Message ID | 002201cf11fb$c63ffee0$52bffca0$%jun@samsung.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On 15 January 2014 15:12, Seungwon Jeon <tgih.jun@samsung.com> wrote: > Replaced UHS_DDR50 with MMC_DDR52. > > CC: Guennadi Liakhovetski <g.liakhovetski@gmx.de> > Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> > --- > drivers/mmc/host/sh_mmcif.c | 9 +++++---- > 1 files changed, 5 insertions(+), 4 deletions(-) > > diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c > index 54730f4..656fbba 100644 > --- a/drivers/mmc/host/sh_mmcif.c > +++ b/drivers/mmc/host/sh_mmcif.c > @@ -803,12 +803,13 @@ static u32 sh_mmcif_set_cmd(struct sh_mmcif_host *host, > break; > } > switch (host->timing) { > - case MMC_TIMING_UHS_DDR50: > + case MMC_TIMING_MMC_DDR52: What about UHS SD cards? Kind regards Ulf Hansson > /* > * MMC core will only set this timing, if the host > - * advertises the MMC_CAP_UHS_DDR50 capability. MMCIF > - * implementations with this capability, e.g. sh73a0, > - * will have to set it in their platform data. > + * advertises the MMC_CAP_1_8V_DDR/MMC_CAP_1_2V_DDR > + * capability. MMCIF implementations with this > + * capability, e.g. sh73a0, will have to set it > + * in their platform data. > */ > tmp |= CMD_SET_DARS; > break; > -- > 1.7.0.4 > > -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Thu, January 16, 2014, Ulf Hansson wrote: > On 15 January 2014 15:12, Seungwon Jeon <tgih.jun@samsung.com> wrote: > > Replaced UHS_DDR50 with MMC_DDR52. > > > > CC: Guennadi Liakhovetski <g.liakhovetski@gmx.de> > > Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> > > --- > > drivers/mmc/host/sh_mmcif.c | 9 +++++---- > > 1 files changed, 5 insertions(+), 4 deletions(-) > > > > diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c > > index 54730f4..656fbba 100644 > > --- a/drivers/mmc/host/sh_mmcif.c > > +++ b/drivers/mmc/host/sh_mmcif.c > > @@ -803,12 +803,13 @@ static u32 sh_mmcif_set_cmd(struct sh_mmcif_host *host, > > break; > > } > > switch (host->timing) { > > - case MMC_TIMING_UHS_DDR50: > > + case MMC_TIMING_MMC_DDR52: > > What about UHS SD cards? I guess that there is no implementation related to voltage switch for UHS support. MMC_TIMING_UHS_DDR50 looks like pointing eMMC's DDR. Guennadi, Can you check this more? Thanks, Seungwon Jeon > > Kind regards > Ulf Hansson > > > /* > > * MMC core will only set this timing, if the host > > - * advertises the MMC_CAP_UHS_DDR50 capability. MMCIF > > - * implementations with this capability, e.g. sh73a0, > > - * will have to set it in their platform data. > > + * advertises the MMC_CAP_1_8V_DDR/MMC_CAP_1_2V_DDR > > + * capability. MMCIF implementations with this > > + * capability, e.g. sh73a0, will have to set it > > + * in their platform data. > > */ > > tmp |= CMD_SET_DARS; > > break; > > -- > > 1.7.0.4 > > > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-mmc" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Hi Guennadi, Do you have any idea for this change? Could you check? Thanks, Seungwon Jeon On Fri, January 17, 2014, Seungwon Jeon wrote: > On Thu, January 16, 2014, Ulf Hansson wrote: > > On 15 January 2014 15:12, Seungwon Jeon <tgih.jun@samsung.com> wrote: > > > Replaced UHS_DDR50 with MMC_DDR52. > > > > > > CC: Guennadi Liakhovetski <g.liakhovetski@gmx.de> > > > Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> > > > --- > > > drivers/mmc/host/sh_mmcif.c | 9 +++++---- > > > 1 files changed, 5 insertions(+), 4 deletions(-) > > > > > > diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c > > > index 54730f4..656fbba 100644 > > > --- a/drivers/mmc/host/sh_mmcif.c > > > +++ b/drivers/mmc/host/sh_mmcif.c > > > @@ -803,12 +803,13 @@ static u32 sh_mmcif_set_cmd(struct sh_mmcif_host *host, > > > break; > > > } > > > switch (host->timing) { > > > - case MMC_TIMING_UHS_DDR50: > > > + case MMC_TIMING_MMC_DDR52: > > > > What about UHS SD cards? > I guess that there is no implementation related to voltage switch for UHS support. > MMC_TIMING_UHS_DDR50 looks like pointing eMMC's DDR. > > Guennadi, > Can you check this more? > > Thanks, > Seungwon Jeon > > > > > Kind regards > > Ulf Hansson > > > > > /* > > > * MMC core will only set this timing, if the host > > > - * advertises the MMC_CAP_UHS_DDR50 capability. MMCIF > > > - * implementations with this capability, e.g. sh73a0, > > > - * will have to set it in their platform data. > > > + * advertises the MMC_CAP_1_8V_DDR/MMC_CAP_1_2V_DDR > > > + * capability. MMCIF implementations with this > > > + * capability, e.g. sh73a0, will have to set it > > > + * in their platform data. > > > */ > > > tmp |= CMD_SET_DARS; > > > break; > > > -- > > > 1.7.0.4 > > > > > > > > -- > > To unsubscribe from this list: send the line "unsubscribe linux-mmc" in > > the body of a message to majordomo@vger.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c index 54730f4..656fbba 100644 --- a/drivers/mmc/host/sh_mmcif.c +++ b/drivers/mmc/host/sh_mmcif.c @@ -803,12 +803,13 @@ static u32 sh_mmcif_set_cmd(struct sh_mmcif_host *host, break; } switch (host->timing) { - case MMC_TIMING_UHS_DDR50: + case MMC_TIMING_MMC_DDR52: /* * MMC core will only set this timing, if the host - * advertises the MMC_CAP_UHS_DDR50 capability. MMCIF - * implementations with this capability, e.g. sh73a0, - * will have to set it in their platform data. + * advertises the MMC_CAP_1_8V_DDR/MMC_CAP_1_2V_DDR + * capability. MMCIF implementations with this + * capability, e.g. sh73a0, will have to set it + * in their platform data. */ tmp |= CMD_SET_DARS; break;
Replaced UHS_DDR50 with MMC_DDR52. CC: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> --- drivers/mmc/host/sh_mmcif.c | 9 +++++---- 1 files changed, 5 insertions(+), 4 deletions(-)