summaryrefslogtreecommitdiff
path: root/drivers/dma
diff options
context:
space:
mode:
authorKees Cook <keescook@chromium.org>2017-10-24 03:02:23 -0700
committerVinod Koul <vinod.koul@intel.com>2017-10-24 20:11:21 +0530
commitbcdc4bd356c76a5bab2f480a73f089dc8e0e4e89 (patch)
tree25485f6f1431675c5501885a83b467200f58d066 /drivers/dma
parent2bd6bf03f4c1c59381d62c61d03f6cc3fe71f66e (diff)
dmaengine: Convert timers to use timer_setup()
In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/imx-dma.c8
-rw-r--r--drivers/dma/ioat/dma.c6
-rw-r--r--drivers/dma/ioat/dma.h3
-rw-r--r--drivers/dma/ioat/init.c2
4 files changed, 8 insertions, 11 deletions
diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c
index f681df8f0ed3..331f863c605e 100644
--- a/drivers/dma/imx-dma.c
+++ b/drivers/dma/imx-dma.c
@@ -364,9 +364,9 @@ static void imxdma_disable_hw(struct imxdma_channel *imxdmac)
local_irq_restore(flags);
}
-static void imxdma_watchdog(unsigned long data)
+static void imxdma_watchdog(struct timer_list *t)
{
- struct imxdma_channel *imxdmac = (struct imxdma_channel *)data;
+ struct imxdma_channel *imxdmac = from_timer(imxdmac, t, watchdog);
struct imxdma_engine *imxdma = imxdmac->imxdma;
int channel = imxdmac->channel;
@@ -1153,9 +1153,7 @@ static int __init imxdma_probe(struct platform_device *pdev)
}
imxdmac->irq = irq + i;
- init_timer(&imxdmac->watchdog);
- imxdmac->watchdog.function = &imxdma_watchdog;
- imxdmac->watchdog.data = (unsigned long)imxdmac;
+ timer_setup(&imxdmac->watchdog, imxdma_watchdog, 0);
}
imxdmac->imxdma = imxdma;
diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c
index f70cc74032ea..58d4ccd33672 100644
--- a/drivers/dma/ioat/dma.c
+++ b/drivers/dma/ioat/dma.c
@@ -474,7 +474,7 @@ int ioat_check_space_lock(struct ioatdma_chan *ioat_chan, int num_descs)
if (time_is_before_jiffies(ioat_chan->timer.expires)
&& timer_pending(&ioat_chan->timer)) {
mod_timer(&ioat_chan->timer, jiffies + COMPLETION_TIMEOUT);
- ioat_timer_event((unsigned long)ioat_chan);
+ ioat_timer_event(&ioat_chan->timer);
}
return -ENOMEM;
@@ -862,9 +862,9 @@ static void check_active(struct ioatdma_chan *ioat_chan)
mod_timer(&ioat_chan->timer, jiffies + IDLE_TIMEOUT);
}
-void ioat_timer_event(unsigned long data)
+void ioat_timer_event(struct timer_list *t)
{
- struct ioatdma_chan *ioat_chan = to_ioat_chan((void *)data);
+ struct ioatdma_chan *ioat_chan = from_timer(ioat_chan, t, timer);
dma_addr_t phys_complete;
u64 status;
diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h
index 56200eefcf5e..1ab42ec2b7ff 100644
--- a/drivers/dma/ioat/dma.h
+++ b/drivers/dma/ioat/dma.h
@@ -406,10 +406,9 @@ 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_timer_event(unsigned long data);
+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);
-void ioat_timer_event(unsigned long data);
/* IOAT Init functions */
bool is_bwd_ioat(struct pci_dev *pdev);
diff --git a/drivers/dma/ioat/init.c b/drivers/dma/ioat/init.c
index 93e006c3441d..2f31d3d0caa6 100644
--- a/drivers/dma/ioat/init.c
+++ b/drivers/dma/ioat/init.c
@@ -760,7 +760,7 @@ ioat_init_channel(struct ioatdma_device *ioat_dma,
dma_cookie_init(&ioat_chan->dma_chan);
list_add_tail(&ioat_chan->dma_chan.device_node, &dma->channels);
ioat_dma->idx[idx] = ioat_chan;
- setup_timer(&ioat_chan->timer, ioat_timer_event, data);
+ timer_setup(&ioat_chan->timer, ioat_timer_event, 0);
tasklet_init(&ioat_chan->cleanup_task, ioat_cleanup_event, data);
}