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| author | Arnd Bergmann <arnd@arndb.de> | 2022-02-18 17:30:32 +0100 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2022-02-18 17:30:32 +0100 |
| commit | f159f2941db993d4356fbec5e5601c6c3fb470b3 (patch) | |
| tree | 0dde82b1df1a3f3ff0554558096e3ffde40d68ec /arch | |
| parent | Merge tag 'optee-fix2-for-v5.17' of git://git.linaro.org/people/jens.wiklande... (diff) | |
| parent | arm64: dts: juno: Remove GICv2m dma-range (diff) | |
| download | linux-f159f2941db993d4356fbec5e5601c6c3fb470b3.tar.xz linux-f159f2941db993d4356fbec5e5601c6c3fb470b3.zip | |
Merge tag 'juno-fix-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes
Arm Juno fix for v5.17
Just a single fix to address coherency issue reported[1] by removing the
GICv2m address from the DMA ranges as it loose coherency if mapped as
cacheable at the SMMU due to the attribute combining rules. The GICv2m
range is normally programmed for Device memory attributes.
[1] https://lore.kernel.org/stable/0a1d437d-9ea0-de83-3c19-e07f560ad37c@arm.com/
* tag 'juno-fix-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
arm64: dts: juno: Remove GICv2m dma-range
Link: https://lore.kernel.org/r/20220214142615.2375269-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/boot/dts/arm/juno-base.dtsi | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/arm64/boot/dts/arm/juno-base.dtsi b/arch/arm64/boot/dts/arm/juno-base.dtsi index 6288e104a089..a2635b14da30 100644 --- a/arch/arm64/boot/dts/arm/juno-base.dtsi +++ b/arch/arm64/boot/dts/arm/juno-base.dtsi @@ -543,8 +543,7 @@ <0x02000000 0x00 0x50000000 0x00 0x50000000 0x0 0x08000000>, <0x42000000 0x40 0x00000000 0x40 0x00000000 0x1 0x00000000>; /* Standard AXI Translation entries as programmed by EDK2 */ - dma-ranges = <0x02000000 0x0 0x2c1c0000 0x0 0x2c1c0000 0x0 0x00040000>, - <0x02000000 0x0 0x80000000 0x0 0x80000000 0x0 0x80000000>, + dma-ranges = <0x02000000 0x0 0x80000000 0x0 0x80000000 0x0 0x80000000>, <0x43000000 0x8 0x00000000 0x8 0x00000000 0x2 0x00000000>; #interrupt-cells = <1>; interrupt-map-mask = <0 0 0 7>; |