Commit 2f11bbc2 authored Jun 03, 2022 by Yoshihiro Shimoda Committed by Martin K. Petersen Jun 13, 2022

scsi: ufs: core: Add UFSHCD_QUIRK_HIBERN_FASTAUTO

Add UFSHCD_QUIRK_HIBERN_FASTAUTO quirk for host controllers which supports
auto-hibernate the capability but only FASTAUTO mode.

Link: https://lore.kernel.org/r/20220603110524.1997825-4-yoshihiro.shimoda.uh@renesas.com

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

parent 6554400d

drivers/ufs/core/ufshcd.c

+7 −2

Original line number	Diff line number	Diff line
		@@ -4260,8 +4260,13 @@ static int ufshcd_get_max_pwr_mode(struct ufs_hba *hba)
		if (hba->max_pwr_info.is_valid)
		return 0;

		if (hba->quirks & UFSHCD_QUIRK_HIBERN_FASTAUTO) {
		pwr_info->pwr_tx = FASTAUTO_MODE;
		pwr_info->pwr_rx = FASTAUTO_MODE;
		} else {
		pwr_info->pwr_tx = FAST_MODE;
		pwr_info->pwr_rx = FAST_MODE;
		}
		pwr_info->hs_rate = PA_HS_MODE_B;

		/* Get the connected lane count */

include/ufs/ufshcd.h

+6 −0

Original line number	Diff line number	Diff line
		@@ -583,6 +583,12 @@ enum ufshcd_quirks {
		* 64-bit addressing supported capability but it doesn't work.
		*/
		UFSHCD_QUIRK_BROKEN_64BIT_ADDRESS = 1 << 17,

		/*
		* This quirk needs to be enabled if the host controller has
		* auto-hibernate capability but it's FASTAUTO only.
		*/
		UFSHCD_QUIRK_HIBERN_FASTAUTO = 1 << 18,
		};

		enum ufshcd_caps {