diff options
Diffstat (limited to 'drivers/ufs/core/ufs-mcq.c')
| -rw-r--r-- | drivers/ufs/core/ufs-mcq.c | 34 |
1 files changed, 16 insertions, 18 deletions
diff --git a/drivers/ufs/core/ufs-mcq.c b/drivers/ufs/core/ufs-mcq.c index 386674ead7f0..2ba8ec254dce 100644 --- a/drivers/ufs/core/ufs-mcq.c +++ b/drivers/ufs/core/ufs-mcq.c @@ -97,6 +97,7 @@ void ufshcd_mcq_config_mac(struct ufs_hba *hba, u32 max_active_cmds) val |= FIELD_PREP(MCQ_CFG_MAC_MASK, max_active_cmds); ufshcd_writel(hba, val, REG_UFS_MCQ_CFG); } +EXPORT_SYMBOL_GPL(ufshcd_mcq_config_mac); /** * ufshcd_mcq_req_to_hwq - find the hardware queue on which the @@ -104,7 +105,7 @@ void ufshcd_mcq_config_mac(struct ufs_hba *hba, u32 max_active_cmds) * @hba: per adapter instance * @req: pointer to the request to be issued * - * Returns the hardware queue instance on which the request would + * Return: the hardware queue instance on which the request would * be queued. */ struct ufs_hw_queue *ufshcd_mcq_req_to_hwq(struct ufs_hba *hba, @@ -120,7 +121,7 @@ struct ufs_hw_queue *ufshcd_mcq_req_to_hwq(struct ufs_hba *hba, * ufshcd_mcq_decide_queue_depth - decide the queue depth * @hba: per adapter instance * - * Returns queue-depth on success, non-zero on error + * Return: queue-depth on success, non-zero on error * * MAC - Max. Active Command of the Host Controller (HC) * HC wouldn't send more than this commands to the device. @@ -245,6 +246,7 @@ u32 ufshcd_mcq_read_cqis(struct ufs_hba *hba, int i) { return readl(mcq_opr_base(hba, OPR_CQIS, i) + REG_CQIS); } +EXPORT_SYMBOL_GPL(ufshcd_mcq_read_cqis); void ufshcd_mcq_write_cqis(struct ufs_hba *hba, u32 val, int i) { @@ -388,6 +390,7 @@ void ufshcd_mcq_make_queues_operational(struct ufs_hba *hba) MCQ_CFG_n(REG_SQATTR, i)); } } +EXPORT_SYMBOL_GPL(ufshcd_mcq_make_queues_operational); void ufshcd_mcq_enable_esi(struct ufs_hba *hba) { @@ -487,10 +490,10 @@ static int ufshcd_mcq_sq_start(struct ufs_hba *hba, struct ufs_hw_queue *hwq) /** * ufshcd_mcq_sq_cleanup - Clean up submission queue resources * associated with the pending command. - * @hba - per adapter instance. - * @task_tag - The command's task tag. + * @hba: per adapter instance. + * @task_tag: The command's task tag. * - * Returns 0 for success; error code otherwise. + * Return: 0 for success; error code otherwise. */ int ufshcd_mcq_sq_cleanup(struct ufs_hba *hba, int task_tag) { @@ -551,16 +554,11 @@ unlock: * Write the sqe's Command Type to 0xF. The host controller will not * fetch any sqe with Command Type = 0xF. * - * @utrd - UTP Transfer Request Descriptor to be nullified. + * @utrd: UTP Transfer Request Descriptor to be nullified. */ static void ufshcd_mcq_nullify_sqe(struct utp_transfer_req_desc *utrd) { - u32 dword_0; - - dword_0 = le32_to_cpu(utrd->header.dword_0); - dword_0 &= ~UPIU_COMMAND_TYPE_MASK; - dword_0 |= FIELD_PREP(UPIU_COMMAND_TYPE_MASK, 0xF); - utrd->header.dword_0 = cpu_to_le32(dword_0); + utrd->header.command_type = 0xf; } /** @@ -568,11 +566,11 @@ static void ufshcd_mcq_nullify_sqe(struct utp_transfer_req_desc *utrd) * If the command is in the submission queue and not issued to the device yet, * nullify the sqe so the host controller will skip fetching the sqe. * - * @hba - per adapter instance. - * @hwq - Hardware Queue to be searched. - * @task_tag - The command's task tag. + * @hba: per adapter instance. + * @hwq: Hardware Queue to be searched. + * @task_tag: The command's task tag. * - * Returns true if the SQE containing the command is present in the SQ + * Return: true if the SQE containing the command is present in the SQ * (not fetched by the controller); returns false if the SQE is not in the SQ. */ static bool ufshcd_mcq_sqe_search(struct ufs_hba *hba, @@ -621,9 +619,9 @@ out: /** * ufshcd_mcq_abort - Abort the command in MCQ. - * @cmd - The command to be aborted. + * @cmd: The command to be aborted. * - * Returns SUCCESS or FAILED error codes + * Return: SUCCESS or FAILED error codes */ int ufshcd_mcq_abort(struct scsi_cmnd *cmd) { |