| Message ID | 20250313051635.22073-2-quic_mapa@quicinc.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | scsi: ufs-qcom: Enable Dumping of Hibern8, MCQ, and Testbus Registers | expand |
On Thu, Mar 13, 2025 at 10:46:33AM +0530, Manish Pandey wrote: > This patch adds functionality to dump both hardware and software No 'patch' in description. Once the patch is merged, it will become as 'commit'. Also, please use imperative mood to describe the change. I don't know why this is not followed since I believe, I've given this comment before also (if you didn't read the process documentation). > hibern8 enter counts. This enhancement will aid in monitoring and > debugging hibern8 state transitions by providing detailed count > information. > > Signed-off-by: Manish Pandey <quic_mapa@quicinc.com> > --- > drivers/ufs/host/ufs-qcom.c | 9 +++++++++ > drivers/ufs/host/ufs-qcom.h | 9 +++++++++ > 2 files changed, 18 insertions(+) > > diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c > index 1b37449fbffc..f5181773c0e5 100644 > --- a/drivers/ufs/host/ufs-qcom.c > +++ b/drivers/ufs/host/ufs-qcom.c > @@ -1573,6 +1573,15 @@ static void ufs_qcom_dump_dbg_regs(struct ufs_hba *hba) > > host = ufshcd_get_variant(hba); > > + dev_err(hba->dev, "HW_H8_ENTER_CNT=%d\n", ufshcd_readl(hba, REG_UFS_HW_H8_ENTER_CNT)); > + dev_err(hba->dev, "HW_H8_EXIT_CNT=%d\n", ufshcd_readl(hba, REG_UFS_HW_H8_EXIT_CNT)); > + > + dev_err(hba->dev, "SW_H8_ENTER_CNT=%d\n", ufshcd_readl(hba, REG_UFS_SW_H8_ENTER_CNT)); > + dev_err(hba->dev, "SW_H8_EXIT_CNT=%d\n", ufshcd_readl(hba, REG_UFS_SW_H8_EXIT_CNT)); > + > + dev_err(hba->dev, "SW_AFTER_HW_H8_ENTER_CNT=%d\n", > + ufshcd_readl(hba, REG_UFS_SW_AFTER_HW_H8_ENTER_CNT)); > + > ufshcd_dump_regs(hba, REG_UFS_SYS1CLK_1US, 16 * 4, > "HCI Vendor Specific Registers "); > > diff --git a/drivers/ufs/host/ufs-qcom.h b/drivers/ufs/host/ufs-qcom.h > index d0e6ec9128e7..a41db017009f 100644 > --- a/drivers/ufs/host/ufs-qcom.h > +++ b/drivers/ufs/host/ufs-qcom.h > @@ -75,6 +75,15 @@ enum { > UFS_UFS_DBG_RD_EDTL_RAM = 0x1900, > }; > > +/* Vendor-specific Hibern8 count registers for the QCOM UFS host controller. */ Get rid of 'for the QCOM UFS host controller'. - Mani
diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index 1b37449fbffc..f5181773c0e5 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -1573,6 +1573,15 @@ static void ufs_qcom_dump_dbg_regs(struct ufs_hba *hba) host = ufshcd_get_variant(hba); + dev_err(hba->dev, "HW_H8_ENTER_CNT=%d\n", ufshcd_readl(hba, REG_UFS_HW_H8_ENTER_CNT)); + dev_err(hba->dev, "HW_H8_EXIT_CNT=%d\n", ufshcd_readl(hba, REG_UFS_HW_H8_EXIT_CNT)); + + dev_err(hba->dev, "SW_H8_ENTER_CNT=%d\n", ufshcd_readl(hba, REG_UFS_SW_H8_ENTER_CNT)); + dev_err(hba->dev, "SW_H8_EXIT_CNT=%d\n", ufshcd_readl(hba, REG_UFS_SW_H8_EXIT_CNT)); + + dev_err(hba->dev, "SW_AFTER_HW_H8_ENTER_CNT=%d\n", + ufshcd_readl(hba, REG_UFS_SW_AFTER_HW_H8_ENTER_CNT)); + ufshcd_dump_regs(hba, REG_UFS_SYS1CLK_1US, 16 * 4, "HCI Vendor Specific Registers "); diff --git a/drivers/ufs/host/ufs-qcom.h b/drivers/ufs/host/ufs-qcom.h index d0e6ec9128e7..a41db017009f 100644 --- a/drivers/ufs/host/ufs-qcom.h +++ b/drivers/ufs/host/ufs-qcom.h @@ -75,6 +75,15 @@ enum { UFS_UFS_DBG_RD_EDTL_RAM = 0x1900, }; +/* Vendor-specific Hibern8 count registers for the QCOM UFS host controller. */ +enum { + REG_UFS_HW_H8_ENTER_CNT = 0x2700, + REG_UFS_SW_H8_ENTER_CNT = 0x2704, + REG_UFS_SW_AFTER_HW_H8_ENTER_CNT = 0x2708, + REG_UFS_HW_H8_EXIT_CNT = 0x270C, + REG_UFS_SW_H8_EXIT_CNT = 0x2710, +}; + enum { UFS_MEM_CQIS_VS = 0x8, };
This patch adds functionality to dump both hardware and software hibern8 enter counts. This enhancement will aid in monitoring and debugging hibern8 state transitions by providing detailed count information. Signed-off-by: Manish Pandey <quic_mapa@quicinc.com> --- drivers/ufs/host/ufs-qcom.c | 9 +++++++++ drivers/ufs/host/ufs-qcom.h | 9 +++++++++ 2 files changed, 18 insertions(+)