[PATCH] spi: clps711x: Provide label argument for devm_gpio_request

[Axel Lin <axel.lin-8E1dMatC8ynQT0dZR+AlfA@public.gmane.org>]

The label argument was removed by commit 989847967cd762
spi: clps711x: Use devm_gpio_request(), add it back.
This makes it easier to know the gpio usage in /sys/kernel/debug/gpio.

Also remove unnecessary gpio_is_valid() checking, devm_gpio_request() returns
error if the requested gpio is invalid.

Signed-off-by: Axel Lin <axel.lin-8E1dMatC8ynQT0dZR+AlfA@public.gmane.org>
---
 drivers/spi/spi-clps711x.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/spi/spi-clps711x.c b/drivers/spi/spi-clps711x.c
index 3900c31..2b60935 100644
--- a/drivers/spi/spi-clps711x.c
+++ b/drivers/spi/spi-clps711x.c
@@ -158,14 +158,10 @@ static int spi_clps711x_probe(struct platform_device *pdev)
 
 	for (i = 0; i < master->num_chipselect; i++) {
 		master->cs_gpios[i] = pdata->chipselect[i];
-		if (!gpio_is_valid(master->cs_gpios[i])) {
-			dev_err(&pdev->dev, "Invalid CS GPIO %i\n", i);
-			ret = -EINVAL;
-			goto err_out;
-		}
-		if (devm_gpio_request(&pdev->dev, master->cs_gpios[i], NULL)) {
+		ret = devm_gpio_request(&pdev->dev, master->cs_gpios[i],
+					DRIVER_NAME);
+		if (ret) {
 			dev_err(&pdev->dev, "Can't get CS GPIO %i\n", i);
-			ret = -EINVAL;
 			goto err_out;
 		}
 	}
-- 
1.8.1.2



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