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mmc: sh-mmcif: use devm_ for irq management

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Use devm_request_threaded_irq() for the host interrupt handlers so we
do not have to worry about freeing them on exit or error. Tidies up the
exit path code for the driver.

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Ben Dooks 2014-06-04 12:42:11 +01:00 committed by Ulf Hansson
parent 46991005e1
commit 6f4789e6a8
1 changed files with 8 additions and 18 deletions
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26
drivers/mmc/host/sh_mmcif.c
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@ -1440,17 +1440,19 @@ static int sh_mmcif_probe(struct platform_device *pdev)
sh_mmcif_writel(host->addr, MMCIF_CE_INT_MASK, MASK_ALL);
name = irq[1] < 0 ? dev_name(&pdev->dev) : "sh_mmc:error";
ret = request_threaded_irq(irq[0], sh_mmcif_intr, sh_mmcif_irqt, 0, name, host);
ret = devm_request_threaded_irq(&pdev->dev, irq[0], sh_mmcif_intr,
sh_mmcif_irqt, 0, name, host);
if (ret) {
dev_err(&pdev->dev, "request_irq error (%s)\n", name);
goto ereqirq0;
goto err_irq;
}
if (irq[1] >= 0) {
ret = request_threaded_irq(irq[1], sh_mmcif_intr, sh_mmcif_irqt,
0, "sh_mmc:int", host);
ret = devm_request_threaded_irq(&pdev->dev, irq[1],
sh_mmcif_intr, sh_mmcif_irqt,
0, "sh_mmc:int", host);
if (ret) {
dev_err(&pdev->dev, "request_irq error (sh_mmc:int)\n");
goto ereqirq1;
goto err_irq;
}
}
@ -1477,11 +1479,7 @@ static int sh_mmcif_probe(struct platform_device *pdev)
emmcaddh:
erqcd:
if (irq[1] >= 0)
free_irq(irq[1], host);
ereqirq1:
free_irq(irq[0], host);
ereqirq0:
err_irq:
pm_runtime_suspend(&pdev->dev);
err_clk:
clk_disable_unprepare(host->hclk);
@ -1495,7 +1493,6 @@ err_host:
static int sh_mmcif_remove(struct platform_device *pdev)
{
struct sh_mmcif_host *host = platform_get_drvdata(pdev);
int irq[2];
host->dying = true;
clk_prepare_enable(host->hclk);
@ -1513,13 +1510,6 @@ static int sh_mmcif_remove(struct platform_device *pdev)
*/
cancel_delayed_work_sync(&host->timeout_work);
irq[0] = platform_get_irq(pdev, 0);
irq[1] = platform_get_irq(pdev, 1);
free_irq(irq[0], host);
if (irq[1] >= 0)
free_irq(irq[1], host);
clk_disable_unprepare(host->hclk);
mmc_free_host(host->mmc);
pm_runtime_put_sync(&pdev->dev);