Pekka Pessi 8d3a7b2064 mailbox: tegra-hsp: Flush whole channel ...

commit 60de2d2dc284e0dd1c2c897d08625bde24ef3454 upstream.

The txdone can re-fill the mailbox. Keep polling the mailbox during the
flush until all the messages have been delivered.

This fixes an issue with the Tegra Combined UART (TCU) where output can
get truncated under high traffic load.

Signed-off-by: Pekka Pessi <ppessi@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Fixes: 91b1b1c3da8a ("mailbox: tegra-hsp: Add support for shared mailboxes")
Cc: stable@vger.kernel.org
Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2022-04-15 14:18:01 +02:00

..

arm_mhu.c

mailbox: arm_mhu: reorder header inclusion and drop unneeded ones

2019-07-10 23:08:43 -05:00

armada-37xx-rwtm-mailbox.c

mailbox: armada-37xx-rwtm: Use device-managed registration API

2019-09-17 00:38:43 -05:00

bcm2835-mailbox.c

…

bcm-flexrm-mailbox.c

- stm32: race fix by adding a spinlock

2019-07-14 16:36:51 -07:00

bcm-pdc-mailbox.c

Driver Core and debugfs changes for 5.3-rc1

2019-07-12 12:24:03 -07:00

hi3660-mailbox.c

…

hi6220-mailbox.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 285

2019-06-05 17:36:37 +02:00

imx-mailbox.c

mailbox: imx: Fix Tx doorbell shutdown path

2020-01-04 19:18:30 +01:00

Kconfig

mailbox: omap: Add support for TI K3 SoCs

2019-07-10 23:08:44 -05:00

mailbox-altera.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201

2019-05-30 11:29:52 -07:00

mailbox-sti.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152

2019-05-30 11:26:32 -07:00

mailbox-test.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152

2019-05-30 11:26:32 -07:00

mailbox-xgene-slimpro.c

…

mailbox.c

mailbox: avoid timer start from callback

2020-10-29 09:57:53 +01:00

mailbox.h

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500

2019-06-19 17:09:55 +02:00

Makefile

…

mtk-cmdq-mailbox.c

maiblox: mediatek: Fix handling of platform_get_irq() error

2020-10-29 09:57:52 +01:00

omap-mailbox.c

mailbox: omap: Add support for TI K3 SoCs

2019-07-10 23:08:44 -05:00

pcc.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157

2019-05-30 11:26:37 -07:00

pl320-ipc.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201

2019-05-30 11:29:52 -07:00

platform_mhu.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 285

2019-06-05 17:36:37 +02:00

qcom-apcs-ipc-mailbox.c

mailbox: qcom-apcs: fix max_register value

2019-09-17 00:54:29 -05:00

rockchip-mailbox.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288

2019-06-05 17:36:37 +02:00

stm32-ipcc.c

mailbox: stm32_ipcc: add spinlock to fix channels concurrent access

2019-07-10 23:08:43 -05:00

tegra-hsp.c

mailbox: tegra-hsp: Flush whole channel

2022-04-15 14:18:01 +02:00

ti-msgmgr.c

…

zynqmp-ipi-mailbox.c

mailbox: zynqmp-ipi: Fix NULL vs IS_ERR() check in zynqmp_ipi_mbox_probe()

2020-06-24 17:50:36 +02:00