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authorIngo Molnar <mingo@kernel.org>2017-11-07 10:48:05 +0100
committerIngo Molnar <mingo@kernel.org>2017-11-07 10:48:05 +0100
commit783711f0d2458ca1bd716000e767c478cef27144 (patch)
tree0aebe2cfc09cbfa9a18e6a5e8d002489745f45a8 /drivers/i2c/busses/i2c-omap.c
parentobjtool: Print top level commands on incorrect usage (diff)
parentMerge branch 'for-4.14-fixes' of git://git.kernel.org/pub/scm/linux/kernel/gi... (diff)
downloadlinux-783711f0d2458ca1bd716000e767c478cef27144.tar.xz
linux-783711f0d2458ca1bd716000e767c478cef27144.zip
Merge branch 'linus' into core/objtool, to pick up dependent fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/i2c/busses/i2c-omap.c')
-rw-r--r--drivers/i2c/busses/i2c-omap.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index 1ebb5e947e0b..23c2ea2baedc 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -360,6 +360,7 @@ static int omap_i2c_init(struct omap_i2c_dev *omap)
unsigned long fclk_rate = 12000000;
unsigned long internal_clk = 0;
struct clk *fclk;
+ int error;
if (omap->rev >= OMAP_I2C_REV_ON_3430_3530) {
/*
@@ -378,6 +379,13 @@ static int omap_i2c_init(struct omap_i2c_dev *omap)
* do this bit unconditionally.
*/
fclk = clk_get(omap->dev, "fck");
+ if (IS_ERR(fclk)) {
+ error = PTR_ERR(fclk);
+ dev_err(omap->dev, "could not get fck: %i\n", error);
+
+ return error;
+ }
+
fclk_rate = clk_get_rate(fclk);
clk_put(fclk);
@@ -410,6 +418,12 @@ static int omap_i2c_init(struct omap_i2c_dev *omap)
else
internal_clk = 4000;
fclk = clk_get(omap->dev, "fck");
+ if (IS_ERR(fclk)) {
+ error = PTR_ERR(fclk);
+ dev_err(omap->dev, "could not get fck: %i\n", error);
+
+ return error;
+ }
fclk_rate = clk_get_rate(fclk) / 1000;
clk_put(fclk);