| Message ID | 20210917065436.145629-14-chanho61.park@samsung.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | introduce exynosauto v9 ufs driver | expand |
Hi Chanho >-----Original Message----- >From: Chanho Park [mailto:chanho61.park@samsung.com] >Sent: Friday, September 17, 2021 12:25 PM >To: Alim Akhtar <alim.akhtar@samsung.com>; Avri Altman ><avri.altman@wdc.com>; James E . J . Bottomley <jejb@linux.ibm.com>; Martin >K . Petersen <martin.petersen@oracle.com>; Krzysztof Kozlowski ><krzysztof.kozlowski@canonical.com> >Cc: Bean Huo <beanhuo@micron.com>; Bart Van Assche ><bvanassche@acm.org>; Adrian Hunter <adrian.hunter@intel.com>; Christoph >Hellwig <hch@infradead.org>; Can Guo <cang@codeaurora.org>; Jaegeuk Kim ><jaegeuk@kernel.org>; Gyunghoon Kwon <goodjob.kwon@samsung.com>; >linux-samsung-soc@vger.kernel.org; linux-scsi@vger.kernel.org; Chanho Park ><chanho61.park@samsung.com>; Kiwoong Kim <kwmad.kim@samsung.com> >Subject: [PATCH v3 13/17] scsi: ufs: ufs-exynos: add pre/post_hce_enable drv >callbacks > >This patch adds driver-specific pre/post_hce_enable callbacks to execute extra >initializations before and after hce_enable_notify callback. > >Cc: Alim Akhtar <alim.akhtar@samsung.com> >Cc: Kiwoong Kim <kwmad.kim@samsung.com> >Cc: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> >Signed-off-by: Chanho Park <chanho61.park@samsung.com> >--- Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com> > drivers/scsi/ufs/ufs-exynos.c | 10 ++++++++++ drivers/scsi/ufs/ufs-exynos.h | 2 >++ > 2 files changed, 12 insertions(+) > >diff --git a/drivers/scsi/ufs/ufs-exynos.c b/drivers/scsi/ufs/ufs-exynos.c index >753b22358186..7fb4514f700d 100644 >--- a/drivers/scsi/ufs/ufs-exynos.c >+++ b/drivers/scsi/ufs/ufs-exynos.c >@@ -1141,6 +1141,12 @@ static int exynos_ufs_hce_enable_notify(struct >ufs_hba *hba, > > switch (status) { > case PRE_CHANGE: >+ if (ufs->drv_data->pre_hce_enable) { >+ ret = ufs->drv_data->pre_hce_enable(ufs); >+ if (ret) >+ return ret; >+ } >+ > ret = exynos_ufs_host_reset(hba); > if (ret) > return ret; >@@ -1150,6 +1156,10 @@ static int exynos_ufs_hce_enable_notify(struct >ufs_hba *hba, > exynos_ufs_calc_pwm_clk_div(ufs); > if (!(ufs->opts & EXYNOS_UFS_OPT_BROKEN_AUTO_CLK_CTRL)) > exynos_ufs_enable_auto_ctrl_hcc(ufs); >+ >+ if (ufs->drv_data->post_hce_enable) >+ ret = ufs->drv_data->post_hce_enable(ufs); >+ > break; > } > >diff --git a/drivers/scsi/ufs/ufs-exynos.h b/drivers/scsi/ufs/ufs-exynos.h index >a0899aaa902e..c291ae51dd41 100644 >--- a/drivers/scsi/ufs/ufs-exynos.h >+++ b/drivers/scsi/ufs/ufs-exynos.h >@@ -154,6 +154,8 @@ struct exynos_ufs_drv_data { > struct ufs_pa_layer_attr *pwr); > int (*post_pwr_change)(struct exynos_ufs *ufs, > struct ufs_pa_layer_attr *pwr); >+ int (*pre_hce_enable)(struct exynos_ufs *ufs); >+ int (*post_hce_enable)(struct exynos_ufs *ufs); > }; > > struct ufs_phy_time_cfg { >-- >2.33.0
diff --git a/drivers/scsi/ufs/ufs-exynos.c b/drivers/scsi/ufs/ufs-exynos.c index 753b22358186..7fb4514f700d 100644 --- a/drivers/scsi/ufs/ufs-exynos.c +++ b/drivers/scsi/ufs/ufs-exynos.c @@ -1141,6 +1141,12 @@ static int exynos_ufs_hce_enable_notify(struct ufs_hba *hba, switch (status) { case PRE_CHANGE: + if (ufs->drv_data->pre_hce_enable) { + ret = ufs->drv_data->pre_hce_enable(ufs); + if (ret) + return ret; + } + ret = exynos_ufs_host_reset(hba); if (ret) return ret; @@ -1150,6 +1156,10 @@ static int exynos_ufs_hce_enable_notify(struct ufs_hba *hba, exynos_ufs_calc_pwm_clk_div(ufs); if (!(ufs->opts & EXYNOS_UFS_OPT_BROKEN_AUTO_CLK_CTRL)) exynos_ufs_enable_auto_ctrl_hcc(ufs); + + if (ufs->drv_data->post_hce_enable) + ret = ufs->drv_data->post_hce_enable(ufs); + break; } diff --git a/drivers/scsi/ufs/ufs-exynos.h b/drivers/scsi/ufs/ufs-exynos.h index a0899aaa902e..c291ae51dd41 100644 --- a/drivers/scsi/ufs/ufs-exynos.h +++ b/drivers/scsi/ufs/ufs-exynos.h @@ -154,6 +154,8 @@ struct exynos_ufs_drv_data { struct ufs_pa_layer_attr *pwr); int (*post_pwr_change)(struct exynos_ufs *ufs, struct ufs_pa_layer_attr *pwr); + int (*pre_hce_enable)(struct exynos_ufs *ufs); + int (*post_hce_enable)(struct exynos_ufs *ufs); }; struct ufs_phy_time_cfg {
This patch adds driver-specific pre/post_hce_enable callbacks to execute extra initializations before and after hce_enable_notify callback. Cc: Alim Akhtar <alim.akhtar@samsung.com> Cc: Kiwoong Kim <kwmad.kim@samsung.com> Cc: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Signed-off-by: Chanho Park <chanho61.park@samsung.com> --- drivers/scsi/ufs/ufs-exynos.c | 10 ++++++++++ drivers/scsi/ufs/ufs-exynos.h | 2 ++ 2 files changed, 12 insertions(+)