Re: [EXT] Re: [PATCH v5 4/4] ufs: Simplify the clock scaling mechanism implementation

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On 11/13/19 8:03 AM, Bean Huo (beanhuo) wrote:
I think, you are asking for comment from Can.  As for me, attached patch is better.
Removing ufshcd_wait_for_doorbell_clr(), instead of reading doorbell register, Now
using block layer blk_mq_{un,}freeze_queue(), looks good. I tested your V5 patches,
didn't find problem yet.

Since my available platform doesn't support dynamic clk scaling, I think, now seems only
Qcom UFS controllers support this feature. So we need Can Guo to finally confirm it.

Hi Can,

Do you agree with this patch series if patch 4 is replaced by the patch attached to my previous e-mail? The entire (revised) series is available at https://github.com/bvanassche/linux/tree/ufs-for-next.

Thanks,

Bart.



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