| Message ID | 20210917065436.145629-12-chanho61.park@samsung.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | introduce exynosauto v9 ufs driver | expand |
>-----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 11/17] scsi: ufs: ufs-exynos: add >EXYNOS_UFS_OPT_SKIP_CONFIG_PHY_ATTR option > >To skip exynos_ufs_config_phy_*_attr settings for exynos-ufs variant, this patch >provides EXYNOS_UFS_OPT_SKIP_CONFIG_PHY_ATTR as an opts flag. > Please add a bit more information on why this has to be skipped for this HCI. Thanks >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 | 6 ++++-- drivers/scsi/ufs/ufs-exynos.h | 1 + > 2 files changed, 5 insertions(+), 2 deletions(-) > >diff --git a/drivers/scsi/ufs/ufs-exynos.c b/drivers/scsi/ufs/ufs-exynos.c index >a3160d9bd234..73833c186ca9 100644 >--- a/drivers/scsi/ufs/ufs-exynos.c >+++ b/drivers/scsi/ufs/ufs-exynos.c >@@ -831,8 +831,10 @@ static int exynos_ufs_pre_link(struct ufs_hba *hba) > > /* m-phy */ > exynos_ufs_phy_init(ufs); >- exynos_ufs_config_phy_time_attr(ufs); >- exynos_ufs_config_phy_cap_attr(ufs); >+ if (!(ufs->opts & EXYNOS_UFS_OPT_SKIP_CONFIG_PHY_ATTR)) { >+ exynos_ufs_config_phy_time_attr(ufs); >+ exynos_ufs_config_phy_cap_attr(ufs); >+ } > > exynos_ufs_setup_clocks(hba, true, POST_CHANGE); > >diff --git a/drivers/scsi/ufs/ufs-exynos.h b/drivers/scsi/ufs/ufs-exynos.h index >bc4b8b0324bd..a0899aaa902e 100644 >--- a/drivers/scsi/ufs/ufs-exynos.h >+++ b/drivers/scsi/ufs/ufs-exynos.h >@@ -200,6 +200,7 @@ struct exynos_ufs { > #define EXYNOS_UFS_OPT_BROKEN_AUTO_CLK_CTRL BIT(2) > #define EXYNOS_UFS_OPT_BROKEN_RX_SEL_IDX BIT(3) > #define EXYNOS_UFS_OPT_USE_SW_HIBERN8_TIMER BIT(4) >+#define EXYNOS_UFS_OPT_SKIP_CONFIG_PHY_ATTR BIT(5) > }; > > #define for_each_ufs_rx_lane(ufs, i) \ >-- >2.33.0
diff --git a/drivers/scsi/ufs/ufs-exynos.c b/drivers/scsi/ufs/ufs-exynos.c index a3160d9bd234..73833c186ca9 100644 --- a/drivers/scsi/ufs/ufs-exynos.c +++ b/drivers/scsi/ufs/ufs-exynos.c @@ -831,8 +831,10 @@ static int exynos_ufs_pre_link(struct ufs_hba *hba) /* m-phy */ exynos_ufs_phy_init(ufs); - exynos_ufs_config_phy_time_attr(ufs); - exynos_ufs_config_phy_cap_attr(ufs); + if (!(ufs->opts & EXYNOS_UFS_OPT_SKIP_CONFIG_PHY_ATTR)) { + exynos_ufs_config_phy_time_attr(ufs); + exynos_ufs_config_phy_cap_attr(ufs); + } exynos_ufs_setup_clocks(hba, true, POST_CHANGE); diff --git a/drivers/scsi/ufs/ufs-exynos.h b/drivers/scsi/ufs/ufs-exynos.h index bc4b8b0324bd..a0899aaa902e 100644 --- a/drivers/scsi/ufs/ufs-exynos.h +++ b/drivers/scsi/ufs/ufs-exynos.h @@ -200,6 +200,7 @@ struct exynos_ufs { #define EXYNOS_UFS_OPT_BROKEN_AUTO_CLK_CTRL BIT(2) #define EXYNOS_UFS_OPT_BROKEN_RX_SEL_IDX BIT(3) #define EXYNOS_UFS_OPT_USE_SW_HIBERN8_TIMER BIT(4) +#define EXYNOS_UFS_OPT_SKIP_CONFIG_PHY_ATTR BIT(5) }; #define for_each_ufs_rx_lane(ufs, i) \
To skip exynos_ufs_config_phy_*_attr settings for exynos-ufs variant, this patch provides EXYNOS_UFS_OPT_SKIP_CONFIG_PHY_ATTR as an opts flag. 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 | 6 ++++-- drivers/scsi/ufs/ufs-exynos.h | 1 + 2 files changed, 5 insertions(+), 2 deletions(-)