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Bottomley" , Peter Wang , Stanley Jhu , Manivannan Sadhasivam , Matthias Brugger , AngeloGioacchino Del Regno , Andrew Halaney , Maramaina Naresh , Eric Biggers , Minwoo Im , linux-kernel@vger.kernel.org (open list), linux-mediatek@lists.infradead.org (moderated list:UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER...), linux-arm-kernel@lists.infradead.org (moderated list:ARM/Mediatek SoC support:Keyword:mediatek) Subject: [PATCH v2 1/8] scsi: ufs: core: Pass target_freq to clk_scale_notify() vops Date: Wed, 22 Jan 2025 18:02:07 +0800 Message-Id: <20250122100214.489749-2-quic_ziqichen@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250122100214.489749-1-quic_ziqichen@quicinc.com> References: <20250122100214.489749-1-quic_ziqichen@quicinc.com> MIME-Version: 1.0 X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: 5ZQFgq9QRSnfX9-yTrJraYm7RFXEx-Dv X-Proofpoint-ORIG-GUID: 5ZQFgq9QRSnfX9-yTrJraYm7RFXEx-Dv X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-01-22_04,2025-01-22_02,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 suspectscore=0 mlxlogscore=999 clxscore=1015 mlxscore=0 phishscore=0 impostorscore=0 adultscore=0 lowpriorityscore=0 spamscore=0 malwarescore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2501220073 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250122_020412_250457_1F10D820 X-CRM114-Status: GOOD ( 17.70 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Can Guo Instead of only two frequencies, If OPP V2 is used, the UFS devfreq clock scaling may scale the clock among multiple frequencies, so just passing up/down to vops clk_scale_notify() is not enough to cover the intermediate clock freqs between the min and max freqs. Hence pass the target_freq , which will be used in successive commits, to clk_scale_notify() to allow the vops to perform corresponding configurations with regard to the clock freqs. Signed-off-by: Can Guo Co-developed-by: Ziqi Chen Signed-off-by: Ziqi Chen Reviewed-by: Bean Huo --- v1 -> v2: Modify commit message to make it more clear. --- drivers/ufs/core/ufshcd-priv.h | 7 ++++--- drivers/ufs/core/ufshcd.c | 4 ++-- drivers/ufs/host/ufs-mediatek.c | 1 + drivers/ufs/host/ufs-qcom.c | 5 +++-- include/ufs/ufshcd.h | 2 +- 5 files changed, 11 insertions(+), 8 deletions(-) diff --git a/drivers/ufs/core/ufshcd-priv.h b/drivers/ufs/core/ufshcd-priv.h index 9ffd94ddf8c7..0549b65f71ed 100644 --- a/drivers/ufs/core/ufshcd-priv.h +++ b/drivers/ufs/core/ufshcd-priv.h @@ -117,11 +117,12 @@ static inline u32 ufshcd_vops_get_ufs_hci_version(struct ufs_hba *hba) return ufshcd_readl(hba, REG_UFS_VERSION); } -static inline int ufshcd_vops_clk_scale_notify(struct ufs_hba *hba, - bool up, enum ufs_notify_change_status status) +static inline int ufshcd_vops_clk_scale_notify(struct ufs_hba *hba, bool up, + unsigned long target_freq, + enum ufs_notify_change_status status) { if (hba->vops && hba->vops->clk_scale_notify) - return hba->vops->clk_scale_notify(hba, up, status); + return hba->vops->clk_scale_notify(hba, up, target_freq, status); return 0; } diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index acc3607bbd9c..8d295cc827cc 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -1157,7 +1157,7 @@ static int ufshcd_scale_clks(struct ufs_hba *hba, unsigned long freq, int ret = 0; ktime_t start = ktime_get(); - ret = ufshcd_vops_clk_scale_notify(hba, scale_up, PRE_CHANGE); + ret = ufshcd_vops_clk_scale_notify(hba, scale_up, freq, PRE_CHANGE); if (ret) goto out; @@ -1168,7 +1168,7 @@ static int ufshcd_scale_clks(struct ufs_hba *hba, unsigned long freq, if (ret) goto out; - ret = ufshcd_vops_clk_scale_notify(hba, scale_up, POST_CHANGE); + ret = ufshcd_vops_clk_scale_notify(hba, scale_up, freq, POST_CHANGE); if (ret) { if (hba->use_pm_opp) ufshcd_opp_set_rate(hba, diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c index 135cd78109e2..977dd0caaef6 100644 --- a/drivers/ufs/host/ufs-mediatek.c +++ b/drivers/ufs/host/ufs-mediatek.c @@ -1643,6 +1643,7 @@ static void ufs_mtk_clk_scale(struct ufs_hba *hba, bool scale_up) } static int ufs_mtk_clk_scale_notify(struct ufs_hba *hba, bool scale_up, + unsigned long target_freq, enum ufs_notify_change_status status) { if (!ufshcd_is_clkscaling_supported(hba)) diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index 68040b2ab5f8..b6eef975dc46 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -1333,8 +1333,9 @@ static int ufs_qcom_clk_scale_down_post_change(struct ufs_hba *hba) return ufs_qcom_set_core_clk_ctrl(hba, false); } -static int ufs_qcom_clk_scale_notify(struct ufs_hba *hba, - bool scale_up, enum ufs_notify_change_status status) +static int ufs_qcom_clk_scale_notify(struct ufs_hba *hba, bool scale_up, + unsigned long target_freq, + enum ufs_notify_change_status status) { struct ufs_qcom_host *host = ufshcd_get_variant(hba); int err; diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h index d7aca9e61684..a4dac897a169 100644 --- a/include/ufs/ufshcd.h +++ b/include/ufs/ufshcd.h @@ -344,7 +344,7 @@ struct ufs_hba_variant_ops { void (*exit)(struct ufs_hba *); u32 (*get_ufs_hci_version)(struct ufs_hba *); int (*set_dma_mask)(struct ufs_hba *); - int (*clk_scale_notify)(struct ufs_hba *, bool, + int (*clk_scale_notify)(struct ufs_hba *, bool, unsigned long, enum ufs_notify_change_status); int (*setup_clocks)(struct ufs_hba *, bool, enum ufs_notify_change_status);