[linux-sunxi] [PATCH 2/4] drivers: soc: sunxi: fix error processing on base address when claiming

Chen-Yu Tsai wens at csie.org
Wed Aug 9 02:16:29 PDT 2017


On Wed, Aug 9, 2017 at 4:56 PM, Icenowy Zheng <icenowy at aosc.io> wrote:
> When claiming SRAM, if the base is set to an error, it means that the
> SRAM controller has been probed, but failed to remap the controller
> memory zone. If the base is zero, thus the SRAM controller should be not
> probed at all, and it should return -EPROBE_DEFER. However, currently we
> returned -EPROBE_DEFER in the former situation, and ignored the latter
> situation (which will lead to the kernel to panic).
>
> Fix the behavior on abnormal base address processing when claiming.
>
> Signed-off-by: Icenowy Zheng <icenowy at aosc.io>

Fixes: 4af34b572a85 ("drivers: soc: sunxi: Introduce SoC driver to map SRAMs") ?

I can add the tag when applying.

ChenYu



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