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Petersen" Cc: linux-scsi@vger.kernel.org, Bart Van Assche , "James E.J. Bottomley" , Manivannan Sadhasivam , Peter Wang , Avri Altman , Bean Huo , Andrew Halaney Subject: [PATCH v3 5/9] ufs: core: Move the ufshcd_device_init() call Date: Wed, 28 Aug 2024 10:43:57 -0700 Message-ID: <20240828174435.2469498-6-bvanassche@acm.org> X-Mailer: git-send-email 2.46.0.469.g59c65b2a67-goog In-Reply-To: <20240828174435.2469498-1-bvanassche@acm.org> References: <20240828174435.2469498-1-bvanassche@acm.org> Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Move the ufshcd_device_init() call to the ufshcd_probe_hba() callers and remove the 'init_dev_params' argument of ufshcd_probe_hba(). This change refactors the code without modifying the behavior of the UFSHCI driver. This change prepares for moving one ufshcd_device_init() call into ufshcd_init(). Signed-off-by: Bart Van Assche --- drivers/ufs/core/ufshcd.c | 25 +++++++++++++------------ 1 file changed, 13 insertions(+), 12 deletions(-) diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 20e00ec5fda8..f62fff878980 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -298,7 +298,8 @@ static int ufshcd_reset_and_restore(struct ufs_hba *hba); static int ufshcd_eh_host_reset_handler(struct scsi_cmnd *cmd); static int ufshcd_clear_tm_cmd(struct ufs_hba *hba, int tag); static void ufshcd_hba_exit(struct ufs_hba *hba); -static int ufshcd_probe_hba(struct ufs_hba *hba, bool init_dev_params); +static int ufshcd_device_init(struct ufs_hba *hba, bool init_dev_params); +static int ufshcd_probe_hba(struct ufs_hba *hba); static int ufshcd_setup_clocks(struct ufs_hba *hba, bool on); static inline void ufshcd_add_delay_before_dme_cmd(struct ufs_hba *hba); static int ufshcd_host_reset_and_restore(struct ufs_hba *hba); @@ -7711,8 +7712,11 @@ static int ufshcd_host_reset_and_restore(struct ufs_hba *hba) err = ufshcd_hba_enable(hba); /* Establish the link again and restore the device */ - if (!err) - err = ufshcd_probe_hba(hba, false); + if (!err) { + err = ufshcd_device_init(hba, /*init_dev_params=*/false); + if (!err) + err = ufshcd_probe_hba(hba); + } if (err) dev_err(hba->dev, "%s: Host init failed %d\n", __func__, err); @@ -8848,21 +8852,16 @@ static int ufshcd_device_init(struct ufs_hba *hba, bool init_dev_params) /** * ufshcd_probe_hba - probe hba to detect device and initialize it * @hba: per-adapter instance - * @init_dev_params: whether or not to call ufshcd_device_params_init(). * * Execute link-startup and verify device initialization * * Return: 0 upon success; < 0 upon failure. */ -static int ufshcd_probe_hba(struct ufs_hba *hba, bool init_dev_params) +static int ufshcd_probe_hba(struct ufs_hba *hba) { ktime_t start = ktime_get(); unsigned long flags; - int ret; - - ret = ufshcd_device_init(hba, init_dev_params); - if (ret) - goto out; + int ret = 0; if (!hba->pm_op_in_progress && (hba->quirks & UFSHCD_QUIRK_REINIT_AFTER_MAX_GEAR_SWITCH)) { @@ -8880,7 +8879,7 @@ static int ufshcd_probe_hba(struct ufs_hba *hba, bool init_dev_params) } /* Reinit the device */ - ret = ufshcd_device_init(hba, init_dev_params); + ret = ufshcd_device_init(hba, /*init_dev_params=*/false); if (ret) goto out; } @@ -8928,7 +8927,9 @@ static void ufshcd_async_scan(void *data, async_cookie_t cookie) down(&hba->host_sem); /* Initialize hba, detect and initialize UFS device */ - ret = ufshcd_probe_hba(hba, true); + ret = ufshcd_device_init(hba, /*init_dev_params=*/true); + if (ret == 0) + ret = ufshcd_probe_hba(hba); up(&hba->host_sem); if (ret) goto out;