Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>

35 files changed, 114 insertions, 114 deletions

diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index a4ceb29c358e..e7e72b8d8cde 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -2064,7 +2064,7 @@ void comedi_event(struct comedi_device *dev, struct comedi_subdevice *s)
 			     COMEDI_CB_OVERFLOW)) {
 		runflags_mask |= SRF_RUNNING;
 	}
-	/* remember if an error event has occured, so an error
+	/* remember if an error event has occurred, so an error
 	 * can be returned the next time the user does a read() */
 	if (s->async->events & (COMEDI_CB_ERROR | COMEDI_CB_OVERFLOW)) {
 		runflags_mask |= SRF_ERROR;
diff --git a/drivers/staging/comedi/drivers/addi-data/APCI1710_Chrono.c b/drivers/staging/comedi/drivers/addi-data/APCI1710_Chrono.c
index 644bda44556e..482a412aa652 100644
--- a/drivers/staging/comedi/drivers/addi-data/APCI1710_Chrono.c
+++ b/drivers/staging/comedi/drivers/addi-data/APCI1710_Chrono.c
@@ -124,9 +124,9 @@ You should also find the complete GPL in the COPYING file accompanying this sour
 |                     -5: The selected PCI input clock is wrong              |
 |                     -6: Timing unity selection is wrong                    |
 |                     -7: Base timing selection is wrong                     |
-|                     -8: You can not used the 40MHz clock selection wich    |
+|                     -8: You can not used the 40MHz clock selection with    |
 |                         this board                                         |
-|                     -9: You can not used the 40MHz clock selection wich    |
+|                     -9: You can not used the 40MHz clock selection with    |
 |                         this CHRONOS version                               |
 +----------------------------------------------------------------------------+
 */
@@ -721,10 +721,10 @@ int i_APCI1710_InsnConfigInitChrono(struct comedi_device *dev, struct comedi_sub
 								}
 							} else {
 			     /**************************************************************/
-								/* You can not used the 40MHz clock selection wich this board */
+								/* You can not use the 40MHz clock selection with this board */
 			     /**************************************************************/
 
-								DPRINTK("You can not used the 40MHz clock selection wich this board\n");
+								DPRINTK("You can not used the 40MHz clock selection with this board\n");
 								i_ReturnValue =
 									-8;
 							}
diff --git a/drivers/staging/comedi/drivers/addi-data/addi_amcc_S5920.c b/drivers/staging/comedi/drivers/addi-data/addi_amcc_S5920.c
index 90e71e12784a..b973095146f9 100644
--- a/drivers/staging/comedi/drivers/addi-data/addi_amcc_S5920.c
+++ b/drivers/staging/comedi/drivers/addi-data/addi_amcc_S5920.c
@@ -59,7 +59,7 @@ You should also find the complete GPL in the COPYING file accompanying this sour
 /*+----------------------------------------------------------------------------+*/
 /*| Input Parameters  : int    i_NbOfWordsToRead : Nbr. of word to read        |*/
 /*|                     unsigned int dw_PCIBoardEepromAddress : Address of the eeprom |*/
-/*|                     unsigned short   w_EepromStartAddress : Eeprom strat address     |*/
+/*|                     unsigned short   w_EepromStartAddress : Eeprom start address     |*/
 /*+----------------------------------------------------------------------------+*/
 /*| Output Parameters : unsigned short * pw_DataRead : Read data                          |*/
 /*+----------------------------------------------------------------------------+*/
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci2032.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci2032.c
index 9dd857df93c8..002297dfe33f 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci2032.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci2032.c
@@ -498,7 +498,7 @@ void v_APCI2032_Interrupt(int irq, void *d)
 	struct comedi_device *dev = d;
 	unsigned int ui_DO;
 
-	ui_DO = inl(devpriv->iobase + APCI2032_DIGITAL_OP_IRQ) & 0x1;	/* Check if VCC OR CC interrupt has occured. */
+	ui_DO = inl(devpriv->iobase + APCI2032_DIGITAL_OP_IRQ) & 0x1;	/* Check if VCC OR CC interrupt has occurred. */
 
 	if (ui_DO == 0) {
 		printk("\nInterrupt from unKnown source\n");
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
index a813fdbbd96e..fc61214151b7 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
@@ -148,7 +148,7 @@ int i_APCI3120_InsnReadAnalogInput(struct comedi_device *dev, struct comedi_subd
 	unsigned short us_ConvertTiming, us_TmpValue, i;
 	unsigned char b_Tmp;
 
-	/*  fix convertion time to 10 us */
+	/*  fix conversion time to 10 us */
 	if (!devpriv->ui_EocEosConversionTime) {
 		printk("No timer0 Value using 10 us\n");
 		us_ConvertTiming = 10;
@@ -251,7 +251,7 @@ int i_APCI3120_InsnReadAnalogInput(struct comedi_device *dev, struct comedi_subd
 				APCI3120_SELECT_TIMER_0_WORD;
 			outb(b_Tmp, devpriv->iobase + APCI3120_TIMER_CRT0);
 
-			/* Set the convertion time */
+			/* Set the conversion time */
 			outw(us_ConvertTiming,
 				devpriv->iobase + APCI3120_TIMER_VALUE);
 
@@ -311,7 +311,7 @@ int i_APCI3120_InsnReadAnalogInput(struct comedi_device *dev, struct comedi_subd
 				APCI3120_SELECT_TIMER_0_WORD;
 			outb(b_Tmp, devpriv->iobase + APCI3120_TIMER_CRT0);
 
-			/* Set the convertion time */
+			/* Set the conversion time */
 			outw(us_ConvertTiming,
 				devpriv->iobase + APCI3120_TIMER_VALUE);
 
@@ -354,9 +354,9 @@ int i_APCI3120_InsnReadAnalogInput(struct comedi_device *dev, struct comedi_subd
 			/* Start conversion */
 			outw(0, devpriv->iobase + APCI3120_START_CONVERSION);
 
-			/* Waiting of end of convertion if interrupt is not installed */
+			/* Waiting of end of conversion if interrupt is not installed */
 			if (devpriv->b_EocEosInterrupt == APCI3120_DISABLE) {
-				/* Waiting the end of convertion */
+				/* Waiting the end of conversion */
 				do {
 					us_TmpValue =
 						inw(devpriv->iobase +
@@ -854,7 +854,7 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device *dev,
 				b_DigitalOutputRegister) & 0xF0) |
 			APCI3120_SELECT_TIMER_0_WORD;
 		outb(b_Tmp, dev->iobase + APCI3120_TIMER_CRT0);
-		/* Set the convertion time */
+		/* Set the conversion time */
 		outw(((unsigned short) ui_TimerValue0),
 			dev->iobase + APCI3120_TIMER_VALUE);
 		break;
@@ -872,7 +872,7 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device *dev,
 				b_DigitalOutputRegister) & 0xF0) |
 			APCI3120_SELECT_TIMER_1_WORD;
 		outb(b_Tmp, dev->iobase + APCI3120_TIMER_CRT0);
-		/* Set the convertion time */
+		/* Set the conversion time */
 		outw(((unsigned short) ui_TimerValue1),
 			dev->iobase + APCI3120_TIMER_VALUE);
 
@@ -889,7 +889,7 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device *dev,
 			APCI3120_SELECT_TIMER_0_WORD;
 		outb(b_Tmp, dev->iobase + APCI3120_TIMER_CRT0);
 
-		/* Set the convertion time */
+		/* Set the conversion time */
 		outw(((unsigned short) ui_TimerValue0),
 			dev->iobase + APCI3120_TIMER_VALUE);
 		break;
@@ -1104,7 +1104,7 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device *dev,
 
 /*
  * 4
- * amount of bytes to be transfered set transfer count used ADDON
+ * amount of bytes to be transferred set transfer count used ADDON
  * MWTC register commented testing
  * outl(devpriv->ui_DmaBufferUsesize[0],
  * devpriv->i_IobaseAddon+AMCC_OP_REG_AMWTC);
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.h b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.h
index b3c81979f14d..50eb0a0a0a05 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.h
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.h
@@ -169,7 +169,7 @@ struct str_AnalogReadInformation {
 
 	unsigned char b_Type;		/* EOC or EOS */
 	unsigned char b_InterruptFlag;	/* Interrupt use or not                    */
-	unsigned int ui_ConvertTiming;	/* Selection of the convertion time        */
+	unsigned int ui_ConvertTiming;	/* Selection of the conversion time        */
 	unsigned char b_NbrOfChannel;	/* Number of channel to read               */
 	unsigned int ui_ChannelList[MAX_ANALOGINPUT_CHANNELS];	/* Number of the channel to be read        */
 	unsigned int ui_RangeList[MAX_ANALOGINPUT_CHANNELS];	/* Gain of each channel                    */
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3200.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3200.c
index a93e2349ad3a..c75a1a1fd775 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3200.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3200.c
@@ -103,7 +103,7 @@ struct str_BoardInfos s_BoardInfos[100];	/*  100 will be the max number of board
 /*+----------------------------------------------------------------------------+*/
 /*| Input Parameters  : int    i_NbOfWordsToRead : Nbr. of word to read        |*/
 /*|                     unsigned int dw_PCIBoardEepromAddress : Address of the eeprom |*/
-/*|                     unsigned short   w_EepromStartAddress : Eeprom strat address     |*/
+/*|                     unsigned short   w_EepromStartAddress : Eeprom start address     |*/
 /*+----------------------------------------------------------------------------+*/
 /*| Output Parameters : unsigned short * pw_DataRead : Read data                          |*/
 /*+----------------------------------------------------------------------------+*/
@@ -849,7 +849,7 @@ int i_APCI3200_ReadDigitalOutput(struct comedi_device *dev, struct comedi_subdev
   |                                             0:Single Read
   |                                             1:Read more channel
   2:Single scan
-  |                                             3:Continous Scan
+  |                                             3:Continuous Scan
   data[13]          :Number of channels to read
   |                          data[14]          :RTD connection type
   :0:RTD not used
diff --git a/drivers/staging/comedi/drivers/adl_pci9118.c b/drivers/staging/comedi/drivers/adl_pci9118.c
index 766103c882ad..632d5d0721cd 100644
--- a/drivers/staging/comedi/drivers/adl_pci9118.c
+++ b/drivers/staging/comedi/drivers/adl_pci9118.c
@@ -23,7 +23,7 @@ For AI:
 - If cmd->scan_begin_src=TRIG_EXT then trigger input is TGIN (pin 46).
 - If cmd->convert_src=TRIG_EXT then trigger input is EXTTRG (pin 44).
 - If cmd->start_src/stop_src=TRIG_EXT then trigger input is TGIN (pin 46).
-- It is not neccessary to have cmd.scan_end_arg=cmd.chanlist_len but
+- It is not necessary to have cmd.scan_end_arg=cmd.chanlist_len but
   cmd.scan_end_arg modulo cmd.chanlist_len must by 0.
 - If return value of cmdtest is 5 then you've bad channel list
   (it isn't possible mixture S.E. and DIFF inputs or bipolar and unipolar
@@ -823,7 +823,7 @@ static void interrupt_pci9118_ai_dma(struct comedi_device *dev,
 		move_block_from_dma(dev, s,
 				    devpriv->dmabuf_virt[devpriv->dma_actbuf],
 				    samplesinbuf);
-		m = m - sampls;		/* m= how many samples was transfered */
+		m = m - sampls;		/* m= how many samples was transferred */
 	}
 /* DPRINTK("YYY\n"); */
 
@@ -1297,7 +1297,7 @@ static int Compute_and_setup_dma(struct comedi_device *dev)
 	DPRINTK("3 dmalen0=%d dmalen1=%d\n", dmalen0, dmalen1);
 	/* transfer without TRIG_WAKE_EOS */
 	if (!(devpriv->ai_flags & TRIG_WAKE_EOS)) {
-		/* if it's possible then allign DMA buffers to length of scan */
+		/* if it's possible then align DMA buffers to length of scan */
 		i = dmalen0;
 		dmalen0 =
 		    (dmalen0 / (devpriv->ai_n_realscanlen << 1)) *
diff --git a/drivers/staging/comedi/drivers/adq12b.c b/drivers/staging/comedi/drivers/adq12b.c
index 4b470000b69c..5361f318b010 100644
--- a/drivers/staging/comedi/drivers/adq12b.c
+++ b/drivers/staging/comedi/drivers/adq12b.c
@@ -65,7 +65,7 @@ If you do not specify any options, they will default to
    written by jeremy theler <thelerg@ib.cnea.gov.ar>
 
    instituto balseiro
-   comision nacional de energia atomica
+   commission nacional de energia atomica
    universidad nacional de cuyo
    argentina
 
@@ -342,7 +342,7 @@ static int adq12b_ai_rinsn(struct comedi_device *dev,
 	/* convert n samples */
 	for (n = 0; n < insn->n; n++) {
 
-		/* wait for end of convertion */
+		/* wait for end of conversion */
 		i = 0;
 		do {
 			/* udelay(1); */
diff --git a/drivers/staging/comedi/drivers/adv_pci1710.c b/drivers/staging/comedi/drivers/adv_pci1710.c
index 466e69f94ef2..da2b75b15d4e 100644
--- a/drivers/staging/comedi/drivers/adv_pci1710.c
+++ b/drivers/staging/comedi/drivers/adv_pci1710.c
@@ -98,7 +98,7 @@ Configuration options:
 #define	Status_FE	0x0100	/* 1=FIFO is empty */
 #define Status_FH	0x0200	/* 1=FIFO is half full */
 #define Status_FF	0x0400	/* 1=FIFO is full, fatal error */
-#define Status_IRQ	0x0800	/* 1=IRQ occured */
+#define Status_IRQ	0x0800	/* 1=IRQ occurred */
 /* bits from control register (PCI171x_CONTROL) */
 #define Control_CNT0	0x0040	/* 1=CNT0 have external source,
 				 * 0=have internal 100kHz source */
@@ -1161,7 +1161,7 @@ static int check_channel_list(struct comedi_device *dev,
 	}
 
 	if (n_chan > 1) {
-		chansegment[0] = chanlist[0];	/*  first channel is everytime ok */
+		chansegment[0] = chanlist[0];	/*  first channel is every time ok */
 		for (i = 1, seglen = 1; i < n_chan; i++, seglen++) {	/*  build part of chanlist */
 			/*  printk("%d. %d %d\n",i,CR_CHAN(chanlist[i]),CR_RANGE(chanlist[i])); */
 			if (chanlist[0] == chanlist[i])
@@ -1176,9 +1176,9 @@ static int check_channel_list(struct comedi_device *dev,
 			    (CR_CHAN(chansegment[i - 1]) + 1) % s->n_chan;
 			if (CR_AREF(chansegment[i - 1]) == AREF_DIFF)
 				nowmustbechan = (nowmustbechan + 1) % s->n_chan;
-			if (nowmustbechan != CR_CHAN(chanlist[i])) {	/*  channel list isn't continous :-( */
+			if (nowmustbechan != CR_CHAN(chanlist[i])) {	/*  channel list isn't continuous :-( */
 				printk
-				    ("channel list must be continous! chanlist[%i]=%d but must be %d or %d!\n",
+				    ("channel list must be continuous! chanlist[%i]=%d but must be %d or %d!\n",
 				     i, CR_CHAN(chanlist[i]), nowmustbechan,
 				     CR_CHAN(chanlist[0]));
 				return 0;
diff --git a/drivers/staging/comedi/drivers/cb_pcidas.c b/drivers/staging/comedi/drivers/cb_pcidas.c
index 0941643b3869..61968a505f24 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas.c
@@ -115,7 +115,7 @@ analog triggering on 1602 series
 #define   INT_MASK 0x3		/*  mask of interrupt select bits */
 #define   INTE 0x4		/*  interrupt enable */
 #define   DAHFIE 0x8		/*  dac half full interrupt enable */
-#define   EOAIE	0x10		/*  end of aquisition interrupt enable */
+#define   EOAIE	0x10		/*  end of acquisition interrupt enable */
 #define   DAHFI	0x20		/*  dac half full read status / write interrupt clear */
 #define   EOAI 0x40		/*  read end of acq. interrupt status / write clear */
 #define   INT 0x80		/*  read interrupt status / write clear */
@@ -440,7 +440,7 @@ struct cb_pcidas_private {
 	unsigned int divisor1;
 	unsigned int divisor2;
 	volatile unsigned int count;	/*  number of analog input samples remaining */
-	volatile unsigned int adc_fifo_bits;	/*  bits to write to interupt/adcfifo register */
+	volatile unsigned int adc_fifo_bits;	/*  bits to write to interrupt/adcfifo register */
 	volatile unsigned int s5933_intcsr_bits;	/*  bits to write to amcc s5933 interrupt control/status register */
 	volatile unsigned int ao_control_bits;	/*  bits to write to ao control and status register */
 	short ai_buffer[AI_BUFFER_SIZE];
@@ -1653,7 +1653,7 @@ static irqreturn_t cb_pcidas_interrupt(int irq, void *d)
 		spin_unlock_irqrestore(&dev->spinlock, flags);
 	} else if (status & EOAI) {
 		comedi_error(dev,
-			     "bug! encountered end of aquisition interrupt?");
+			     "bug! encountered end of acquisition interrupt?");
 		/*  clear EOA interrupt latch */
 		spin_lock_irqsave(&dev->spinlock, flags);
 		outw(devpriv->adc_fifo_bits | EOAI,
diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c
index 2583e16cd02a..1e324198996c 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas64.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas64.c
@@ -104,7 +104,7 @@ TODO:
 #endif
 
 #define TIMER_BASE 25		/*  40MHz master clock */
-#define PRESCALED_TIMER_BASE	10000	/*  100kHz 'prescaled' clock for slow aquisition, maybe I'll support this someday */
+#define PRESCALED_TIMER_BASE	10000	/*  100kHz 'prescaled' clock for slow acquisition, maybe I'll support this someday */
 #define DMA_BUFFER_SIZE 0x1000
 
 #define PCI_VENDOR_ID_COMPUTERBOARDS	0x1307
@@ -136,7 +136,7 @@ enum write_only_registers {
 	ADC_DELAY_INTERVAL_UPPER_REG = 0x1c,	/*  upper 8 bits of delay interval counter */
 	ADC_COUNT_LOWER_REG = 0x1e,	/*  lower 16 bits of hardware conversion/scan counter */
 	ADC_COUNT_UPPER_REG = 0x20,	/*  upper 8 bits of hardware conversion/scan counter */
-	ADC_START_REG = 0x22,	/*  software trigger to start aquisition */
+	ADC_START_REG = 0x22,	/*  software trigger to start acquisition */
 	ADC_CONVERT_REG = 0x24,	/*  initiates single conversion */
 	ADC_QUEUE_CLEAR_REG = 0x26,	/*  clears adc queue */
 	ADC_QUEUE_LOAD_REG = 0x28,	/*  loads adc queue */
@@ -199,7 +199,7 @@ enum intr_enable_contents {
 	ADC_INTR_EOSCAN_BITS = 0x2,	/*  interrupt end of scan */
 	ADC_INTR_EOSEQ_BITS = 0x3,	/*  interrupt end of sequence (probably wont use this it's pretty fancy) */
 	EN_ADC_INTR_SRC_BIT = 0x4,	/*  enable adc interrupt source */
-	EN_ADC_DONE_INTR_BIT = 0x8,	/*  enable adc aquisition done interrupt */
+	EN_ADC_DONE_INTR_BIT = 0x8,	/*  enable adc acquisition done interrupt */
 	DAC_INTR_SRC_MASK = 0x30,
 	DAC_INTR_QEMPTY_BITS = 0x0,
 	DAC_INTR_HIGH_CHAN_BITS = 0x10,
@@ -2867,7 +2867,7 @@ static int ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 
 	spin_unlock_irqrestore(&dev->spinlock, flags);
 
-	/*  start aquisition */
+	/*  start acquisition */
 	if (cmd->start_src == TRIG_NOW) {
 		writew(0, priv(dev)->main_iobase + ADC_START_REG);
 		DEBUG_PRINT("soft trig\n");
@@ -2942,7 +2942,7 @@ static void pio_drain_ai_fifo_16(struct comedi_device *dev)
 /* Read from 32 bit wide ai fifo of 4020 - deal with insane grey coding of pointers.
  * The pci-4020 hardware only supports
  * dma transfers (it only supports the use of pio for draining the last remaining
- * points from the fifo when a data aquisition operation has completed).
+ * points from the fifo when a data acquisition operation has completed).
  */
 static void pio_drain_ai_fifo_32(struct comedi_device *dev)
 {
@@ -3046,7 +3046,7 @@ static void handle_ai_interrupt(struct comedi_device *dev,
 		comedi_error(dev, "fifo overrun");
 		async->events |= COMEDI_CB_EOA | COMEDI_CB_ERROR;
 	}
-	/*  spin lock makes sure noone else changes plx dma control reg */
+	/*  spin lock makes sure no one else changes plx dma control reg */
 	spin_lock_irqsave(&dev->spinlock, flags);
 	dma1_status = readb(priv(dev)->plx9080_iobase + PLX_DMA1_CS_REG);
 	if (plx_status & ICS_DMA1_A) {	/*  dma chan 1 interrupt */
@@ -3170,7 +3170,7 @@ static void handle_ao_interrupt(struct comedi_device *dev,
 	async = s->async;
 	cmd = &async->cmd;
 
-	/*  spin lock makes sure noone else changes plx dma control reg */
+	/*  spin lock makes sure no one else changes plx dma control reg */
 	spin_lock_irqsave(&dev->spinlock, flags);
 	dma0_status = readb(priv(dev)->plx9080_iobase + PLX_DMA0_CS_REG);
 	if (plx_status & ICS_DMA0_A) {	/*  dma chan 0 interrupt */
diff --git a/drivers/staging/comedi/drivers/comedi_test.c b/drivers/staging/comedi/drivers/comedi_test.c
index b220b3055412..a804742b8022 100644
--- a/drivers/staging/comedi/drivers/comedi_test.c
+++ b/drivers/staging/comedi/drivers/comedi_test.c
@@ -81,7 +81,7 @@ static const struct waveform_board waveform_boards[] = {
 /* Data unique to this driver */
 struct waveform_private {
 	struct timer_list timer;
-	struct timeval last;	/* time at which last timer interrupt occured */
+	struct timeval last;	/* time at which last timer interrupt occurred */
 	unsigned int uvolt_amplitude;	/* waveform amplitude in microvolts */
 	unsigned long usec_period;	/* waveform period in microseconds */
 	unsigned long usec_current;	/* current time (modulo waveform period) */
diff --git a/drivers/staging/comedi/drivers/das1800.c b/drivers/staging/comedi/drivers/das1800.c
index 6ea93f9c0b48..60c2b12d6ffb 100644
--- a/drivers/staging/comedi/drivers/das1800.c
+++ b/drivers/staging/comedi/drivers/das1800.c
@@ -1087,7 +1087,7 @@ static void das1800_flush_dma_channel(struct comedi_device *dev,
 	return;
 }
 
-/* flushes remaining data from board when external trigger has stopped aquisition
+/* flushes remaining data from board when external trigger has stopped acquisition
  * and we are using dma transfers */
 static void das1800_flush_dma(struct comedi_device *dev,
 			      struct comedi_subdevice *s)
diff --git a/drivers/staging/comedi/drivers/das800.c b/drivers/staging/comedi/drivers/das800.c
index aecaedc5027e..96d41ad76956 100644
--- a/drivers/staging/comedi/drivers/das800.c
+++ b/drivers/staging/comedi/drivers/das800.c
@@ -391,7 +391,7 @@ static irqreturn_t das800_interrupt(int irq, void *d)
 	spin_lock_irqsave(&dev->spinlock, irq_flags);
 	outb(CONTROL1, dev->iobase + DAS800_GAIN);	/* select base address + 7 to be STATUS2 register */
 	status = inb(dev->iobase + DAS800_STATUS2) & STATUS2_HCEN;
-	/* don't release spinlock yet since we want to make sure noone else disables hardware conversions */
+	/* don't release spinlock yet since we want to make sure no one else disables hardware conversions */
 	if (status == 0) {
 		spin_unlock_irqrestore(&dev->spinlock, irq_flags);
 		return IRQ_HANDLED;
diff --git a/drivers/staging/comedi/drivers/dmm32at.c b/drivers/staging/comedi/drivers/dmm32at.c
index 693728e14bdb..2b4e6e6eb825 100644
--- a/drivers/staging/comedi/drivers/dmm32at.c
+++ b/drivers/staging/comedi/drivers/dmm32at.c
@@ -532,7 +532,7 @@ static int dmm32at_ai_rinsn(struct comedi_device *dev,
 		msb = dmm_inb(dev, DMM32AT_AIMSB);
 
 		/* invert sign bit to make range unsigned, this is an
-		   idiosyncracy of the diamond board, it return
+		   idiosyncrasy of the diamond board, it return
 		   conversions as a signed value, i.e. -32768 to
 		   32767, flipping the bit and interpreting it as
 		   signed gives you a range of 0 to 65535 which is
diff --git a/drivers/staging/comedi/drivers/dt2811.c b/drivers/staging/comedi/drivers/dt2811.c
index a1664caa1d96..0131d5225b52 100644
--- a/drivers/staging/comedi/drivers/dt2811.c
+++ b/drivers/staging/comedi/drivers/dt2811.c
@@ -560,7 +560,7 @@ int dt2811_adtrig(kdev_t minor, comedi_adtrig *adtrig)
 	switch (dev->i_admode) {
 	case COMEDI_MDEMAND:
 		dev->ntrig = adtrig->n - 1;
-		/* not neccessary */
+		/* not necessary */
 		/*printk("dt2811: AD soft trigger\n"); */
 		/*outb(DT2811_CLRERROR|DT2811_INTENB,
 			dev->iobase+DT2811_ADCSR); */
diff --git a/drivers/staging/comedi/drivers/dt9812.c b/drivers/staging/comedi/drivers/dt9812.c
index 06059850dae2..32d9c42e9659 100644
--- a/drivers/staging/comedi/drivers/dt9812.c
+++ b/drivers/staging/comedi/drivers/dt9812.c
@@ -773,7 +773,7 @@ static int dt9812_probe(struct usb_interface *interface,
 			retval = dt9812_read_info(dev, 1, &fw, sizeof(fw));
 			if (retval == 0) {
 				dev_info(&interface->dev,
-					 "usb_reset_configuration succeded "
+					 "usb_reset_configuration succeeded "
 					 "after %d iterations\n", i);
 				break;
 			}
diff --git a/drivers/staging/comedi/drivers/gsc_hpdi.c b/drivers/staging/comedi/drivers/gsc_hpdi.c
index 1661b57ca2ad..bc020dea141b 100644
--- a/drivers/staging/comedi/drivers/gsc_hpdi.c
+++ b/drivers/staging/comedi/drivers/gsc_hpdi.c
@@ -1031,7 +1031,7 @@ static irqreturn_t handle_interrupt(int irq, void *d)
 		writel(hpdi_intr_status,
 		       priv(dev)->hpdi_iobase + INTERRUPT_STATUS_REG);
 	}
-	/*  spin lock makes sure noone else changes plx dma control reg */
+	/*  spin lock makes sure no one else changes plx dma control reg */
 	spin_lock_irqsave(&dev->spinlock, flags);
 	dma0_status = readb(priv(dev)->plx9080_iobase + PLX_DMA0_CS_REG);
 	if (plx_status & ICS_DMA0_A) {	/*  dma chan 0 interrupt */
@@ -1045,7 +1045,7 @@ static irqreturn_t handle_interrupt(int irq, void *d)
 	}
 	spin_unlock_irqrestore(&dev->spinlock, flags);
 
-	/*  spin lock makes sure noone else changes plx dma control reg */
+	/*  spin lock makes sure no one else changes plx dma control reg */
 	spin_lock_irqsave(&dev->spinlock, flags);
 	dma1_status = readb(priv(dev)->plx9080_iobase + PLX_DMA1_CS_REG);
 	if (plx_status & ICS_DMA1_A) {	/*  XXX *//*  dma chan 1 interrupt */
diff --git a/drivers/staging/comedi/drivers/icp_multi.c b/drivers/staging/comedi/drivers/icp_multi.c
index 0bab39b3409b..126550f3c02b 100644
--- a/drivers/staging/comedi/drivers/icp_multi.c
+++ b/drivers/staging/comedi/drivers/icp_multi.c
@@ -715,7 +715,7 @@ Description:
 	is built correctly
 
 Parameters:
-	struct comedi_device *dev	Pointer to current sevice structure
+	struct comedi_device *dev	Pointer to current service structure
 	struct comedi_subdevice *s	Pointer to current subdevice structure
 	unsigned int *chanlist	Pointer to packed channel list
 	unsigned int n_chan	Number of channels to scan
@@ -772,7 +772,7 @@ Description:
 	Status register.
 
 Parameters:
-	struct comedi_device *dev	Pointer to current sevice structure
+	struct comedi_device *dev	Pointer to current service structure
 	struct comedi_subdevice *s	Pointer to current subdevice structure
 	unsigned int *chanlist	Pointer to packed channel list
 	unsigned int n_chan	Number of channels to scan
@@ -848,7 +848,7 @@ Description:
 	This function resets the icp multi device to a 'safe' state
 
 Parameters:
-	struct comedi_device *dev	Pointer to current sevice structure
+	struct comedi_device *dev	Pointer to current service structure
 
 Returns:int	0 = success
 
diff --git a/drivers/staging/comedi/drivers/me4000.c b/drivers/staging/comedi/drivers/me4000.c
index 75511bae0191..b692fea0d2b0 100644
--- a/drivers/staging/comedi/drivers/me4000.c
+++ b/drivers/staging/comedi/drivers/me4000.c
@@ -1810,7 +1810,7 @@ static irqreturn_t me4000_ai_isr(int irq, void *dev_id)
 		       ai_context->irq_status_reg) &
 	    ME4000_IRQ_STATUS_BIT_AI_HF) {
 		ISR_PDEBUG
-		    ("me4000_ai_isr(): Fifo half full interrupt occured\n");
+		    ("me4000_ai_isr(): Fifo half full interrupt occurred\n");
 
 		/* Read status register to find out what happened */
 		tmp = me4000_inl(dev, ai_context->ctrl_reg);
@@ -1903,7 +1903,7 @@ static irqreturn_t me4000_ai_isr(int irq, void *dev_id)
 	if (me4000_inl(dev,
 		       ai_context->irq_status_reg) & ME4000_IRQ_STATUS_BIT_SC) {
 		ISR_PDEBUG
-		    ("me4000_ai_isr(): Sample counter interrupt occured\n");
+		    ("me4000_ai_isr(): Sample counter interrupt occurred\n");
 
 		s->async->events |= COMEDI_CB_BLOCK | COMEDI_CB_EOA;
 
diff --git a/drivers/staging/comedi/drivers/mpc624.c b/drivers/staging/comedi/drivers/mpc624.c
index a89eebd23f65..dd09a6d46e5c 100644
--- a/drivers/staging/comedi/drivers/mpc624.c
+++ b/drivers/staging/comedi/drivers/mpc624.c
@@ -39,8 +39,8 @@ Status: working
 
 Configuration Options:
   [0] - I/O base address
-  [1] - convertion rate
-	Convertion rate  RMS noise  Effective Number Of Bits
+  [1] - conversion rate
+	Conversion rate  RMS noise  Effective Number Of Bits
 	0      3.52kHz        23uV                17
 	1      1.76kHz       3.5uV                20
 	2       880Hz         2uV                21.3
@@ -93,8 +93,8 @@ Configuration Options:
 #define MPC624_DMY_BIT          (1<<30)
 #define MPC624_SGN_BIT          (1<<29)
 
-/* Convertion speeds */
-/* OSR4 OSR3 OSR2 OSR1 OSR0  Convertion rate  RMS noise  ENOB^
+/* Conversion speeds */
+/* OSR4 OSR3 OSR2 OSR1 OSR0  Conversion rate  RMS noise  ENOB^
  *  X    0    0    0    1        3.52kHz        23uV      17
  *  X    0    0    1    0        1.76kHz       3.5uV      20
  *  X    0    0    1    1         880Hz         2uV      21.3
@@ -227,7 +227,7 @@ static int mpc624_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		break;
 	default:
 		printk
-		    (KERN_ERR "illegal convertion rate setting!"
+		    (KERN_ERR "illegal conversion rate setting!"
 			" Valid numbers are 0..9. Using 9 => 6.875 Hz, ");
 		devpriv->ulConvertionRate = MPC624_SPEED_3_52_kHz;
 	}
@@ -296,7 +296,7 @@ static int mpc624_ai_rinsn(struct comedi_device *dev,
 	}
 
 	for (n = 0; n < insn->n; n++) {
-		/*  Trigger the convertion */
+		/*  Trigger the conversion */
 		outb(MPC624_ADSCK, dev->iobase + MPC624_ADC);
 		udelay(1);
 		outb(MPC624_ADCS | MPC624_ADSCK, dev->iobase + MPC624_ADC);
@@ -304,7 +304,7 @@ static int mpc624_ai_rinsn(struct comedi_device *dev,
 		outb(0, dev->iobase + MPC624_ADC);
 		udelay(1);
 
-		/*  Wait for the convertion to end */
+		/*  Wait for the conversion to end */
 		for (i = 0; i < TIMEOUT; i++) {
 			ucPort = inb(dev->iobase + MPC624_ADC);
 			if (ucPort & MPC624_ADBUSY)
diff --git a/drivers/staging/comedi/drivers/ni_at_a2150.c b/drivers/staging/comedi/drivers/ni_at_a2150.c
index 4d0053ea2465..c192b71ec04f 100644
--- a/drivers/staging/comedi/drivers/ni_at_a2150.c
+++ b/drivers/staging/comedi/drivers/ni_at_a2150.c
@@ -104,10 +104,10 @@ TRIG_WAKE_EOS
 #define STATUS_REG		0x12	/*  read only */
 #define   FNE_BIT		0x1	/*  fifo not empty */
 #define   OVFL_BIT		0x8	/*  fifo overflow */
-#define   EDAQ_BIT		0x10	/*  end of aquisition interrupt */
+#define   EDAQ_BIT		0x10	/*  end of acquisition interrupt */
 #define   DCAL_BIT		0x20	/*  offset calibration in progress */
-#define   INTR_BIT		0x40	/*  interrupt has occured */
-#define   DMA_TC_BIT		0x80	/*  dma terminal count interrupt has occured */
+#define   INTR_BIT		0x40	/*  interrupt has occurred */
+#define   DMA_TC_BIT		0x80	/*  dma terminal count interrupt has occurred */
 #define   ID_BITS(x)	(((x) >> 8) & 0x3)
 #define IRQ_DMA_CNTRL_REG		0x12	/*  write only */
 #define   DMA_CHAN_BITS(x)		((x) & 0x7)	/*  sets dma channel */
@@ -434,7 +434,7 @@ static int a2150_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	s->cancel = a2150_cancel;
 
 	/* need to do this for software counting of completed conversions, to
-	 * prevent hardware count from stopping aquisition */
+	 * prevent hardware count from stopping acquisition */
 	outw(HW_COUNT_DISABLE, dev->iobase + I8253_MODE_REG);
 
 	/*  set card's irq and dma levels */
@@ -729,7 +729,7 @@ static int a2150_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 	/*  send trigger config bits */
 	outw(trigger_bits, dev->iobase + TRIGGER_REG);
 
-	/*  start aquisition for soft trigger */
+	/*  start acquisition for soft trigger */
 	if (cmd->start_src == TRIG_NOW) {
 		outw(0, dev->iobase + FIFO_START_REG);
 	}
@@ -768,7 +768,7 @@ static int a2150_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
 	/*  setup start triggering */
 	outw(0, dev->iobase + TRIGGER_REG);
 
-	/*  start aquisition for soft trigger */
+	/*  start acquisition for soft trigger */
 	outw(0, dev->iobase + FIFO_START_REG);
 
 	/* there is a 35.6 sample delay for data to get through the antialias filter */
diff --git a/drivers/staging/comedi/drivers/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c
index 241fe525abf0..ab8f37022a3c 100644
--- a/drivers/staging/comedi/drivers/ni_labpc.c
+++ b/drivers/staging/comedi/drivers/ni_labpc.c
@@ -183,11 +183,11 @@ NI manuals:
 #define   OVERRUN_BIT	0x2
 /* fifo overflow */
 #define   OVERFLOW_BIT	0x4
-/* timer interrupt has occured */
+/* timer interrupt has occurred */
 #define   TIMER_BIT	0x8
-/* dma terminal count has occured */
+/* dma terminal count has occurred */
 #define   DMATC_BIT	0x10
-/* external trigger has occured */
+/* external trigger has occurred */
 #define   EXT_TRIG_BIT	0x40
 /* 1200 boards only */
 #define STATUS2_REG	0x1d
@@ -1149,7 +1149,7 @@ static int labpc_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 	range = CR_RANGE(cmd->chanlist[0]);
 	aref = CR_AREF(cmd->chanlist[0]);
 
-	/* make sure board is disabled before setting up aquisition */
+	/* make sure board is disabled before setting up acquisition */
 	spin_lock_irqsave(&dev->spinlock, flags);
 	devpriv->command2_bits &= ~SWTRIG_BIT & ~HWTRIG_BIT & ~PRETRIG_BIT;
 	devpriv->write_byte(devpriv->command2_bits, dev->iobase + COMMAND2_REG);
@@ -1349,7 +1349,7 @@ static int labpc_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 		devpriv->command3_bits &= ~ADC_FNE_INTR_EN_BIT;
 	devpriv->write_byte(devpriv->command3_bits, dev->iobase + COMMAND3_REG);
 
-	/*  startup aquisition */
+	/*  startup acquisition */
 
 	/*  command2 reg */
 	/*  use 2 cascaded counters for pacing */
@@ -1571,8 +1571,8 @@ static void handle_isa_dma(struct comedi_device *dev)
 	devpriv->write_byte(0x1, dev->iobase + DMATC_CLEAR_REG);
 }
 
-/* makes sure all data acquired by board is transfered to comedi (used
- * when aquisition is terminated by stop_src == TRIG_EXT). */
+/* makes sure all data acquired by board is transferred to comedi (used
+ * when acquisition is terminated by stop_src == TRIG_EXT). */
 static void labpc_drain_dregs(struct comedi_device *dev)
 {
 	if (devpriv->current_transfer == isa_dma_transfer)
diff --git a/drivers/staging/comedi/drivers/ni_pcidio.c b/drivers/staging/comedi/drivers/ni_pcidio.c
index 005d2fe86ee4..8dd3a01d48dd 100644
--- a/drivers/staging/comedi/drivers/ni_pcidio.c
+++ b/drivers/staging/comedi/drivers/ni_pcidio.c
@@ -821,7 +821,7 @@ static int ni_pcidio_cmdtest(struct comedi_device *dev,
 			cmd->scan_begin_arg = MAX_SPEED;
 			err++;
 		}
-		/* no minumum speed */
+		/* no minimum speed */
 	} else {
 		/* TRIG_EXT */
 		/* should be level/edge, hi/lo specification here */
diff --git a/drivers/staging/comedi/drivers/pcl812.c b/drivers/staging/comedi/drivers/pcl812.c
index c6dce4a1425e..09ff4723b225 100644
--- a/drivers/staging/comedi/drivers/pcl812.c
+++ b/drivers/staging/comedi/drivers/pcl812.c
@@ -34,7 +34,7 @@
  *	       and I cann't test all features.)
  *
  * This driver supports insn and cmd interfaces. Some boards support only insn
- * becouse their hardware don't allow more (PCL-813/B, ACL-8113, ISO-813).
+ * because their hardware don't allow more (PCL-813/B, ACL-8113, ISO-813).
  * Data transfer over DMA is supported only when you measure only one
  * channel, this is too hardware limitation of these boards.
  *
diff --git a/drivers/staging/comedi/drivers/pcl816.c b/drivers/staging/comedi/drivers/pcl816.c
index ef3cc4f3be6e..8f3fc6ee088b 100644
--- a/drivers/staging/comedi/drivers/pcl816.c
+++ b/drivers/staging/comedi/drivers/pcl816.c
@@ -954,7 +954,7 @@ check_channel_list(struct comedi_device *dev,
 	}
 
 	if (chanlen > 1) {
-		/*  first channel is everytime ok */
+		/*  first channel is every time ok */
 		chansegment[0] = chanlist[0];
 		for (i = 1, seglen = 1; i < chanlen; i++, seglen++) {
 			/*  build part of chanlist */
@@ -968,10 +968,10 @@ check_channel_list(struct comedi_device *dev,
 			nowmustbechan =
 			    (CR_CHAN(chansegment[i - 1]) + 1) % chanlen;
 			if (nowmustbechan != CR_CHAN(chanlist[i])) {
-				/*  channel list isn't continous :-( */
+				/*  channel list isn't continuous :-( */
 				printk(KERN_WARNING
 				       "comedi%d: pcl816: channel list must "
-				       "be continous! chanlist[%i]=%d but "
+				       "be continuous! chanlist[%i]=%d but "
 				       "must be %d or %d!\n", dev->minor,
 				       i, CR_CHAN(chanlist[i]), nowmustbechan,
 				       CR_CHAN(chanlist[0]));
diff --git a/drivers/staging/comedi/drivers/pcl818.c b/drivers/staging/comedi/drivers/pcl818.c
index f58d75be7295..e3eea09ae1fb 100644
--- a/drivers/staging/comedi/drivers/pcl818.c
+++ b/drivers/staging/comedi/drivers/pcl818.c
@@ -1231,7 +1231,7 @@ static int check_channel_list(struct comedi_device *dev,
 	}
 
 	if (n_chan > 1) {
-		/*  first channel is everytime ok */
+		/*  first channel is every time ok */
 		chansegment[0] = chanlist[0];
 		/*  build part of chanlist */
 		for (i = 1, seglen = 1; i < n_chan; i++, seglen++) {
@@ -1245,9 +1245,9 @@ static int check_channel_list(struct comedi_device *dev,
 				break;
 			nowmustbechan =
 			    (CR_CHAN(chansegment[i - 1]) + 1) % s->n_chan;
-			if (nowmustbechan != CR_CHAN(chanlist[i])) {	/*  channel list isn't continous :-( */
+			if (nowmustbechan != CR_CHAN(chanlist[i])) {	/*  channel list isn't continuous :-( */
 				printk
-				    ("comedi%d: pcl818: channel list must be continous! chanlist[%i]=%d but must be %d or %d!\n",
+				    ("comedi%d: pcl818: channel list must be continuous! chanlist[%i]=%d but must be %d or %d!\n",
 				     dev->minor, i, CR_CHAN(chanlist[i]),
 				     nowmustbechan, CR_CHAN(chanlist[0]));
 				return 0;
diff --git a/drivers/staging/comedi/drivers/pcmmio.c b/drivers/staging/comedi/drivers/pcmmio.c
index 5c832d7ed45d..f2e88e57d558 100644
--- a/drivers/staging/comedi/drivers/pcmmio.c
+++ b/drivers/staging/comedi/drivers/pcmmio.c
@@ -733,7 +733,7 @@ static int pcmmio_dio_insn_config(struct comedi_device *dev,
 		break;
 
 	case INSN_CONFIG_DIO_QUERY:
-		/* retreive from shadow register */
+		/* retrieve from shadow register */
 		data[1] =
 		    (s->io_bits & (1 << chan)) ? COMEDI_OUTPUT : COMEDI_INPUT;
 		return insn->n;
@@ -1279,7 +1279,7 @@ static int wait_dac_ready(unsigned long iobase)
 	   "no busy waiting" policy. The fact is that the hardware is
 	   normally so fast that we usually only need one time through the loop
 	   anyway. The longer timeout is for rare occasions and for detecting
-	   non-existant hardware.  */
+	   non-existent hardware.  */
 
 	while (retry--) {
 		if (inb(iobase + 3) & 0x80)
diff --git a/drivers/staging/comedi/drivers/pcmuio.c b/drivers/staging/comedi/drivers/pcmuio.c
index 7a9287433b2e..b2c2c8971a32 100644
--- a/drivers/staging/comedi/drivers/pcmuio.c
+++ b/drivers/staging/comedi/drivers/pcmuio.c
@@ -605,7 +605,7 @@ static int pcmuio_dio_insn_config(struct comedi_device *dev,
 		break;
 
 	case INSN_CONFIG_DIO_QUERY:
-		/* retreive from shadow register */
+		/* retrieve from shadow register */
 		data[1] =
 		    (s->io_bits & (1 << chan)) ? COMEDI_OUTPUT : COMEDI_INPUT;
 		return insn->n;
diff --git a/drivers/staging/comedi/drivers/quatech_daqp_cs.c b/drivers/staging/comedi/drivers/quatech_daqp_cs.c
index ebba9bb47777..82942e5728a5 100644
--- a/drivers/staging/comedi/drivers/quatech_daqp_cs.c
+++ b/drivers/staging/comedi/drivers/quatech_daqp_cs.c
@@ -390,7 +390,7 @@ static int daqp_ai_insn_read(struct comedi_device *dev,
 
 	outb(v, dev->iobase + DAQP_CONTROL);
 
-	/* Reset any pending interrupts (my card has a tendancy to require
+	/* Reset any pending interrupts (my card has a tendency to require
 	 * require multiple reads on the status register to achieve this)
 	 */
 
@@ -752,7 +752,7 @@ static int daqp_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 
 	outb(v, dev->iobase + DAQP_CONTROL);
 
-	/* Reset any pending interrupts (my card has a tendancy to require
+	/* Reset any pending interrupts (my card has a tendency to require
 	 * require multiple reads on the status register to achieve this)
 	 */
 	counter = 100;
diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c
index 357858d27441..7f09ed755fe6 100644
--- a/drivers/staging/comedi/drivers/rtd520.c
+++ b/drivers/staging/comedi/drivers/rtd520.c
@@ -75,7 +75,7 @@ Configuration options:
     das1800, since they have the best documented code.  Driver
     cb_pcidas64.c uses the same DMA controller.
 
-    As far as I can tell, the About interrupt doesnt work if Sample is
+    As far as I can tell, the About interrupt doesn't work if Sample is
     also enabled.  It turns out that About really isn't needed, since
     we always count down samples read.
 
@@ -370,7 +370,7 @@ struct rtdPrivate {
 	/* timer gate (when enabled) */
 	u8 utcGate[4];		/* 1 extra allows simple range check */
 
-	/* shadow registers affect other registers, but cant be read back */
+	/* shadow registers affect other registers, but can't be read back */
 	/* The macros below update these on writes */
 	u16 intMask;		/* interrupt mask */
 	u16 intClearMask;	/* interrupt clear mask */
@@ -485,7 +485,7 @@ struct rtdPrivate {
 #define RtdAdcFifoGet(dev) \
 	readw(devpriv->las1+LAS1_ADC_FIFO)
 
-/* Read two ADC data values (DOESNT WORK) */
+/* Read two ADC data values (DOESN'T WORK) */
 #define RtdAdcFifoGet2(dev) \
 	readl(devpriv->las1+LAS1_ADC_FIFO)
 
@@ -857,7 +857,7 @@ static int rtd_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 			DPRINTK("rtd520: PCI latency = %d\n", pci_latency);
 		}
 
-		/* Undocumented EPLD version (doesnt match RTD driver results) */
+		/* Undocumented EPLD version (doesn't match RTD driver results) */
 		/*DPRINTK ("rtd520: Reading epld from %p\n",
 		   devpriv->las0+0);
 		   epld_version = readl (devpriv->las0+0);
@@ -1291,7 +1291,7 @@ static int rtd520_probe_fifo_depth(struct comedi_device *dev)
 /*
   "instructions" read/write data in "one-shot" or "software-triggered"
   mode (simplest case).
-  This doesnt use interrupts.
+  This doesn't use interrupts.
 
   Note, we don't do any settling delays.  Use a instruction list to
   select, delay, then read.
@@ -2120,7 +2120,7 @@ static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 }
 
 /*
-  Stop a running data aquisition.
+  Stop a running data acquisition.
 */
 static int rtd_ai_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
 {
diff --git a/drivers/staging/comedi/drivers/s626.c b/drivers/staging/comedi/drivers/s626.c
index d5ba3ab357a3..23fc64b9988e 100644
--- a/drivers/staging/comedi/drivers/s626.c
+++ b/drivers/staging/comedi/drivers/s626.c
@@ -139,7 +139,7 @@ struct s626_private {
 	int got_regions;
 	short allocatedBuf;
 	uint8_t ai_cmd_running;	/*  ai_cmd is running */
-	uint8_t ai_continous;	/*  continous aquisition */
+	uint8_t ai_continous;	/*  continous acquisition */
 	int ai_sample_count;	/*  number of samples to acquire */
 	unsigned int ai_sample_timer;
 	/*  time between samples in  units of the timer */
@@ -1048,7 +1048,7 @@ static irqreturn_t s626_irq_handler(int irq, void *d)
 	uint8_t group;
 	uint16_t irqbit;
 
-	DEBUG("s626_irq_handler: interrupt request recieved!!!\n");
+	DEBUG("s626_irq_handler: interrupt request received!!!\n");
 
 	if (dev->attached == 0)
 		return IRQ_NONE;
@@ -1165,14 +1165,14 @@ static irqreturn_t s626_irq_handler(int irq, void *d)
 							(16 * group)))
 					    == 1 && cmd->start_src == TRIG_EXT) {
 						DEBUG
-						    ("s626_irq_handler: Edge capture interrupt recieved from channel %d\n",
+						    ("s626_irq_handler: Edge capture interrupt received from channel %d\n",
 						     cmd->start_arg);
 
 						/*  Start executing the RPS program. */
 						MC_ENABLE(P_MC1, MC1_ERPS1);
 
 						DEBUG
-						    ("s626_irq_handler: aquisition start triggered!!!\n");
+						    ("s626_irq_handler: acquisition start triggered!!!\n");
 
 						if (cmd->scan_begin_src ==
 						    TRIG_EXT) {
@@ -1194,7 +1194,7 @@ static irqreturn_t s626_irq_handler(int irq, void *d)
 					    && cmd->scan_begin_src ==
 					    TRIG_EXT) {
 						DEBUG
-						    ("s626_irq_handler: Edge capture interrupt recieved from channel %d\n",
+						    ("s626_irq_handler: Edge capture interrupt received from channel %d\n",
 						     cmd->scan_begin_arg);
 
 						/*  Trigger ADC scan loop start by setting RPS Signal 0. */
@@ -1236,7 +1236,7 @@ static irqreturn_t s626_irq_handler(int irq, void *d)
 					    == 1
 					    && cmd->convert_src == TRIG_EXT) {
 						DEBUG
-						    ("s626_irq_handler: Edge capture interrupt recieved from channel %d\n",
+						    ("s626_irq_handler: Edge capture interrupt received from channel %d\n",
 						     cmd->convert_arg);
 
 						/*  Trigger ADC scan loop start by setting RPS Signal 0. */
@@ -1805,7 +1805,7 @@ static int s626_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 		DEBUG("s626_ai_cmd: NULL command\n");
 		return -EINVAL;
 	} else {
-		DEBUG("s626_ai_cmd: command recieved!!!\n");
+		DEBUG("s626_ai_cmd: command received!!!\n");
 	}
 
 	if (dev->irq == 0) {
@@ -1880,7 +1880,7 @@ static int s626_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 		devpriv->ai_continous = 0;
 		break;
 	case TRIG_NONE:
-		/*  continous aquisition */
+		/*  continous acquisition */
 		devpriv->ai_continous = 1;
 		devpriv->ai_sample_count = 0;
 		break;
@@ -2570,7 +2570,7 @@ static uint32_t I2Chandshake(struct comedi_device *dev, uint32_t val)
 	while ((RR7146(P_I2CCTRL) & (I2C_BUSY | I2C_ERR)) == I2C_BUSY)
 		;
 
-	/*  Return non-zero if I2C error occured. */
+	/*  Return non-zero if I2C error occurred. */
 	return RR7146(P_I2CCTRL) & I2C_ERR;
 
 }
diff --git a/drivers/staging/comedi/drivers/usbdux.c b/drivers/staging/comedi/drivers/usbdux.c
index be93c30e4b15..e543e6c2b1bb 100644
--- a/drivers/staging/comedi/drivers/usbdux.c
+++ b/drivers/staging/comedi/drivers/usbdux.c
@@ -285,7 +285,7 @@ struct usbduxsub {
 	short int ao_cmd_running;
 	/* pwm is running */
 	short int pwm_cmd_running;
-	/* continous aquisition */
+	/* continous acquisition */
 	short int ai_continous;
 	short int ao_continous;
 	/* number of samples to acquire */
@@ -500,7 +500,7 @@ static void usbduxsub_ai_IsocIrq(struct urb *urb)
 
 	/* test, if we transmit only a fixed number of samples */
 	if (!(this_usbduxsub->ai_continous)) {
-		/* not continous, fixed number of samples */
+		/* not continuous, fixed number of samples */
 		this_usbduxsub->ai_sample_count--;
 		/* all samples received? */
 		if (this_usbduxsub->ai_sample_count < 0) {
@@ -653,7 +653,7 @@ static void usbduxsub_ao_IsocIrq(struct urb *urb)
 		/* timer zero */
 		this_usbduxsub->ao_counter = this_usbduxsub->ao_timer;
 
-		/* handle non continous aquisition */
+		/* handle non continous acquisition */
 		if (!(this_usbduxsub->ao_continous)) {
 			/* fixed number of samples */
 			this_usbduxsub->ao_sample_count--;
@@ -957,7 +957,7 @@ static int usbdux_ai_cmdtest(struct comedi_device *dev,
 	if (!cmd->scan_begin_src || tmp != cmd->scan_begin_src)
 		err++;
 
-	/* scanning is continous */
+	/* scanning is continuous */
 	tmp = cmd->convert_src;
 	cmd->convert_src &= TRIG_NOW;
 	if (!cmd->convert_src || tmp != cmd->convert_src)
@@ -1222,7 +1222,7 @@ static int usbdux_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 		up(&this_usbduxsub->sem);
 		return -EBUSY;
 	}
-	/* set current channel of the running aquisition to zero */
+	/* set current channel of the running acquisition to zero */
 	s->async->cur_chan = 0;
 
 	this_usbduxsub->dux_commands[1] = cmd->chanlist_len;
@@ -1284,7 +1284,7 @@ static int usbdux_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 		this_usbduxsub->ai_sample_count = cmd->stop_arg;
 		this_usbduxsub->ai_continous = 0;
 	} else {
-		/* continous aquisition */
+		/* continous acquisition */
 		this_usbduxsub->ai_continous = 1;
 		this_usbduxsub->ai_sample_count = 0;
 	}
@@ -1515,7 +1515,7 @@ static int usbdux_ao_cmdtest(struct comedi_device *dev,
 	/* just now we scan also in the high speed mode every frame */
 	/* this is due to ehci driver limitations */
 	if (0) {		/* (this_usbduxsub->high_speed) */
-		/* start immidiately a new scan */
+		/* start immediately a new scan */
 		/* the sampling rate is set by the coversion rate */
 		cmd->scan_begin_src &= TRIG_FOLLOW;
 	} else {
@@ -1525,7 +1525,7 @@ static int usbdux_ao_cmdtest(struct comedi_device *dev,
 	if (!cmd->scan_begin_src || tmp != cmd->scan_begin_src)
 		err++;
 
-	/* scanning is continous */
+	/* scanning is continuous */
 	tmp = cmd->convert_src;
 	/* we always output at 1kHz just now all channels at once */
 	if (0) {		/* (this_usbduxsub->high_speed) */
@@ -1645,7 +1645,7 @@ static int usbdux_ao_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 	dev_dbg(&this_usbduxsub->interface->dev,
 		"comedi%d: %s\n", dev->minor, __func__);
 
-	/* set current channel of the running aquisition to zero */
+	/* set current channel of the running acquisition to zero */
 	s->async->cur_chan = 0;
 	for (i = 0; i < cmd->chanlist_len; ++i) {
 		chan = CR_CHAN(cmd->chanlist[i]);
@@ -1694,7 +1694,7 @@ static int usbdux_ao_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 	this_usbduxsub->ao_counter = this_usbduxsub->ao_timer;
 
 	if (cmd->stop_src == TRIG_COUNT) {
-		/* not continous */
+		/* not continuous */
 		/* counter */
 		/* high speed also scans everything at once */
 		if (0) {	/* (this_usbduxsub->high_speed) */
@@ -1708,7 +1708,7 @@ static int usbdux_ao_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 		}
 		this_usbduxsub->ao_continous = 0;
 	} else {
-		/* continous aquisition */
+		/* continous acquisition */
 		this_usbduxsub->ao_continous = 1;
 		this_usbduxsub->ao_sample_count = 0;
 	}
diff --git a/drivers/staging/comedi/drivers/usbduxfast.c b/drivers/staging/comedi/drivers/usbduxfast.c
index 5b15e6df54e6..2a8e725b7859 100644
--- a/drivers/staging/comedi/drivers/usbduxfast.c
+++ b/drivers/staging/comedi/drivers/usbduxfast.c
@@ -180,7 +180,7 @@ struct usbduxfastsub_s {
 	/* comedi device for the interrupt context */
 	struct comedi_device *comedidev;
 	short int ai_cmd_running;	/* asynchronous command is running */
-	short int ai_continous;	/* continous aquisition */
+	short int ai_continous;	/* continous acquisition */
 	long int ai_sample_count;	/* number of samples to acquire */
 	uint8_t *dux_commands;	/* commands */
 	int ignore;		/* counter which ignores the first
@@ -392,7 +392,7 @@ static void usbduxfastsub_ai_Irq(struct urb *urb)
 	p = urb->transfer_buffer;
 	if (!udfs->ignore) {
 		if (!udfs->ai_continous) {
-			/* not continous, fixed number of samples */
+			/* not continuous, fixed number of samples */
 			n = urb->actual_length / sizeof(uint16_t);
 			if (unlikely(udfs->ai_sample_count < n)) {
 				/*
@@ -775,7 +775,7 @@ static int usbduxfast_ai_cmd(struct comedi_device *dev,
 		up(&udfs->sem);
 		return -EBUSY;
 	}
-	/* set current channel of the running aquisition to zero */
+	/* set current channel of the running acquisition to zero */
 	s->async->cur_chan = 0;
 
 	/*
@@ -1182,7 +1182,7 @@ static int usbduxfast_ai_cmd(struct comedi_device *dev,
 		}
 		udfs->ai_continous = 0;
 	} else {
-		/* continous aquisition */
+		/* continous acquisition */
 		udfs->ai_continous = 1;
 		udfs->ai_sample_count = 0;
 	}