diff options
| author | Catalin Marinas <catalin.marinas@arm.com> | 2014-04-25 17:39:49 +0200 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2014-05-03 23:20:35 +0200 |
| commit | 7a8d1ec16dfbb7785e82ccc97b0076cc34911701 (patch) | |
| tree | e7294b4ad8ac2cdc3ff855dbd1372def91bb5ef1 /arch/arm64 | |
| parent | arm64: Use bus notifiers to set per-device coherent DMA ops (diff) | |
| download | linux-7a8d1ec16dfbb7785e82ccc97b0076cc34911701.tar.xz linux-7a8d1ec16dfbb7785e82ccc97b0076cc34911701.zip | |
arm64: Mark the Applied Micro X-Gene SATA controller as DMA coherent
Since the default DMA ops for arm64 are non-coherent, mark the X-Gene
controller explicitly as dma-coherent to avoid additional cache
maintenance.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Loc Ho <lho@apm.com>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/boot/dts/apm-storm.dtsi | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/apm-storm.dtsi b/arch/arm64/boot/dts/apm-storm.dtsi index 93f4b2dd9248..f8c40a66e65d 100644 --- a/arch/arm64/boot/dts/apm-storm.dtsi +++ b/arch/arm64/boot/dts/apm-storm.dtsi @@ -307,6 +307,7 @@ <0x0 0x1f21e000 0x0 0x1000>, <0x0 0x1f217000 0x0 0x1000>; interrupts = <0x0 0x86 0x4>; + dma-coherent; status = "disabled"; clocks = <&sata01clk 0>; phys = <&phy1 0>; @@ -321,6 +322,7 @@ <0x0 0x1f22e000 0x0 0x1000>, <0x0 0x1f227000 0x0 0x1000>; interrupts = <0x0 0x87 0x4>; + dma-coherent; status = "ok"; clocks = <&sata23clk 0>; phys = <&phy2 0>; @@ -334,6 +336,7 @@ <0x0 0x1f23d000 0x0 0x1000>, <0x0 0x1f23e000 0x0 0x1000>; interrupts = <0x0 0x88 0x4>; + dma-coherent; status = "ok"; clocks = <&sata45clk 0>; phys = <&phy3 0>; |