From 62a9c01da2fd32986e45525e5ced0f1718aeab10 Mon Sep 17 00:00:00 2001 From: Thibaut Girka Date: Wed, 9 Jun 2010 20:33:50 +0200 Subject: glamo-mci: Use threaded irqs --- drivers/mfd/glamo/glamo-mci.c | 26 +++++++++----------------- 1 file changed, 9 insertions(+), 17 deletions(-) (limited to 'drivers') 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; } -- cgit v1.2.3