Bhaumik BhattandGreg Kroah-Hartman ce16274a6b bus: mhi: host: Add spinlock to protect WP access when queueing TREs ...

commit b89b6a863d upstream.

Protect WP accesses such that multiple threads queueing buffers for
incoming data do not race.

Meanwhile, if CONFIG_TRACE_IRQFLAGS is enabled, irq will be enabled once
__local_bh_enable_ip is called as part of write_unlock_bh. Hence, let's
take irqsave lock after TRE is generated to avoid running write_unlock_bh
when irqsave lock is held.

Cc: stable@vger.kernel.org
Fixes: 189ff97cca ("bus: mhi: core: Add support for data transfer")
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Qiang Yu <quic_qianyu@quicinc.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Tested-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1702276972-41296-2-git-send-email-quic_qianyu@quicinc.com
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2024-01-31 16:18:52 -08:00

..

fsl-mc

Merge tag 'soc-arm-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

2023-08-30 16:49:40 -07:00

mhi

bus: mhi: host: Add spinlock to protect WP access when queueing TREs

2024-01-31 16:18:52 -08:00

arm-cci.c

…

arm-integrator-lm.c

bus: arm-integrator-lm: remove MODULE_LICENSE in non-modules

2023-04-13 13:13:50 -07:00

brcmstb_gisb.c

…

bt1-apb.c

bus: remove MODULE_LICENSE in non-modules

2023-04-13 13:13:53 -07:00

bt1-axi.c

bus: remove MODULE_LICENSE in non-modules

2023-04-13 13:13:53 -07:00

da8xx-mstpri.c

…

hisi_lpc.c

bus: Explicitly include correct DT includes

2023-08-12 10:31:01 +02:00

imx-weim.c

bus: imx-weim: use devm_platform_ioremap_resource

2023-07-19 10:14:11 +08:00

intel-ixp4xx-eb.c

bus: ixp4xx: fix IXP4XX_EXP_T1_MASK

2023-07-05 22:22:55 +02:00

Kconfig

bus: ti-sysc: Build driver for TI K3 SoCs

2023-08-10 09:21:45 +03:00

Makefile

…

mips_cdmm.c

…

moxtet.c

bus: moxtet: Add spi device table

2024-01-20 11:51:47 +01:00

mvebu-mbus.c

bus: mvebu-mbus: Remove open coded "ranges" parsing

2023-04-18 11:18:24 -05:00

omap_l3_noc.c

…

omap_l3_noc.h

…

omap_l3_smx.c

Merge tag 'soc-arm-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

2023-08-30 16:49:40 -07:00

omap_l3_smx.h

…

omap-ocp2scp.c

…

qcom-ebi2.c

bus: qcom: remove MODULE_LICENSE in non-modules

2023-04-13 13:13:50 -07:00

qcom-ssc-block-bus.c

bus: remove MODULE_LICENSE in non-modules

2023-04-13 13:13:50 -07:00

simple-pm-bus.c

bus: Explicitly include correct DT includes

2023-08-12 10:31:01 +02:00

sun50i-de2.c

…

sunxi-rsb.c

Merge tag 'soc-arm-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

2023-08-30 16:49:40 -07:00

tegra-aconnect.c

…

tegra-gmi.c

bus: tegra-gmi: Convert to devm_platform_ioremap_resource()

2023-07-21 17:27:33 +02:00

ti-pwmss.c

bus: Explicitly include correct DT includes

2023-08-12 10:31:01 +02:00

ti-sysc.c

bus: ti-sysc: Flush posted write only after srst_udelay

2024-01-01 12:42:46 +00:00

ts-nbus.c

…

uniphier-system-bus.c

…

vexpress-config.c

bus: vexpress-config: Convert to devm_platform_ioremap_resource()

2023-07-13 14:38:44 +01:00