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crypto: omap-sham - don't treat NULL clk as an error 

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.

Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Reviewed-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Reviewed-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Jamie Iles 2011-01-29 16:01:02 +11:00 committed by Herbert Xu
parent 3e50191d98
commit 36be070ac6
1 changed files with 2 additions and 2 deletions
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4
drivers/crypto/omap-sham.c
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@ -1206,9 +1206,9 @@ static int __devinit omap_sham_probe(struct platform_device *pdev)
/* Initializing the clock */
dd->iclk = clk_get(dev, "ick");
if (!dd->iclk) {
if (IS_ERR(dd->iclk)) {
dev_err(dev, "clock intialization failed.\n");
err = -ENODEV;
err = PTR_ERR(dd->iclk);
goto clk_err;
}