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path: root/drivers/mmc
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Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/core/host.c2
-rw-r--r--drivers/mmc/core/sdio_irq.c16
-rw-r--r--drivers/mmc/core/sdio_ops.h2
3 files changed, 20 insertions, 0 deletions
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index 3f8c85d5aa09..8823c97a7b38 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -30,6 +30,7 @@
#include "host.h"
#include "slot-gpio.h"
#include "pwrseq.h"
+#include "sdio_ops.h"
#define cls_dev_to_mmc_host(d) container_of(d, struct mmc_host, class_dev)
@@ -379,6 +380,7 @@ struct mmc_host *mmc_alloc_host(int extra, struct device *dev)
spin_lock_init(&host->lock);
init_waitqueue_head(&host->wq);
INIT_DELAYED_WORK(&host->detect, mmc_rescan);
+ INIT_DELAYED_WORK(&host->sdio_irq_work, sdio_irq_work);
setup_timer(&host->retune_timer, mmc_retune_timer, (unsigned long)host);
/*
diff --git a/drivers/mmc/core/sdio_irq.c b/drivers/mmc/core/sdio_irq.c
index 44d9c86bd2d4..c771843e4c15 100644
--- a/drivers/mmc/core/sdio_irq.c
+++ b/drivers/mmc/core/sdio_irq.c
@@ -98,11 +98,27 @@ void sdio_run_irqs(struct mmc_host *host)
if (host->sdio_irqs) {
host->sdio_irq_pending = true;
process_sdio_pending_irqs(host);
+ if (host->ops->ack_sdio_irq)
+ host->ops->ack_sdio_irq(host);
}
mmc_release_host(host);
}
EXPORT_SYMBOL_GPL(sdio_run_irqs);
+void sdio_irq_work(struct work_struct *work)
+{
+ struct mmc_host *host =
+ container_of(work, struct mmc_host, sdio_irq_work.work);
+
+ sdio_run_irqs(host);
+}
+
+void sdio_signal_irq(struct mmc_host *host)
+{
+ queue_delayed_work(system_wq, &host->sdio_irq_work, 0);
+}
+EXPORT_SYMBOL_GPL(sdio_signal_irq);
+
static int sdio_irq_thread(void *_host)
{
struct mmc_host *host = _host;
diff --git a/drivers/mmc/core/sdio_ops.h b/drivers/mmc/core/sdio_ops.h
index ee35cb4d170e..96945cafbf0b 100644
--- a/drivers/mmc/core/sdio_ops.h
+++ b/drivers/mmc/core/sdio_ops.h
@@ -17,6 +17,7 @@
struct mmc_host;
struct mmc_card;
+struct work_struct;
int mmc_send_io_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr);
int mmc_io_rw_direct(struct mmc_card *card, int write, unsigned fn,
@@ -25,6 +26,7 @@ int mmc_io_rw_extended(struct mmc_card *card, int write, unsigned fn,
unsigned addr, int incr_addr, u8 *buf, unsigned blocks, unsigned blksz);
int sdio_reset(struct mmc_host *host);
unsigned int mmc_align_data_size(struct mmc_card *card, unsigned int sz);
+void sdio_irq_work(struct work_struct *work);
static inline bool sdio_is_io_busy(u32 opcode, u32 arg)
{