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authorThibaut Girka <thib@sitedethib.com>2010-06-09 20:33:50 +0200
committerLars-Peter Clausen <lars@metafoo.de>2010-06-09 21:20:05 +0200
commit62a9c01da2fd32986e45525e5ced0f1718aeab10 (patch)
tree7e8ca660556bb382b91a8a2744d1ccb52603d2ff /drivers
parent464e7f2fb9e2e54e1eeed48bf17aa29401d875cb (diff)
glamo-mci: Use threaded irqs
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mfd/glamo/glamo-mci.c26
1 files changed, 9 insertions, 17 deletions
diff --git a/drivers/mfd/glamo/glamo-mci.c b/drivers/mfd/glamo/glamo-mci.c
index aa5312458b1..74e784e5350 100644
--- a/drivers/mfd/glamo/glamo-mci.c
+++ b/drivers/mfd/glamo/glamo-mci.c
@@ -54,7 +54,6 @@ struct glamo_mci_host {
struct timer_list disable_timer;
- struct work_struct irq_work;
struct work_struct read_work;
unsigned clk_enabled:1;
@@ -256,17 +255,15 @@ mmc_request *mrq)
mmc_request_done(host->mmc, mrq);
}
-
-static void glamo_mci_irq_worker(struct work_struct *work)
+static irqreturn_t glamo_mci_irq(int irq, void *data)
{
- struct glamo_mci_host *host = container_of(work, struct glamo_mci_host,
- irq_work);
+ struct glamo_mci_host *host = data;
struct mmc_request *mrq;
struct mmc_command *cmd;
uint16_t status;
if (!host->mrq || !host->mrq->cmd)
- return;
+ return IRQ_HANDLED;
mrq = host->mrq;
cmd = mrq->cmd;
@@ -306,6 +303,8 @@ static void glamo_mci_irq_worker(struct work_struct *work)
done:
host->mrq = NULL;
glamo_mci_request_done(host, cmd->mrq);
+
+ return IRQ_HANDLED;
}
static void glamo_mci_read_worker(struct work_struct *work)
@@ -370,14 +369,6 @@ done:
glamo_mci_request_done(host, cmd->mrq);
}
-static irqreturn_t glamo_mci_irq(int irq, void *devid)
-{
- struct glamo_mci_host *host = (struct glamo_mci_host *)devid;
- schedule_work(&host->irq_work);
-
- return IRQ_HANDLED;
-}
-
static void glamo_mci_send_command(struct glamo_mci_host *host,
struct mmc_command *cmd)
{
@@ -792,7 +783,6 @@ static int glamo_mci_probe(struct platform_device *pdev)
host->core = core;
host->irq = platform_get_irq(pdev, 0);
- INIT_WORK(&host->irq_work, glamo_mci_irq_worker);
INIT_WORK(&host->read_work, glamo_mci_read_worker);
host->regulator = regulator_get(pdev->dev.parent, "SD_3V3");
@@ -856,7 +846,7 @@ static int glamo_mci_probe(struct platform_device *pdev)
goto probe_free_mem_region_data;
}
- ret = request_irq(host->irq, glamo_mci_irq, IRQF_SHARED,
+ ret = request_threaded_irq(host->irq, NULL, glamo_mci_irq, IRQF_SHARED,
pdev->name, host);
if (ret) {
dev_err(&pdev->dev, "failed to register irq.\n");
@@ -959,7 +949,7 @@ static int glamo_mci_suspend(struct device *dev)
struct glamo_mci_host *host = mmc_priv(mmc);
int ret;
- cancel_work_sync(&host->irq_work);
+ disable_irq(host->irq);
ret = mmc_suspend_host(mmc, PMSG_SUSPEND);
@@ -979,6 +969,8 @@ static int glamo_mci_resume(struct device *dev)
ret = mmc_resume_host(host->mmc);
+ enable_irq(host->irq);
+
return 0;
}