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34539b442b
linux/drivers/bus
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Tony Lindgren 34539b442b bus: ti-sysc: Flush posted write on enable before reset 
The am335x devices started producing boot errors for resetting musb module
in because of subtle timing changes:

Unhandled fault: external abort on non-linefetch (0x1008)
...
sysc_poll_reset_sysconfig from sysc_reset+0x109/0x12
sysc_reset from sysc_probe+0xa99/0xeb0
...

The fix is to flush posted write after enable before reset during
probe. Note that some devices also need to specify the delay after enable
with ti,sysc-delay-us, but this is not needed for musb on am335x based on
my tests.

Reported-by: kernelci.org bot <bot@kernelci.org>
Closes: https://storage.kernelci.org/next/master/next-20230614/arm/multi_v7_defconfig+CONFIG_THUMB2_KERNEL=y/gcc-10/lab-cip/baseline-beaglebone-black.html
Fixes: 596e795569 ("bus: ti-sysc: Add support for software reset")
Signed-off-by: Tony Lindgren <tony@atomide.com>
2023-06-14 11:03:06 +03:00
..
fsl-mc driver core: bus: mark the struct bus_type for sysfs callbacks as constant 2023-03-23 13:20:40 +01:00
mhi bus: mhi: host: Use mhi_tryset_pm_state() for setting fw error state 2023-04-10 21:32:55 +05:30
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 bus: brcmstb_gisb: Use devm_platform_get_and_ioremap_resource() 2023-03-14 14:07:16 -07:00
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: hisi_lpc: Use platform_device_register_full() 2022-09-08 02:27:29 +00:00
imx-weim.c ARM: SoC drivers for v6.4 2023-04-25 12:02:16 -07:00
intel-ixp4xx-eb.c bus: ixp4xx: remove MODULE_LICENSE in non-modules 2023-04-13 13:13:50 -07:00
Kconfig Kconfig: introduce HAS_IOPORT option and select it as necessary 2023-04-05 22:15:19 +02:00
Makefile bus: add driver for initializing the SSC bus on (some) qcom SoCs 2022-04-19 13:03:57 -05:00
mips_cdmm.c driver core: make struct bus_type.uevent() take a const * 2023-01-27 13:45:52 +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: Remove open coded "ranges" parsing 2023-04-18 11:18:24 -05:00
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
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 drivers: bus: simple-pm-bus: remove MODULE_LICENSE in non-modules 2023-04-13 13:13:54 -07:00
sun50i-de2.c bus: sun50i-de2: Adjust printing error message 2021-10-13 14:48:48 +02:00
sunxi-rsb.c Driver core changes for 6.3-rc1 2023-02-24 12:58:55 -08:00
tegra-aconnect.c
tegra-gmi.c bus: tegra-gmi: Replace of_platform.h with explicit includes 2023-04-21 09:20:56 -05:00
ti-pwmss.c
ti-sysc.c bus: ti-sysc: Flush posted write on enable before reset 2023-06-14 11:03:06 +03:00
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: Remove open coded "ranges" parsing 2023-03-30 13:37:21 -05:00
vexpress-config.c bus: vexpress-config: Add explicit of_platform.h include 2023-04-13 09:34:01 +01:00