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authorMagnus Damm <damm@opensource.se>2011-05-06 11:02:33 +0000
committerChris Ball <cjb@laptop.org>2011-05-24 23:53:52 -0400
commit8e7bfdb37ac001c95d2c768932b57de1019409cd (patch)
tree8b91c25442de01ce415563ae60ee30eb8d7e6e3c /drivers/mmc/host/sh_mobile_sdhi.c
parentdf3ef2d3c92c0a562ebde3699af7d12401fddf60 (diff)
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mmc: tmio/sdhi: break out interrupt request/free
Move request_irq()/free_irq() from the shared code in tmio_mmc.c into the SDHI/tmio specific portion in sh_mobile_sdhi.c and tmio_mmc_pio.c. This is ground work to allow us to adjust the SDHI code with IRQ flags and number of interupt sources. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc/host/sh_mobile_sdhi.c')
-rw-r--r--drivers/mmc/host/sh_mobile_sdhi.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/mmc/host/sh_mobile_sdhi.c b/drivers/mmc/host/sh_mobile_sdhi.c
index f60e954dec64..9ee51ace6f70 100644
--- a/drivers/mmc/host/sh_mobile_sdhi.c
+++ b/drivers/mmc/host/sh_mobile_sdhi.c
@@ -62,7 +62,7 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev)
struct sh_mobile_sdhi_info *p = pdev->dev.platform_data;
struct tmio_mmc_host *host;
char clk_name[8];
- int ret;
+ int irq, ret;
priv = kzalloc(sizeof(struct sh_mobile_sdhi), GFP_KERNEL);
if (priv == NULL) {
@@ -116,11 +116,24 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev)
if (ret < 0)
goto eprobe;
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0) {
+ ret = irq;
+ goto eirq;
+ }
+
+ ret = request_irq(irq, tmio_mmc_irq, IRQF_DISABLED |
+ IRQF_TRIGGER_FALLING, dev_name(&pdev->dev), host);
+ if (ret)
+ goto eirq;
+
pr_info("%s at 0x%08lx irq %d\n", mmc_hostname(host->mmc),
- (unsigned long)host->ctl, host->irq);
+ (unsigned long)host->ctl, irq);
return ret;
+eirq:
+ tmio_mmc_host_remove(host);
eprobe:
clk_disable(priv->clk);
clk_put(priv->clk);
@@ -135,6 +148,7 @@ static int sh_mobile_sdhi_remove(struct platform_device *pdev)
struct tmio_mmc_host *host = mmc_priv(mmc);
struct sh_mobile_sdhi *priv = container_of(host->pdata, struct sh_mobile_sdhi, mmc_data);
+ free_irq(platform_get_irq(pdev, 0), host);
tmio_mmc_host_remove(host);
clk_disable(priv->clk);
clk_put(priv->clk);