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authorLinus Torvalds <torvalds@linux-foundation.org>2013-03-23 12:32:14 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-03-23 12:32:14 -0700
commitdf2a8f39cdecdf59be797b9c86b26f90b37321e7 (patch)
treea1e4aac4e005e0faf578c96f1cc618ecd55ee6cb /drivers
parenta4e71e7937461730998cef56cc924fe731b4d345 (diff)
parent888f2804e46377b54f283707f87c09922ef87eb2 (diff)
downloadlinux-df2a8f39cdecdf59be797b9c86b26f90b37321e7.tar.gz
Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
 "One bugfix for the tegra driver.  Two updates regarding email
  addresses and MAINTAINERS which I like to have up-to-date so people
  can be reached immediately.  While we are here, there is on PCI_ID
  addition."

* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  MAINTAINERS: add maintainer entry for atmel i2c driver
  i2c: Fix my e-mail address in drivers and documentation
  i2c: iSMT: add Intel Avoton DeviceIDs
  i2c: tegra: check the clk_prepare_enable() return value
Diffstat (limited to 'drivers')
-rw-r--r--drivers/i2c/busses/i2c-ismt.c2
-rw-r--r--drivers/i2c/busses/i2c-tegra.c13
-rw-r--r--drivers/i2c/muxes/i2c-mux-pca9541.c2
3 files changed, 14 insertions, 3 deletions
diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c
index e9205ee8cf94..130f02cc9d94 100644
--- a/drivers/i2c/busses/i2c-ismt.c
+++ b/drivers/i2c/busses/i2c-ismt.c
@@ -80,6 +80,7 @@
 /* PCI DIDs for the Intel SMBus Message Transport (SMT) Devices */
 #define PCI_DEVICE_ID_INTEL_S1200_SMT0	0x0c59
 #define PCI_DEVICE_ID_INTEL_S1200_SMT1	0x0c5a
+#define PCI_DEVICE_ID_INTEL_AVOTON_SMT	0x1f15
 
 #define ISMT_DESC_ENTRIES	32	/* number of descriptor entries */
 #define ISMT_MAX_RETRIES	3	/* number of SMBus retries to attempt */
@@ -185,6 +186,7 @@ struct ismt_priv {
 static const DEFINE_PCI_DEVICE_TABLE(ismt_ids) = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_S1200_SMT0) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_S1200_SMT1) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_AVOTON_SMT) },
 	{ 0, }
 };
 
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index 36704e3ab3fa..b714776b6ddd 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -411,7 +411,11 @@ static int tegra_i2c_init(struct tegra_i2c_dev *i2c_dev)
 	int clk_multiplier = I2C_CLK_MULTIPLIER_STD_FAST_MODE;
 	u32 clk_divisor;
 
-	tegra_i2c_clock_enable(i2c_dev);
+	err = tegra_i2c_clock_enable(i2c_dev);
+	if (err < 0) {
+		dev_err(i2c_dev->dev, "Clock enable failed %d\n", err);
+		return err;
+	}
 
 	tegra_periph_reset_assert(i2c_dev->div_clk);
 	udelay(2);
@@ -628,7 +632,12 @@ static int tegra_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[],
 	if (i2c_dev->is_suspended)
 		return -EBUSY;
 
-	tegra_i2c_clock_enable(i2c_dev);
+	ret = tegra_i2c_clock_enable(i2c_dev);
+	if (ret < 0) {
+		dev_err(i2c_dev->dev, "Clock enable failed %d\n", ret);
+		return ret;
+	}
+
 	for (i = 0; i < num; i++) {
 		enum msg_end_type end_type = MSG_END_STOP;
 		if (i < (num - 1)) {
diff --git a/drivers/i2c/muxes/i2c-mux-pca9541.c b/drivers/i2c/muxes/i2c-mux-pca9541.c
index f3b8f9a6a89b..966a18a5d12d 100644
--- a/drivers/i2c/muxes/i2c-mux-pca9541.c
+++ b/drivers/i2c/muxes/i2c-mux-pca9541.c
@@ -3,7 +3,7 @@
  *
  * Copyright (c) 2010 Ericsson AB.
  *
- * Author: Guenter Roeck <guenter.roeck@ericsson.com>
+ * Author: Guenter Roeck <linux@roeck-us.net>
  *
  * Derived from:
  *  pca954x.c