Re: [PATCH] scsi: ufs: core: fix devfreq deadlocks

From: Bart Van Assche
Date: Tue Jan 03 2023 - 16:45:35 EST


On 12/22/22 02:21, Johan Hovold wrote:
+ /* Enable Write Booster if we have scaled up else disable it */
+ if (ufshcd_enable_wb_if_scaling_up(hba))
+ ufshcd_wb_toggle(hba, scale_up);

Hi Asutosh,

This patch is the second complaint about the mechanism that toggles the WriteBooster during clock scaling. Can this mechanism be removed entirely?

I think this commit introduced that mechanism: 3d17b9b5ab11 ("scsi: ufs: Add write booster feature support"; v5.8).

Thanks,

Bart.