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mtd: lpc32xx_slc: Use devm_*() functions

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Use devm_*() functions to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Jingoo Han 2013-12-26 10:44:30 +09:00 committed by Brian Norris
parent 2281f7b63e
commit 133432a7e2
1 changed files with 3 additions and 7 deletions
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10
drivers/mtd/nand/lpc32xx_slc.c
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@ -791,8 +791,8 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
}
if (host->ncfg->wp_gpio == -EPROBE_DEFER)
return -EPROBE_DEFER;
if (gpio_is_valid(host->ncfg->wp_gpio) &&
gpio_request(host->ncfg->wp_gpio, "NAND WP")) {
if (gpio_is_valid(host->ncfg->wp_gpio) && devm_gpio_request(&pdev->dev,
host->ncfg->wp_gpio, "NAND WP")) {
dev_err(&pdev->dev, "GPIO not available\n");
return -EBUSY;
}
@ -808,7 +808,7 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
mtd->dev.parent = &pdev->dev;
/* Get NAND clock */
host->clk = clk_get(&pdev->dev, NULL);
host->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(host->clk)) {
dev_err(&pdev->dev, "Clock failure\n");
res = -ENOENT;
@ -927,10 +927,8 @@ err_exit3:
dma_release_channel(host->dma_chan);
err_exit2:
clk_disable(host->clk);
clk_put(host->clk);
err_exit1:
lpc32xx_wp_enable(host);
gpio_free(host->ncfg->wp_gpio);
return res;
}
@ -953,9 +951,7 @@ static int lpc32xx_nand_remove(struct platform_device *pdev)
writel(tmp, SLC_CTRL(host->io_base));
clk_disable(host->clk);
clk_put(host->clk);
lpc32xx_wp_enable(host);
gpio_free(host->ncfg->wp_gpio);
return 0;
}