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-rw-r--r--drivers/serial/bfin_5xx.c58
-rw-r--r--include/asm-blackfin/mach-bf527/bfin_serial_5xx.h2
-rw-r--r--include/asm-blackfin/mach-bf533/bfin_serial_5xx.h2
-rw-r--r--include/asm-blackfin/mach-bf537/bfin_serial_5xx.h2
-rw-r--r--include/asm-blackfin/mach-bf561/bfin_serial_5xx.h2
5 files changed, 12 insertions, 54 deletions
diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index 8a2f6a1baa74..869c99aa77a4 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -65,9 +65,6 @@ static void bfin_serial_stop_tx(struct uart_port *port)
{
struct bfin_serial_port *uart = (struct bfin_serial_port *)port;
struct circ_buf *xmit = &uart->port.info->xmit;
-#if !defined(CONFIG_BF54x) && !defined(CONFIG_SERIAL_BFIN_DMA)
- unsigned short ier;
-#endif
while (!(UART_GET_LSR(uart) & TEMT))
cpu_relax();
@@ -82,12 +79,8 @@ static void bfin_serial_stop_tx(struct uart_port *port)
#ifdef CONFIG_BF54x
/* Clear TFI bit */
UART_PUT_LSR(uart, TFI);
- UART_CLEAR_IER(uart, ETBEI);
-#else
- ier = UART_GET_IER(uart);
- ier &= ~ETBEI;
- UART_PUT_IER(uart, ier);
#endif
+ UART_CLEAR_IER(uart, ETBEI);
#endif
}
@@ -102,14 +95,7 @@ static void bfin_serial_start_tx(struct uart_port *port)
if (uart->tx_done)
bfin_serial_dma_tx_chars(uart);
#else
-#ifdef CONFIG_BF54x
UART_SET_IER(uart, ETBEI);
-#else
- unsigned short ier;
- ier = UART_GET_IER(uart);
- ier |= ETBEI;
- UART_PUT_IER(uart, ier);
-#endif
bfin_serial_tx_chars(uart);
#endif
}
@@ -120,21 +106,10 @@ static void bfin_serial_start_tx(struct uart_port *port)
static void bfin_serial_stop_rx(struct uart_port *port)
{
struct bfin_serial_port *uart = (struct bfin_serial_port *)port;
-#ifdef CONFIG_KGDB_UART
- if (uart->port.line != CONFIG_KGDB_UART_PORT) {
+#ifdef CONFIG_KGDB_UART
+ if (uart->port.line != CONFIG_KGDB_UART_PORT)
#endif
-#ifdef CONFIG_BF54x
UART_CLEAR_IER(uart, ERBFI);
-#else
- unsigned short ier;
-
- ier = UART_GET_IER(uart);
- ier &= ~ERBFI;
- UART_PUT_IER(uart, ier);
-#endif
-#ifdef CONFIG_KGDB_UART
- }
-#endif
}
/*
@@ -208,9 +183,6 @@ static void bfin_serial_rx_chars(struct bfin_serial_port *uart)
struct tty_struct *tty = uart->port.info->tty;
unsigned int status, ch, flg;
static struct timeval anomaly_start = { .tv_sec = 0 };
-#ifdef CONFIG_KGDB_UART
- struct pt_regs *regs = get_irq_regs();
-#endif
status = UART_GET_LSR(uart);
UART_CLEAR_LSR(uart);
@@ -220,6 +192,7 @@ static void bfin_serial_rx_chars(struct bfin_serial_port *uart)
#ifdef CONFIG_KGDB_UART
if (uart->port.line == CONFIG_KGDB_UART_PORT) {
+ struct pt_regs *regs = get_irq_regs();
if (uart->port.cons->index == CONFIG_KGDB_UART_PORT && ch == 0x1) { /* Ctrl + A */
kgdb_breakkey_pressed(regs);
return;
@@ -391,7 +364,6 @@ static void bfin_serial_do_work(struct work_struct *work)
static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart)
{
struct circ_buf *xmit = &uart->port.info->xmit;
- unsigned short ier;
uart->tx_done = 0;
@@ -429,13 +401,7 @@ static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart)
set_dma_x_modify(uart->tx_dma_channel, 1);
enable_dma(uart->tx_dma_channel);
-#ifdef CONFIG_BF54x
UART_SET_IER(uart, ETBEI);
-#else
- ier = UART_GET_IER(uart);
- ier |= ETBEI;
- UART_PUT_IER(uart, ier);
-#endif
}
static void bfin_serial_dma_rx_chars(struct bfin_serial_port *uart)
@@ -513,19 +479,12 @@ static irqreturn_t bfin_serial_dma_tx_int(int irq, void *dev_id)
{
struct bfin_serial_port *uart = dev_id;
struct circ_buf *xmit = &uart->port.info->xmit;
- unsigned short ier;
spin_lock(&uart->port.lock);
if (!(get_dma_curr_irqstat(uart->tx_dma_channel)&DMA_RUN)) {
disable_dma(uart->tx_dma_channel);
clear_dma_irqstat(uart->tx_dma_channel);
-#ifdef CONFIG_BF54x
UART_CLEAR_IER(uart, ETBEI);
-#else
- ier = UART_GET_IER(uart);
- ier &= ~ETBEI;
- UART_PUT_IER(uart, ier);
-#endif
xmit->tail = (xmit->tail + uart->tx_count) & (UART_XMIT_SIZE - 1);
uart->port.icount.tx += uart->tx_count;
@@ -701,7 +660,6 @@ static int bfin_serial_startup(struct uart_port *port)
# endif
}
-
if (request_irq
(uart->port.irq+1, bfin_serial_tx_int, IRQF_DISABLED,
"BFIN_UART_TX", uart)) {
@@ -710,11 +668,7 @@ static int bfin_serial_startup(struct uart_port *port)
return -EBUSY;
}
#endif
-#ifdef CONFIG_BF54x
UART_SET_IER(uart, ERBFI);
-#else
- UART_PUT_IER(uart, UART_GET_IER(uart) | ERBFI);
-#endif
return 0;
}
@@ -1290,11 +1244,7 @@ static int __init bfin_serial_init(void)
request_irq(uart->port.irq, bfin_serial_rx_int,
IRQF_DISABLED, "BFIN_UART_RX", uart);
pr_info("Request irq for kgdb uart port\n");
-#ifdef CONFIG_BF54x
UART_SET_IER(uart, ERBFI);
-#else
- UART_PUT_IER(uart, UART_GET_IER(uart) | ERBFI);
-#endif
SSYNC();
t.c_cflag = CS8|B57600;
t.c_iflag = 0;
diff --git a/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h
index f0ab2736a680..1bbfc2d75bde 100644
--- a/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h
@@ -44,6 +44,8 @@
#define UART_PUT_CHAR(uart, v) bfin_write16(((uart)->port.membase + OFFSET_THR), v)
#define UART_PUT_DLL(uart, v) bfin_write16(((uart)->port.membase + OFFSET_DLL), v)
#define UART_PUT_IER(uart, v) bfin_write16(((uart)->port.membase + OFFSET_IER), v)
+#define UART_SET_IER(uart, v) UART_PUT_IER(uart, UART_GET_IER(uart) | (v))
+#define UART_CLEAR_IER(uart, v) UART_PUT_IER(uart, UART_GET_IER(uart) & ~(v))
#define UART_PUT_DLH(uart, v) bfin_write16(((uart)->port.membase + OFFSET_DLH), v)
#define UART_PUT_LCR(uart, v) bfin_write16(((uart)->port.membase + OFFSET_LCR), v)
#define UART_PUT_GCTL(uart, v) bfin_write16(((uart)->port.membase + OFFSET_GCTL), v)
diff --git a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
index fbe88dee3e2d..d22f052d6c80 100644
--- a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
@@ -44,6 +44,8 @@
#define UART_PUT_CHAR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_THR),v)
#define UART_PUT_DLL(uart,v) bfin_write16(((uart)->port.membase + OFFSET_DLL),v)
#define UART_PUT_IER(uart,v) bfin_write16(((uart)->port.membase + OFFSET_IER),v)
+#define UART_SET_IER(uart,v) UART_PUT_IER(uart, UART_GET_IER(uart) | (v))
+#define UART_CLEAR_IER(uart,v) UART_PUT_IER(uart, UART_GET_IER(uart) & ~(v))
#define UART_PUT_DLH(uart,v) bfin_write16(((uart)->port.membase + OFFSET_DLH),v)
#define UART_PUT_LCR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_LCR),v)
#define UART_PUT_GCTL(uart,v) bfin_write16(((uart)->port.membase + OFFSET_GCTL),v)
diff --git a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
index fd100a415b98..ae2362c0bf97 100644
--- a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
@@ -44,6 +44,8 @@
#define UART_PUT_CHAR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_THR),v)
#define UART_PUT_DLL(uart,v) bfin_write16(((uart)->port.membase + OFFSET_DLL),v)
#define UART_PUT_IER(uart,v) bfin_write16(((uart)->port.membase + OFFSET_IER),v)
+#define UART_SET_IER(uart,v) UART_PUT_IER(uart, UART_GET_IER(uart) | (v))
+#define UART_CLEAR_IER(uart,v) UART_PUT_IER(uart, UART_GET_IER(uart) & ~(v))
#define UART_PUT_DLH(uart,v) bfin_write16(((uart)->port.membase + OFFSET_DLH),v)
#define UART_PUT_LCR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_LCR),v)
#define UART_PUT_GCTL(uart,v) bfin_write16(((uart)->port.membase + OFFSET_GCTL),v)
diff --git a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
index 8a4e66d1db37..c209f0df47f7 100644
--- a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
@@ -44,6 +44,8 @@
#define UART_PUT_CHAR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_THR),v)
#define UART_PUT_DLL(uart,v) bfin_write16(((uart)->port.membase + OFFSET_DLL),v)
#define UART_PUT_IER(uart,v) bfin_write16(((uart)->port.membase + OFFSET_IER),v)
+#define UART_SET_IER(uart,v) UART_PUT_IER(uart, UART_GET_IER(uart) | (v))
+#define UART_CLEAR_IER(uart,v) UART_PUT_IER(uart, UART_GET_IER(uart) & ~(v))
#define UART_PUT_DLH(uart,v) bfin_write16(((uart)->port.membase + OFFSET_DLH),v)
#define UART_PUT_LCR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_LCR),v)
#define UART_PUT_GCTL(uart,v) bfin_write16(((uart)->port.membase + OFFSET_GCTL),v)
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-17 15:54:06 +0000