summaryrefslogtreecommitdiff
path: root/drivers/i2c/busses
diff options
context:
space:
mode:
authorGary Bisson <gary.bisson@boundarydevices.com>2018-09-24 14:01:55 +0200
committerGary Bisson <gary.bisson@boundarydevices.com>2018-09-24 14:01:55 +0200
commitcc9333d7aace5c1de4e81932870b53bb6614dedd (patch)
tree835717abb66260b86e6116fe1e1871e1c128bf06 /drivers/i2c/busses
parentded0ac8f40f9561d8ab2f8ef6c9ff8dc435f2b41 (diff)
parent70915e25e1cff60c32e79e5b02e9559c1ed7bab2 (diff)
Merge tag 'v4.9.128' into 4.9-2.3.x-imx
This is the 4.9.128 stable release
Diffstat (limited to 'drivers/i2c/busses')
-rw-r--r--drivers/i2c/busses/i2c-i801.c7
-rw-r--r--drivers/i2c/busses/i2c-xiic.c4
2 files changed, 10 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index b32bf7eac3c8..663017f1d078 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -135,6 +135,7 @@
#define SBREG_BAR 0x10
#define SBREG_SMBCTRL 0xc6000c
+#define SBREG_SMBCTRL_DNV 0xcf000c
/* Host status bits for SMBPCISTS */
#define SMBPCISTS_INTS 0x08
@@ -1387,7 +1388,11 @@ static void i801_add_tco(struct i801_priv *priv)
spin_unlock(&p2sb_spinlock);
res = &tco_res[ICH_RES_MEM_OFF];
- res->start = (resource_size_t)base64_addr + SBREG_SMBCTRL;
+ if (pci_dev->device == PCI_DEVICE_ID_INTEL_DNV_SMBUS)
+ res->start = (resource_size_t)base64_addr + SBREG_SMBCTRL_DNV;
+ else
+ res->start = (resource_size_t)base64_addr + SBREG_SMBCTRL;
+
res->end = res->start + 3;
res->flags = IORESOURCE_MEM;
diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c
index 66bce3b311a1..b72cf2f8da5c 100644
--- a/drivers/i2c/busses/i2c-xiic.c
+++ b/drivers/i2c/busses/i2c-xiic.c
@@ -538,6 +538,7 @@ static void xiic_start_recv(struct xiic_i2c *i2c)
{
u8 rx_watermark;
struct i2c_msg *msg = i2c->rx_msg = i2c->tx_msg;
+ unsigned long flags;
/* Clear and enable Rx full interrupt. */
xiic_irq_clr_en(i2c, XIIC_INTR_RX_FULL_MASK | XIIC_INTR_TX_ERROR_MASK);
@@ -553,6 +554,7 @@ static void xiic_start_recv(struct xiic_i2c *i2c)
rx_watermark = IIC_RX_FIFO_DEPTH;
xiic_setreg8(i2c, XIIC_RFD_REG_OFFSET, rx_watermark - 1);
+ local_irq_save(flags);
if (!(msg->flags & I2C_M_NOSTART))
/* write the address */
xiic_setreg16(i2c, XIIC_DTR_REG_OFFSET,
@@ -563,6 +565,8 @@ static void xiic_start_recv(struct xiic_i2c *i2c)
xiic_setreg16(i2c, XIIC_DTR_REG_OFFSET,
msg->len | ((i2c->nmsgs == 1) ? XIIC_TX_DYN_STOP_MASK : 0));
+ local_irq_restore(flags);
+
if (i2c->nmsgs == 1)
/* very last, enable bus not busy as well */
xiic_irq_clr_en(i2c, XIIC_INTR_BNB_MASK);