Messages in this thread Patch in this message | | | From | Jamie Iles <> | Subject | [PATCH 04/16] input: tnetv107x-touchscreen: don't treat NULL clk as an error | Date | Tue, 11 Jan 2011 12:43:41 +0000 |
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clk_get() returns a struct clk cookie to the driver and some platforms may return NULL if they only support a single clock. clk_get() has only failed if it returns a ERR_PTR() encoded pointer.
Cc: Cyril Chemparathy <cyril@ti.com> Cc: linux-input@vger.kernel.org Signed-off-by: Jamie Iles <jamie@jamieiles.com> --- drivers/input/touchscreen/tnetv107x-ts.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/input/touchscreen/tnetv107x-ts.c b/drivers/input/touchscreen/tnetv107x-ts.c index cf1dba2..22a3411 100644 --- a/drivers/input/touchscreen/tnetv107x-ts.c +++ b/drivers/input/touchscreen/tnetv107x-ts.c @@ -14,6 +14,7 @@ */ #include <linux/kernel.h> +#include <linux/err.h> #include <linux/errno.h> #include <linux/input.h> #include <linux/platform_device.h> @@ -289,9 +290,9 @@ static int __devinit tsc_probe(struct platform_device *pdev) } ts->clk = clk_get(dev, NULL); - if (!ts->clk) { + if (IS_ERR(ts->clk)) { dev_err(dev, "cannot claim device clock\n"); - error = -EINVAL; + error = PTR_ERR(ts->clk); goto error_clk; } -- 1.7.3.4
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