diff options
| author | Can Guo <quic_cang@quicinc.com> | 2022-12-15 06:06:21 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2023-01-14 05:10:59 +0300 |
| commit | e02288e0265fe316a16d48ec6dd7b7fd54d66e3e (patch) | |
| tree | b2e45edfeebe1a75c2ab3663e8daa99234588640 /drivers/ufs | |
| parent | edb0db05607ce05a5e0df00518b58a811e9f548e (diff) | |
| download | linux-e02288e0265fe316a16d48ec6dd7b7fd54d66e3e.tar.xz | |
scsi: ufs: core: mcq: Add Event Specific Interrupt enable and config functions
Add and export two functions to enable ESI and config ESI base addresses.
The calls to these exported functions will be added by the next patch in
this series.
Signed-off-by: Can Guo <quic_cang@quicinc.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/ufs-mcq.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/ufs/core/ufs-mcq.c b/drivers/ufs/core/ufs-mcq.c index e710d19d4c55..dd476f9e797c 100644 --- a/drivers/ufs/core/ufs-mcq.c +++ b/drivers/ufs/core/ufs-mcq.c @@ -246,6 +246,7 @@ void ufshcd_mcq_write_cqis(struct ufs_hba *hba, u32 val, int i) { writel(val, mcq_opr_base(hba, OPR_CQIS, i) + REG_CQIS); } +EXPORT_SYMBOL_GPL(ufshcd_mcq_write_cqis); /* * Current MCQ specification doesn't provide a Task Tag or its equivalent in @@ -293,6 +294,7 @@ unsigned long ufshcd_mcq_poll_cqe_nolock(struct ufs_hba *hba, return completed_reqs; } +EXPORT_SYMBOL_GPL(ufshcd_mcq_poll_cqe_nolock); unsigned long ufshcd_mcq_poll_cqe_lock(struct ufs_hba *hba, struct ufs_hw_queue *hwq) @@ -370,6 +372,20 @@ void ufshcd_mcq_make_queues_operational(struct ufs_hba *hba) } } +void ufshcd_mcq_enable_esi(struct ufs_hba *hba) +{ + ufshcd_writel(hba, ufshcd_readl(hba, REG_UFS_MEM_CFG) | 0x2, + REG_UFS_MEM_CFG); +} +EXPORT_SYMBOL_GPL(ufshcd_mcq_enable_esi); + +void ufshcd_mcq_config_esi(struct ufs_hba *hba, struct msi_msg *msg) +{ + ufshcd_writel(hba, msg->address_lo, REG_UFS_ESILBA); + ufshcd_writel(hba, msg->address_hi, REG_UFS_ESIUBA); +} +EXPORT_SYMBOL_GPL(ufshcd_mcq_config_esi); + int ufshcd_mcq_init(struct ufs_hba *hba) { struct Scsi_Host *host = hba->host; |