Hello Roger,
Le 15/11/2024 à 10:20, Roger Quadros a écrit :
>
>
> On 14/11/2024 17:57, Romain Naour wrote:
>> From: Romain Naour <romain.naour@xxxxxxx>
>>
>> A bus_dma_limit was added for l3 bus by commit cfb5d65f2595
>> ("ARM: dts: dra7: Add bus_dma_limit for L3 bus") to fix an issue
>> observed only with SATA on DRA7-EVM with 4GB RAM and CONFIG_ARM_LPAE
>> enabled.
>>
>> Since kernel 5.13, the SATA issue can be reproduced again following
>> the SATA node move from L3 bus to L4_cfg in commit 8af15365a368
>> ("ARM: dts: Configure interconnect target module for dra7 sata").
>>
>> Fix it by adding an empty dma-ranges property to l4_cfg and
>> segment@100000 nodes (parent device tree node of SATA controller) to
>> inherit the 2GB dma ranges limit from l3 bus node.
>>
>> Note: A similar fix was applied for PCIe controller by commit
>> 90d4d3f4ea45 ("ARM: dts: dra7: Fix bus_dma_limit for PCIe").
>>
>> Fixes: 8af15365a368 ("ARM: dts: Configure interconnect target module for dra7 sata").
>> Link: https://lore.kernel.org/linux-omap/c583e1bb-f56b-4489-8012-ce742e85f233@xxxxxxxx/
>
> Please add the stable tag here
>
> Cc: <stable@xxxxxxxxxxxxxxx> # 5.13
checkpatch.pl was complaining about "Cc: <stable@xxxxxxxxxxxxxxx>" I tried
yesterday. Now it fine with "# 5.13" tag.
Thanks!
Best regards,
Romain
>
>> Signed-off-by: Romain Naour <romain.naour@xxxxxxx>
>> ---
>
