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dmaengine: ioat: removing duplicate code from timeout handler

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moving duplicate code from timeout error handling to common
function.

Acked-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Leonid Ravich <Leonid.Ravich@emc.com>
Link: https://lore.kernel.org/r/1587589761-32690-1-git-send-email-leonid.ravich@dell.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Leonid Ravich 2020-04-23 00:09:16 +03:00 committed by Vinod Koul
parent a6e26648e6
commit 5a87c506ed
1 changed files with 19 additions and 26 deletions
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45
drivers/dma/ioat/dma.c
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@ -869,6 +869,23 @@ static void check_active(struct ioatdma_chan *ioat_chan)
mod_timer(&ioat_chan->timer, jiffies + IDLE_TIMEOUT);
}
static void ioat_reboot_chan(struct ioatdma_chan *ioat_chan)
{
spin_lock_bh(&ioat_chan->prep_lock);
set_bit(IOAT_CHAN_DOWN, &ioat_chan->state);
spin_unlock_bh(&ioat_chan->prep_lock);
ioat_abort_descs(ioat_chan);
dev_warn(to_dev(ioat_chan), "Reset channel...\n");
ioat_reset_hw(ioat_chan);
dev_warn(to_dev(ioat_chan), "Restart channel...\n");
ioat_restart_channel(ioat_chan);
spin_lock_bh(&ioat_chan->prep_lock);
clear_bit(IOAT_CHAN_DOWN, &ioat_chan->state);
spin_unlock_bh(&ioat_chan->prep_lock);
}
void ioat_timer_event(struct timer_list *t)
{
struct ioatdma_chan *ioat_chan = from_timer(ioat_chan, t, timer);
@ -891,19 +908,7 @@ void ioat_timer_event(struct timer_list *t)
if (test_bit(IOAT_RUN, &ioat_chan->state)) {
spin_lock_bh(&ioat_chan->cleanup_lock);
spin_lock_bh(&ioat_chan->prep_lock);
set_bit(IOAT_CHAN_DOWN, &ioat_chan->state);
spin_unlock_bh(&ioat_chan->prep_lock);
ioat_abort_descs(ioat_chan);
dev_warn(to_dev(ioat_chan), "Reset channel...\n");
ioat_reset_hw(ioat_chan);
dev_warn(to_dev(ioat_chan), "Restart channel...\n");
ioat_restart_channel(ioat_chan);
spin_lock_bh(&ioat_chan->prep_lock);
clear_bit(IOAT_CHAN_DOWN, &ioat_chan->state);
spin_unlock_bh(&ioat_chan->prep_lock);
ioat_reboot_chan(ioat_chan);
spin_unlock_bh(&ioat_chan->cleanup_lock);
}
@ -939,19 +944,7 @@ void ioat_timer_event(struct timer_list *t)
dev_dbg(to_dev(ioat_chan), "Active descriptors: %d\n",
ioat_ring_active(ioat_chan));
spin_lock_bh(&ioat_chan->prep_lock);
set_bit(IOAT_CHAN_DOWN, &ioat_chan->state);
spin_unlock_bh(&ioat_chan->prep_lock);
ioat_abort_descs(ioat_chan);
dev_warn(to_dev(ioat_chan), "Resetting channel...\n");
ioat_reset_hw(ioat_chan);
dev_warn(to_dev(ioat_chan), "Restarting channel...\n");
ioat_restart_channel(ioat_chan);
spin_lock_bh(&ioat_chan->prep_lock);
clear_bit(IOAT_CHAN_DOWN, &ioat_chan->state);
spin_unlock_bh(&ioat_chan->prep_lock);
ioat_reboot_chan(ioat_chan);
spin_unlock_bh(&ioat_chan->cleanup_lock);
return;
} else