Messages in this thread Patch in this message | | | From | Sachin Kamat <> | Subject | [PATCH 2/3] Input: tegra-kbc- Convert to devm_ioremap_resource() | Date | Thu, 31 Jan 2013 15:55:38 +0530 |
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Use the newly introduced devm_ioremap_resource() instead of devm_request_and_ioremap() which provides more consistent error handling.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: linux-input@vger.kernel.org --- Compile tested with linux-next (20130128) --- drivers/input/keyboard/tegra-kbc.c | 7 ++++--- 1 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/input/keyboard/tegra-kbc.c b/drivers/input/keyboard/tegra-kbc.c index 46e8ad2..016d931 100644 --- a/drivers/input/keyboard/tegra-kbc.c +++ b/drivers/input/keyboard/tegra-kbc.c @@ -31,6 +31,7 @@ #include <linux/slab.h> #include <linux/input/tegra_kbc.h> #include <linux/clk/tegra.h> +#include <linux/err.h> #define KBC_MAX_DEBOUNCE_CNT 0x3ffu @@ -615,10 +616,10 @@ static int tegra_kbc_probe(struct platform_device *pdev) spin_lock_init(&kbc->lock); setup_timer(&kbc->timer, tegra_kbc_keypress_timer, (unsigned long)kbc); - kbc->mmio = devm_request_and_ioremap(&pdev->dev, res); - if (!kbc->mmio) { + kbc->mmio = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(kbc->mmio)) { dev_err(&pdev->dev, "Cannot request memregion/iomap address\n"); - return -EBUSY; + return PTR_ERR(kbc->mmio); } kbc->clk = devm_clk_get(&pdev->dev, NULL); -- 1.7.4.1
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