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authorAlexander Shiyan <shc_work@mail.ru>2014-01-10 17:02:05 +0400
committerMark Brown <broonie@linaro.org>2014-01-10 13:27:24 +0000
commit989847967cd762598ff0caa2aafc4ddcb04bcda3 (patch)
tree5306d989eae95ae6e81731709dd7f0900f05ef47 /drivers/spi/spi-clps711x.c
parent6ce4eac1f600b34f2f7f58f9cd8f0503d79e42ae (diff)
spi: clps711x: Use devm_gpio_request()
This patch replaces gpio_request() with devm_ API. As a result this simplifies error path and eliminates "remove" function. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/spi/spi-clps711x.c')
-rw-r--r--drivers/spi/spi-clps711x.c22
1 files changed, 2 insertions, 20 deletions
diff --git a/drivers/spi/spi-clps711x.c b/drivers/spi/spi-clps711x.c
index 6f03d7e6435d..dafb243a9143 100644
--- a/drivers/spi/spi-clps711x.c
+++ b/drivers/spi/spi-clps711x.c
@@ -1,7 +1,7 @@
/*
* CLPS711X SPI bus driver
*
- * Copyright (C) 2012 Alexander Shiyan <shc_work@mail.ru>
+ * Copyright (C) 2012-2014 Alexander Shiyan <shc_work@mail.ru>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -198,7 +198,7 @@ static int spi_clps711x_probe(struct platform_device *pdev)
ret = -EINVAL;
goto err_out;
}
- if (gpio_request(hw->chipselect[i], DRIVER_NAME)) {
+ if (devm_gpio_request(&pdev->dev, hw->chipselect[i], NULL)) {
dev_err(&pdev->dev, "Can't get CS GPIO %i\n", i);
ret = -EINVAL;
goto err_out;
@@ -240,35 +240,17 @@ static int spi_clps711x_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "Failed to register master\n");
err_out:
- while (--i >= 0)
- if (gpio_is_valid(hw->chipselect[i]))
- gpio_free(hw->chipselect[i]);
-
spi_master_put(master);
return ret;
}
-static int spi_clps711x_remove(struct platform_device *pdev)
-{
- int i;
- struct spi_master *master = platform_get_drvdata(pdev);
- struct spi_clps711x_data *hw = spi_master_get_devdata(master);
-
- for (i = 0; i < master->num_chipselect; i++)
- if (gpio_is_valid(hw->chipselect[i]))
- gpio_free(hw->chipselect[i]);
-
- return 0;
-}
-
static struct platform_driver clps711x_spi_driver = {
.driver = {
.name = DRIVER_NAME,
.owner = THIS_MODULE,
},
.probe = spi_clps711x_probe,
- .remove = spi_clps711x_remove,
};
module_platform_driver(clps711x_spi_driver);