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| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2010-04-23 08:22:40 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2010-05-03 15:01:28 +0200 |
| commit | 76da3708c8ecfe501db12b73d49ddb2bc8f60c6b (patch) | |
| tree | eb48cbe47194b265bd802149d08c448c57efac4b /arch | |
| parent | 7eb1a159540fc3356d3d4d4bad7dde4a5c01e4b6 (diff) | |
| download | barebox-76da3708c8ecfe501db12b73d49ddb2bc8f60c6b.tar.gz barebox-76da3708c8ecfe501db12b73d49ddb2bc8f60c6b.tar.xz | |
imx/gpio: make gpio_get_value actually work
The value read at the pin is provided by Sample Status Register, not the
Data Register.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-imx/gpio.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mach-imx/gpio.c b/arch/arm/mach-imx/gpio.c index 6157bd11cd..c6a59a66cf 100644 --- a/arch/arm/mach-imx/gpio.c +++ b/arch/arm/mach-imx/gpio.c @@ -121,7 +121,7 @@ int gpio_get_value(unsigned gpio) if (!base) return -EINVAL; - val = readl(base + GPIO_DR); + val = readl(base + GPIO_PSR); return val & (1 << shift) ? 1 : 0; } |