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qoriq: enable Book-E Watchdog Timer

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Enable PowerPC Book-E Watchdog Timer support. Having this enabled
in-kernel will result in procd starting it during boot.

This effectively solves the problem of the WDT in the Winbond W83793 chip
potentially resetting the system during sysupgrade, which could result
in an unbootable device. While the driver is modular, resulting in procd
not starting the WDT during boot (because that happens before kmod
load), the WDT handover during sysupgrade results in the WDT being
started. This normally shouldn't be a problem, but the W83793 WDT does
not like procd's defaults, nor the handover happening during sysupgrade.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
(cherry picked from commit 04071cb111)
This commit is contained in:
Stijn Tintel
2022-07-01 16:17:37 +03:00
parent 85b5bad5a1
commit 7d6b8f5bdf
1 changed files with 2 additions and 0 deletions
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2
target/linux/qoriq/config-5.10
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@@ -23,6 +23,7 @@ CONFIG_BLK_MQ_PCI=y
CONFIG_BLK_PM=y
CONFIG_BLK_SCSI_REQUEST=y
CONFIG_BOOKE=y
CONFIG_BOOKE_WDT=y
CONFIG_CLKDEV_LOOKUP=y
CONFIG_CLK_QORIQ=y
CONFIG_CLONE_BACKWARDS=y
@@ -383,6 +384,7 @@ CONFIG_VIRT_CPU_ACCOUNTING_NATIVE=y
CONFIG_VT=y
CONFIG_VT_CONSOLE=y
# CONFIG_VT_HW_CONSOLE_BINDING is not set
CONFIG_WATCHDOG_CORE=y
# CONFIG_WQ_POWER_EFFICIENT_DEFAULT is not set
CONFIG_XPS=y
CONFIG_ZLIB_DEFLATE=y