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| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2010-09-12 19:24:24 +0800 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2010-09-20 08:56:42 +0200 |
| commit | 3c605668b497648a98ad894119442776f7152fd1 (patch) | |
| tree | 3dda6019a37151f2adabfac69ea1849798c03f29 | |
| parent | c33a2e503c32696bbf5f2388599cabc5d4d45c01 (diff) | |
| download | barebox-3c605668b497648a98ad894119442776f7152fd1.tar.gz barebox-3c605668b497648a98ad894119442776f7152fd1.tar.xz | |
amba-pl011: probe fail if we can't get the clock
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
| -rw-r--r-- | drivers/serial/amba-pl011.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c index 07508d03b0..bc9b0def8e 100644 --- a/drivers/serial/amba-pl011.c +++ b/drivers/serial/amba-pl011.c @@ -34,6 +34,7 @@ #include <asm/io.h> #include <linux/amba/serial.h> #include <linux/clk.h> +#include <linux/err.h> /* * We wrap our port structure around the generic console_device. @@ -160,6 +161,9 @@ static int pl011_probe(struct device_d *dev) uart->clk = clk_get(dev, NULL); + if (IS_ERR(uart->clk)) + return PTR_ERR(uart->clk); + cdev = &uart->uart; dev->type_data = cdev; cdev->dev = dev; |