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sdhci-s3c: add missing remove function 

System will crash sooner or later once the memory with the code of the
s3c-sdhci.ko module is reused for something else. I really have no idea
how the lack of remove function went unnoticed into the mainline code.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Marek Szyprowski 2010-07-20 13:24:33 -07:00 committed by Linus Torvalds
parent d45840d9f0
commit 9d51a6b248
1 changed files with 20 additions and 0 deletions
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20
drivers/mmc/host/sdhci-s3c.c
View File

@ -365,6 +365,26 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
{
struct sdhci_host *host = platform_get_drvdata(pdev);
struct sdhci_s3c *sc = sdhci_priv(host);
int ptr;
sdhci_remove_host(host, 1);
for (ptr = 0; ptr < 3; ptr++) {
clk_disable(sc->clk_bus[ptr]);
clk_put(sc->clk_bus[ptr]);
}
clk_disable(sc->clk_io);
clk_put(sc->clk_io);
iounmap(host->ioaddr);
release_resource(sc->ioarea);
kfree(sc->ioarea);
sdhci_free_host(host);
platform_set_drvdata(pdev, NULL);
return 0;
}