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arm-bsp/linux-yocto: fvp-base: remove fvp-timer.cfg

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The fvp-timer.cfg enables two modules for the SP804 and SP810 devices.
These are older pieces of hardware that predate the architectural timer
in modern systems, so even if the drivers are built they will not be used
by the kernel.

Whilst this is a good reason to remove them, another reason is that the
SP804 driver is incorrectly defined in the Kconfig so it can only be
built if a machine selects it explicitly (for arm64, only ARCH_BCM2835
and ARCH_HISI do this) or if COMPILE_TEST is enabled.

This led to COMPILE_TEST being enabled so that this driver can be built.
However, COMPILE_TEST does more, notably it turns on COMPILE_WERROR which
then makes any compile warnings fatal.  This is inconvenient, especially
when compiler upgrades happen.

Remove the timer configuration entirely: the architectural timer is used
so this is entirely redundant.

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Jon Mason <jon.mason@arm.com>
This commit is contained in:
Ross Burton
2024-05-22 13:32:42 +00:00
committed by Jon Mason
parent 20966db076
commit 1f0a39b837
2 changed files with 0 additions and 5 deletions
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meta-arm-bsp/recipes-kernel/linux/arm-platforms-kmeta/bsp/arm-platforms/fvp.scc
-1
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@@ -9,5 +9,4 @@ kconf hardware fvp/fvp-rtc.cfg
kconf hardware fvp/fvp-serial.cfg
kconf hardware fvp/fvp-cfi.cfg
kconf hardware fvp/fvp-drm.cfg
kconf hardware fvp/fvp-timer.cfg
kconf hardware fvp/fvp-watchdog.cfg
meta-arm-bsp/recipes-kernel/linux/arm-platforms-kmeta/bsp/arm-platforms/fvp/fvp-timer.cfg
-4
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@@ -1,4 +0,0 @@
# Dual timer module
CONFIG_COMPILE_TEST=y
CONFIG_ARM_TIMER_SP804=y
CONFIG_CLK_SP810=y