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-rw-r--r--drivers/mmc/host/renesas_sdhi.h4
-rw-r--r--drivers/mmc/host/renesas_sdhi_core.c2
-rw-r--r--drivers/mmc/host/renesas_sdhi_internal_dmac.c26
-rw-r--r--drivers/mmc/host/renesas_sdhi_sys_dmac.c9
-rw-r--r--drivers/mmc/host/tmio_mmc.h3
-rw-r--r--drivers/mmc/host/tmio_mmc_core.c4
6 files changed, 26 insertions, 22 deletions
diff --git a/drivers/mmc/host/renesas_sdhi.h b/drivers/mmc/host/renesas_sdhi.h
index 586f94d4dbfd..f12a87442338 100644
--- a/drivers/mmc/host/renesas_sdhi.h
+++ b/drivers/mmc/host/renesas_sdhi.h
@@ -11,6 +11,7 @@
#include <linux/dmaengine.h>
#include <linux/platform_device.h>
+#include <linux/workqueue.h>
#include "tmio_mmc.h"
struct renesas_sdhi_scc {
@@ -67,7 +68,7 @@ struct renesas_sdhi_dma {
dma_filter_fn filter;
void (*enable)(struct tmio_mmc_host *host, bool enable);
struct completion dma_dataend;
- struct tasklet_struct dma_complete;
+ struct work_struct dma_complete;
};
struct renesas_sdhi {
@@ -93,6 +94,7 @@ struct renesas_sdhi {
unsigned int tap_set;
struct reset_control *rstc;
+ struct tmio_mmc_host *host;
};
#define host_to_priv(host) \
diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c
index 58536626e6c5..04874791541f 100644
--- a/drivers/mmc/host/renesas_sdhi_core.c
+++ b/drivers/mmc/host/renesas_sdhi_core.c
@@ -970,6 +970,8 @@ int renesas_sdhi_probe(struct platform_device *pdev,
if (IS_ERR(host))
return PTR_ERR(host);
+ priv->host = host;
+
if (of_data) {
mmc_data->flags |= of_data->tmio_flags;
mmc_data->ocr_mask = of_data->tmio_ocr_mask;
diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
index 422fa63a2e99..d4b66daeda66 100644
--- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c
+++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
@@ -337,7 +337,7 @@ static bool renesas_sdhi_internal_dmac_dma_irq(struct tmio_mmc_host *host)
writel(status ^ dma_irqs, host->ctl + DM_CM_INFO1);
set_bit(SDHI_DMA_END_FLAG_DMA, &dma_priv->end_flags);
if (test_bit(SDHI_DMA_END_FLAG_ACCESS, &dma_priv->end_flags))
- tasklet_schedule(&dma_priv->dma_complete);
+ queue_work(system_bh_wq, &dma_priv->dma_complete);
}
return status & dma_irqs;
@@ -352,7 +352,7 @@ renesas_sdhi_internal_dmac_dataend_dma(struct tmio_mmc_host *host)
set_bit(SDHI_DMA_END_FLAG_ACCESS, &dma_priv->end_flags);
if (test_bit(SDHI_DMA_END_FLAG_DMA, &dma_priv->end_flags) ||
host->data->error)
- tasklet_schedule(&dma_priv->dma_complete);
+ queue_work(system_bh_wq, &dma_priv->dma_complete);
}
/*
@@ -440,9 +440,9 @@ force_pio:
renesas_sdhi_internal_dmac_enable_dma(host, false);
}
-static void renesas_sdhi_internal_dmac_issue_tasklet_fn(unsigned long arg)
+static void renesas_sdhi_internal_dmac_issue_work_fn(struct work_struct *work)
{
- struct tmio_mmc_host *host = (struct tmio_mmc_host *)arg;
+ struct tmio_mmc_host *host = from_work(host, work, dma_issue);
struct renesas_sdhi *priv = host_to_priv(host);
tmio_mmc_enable_mmc_irqs(host, TMIO_STAT_DATAEND);
@@ -454,7 +454,7 @@ static void renesas_sdhi_internal_dmac_issue_tasklet_fn(unsigned long arg)
/* on CMD errors, simulate DMA end immediately */
set_bit(SDHI_DMA_END_FLAG_DMA, &priv->dma_priv.end_flags);
if (test_bit(SDHI_DMA_END_FLAG_ACCESS, &priv->dma_priv.end_flags))
- tasklet_schedule(&priv->dma_priv.dma_complete);
+ queue_work(system_bh_wq, &priv->dma_priv.dma_complete);
}
}
@@ -484,9 +484,11 @@ static bool renesas_sdhi_internal_dmac_complete(struct tmio_mmc_host *host)
return true;
}
-static void renesas_sdhi_internal_dmac_complete_tasklet_fn(unsigned long arg)
+static void renesas_sdhi_internal_dmac_complete_work_fn(struct work_struct *work)
{
- struct tmio_mmc_host *host = (struct tmio_mmc_host *)arg;
+ struct renesas_sdhi_dma *dma_priv = from_work(dma_priv, work, dma_complete);
+ struct renesas_sdhi *priv = container_of(dma_priv, typeof(*priv), dma_priv);
+ struct tmio_mmc_host *host = priv->host;
spin_lock_irq(&host->lock);
if (!renesas_sdhi_internal_dmac_complete(host))
@@ -544,12 +546,10 @@ renesas_sdhi_internal_dmac_request_dma(struct tmio_mmc_host *host,
/* Each value is set to non-zero to assume "enabling" each DMA */
host->chan_rx = host->chan_tx = (void *)0xdeadbeaf;
- tasklet_init(&priv->dma_priv.dma_complete,
- renesas_sdhi_internal_dmac_complete_tasklet_fn,
- (unsigned long)host);
- tasklet_init(&host->dma_issue,
- renesas_sdhi_internal_dmac_issue_tasklet_fn,
- (unsigned long)host);
+ INIT_WORK(&priv->dma_priv.dma_complete,
+ renesas_sdhi_internal_dmac_complete_work_fn);
+ INIT_WORK(&host->dma_issue,
+ renesas_sdhi_internal_dmac_issue_work_fn);
/* Add pre_req and post_req */
host->ops.pre_req = renesas_sdhi_internal_dmac_pre_req;
diff --git a/drivers/mmc/host/renesas_sdhi_sys_dmac.c b/drivers/mmc/host/renesas_sdhi_sys_dmac.c
index 9cf7f9feab72..5a6f41318645 100644
--- a/drivers/mmc/host/renesas_sdhi_sys_dmac.c
+++ b/drivers/mmc/host/renesas_sdhi_sys_dmac.c
@@ -312,9 +312,9 @@ static void renesas_sdhi_sys_dmac_start_dma(struct tmio_mmc_host *host,
}
}
-static void renesas_sdhi_sys_dmac_issue_tasklet_fn(unsigned long priv)
+static void renesas_sdhi_sys_dmac_issue_work_fn(struct work_struct *work)
{
- struct tmio_mmc_host *host = (struct tmio_mmc_host *)priv;
+ struct tmio_mmc_host *host = from_work(host, work, dma_issue);
struct dma_chan *chan = NULL;
spin_lock_irq(&host->lock);
@@ -401,9 +401,8 @@ static void renesas_sdhi_sys_dmac_request_dma(struct tmio_mmc_host *host,
goto ebouncebuf;
init_completion(&priv->dma_priv.dma_dataend);
- tasklet_init(&host->dma_issue,
- renesas_sdhi_sys_dmac_issue_tasklet_fn,
- (unsigned long)host);
+ INIT_WORK(&host->dma_issue,
+ renesas_sdhi_sys_dmac_issue_work_fn);
}
renesas_sdhi_sys_dmac_enable_dma(host, true);
diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
index 2af5730c21f4..a75755f31d31 100644
--- a/drivers/mmc/host/tmio_mmc.h
+++ b/drivers/mmc/host/tmio_mmc.h
@@ -21,6 +21,7 @@
#include <linux/scatterlist.h>
#include <linux/spinlock.h>
#include <linux/interrupt.h>
+#include <linux/workqueue.h>
#define CTL_SD_CMD 0x00
#define CTL_ARG_REG 0x04
@@ -153,7 +154,7 @@ struct tmio_mmc_host {
bool dma_on;
struct dma_chan *chan_rx;
struct dma_chan *chan_tx;
- struct tasklet_struct dma_issue;
+ struct work_struct dma_issue;
struct scatterlist bounce_sg;
u8 *bounce_buf;
diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c
index 2780f0a29871..b61a6310311d 100644
--- a/drivers/mmc/host/tmio_mmc_core.c
+++ b/drivers/mmc/host/tmio_mmc_core.c
@@ -608,7 +608,7 @@ static void tmio_mmc_cmd_irq(struct tmio_mmc_host *host, unsigned int stat)
} else {
tmio_mmc_disable_mmc_irqs(host,
TMIO_MASK_READOP);
- tasklet_schedule(&host->dma_issue);
+ queue_work(system_bh_wq, &host->dma_issue);
}
} else {
if (!host->dma_on) {
@@ -616,7 +616,7 @@ static void tmio_mmc_cmd_irq(struct tmio_mmc_host *host, unsigned int stat)
} else {
tmio_mmc_disable_mmc_irqs(host,
TMIO_MASK_WRITEOP);
- tasklet_schedule(&host->dma_issue);
+ queue_work(system_bh_wq, &host->dma_issue);
}
}
} else {