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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: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Yoshihiro Shimoda 2022-06-03 20:05:19 +09:00 committed by Martin K. Petersen
parent 7522c08d1e
commit 6554400d6f
2 changed files with 8 additions and 0 deletions
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2
drivers/ufs/core/ufshcd.c
View File

@ -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;

6
include/ufs/ufshcd.h
View File

@ -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 {