| Message ID | 20241025131442.112862-3-peter.griffin@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | UFS cleanups and enhancements to ufs-exynos for gs101 | expand |
On 10/25/24 2:14 PM, Peter Griffin wrote: > Move the EXYNOS_UFS_OPT_UFSPR_SECURE check inside exynos_ufs_config_smu(). > > This way all call sites will benefit from the check. This fixes a bug > currently in the exynos_ufs_resume() path on gs101 which will cause > a serror. because resume() calls exynos_ufs_config_smu() and we ended up accessing register fields that we shouldn't have. > > Fixes: d11e0a318df8 ("scsi: ufs: exynos: Add support for Tensor gs101 SoC") Cc: stable@vger.kernel.org Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org> > Signed-off-by: Peter Griffin <peter.griffin@linaro.org> > --- > drivers/ufs/host/ufs-exynos.c | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) > > diff --git a/drivers/ufs/host/ufs-exynos.c b/drivers/ufs/host/ufs-exynos.c > index e25de4b86ac0..939d08bce545 100644 > --- a/drivers/ufs/host/ufs-exynos.c > +++ b/drivers/ufs/host/ufs-exynos.c > @@ -724,6 +724,9 @@ static void exynos_ufs_config_smu(struct exynos_ufs *ufs) > { > u32 reg, val; > > + if (ufs->opts & EXYNOS_UFS_OPT_UFSPR_SECURE) > + return; > + > exynos_ufs_disable_auto_ctrl_hcc_save(ufs, &val); > > /* make encryption disabled by default */ > @@ -1457,8 +1460,8 @@ static int exynos_ufs_init(struct ufs_hba *hba) > if (ret) > goto out; > exynos_ufs_specify_phy_time_attr(ufs); > - if (!(ufs->opts & EXYNOS_UFS_OPT_UFSPR_SECURE)) > - exynos_ufs_config_smu(ufs); > + > + exynos_ufs_config_smu(ufs); > > hba->host->dma_alignment = DATA_UNIT_SIZE - 1; > return 0;
diff --git a/drivers/ufs/host/ufs-exynos.c b/drivers/ufs/host/ufs-exynos.c index e25de4b86ac0..939d08bce545 100644 --- a/drivers/ufs/host/ufs-exynos.c +++ b/drivers/ufs/host/ufs-exynos.c @@ -724,6 +724,9 @@ static void exynos_ufs_config_smu(struct exynos_ufs *ufs) { u32 reg, val; + if (ufs->opts & EXYNOS_UFS_OPT_UFSPR_SECURE) + return; + exynos_ufs_disable_auto_ctrl_hcc_save(ufs, &val); /* make encryption disabled by default */ @@ -1457,8 +1460,8 @@ static int exynos_ufs_init(struct ufs_hba *hba) if (ret) goto out; exynos_ufs_specify_phy_time_attr(ufs); - if (!(ufs->opts & EXYNOS_UFS_OPT_UFSPR_SECURE)) - exynos_ufs_config_smu(ufs); + + exynos_ufs_config_smu(ufs); hba->host->dma_alignment = DATA_UNIT_SIZE - 1; return 0;
Move the EXYNOS_UFS_OPT_UFSPR_SECURE check inside exynos_ufs_config_smu(). This way all call sites will benefit from the check. This fixes a bug currently in the exynos_ufs_resume() path on gs101 which will cause a serror. Fixes: d11e0a318df8 ("scsi: ufs: exynos: Add support for Tensor gs101 SoC") Signed-off-by: Peter Griffin <peter.griffin@linaro.org> --- drivers/ufs/host/ufs-exynos.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)