diff options
| author | Vignesh Raghavendra <vigneshr@ti.com> | 2022-08-19 18:27:22 +0530 |
|---|---|---|
| committer | Vignesh Raghavendra <vigneshr@ti.com> | 2022-08-19 18:27:22 +0530 |
| commit | bcfe86c4d59ad129b36c2ca03af289e372cea00f (patch) | |
| tree | 1ed01f317245f815386181ffcc7503f1bf5c7e9f /drivers/mailbox | |
| parent | 2176e1735b744c2b002b8c86ca748483c5f7cf0c (diff) | |
| parent | 8f95261a006489c828f1d909355669875649668b (diff) | |
Merge tag 'v5.10.131' of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux into ti-linux-5.10.y-cicd
This is the 5.10.131 stable release
* tag 'v5.10.131' of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux: (988 commits)
Linux 5.10.131
Revert "mtd: rawnand: gpmi: Fix setting busy timeout setting"
Linux 5.10.130
dmaengine: ti: Add missing put_device in ti_dra7_xbar_route_allocate
dmaengine: ti: Fix refcount leak in ti_dra7_xbar_route_allocate
dmaengine: at_xdma: handle errors of at_xdmac_alloc_desc() correctly
dmaengine: pl330: Fix lockdep warning about non-static key
ida: don't use BUG_ON() for debugging
dt-bindings: dma: allwinner,sun50i-a64-dma: Fix min/max typo
misc: rtsx_usb: set return value in rsp_buf alloc err path
misc: rtsx_usb: use separate command and response buffers
misc: rtsx_usb: fix use of dma mapped buffer for usb bulk transfer
dmaengine: imx-sdma: Allow imx8m for imx7 FW revs
i2c: cadence: Unregister the clk notifier in error path
r8169: fix accessing unset transport header
selftests: forwarding: fix error message in learning_test
selftests: forwarding: fix learning_test when h1 supports IFF_UNICAST_FLT
selftests: forwarding: fix flood_unicast_test when h2 supports IFF_UNICAST_FLT
ibmvnic: Properly dispose of all skbs during a failover.
i40e: Fix dropped jumbo frames statistics
...
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
# Conflicts:
# drivers/pci/controller/cadence/pcie-cadence-ep.c
Diffstat (limited to 'drivers/mailbox')
| -rw-r--r-- | drivers/mailbox/mailbox.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c index 3e7d4b20ab34..4229b9b5da98 100644 --- a/drivers/mailbox/mailbox.c +++ b/drivers/mailbox/mailbox.c @@ -82,11 +82,11 @@ static void msg_submit(struct mbox_chan *chan) exit: spin_unlock_irqrestore(&chan->lock, flags); - /* kick start the timer immediately to avoid delays */ if (!err && (chan->txdone_method & TXDONE_BY_POLL)) { - /* but only if not already active */ - if (!hrtimer_active(&chan->mbox->poll_hrt)) - hrtimer_start(&chan->mbox->poll_hrt, 0, HRTIMER_MODE_REL); + /* kick start the timer immediately to avoid delays */ + spin_lock_irqsave(&chan->mbox->poll_hrt_lock, flags); + hrtimer_start(&chan->mbox->poll_hrt, 0, HRTIMER_MODE_REL); + spin_unlock_irqrestore(&chan->mbox->poll_hrt_lock, flags); } } @@ -120,20 +120,26 @@ static enum hrtimer_restart txdone_hrtimer(struct hrtimer *hrtimer) container_of(hrtimer, struct mbox_controller, poll_hrt); bool txdone, resched = false; int i; + unsigned long flags; for (i = 0; i < mbox->num_chans; i++) { struct mbox_chan *chan = &mbox->chans[i]; if (chan->active_req && chan->cl) { - resched = true; txdone = chan->mbox->ops->last_tx_done(chan); if (txdone) tx_tick(chan, 0); + else + resched = true; } } if (resched) { - hrtimer_forward_now(hrtimer, ms_to_ktime(mbox->txpoll_period)); + spin_lock_irqsave(&mbox->poll_hrt_lock, flags); + if (!hrtimer_is_queued(hrtimer)) + hrtimer_forward_now(hrtimer, ms_to_ktime(mbox->txpoll_period)); + spin_unlock_irqrestore(&mbox->poll_hrt_lock, flags); + return HRTIMER_RESTART; } return HRTIMER_NORESTART; @@ -500,6 +506,7 @@ int mbox_controller_register(struct mbox_controller *mbox) hrtimer_init(&mbox->poll_hrt, CLOCK_MONOTONIC, HRTIMER_MODE_REL); mbox->poll_hrt.function = txdone_hrtimer; + spin_lock_init(&mbox->poll_hrt_lock); } for (i = 0; i < mbox->num_chans; i++) { |