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authorAllen Pais <allen.lkml@gmail.com>2020-08-31 16:05:16 +0530
committerVinod Koul <vkoul@kernel.org>2020-09-18 12:19:06 +0530
commit3b8040de1282c58ca6915b3311f6cbe54fb5c629 (patch)
treef6a5faced3522e8998a4e56b9dba498030862d20 /drivers/dma/ioat
parentcce010a5320967424ceaa7f23aa6d7cf1eb1aff9 (diff)
dmaengine: ioat: convert tasklets to use new tasklet_setup() API
In preparation for unconditionally passing the struct tasklet_struct pointer to all tasklet callbacks, switch to using the new tasklet_setup() and from_tasklet() to pass the tasklet pointer explicitly. Signed-off-by: Romain Perier <romain.perier@gmail.com> Signed-off-by: Allen Pais <allen.lkml@gmail.com> Acked-by: Dave Jiang <dave.jiang@intel.com> Link: https://lore.kernel.org/r/20200831103542.305571-10-allen.lkml@gmail.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/ioat')
-rw-r--r--drivers/dma/ioat/dma.c6
-rw-r--r--drivers/dma/ioat/dma.h2
-rw-r--r--drivers/dma/ioat/init.c4
3 files changed, 5 insertions, 7 deletions
diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c
index a814b200299b..bfcf67febfe6 100644
--- a/drivers/dma/ioat/dma.c
+++ b/drivers/dma/ioat/dma.c
@@ -165,7 +165,7 @@ void ioat_stop(struct ioatdma_chan *ioat_chan)
tasklet_kill(&ioat_chan->cleanup_task);
/* final cleanup now that everything is quiesced and can't re-arm */
- ioat_cleanup_event((unsigned long)&ioat_chan->dma_chan);
+ ioat_cleanup_event(&ioat_chan->cleanup_task);
}
static void __ioat_issue_pending(struct ioatdma_chan *ioat_chan)
@@ -690,9 +690,9 @@ static void ioat_cleanup(struct ioatdma_chan *ioat_chan)
spin_unlock_bh(&ioat_chan->cleanup_lock);
}
-void ioat_cleanup_event(unsigned long data)
+void ioat_cleanup_event(struct tasklet_struct *t)
{
- struct ioatdma_chan *ioat_chan = to_ioat_chan((void *)data);
+ struct ioatdma_chan *ioat_chan = from_tasklet(ioat_chan, t, cleanup_task);
ioat_cleanup(ioat_chan);
if (!test_bit(IOAT_RUN, &ioat_chan->state))
diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h
index f7f31fdf14cf..140cfe3782fb 100644
--- a/drivers/dma/ioat/dma.h
+++ b/drivers/dma/ioat/dma.h
@@ -393,7 +393,7 @@ int ioat_reset_hw(struct ioatdma_chan *ioat_chan);
enum dma_status
ioat_tx_status(struct dma_chan *c, dma_cookie_t cookie,
struct dma_tx_state *txstate);
-void ioat_cleanup_event(unsigned long data);
+void ioat_cleanup_event(struct tasklet_struct *t);
void ioat_timer_event(struct timer_list *t);
int ioat_check_space_lock(struct ioatdma_chan *ioat_chan, int num_descs);
void ioat_issue_pending(struct dma_chan *chan);
diff --git a/drivers/dma/ioat/init.c b/drivers/dma/ioat/init.c
index 8a53f5c96b16..191b59279007 100644
--- a/drivers/dma/ioat/init.c
+++ b/drivers/dma/ioat/init.c
@@ -767,8 +767,6 @@ ioat_init_channel(struct ioatdma_device *ioat_dma,
struct ioatdma_chan *ioat_chan, int idx)
{
struct dma_device *dma = &ioat_dma->dma_dev;
- struct dma_chan *c = &ioat_chan->dma_chan;
- unsigned long data = (unsigned long) c;
ioat_chan->ioat_dma = ioat_dma;
ioat_chan->reg_base = ioat_dma->reg_base + (0x80 * (idx + 1));
@@ -778,7 +776,7 @@ ioat_init_channel(struct ioatdma_device *ioat_dma,
list_add_tail(&ioat_chan->dma_chan.device_node, &dma->channels);
ioat_dma->idx[idx] = ioat_chan;
timer_setup(&ioat_chan->timer, ioat_timer_event, 0);
- tasklet_init(&ioat_chan->cleanup_task, ioat_cleanup_event, data);
+ tasklet_setup(&ioat_chan->cleanup_task, ioat_cleanup_event);
}
#define IOAT_NUM_SRC_TEST 6 /* must be <= 8 */