diff options
Diffstat (limited to 'drivers/mmc/host/au1xmmc.c')
-rw-r--r-- | drivers/mmc/host/au1xmmc.c | 37 |
1 files changed, 19 insertions, 18 deletions
diff --git a/drivers/mmc/host/au1xmmc.c b/drivers/mmc/host/au1xmmc.c index b5a5c6a2fe8b..6e80bcb668ec 100644 --- a/drivers/mmc/host/au1xmmc.c +++ b/drivers/mmc/host/au1xmmc.c @@ -42,6 +42,7 @@ #include <linux/leds.h> #include <linux/mmc/host.h> #include <linux/slab.h> +#include <linux/workqueue.h> #include <asm/io.h> #include <asm/mach-au1x00/au1000.h> @@ -113,8 +114,8 @@ struct au1xmmc_host { int irq; - struct tasklet_struct finish_task; - struct tasklet_struct data_task; + struct work_struct finish_bh_work; + struct work_struct data_bh_work; struct au1xmmc_platform_data *platdata; struct platform_device *pdev; struct resource *ioarea; @@ -253,9 +254,9 @@ static void au1xmmc_finish_request(struct au1xmmc_host *host) mmc_request_done(host->mmc, mrq); } -static void au1xmmc_tasklet_finish(struct tasklet_struct *t) +static void au1xmmc_finish_bh_work(struct work_struct *t) { - struct au1xmmc_host *host = from_tasklet(host, t, finish_task); + struct au1xmmc_host *host = from_work(host, t, finish_bh_work); au1xmmc_finish_request(host); } @@ -363,9 +364,9 @@ static void au1xmmc_data_complete(struct au1xmmc_host *host, u32 status) au1xmmc_finish_request(host); } -static void au1xmmc_tasklet_data(struct tasklet_struct *t) +static void au1xmmc_data_bh_work(struct work_struct *t) { - struct au1xmmc_host *host = from_tasklet(host, t, data_task); + struct au1xmmc_host *host = from_work(host, t, data_bh_work); u32 status = __raw_readl(HOST_STATUS(host)); au1xmmc_data_complete(host, status); @@ -425,7 +426,7 @@ static void au1xmmc_send_pio(struct au1xmmc_host *host) if (host->flags & HOST_F_STOP) SEND_STOP(host); - tasklet_schedule(&host->data_task); + queue_work(system_bh_wq, &host->data_bh_work); } } @@ -505,7 +506,7 @@ static void au1xmmc_receive_pio(struct au1xmmc_host *host) if (host->flags & HOST_F_STOP) SEND_STOP(host); - tasklet_schedule(&host->data_task); + queue_work(system_bh_wq, &host->data_bh_work); } } @@ -561,7 +562,7 @@ static void au1xmmc_cmd_complete(struct au1xmmc_host *host, u32 status) if (!trans || cmd->error) { IRQ_OFF(host, SD_CONFIG_TH | SD_CONFIG_RA | SD_CONFIG_RF); - tasklet_schedule(&host->finish_task); + queue_work(system_bh_wq, &host->finish_bh_work); return; } @@ -797,7 +798,7 @@ static irqreturn_t au1xmmc_irq(int irq, void *dev_id) IRQ_OFF(host, SD_CONFIG_NE | SD_CONFIG_TH); /* IRQ_OFF(host, SD_CONFIG_TH | SD_CONFIG_RA | SD_CONFIG_RF); */ - tasklet_schedule(&host->finish_task); + queue_work(system_bh_wq, &host->finish_bh_work); } #if 0 else if (status & SD_STATUS_DD) { @@ -806,7 +807,7 @@ static irqreturn_t au1xmmc_irq(int irq, void *dev_id) au1xmmc_receive_pio(host); else { au1xmmc_data_complete(host, status); - /* tasklet_schedule(&host->data_task); */ + /* queue_work(system_bh_wq, &host->data_bh_work); */ } } #endif @@ -854,7 +855,7 @@ static void au1xmmc_dbdma_callback(int irq, void *dev_id) if (host->flags & HOST_F_STOP) SEND_STOP(host); - tasklet_schedule(&host->data_task); + queue_work(system_bh_wq, &host->data_bh_work); } static int au1xmmc_dbdma_init(struct au1xmmc_host *host) @@ -1039,9 +1040,9 @@ static int au1xmmc_probe(struct platform_device *pdev) if (host->platdata) mmc->caps &= ~(host->platdata->mask_host_caps); - tasklet_setup(&host->data_task, au1xmmc_tasklet_data); + INIT_WORK(&host->data_bh_work, au1xmmc_data_bh_work); - tasklet_setup(&host->finish_task, au1xmmc_tasklet_finish); + INIT_WORK(&host->finish_bh_work, au1xmmc_finish_bh_work); if (has_dbdma()) { ret = au1xmmc_dbdma_init(host); @@ -1091,8 +1092,8 @@ out5: if (host->flags & HOST_F_DBDMA) au1xmmc_dbdma_shutdown(host); - tasklet_kill(&host->data_task); - tasklet_kill(&host->finish_task); + cancel_work_sync(&host->data_bh_work); + cancel_work_sync(&host->finish_bh_work); if (host->platdata && host->platdata->cd_setup && !(mmc->caps & MMC_CAP_NEEDS_POLL)) @@ -1135,8 +1136,8 @@ static void au1xmmc_remove(struct platform_device *pdev) __raw_writel(0, HOST_CONFIG2(host)); wmb(); /* drain writebuffer */ - tasklet_kill(&host->data_task); - tasklet_kill(&host->finish_task); + cancel_work_sync(&host->data_bh_work); + cancel_work_sync(&host->finish_bh_work); if (host->flags & HOST_F_DBDMA) au1xmmc_dbdma_shutdown(host); |