Commit 6554400d authored by Yoshihiro Shimoda's avatar Yoshihiro Shimoda Committed by Martin K. Petersen
Browse files

scsi: ufs: core: Add UFSHCD_QUIRK_BROKEN_64BIT_ADDRESS 

Add UFSHCD_QUIRK_BROKEN_64BIT_ADDRESS for host controllers which do not
support 64-bit addressing.

Link: https://lore.kernel.org/r/20220603110524.1997825-3-yoshihiro.shimoda.uh@renesas.com


Signed-off-by: default avatarYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 7522c08d

drivers/ufs/core/ufshcd.c

+2 −0
Original line number Diff line number Diff line
@@ -2216,6 +2216,8 @@ static inline int ufshcd_hba_capabilities(struct ufs_hba *hba) 
	int err;



	hba->capabilities = ufshcd_readl(hba, REG_CONTROLLER_CAPABILITIES);

	if (hba->quirks & UFSHCD_QUIRK_BROKEN_64BIT_ADDRESS)

		hba->capabilities &= ~MASK_64_ADDRESSING_SUPPORT;



	/* nutrs and nutmrs are 0 based values */

	hba->nutrs = (hba->capabilities & MASK_TRANSFER_REQUESTS_SLOTS) + 1;

include/ufs/ufshcd.h

+6 −0
Original line number Diff line number Diff line
@@ -577,6 +577,12 @@ enum ufshcd_quirks { 
	 * support physical host configuration.

	 */

	UFSHCD_QUIRK_SKIP_PH_CONFIGURATION		= 1 << 16,



	/*

	 * This quirk needs to be enabled if the host controller has

	 * 64-bit addressing supported capability but it doesn't work.

	 */

	UFSHCD_QUIRK_BROKEN_64BIT_ADDRESS		= 1 << 17,

};



enum ufshcd_caps {