linux/drivers/bus
Qiang Yu 8b4d0f3890 bus: mhi: host: Skip MHI reset if device is in RDDM
commit cabce92dd8 upstream.

In RDDM EE, device can not process MHI reset issued by host. In case of MHI
power off, host is issuing MHI reset and polls for it to get cleared until
it times out. Since this timeout can not be avoided in case of RDDM, skip
the MHI reset in this scenarios.

Cc: <stable@vger.kernel.org>
Fixes: a6e2e3522f ("bus: mhi: core: Add support for PM state transitions")
Signed-off-by: Qiang Yu <quic_qianyu@quicinc.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://lore.kernel.org/r/1684390959-17836-1-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>
History 2023-09-19 12:27:58 +02:00
..
fsl-mc bus: fsl-mc: don't assume child devices are all fsl-mc devices 2023-07-19 16:21:57 +02:00
mhi bus: mhi: host: Skip MHI reset if device is in RDDM 2023-09-19 12:27:58 +02:00
arm-cci.c bus: arm-cci: remove unnecessary unreachable() 2018-05-14 01:22:49 -07:00
arm-integrator-lm.c bus: arm-integrator-lm: Add of_node_put() before return statement 2021-01-15 17:53:05 +01:00
brcmstb_gisb.c bus: brcmstb_gisb: Remove the suppress_bind_attrs attribute of the driver 2022-04-26 09:12:45 -07:00
bt1-apb.c bus: bt1-apb: Don't print error on -EPROBE_DEFER 2022-06-14 12:21:44 +02:00
bt1-axi.c bus: bt1-axi: Don't print error on -EPROBE_DEFER 2022-06-14 12:21:44 +02:00
da8xx-mstpri.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
hisi_lpc.c bus: hisi_lpc: Use platform_device_register_full() 2022-09-08 02:27:29 +00:00
imx-weim.c treewide: Fix probing of devices in DT overlays 2023-09-13 09:43:05 +02:00
intel-ixp4xx-eb.c bus: ixp4xx: fix IXP4XX_EXP_T1_MASK 2023-07-23 13:49:43 +02:00
Kconfig bus: add driver for initializing the SSC bus on (some) qcom SoCs 2022-04-19 13:03:57 -05:00
Makefile bus: add driver for initializing the SSC bus on (some) qcom SoCs 2022-04-19 13:03:57 -05:00
mips_cdmm.c mips: cdmm: Fix refcount leak in mips_cdmm_phys_base 2022-03-14 15:01:51 +01:00
moxtet.c spi: make remove callback a void function 2022-02-09 13:00:45 +00:00
mvebu-mbus.c bus: mvebu-mbus: use DEFINE_SHOW_ATTRIBUTE to simplify mvebu_{sdram/devs}_debug 2022-09-24 14:59:26 +02:00
omap-ocp2scp.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
omap_l3_noc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_320.RULE 2022-06-10 14:51:36 +02:00
omap_l3_noc.h treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_320.RULE 2022-06-10 14:51:36 +02:00
omap_l3_smx.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
omap_l3_smx.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
qcom-ebi2.c bus: qcom-ebi2: Fix incorrect documentation for '{slow,fast}_cfg' 2021-05-26 21:19:23 -05:00
qcom-ssc-block-bus.c bus: add driver for initializing the SSC bus on (some) qcom SoCs 2022-04-19 13:03:57 -05:00
simple-pm-bus.c drivers: bus: simple-pm-bus: Add support for probing simple bus only devices 2021-10-05 17:47:15 +02:00
sun50i-de2.c bus: sun50i-de2: Adjust printing error message 2021-10-13 14:48:48 +02:00
sunxi-rsb.c bus: sunxi-rsb: Fix error handling in sunxi_rsb_init() 2023-02-09 11:27:59 +01:00
tegra-aconnect.c bus: tegra-aconnect: add system sleep callbacks 2019-03-28 17:26:14 +01:00
tegra-gmi.c treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_56.RULE (part 2) 2022-06-10 14:51:35 +02:00
ti-pwmss.c bus/ti-pwmss: move TI PWMSS driver from PWM to bus subsystem 2019-10-17 21:17:42 +01:00
ti-sysc.c bus: ti-sysc: Fix cast to enum warning 2023-09-13 09:42:43 +02:00
ts-nbus.c treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_56.RULE (part 2) 2022-06-10 14:51:35 +02:00
uniphier-system-bus.c bus: uniphier-system-bus: use devm_platform_ioremap_resource() 2019-09-05 17:57:18 +02:00
vexpress-config.c bus: vexpress-config: Support building as module 2020-05-13 12:42:46 -05:00