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Petersen" Cc: linux-scsi@vger.kernel.org, Bart Van Assche , "James E.J. Bottomley" , Peter Wang , Avri Altman , Bean Huo Subject: [PATCH v5 24/28] ufs: core: Pass a SCSI pointer instead of an LRB pointer Date: Wed, 24 Sep 2025 13:30:43 -0700 Message-ID: <20250924203142.4073403-25-bvanassche@acm.org> X-Mailer: git-send-email 2.51.0.536.g15c5d4f767-goog In-Reply-To: <20250924203142.4073403-1-bvanassche@acm.org> References: <20250924203142.4073403-1-bvanassche@acm.org> Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Pass a pointer to a SCSI command between functions instead of an LRB pointer. This change prepares for removing the ufshcd_lrb task_tag member. Signed-off-by: Bart Van Assche --- drivers/ufs/core/ufshcd.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 76375dbcaf5d..02e3e4c4bf3e 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -2821,12 +2821,13 @@ static void ufshcd_prepare_utp_scsi_cmd_upiu(stru= ct scsi_cmnd *cmd, /** * ufshcd_prepare_utp_query_req_upiu() - fill the utp_transfer_req_desc = for query request * @hba: UFS hba - * @lrbp: local reference block pointer + * @cmd: SCSI command pointer * @upiu_flags: flags */ static void ufshcd_prepare_utp_query_req_upiu(struct ufs_hba *hba, - struct ufshcd_lrb *lrbp, u8 upiu_flags) + struct scsi_cmnd *cmd, u8 upiu_flags) { + struct ufshcd_lrb *lrbp =3D scsi_cmd_priv(cmd); struct utp_upiu_req *ucd_req_ptr =3D lrbp->ucd_req_ptr; struct ufs_query *query =3D &hba->dev_cmd.query; u16 len =3D be16_to_cpu(query->request.upiu_req.length); @@ -2855,8 +2856,9 @@ static void ufshcd_prepare_utp_query_req_upiu(struc= t ufs_hba *hba, memcpy(ucd_req_ptr + 1, query->descriptor, len); } =20 -static inline void ufshcd_prepare_utp_nop_upiu(struct ufshcd_lrb *lrbp) +static inline void ufshcd_prepare_utp_nop_upiu(struct scsi_cmnd *cmd) { + struct ufshcd_lrb *lrbp =3D scsi_cmd_priv(cmd); struct utp_upiu_req *ucd_req_ptr =3D lrbp->ucd_req_ptr; =20 memset(ucd_req_ptr, 0, sizeof(struct utp_upiu_req)); @@ -2871,22 +2873,23 @@ static inline void ufshcd_prepare_utp_nop_upiu(st= ruct ufshcd_lrb *lrbp) * ufshcd_compose_devman_upiu - UFS Protocol Information Unit(UPIU) * for Device Management Purposes * @hba: per adapter instance - * @lrbp: pointer to local reference block + * @cmd: SCSI command pointer * * Return: 0 upon success; < 0 upon failure. */ static int ufshcd_compose_devman_upiu(struct ufs_hba *hba, - struct ufshcd_lrb *lrbp) + struct scsi_cmnd *cmd) { + struct ufshcd_lrb *lrbp =3D scsi_cmd_priv(cmd); u8 upiu_flags; int ret =3D 0; =20 ufshcd_prepare_req_desc_hdr(hba, lrbp, &upiu_flags, DMA_NONE, 0); =20 if (hba->dev_cmd.type =3D=3D DEV_CMD_TYPE_QUERY) - ufshcd_prepare_utp_query_req_upiu(hba, lrbp, upiu_flags); + ufshcd_prepare_utp_query_req_upiu(hba, cmd, upiu_flags); else if (hba->dev_cmd.type =3D=3D DEV_CMD_TYPE_NOP) - ufshcd_prepare_utp_nop_upiu(lrbp); + ufshcd_prepare_utp_nop_upiu(cmd); else ret =3D -EINVAL; =20 @@ -3124,11 +3127,9 @@ static void ufshcd_setup_dev_cmd(struct ufs_hba *h= ba, struct scsi_cmnd *cmd, static int ufshcd_compose_dev_cmd(struct ufs_hba *hba, struct scsi_cmnd = *cmd, enum dev_cmd_type cmd_type, int tag) { - struct ufshcd_lrb *lrbp =3D scsi_cmd_priv(cmd); - ufshcd_setup_dev_cmd(hba, cmd, cmd_type, 0, tag); =20 - return ufshcd_compose_devman_upiu(hba, lrbp); + return ufshcd_compose_devman_upiu(hba, cmd); } =20 /*