diff options
| author | Po-Wen Kao <powen.kao@mediatek.com> | 2023-06-12 16:58:09 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2023-06-16 12:04:30 -0400 |
| commit | c4ad4f2e6646dcd29a1ff7ff682bf650a67b0335 (patch) | |
| tree | 52d01d1ef4f6a3fe08725f220c20fe650b0d1b37 /drivers/ufs | |
| parent | ccb23dc3435a0d9dbc07c5156a530a4aae6c851a (diff) | |
| download | linux-c4ad4f2e6646dcd29a1ff7ff682bf650a67b0335.tar.gz | |
scsi: ufs: core: Add host quirk UFSHCD_QUIRK_MCQ_BROKEN_INTR
Quirk UFSHCD_QUIRK_MCQ_BROKEN_INTR is introduced for hosts that implement a
different interrupt topology from the UFSHCI 4.0 spec. Some hosts raise
per hw queue interrupt in addition to CQES (traditional) when ESI is
disabled.
Enabling this quirk will disable CQES and use only per hw queue interrupt.
Signed-off-by: Po-Wen Kao <powen.kao@mediatek.com>
Link: https://lore.kernel.org/r/20230612085817.12275-2-powen.kao@mediatek.com
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/ufs')
| -rw-r--r-- | drivers/ufs/core/ufshcd.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index a1d009ad5f265..358b3240b6c5a 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -8612,11 +8612,15 @@ err: static void ufshcd_config_mcq(struct ufs_hba *hba) { int ret; + u32 intrs; ret = ufshcd_mcq_vops_config_esi(hba); dev_info(hba->dev, "ESI %sconfigured\n", ret ? "is not " : ""); - ufshcd_enable_intr(hba, UFSHCD_ENABLE_MCQ_INTRS); + intrs = UFSHCD_ENABLE_MCQ_INTRS; + if (hba->quirks & UFSHCD_QUIRK_MCQ_BROKEN_INTR) + intrs &= ~MCQ_CQ_EVENT_STATUS; + ufshcd_enable_intr(hba, intrs); ufshcd_mcq_make_queues_operational(hba); ufshcd_mcq_config_mac(hba, hba->nutrs); |