On Wed, 3 Jan 2024 at 02:41, Wenchao Chen <wenchao.chen666@xxxxxxxxx> wrote:
>
> Gentle ping.
Thanks for pinging and sorry for the delay!
Patch applied for fixes and by adding a stable tag, thanks!
Kind regards
Uffe
>
> Thanks,
> Wenchao.Chen
>
> On Tue, 12 Dec 2023 at 10:57, Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx> wrote:
> >
> >
> >
> > On 12/8/2023 7:52 PM, Wenchao Chen wrote:
> > > On Thu, 7 Dec 2023 at 21:59, Ulf Hansson <ulf.hansson@xxxxxxxxxx> wrote:
> > >>
> > >> On Mon, 4 Dec 2023 at 07:50, Wenchao Chen <wenchao.chen@xxxxxxxxxx> wrote:
> > >>>
> > >>> Some eMMC devices that do not close the auto clk gate
> > >>> after hw reset will cause eMMC initialization to fail.
> > >>>
> > >>> Signed-off-by: Wenchao Chen <wenchao.chen@xxxxxxxxxx>
> > >>
> > >> I assume we want this tagged for stable kernels too, but do we have a
> > >> corresponding fixes commit that we can point out?
> > >>
> > >> Kind regards
> > >> Uffe
> > >>
> > >
> > > Hi Uffe
> > > Sorry, I forgot to add fixes commit.
> > >
> > > Fixes: ff874dbc4f86 ("mmc: sdhci-sprd: Disable CLK_AUTO when the clock
> > > is less than 400K")
> >
> > With the Fixes tag, looks goo to me.
> > Reviewed-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
> >
> > >>> ---
> > >>> drivers/mmc/host/sdhci-sprd.c | 10 +++++++---
> > >>> 1 file changed, 7 insertions(+), 3 deletions(-)
> > >>>
> > >>> diff --git a/drivers/mmc/host/sdhci-sprd.c b/drivers/mmc/host/sdhci-sprd.c
> > >>> index 6b8a57e2d20f..bed57a1c64b5 100644
> > >>> --- a/drivers/mmc/host/sdhci-sprd.c
> > >>> +++ b/drivers/mmc/host/sdhci-sprd.c
> > >>> @@ -239,15 +239,19 @@ static inline void _sdhci_sprd_set_clock(struct sdhci_host *host,
> > >>> div = ((div & 0x300) >> 2) | ((div & 0xFF) << 8);
> > >>> sdhci_enable_clk(host, div);
> > >>>
> > >>> + val = sdhci_readl(host, SDHCI_SPRD_REG_32_BUSY_POSI);
> > >>> + mask = SDHCI_SPRD_BIT_OUTR_CLK_AUTO_EN | SDHCI_SPRD_BIT_INNR_CLK_AUTO_EN;
> > >>> /* Enable CLK_AUTO when the clock is greater than 400K. */
> > >>> if (clk > 400000) {
> > >>> - val = sdhci_readl(host, SDHCI_SPRD_REG_32_BUSY_POSI);
> > >>> - mask = SDHCI_SPRD_BIT_OUTR_CLK_AUTO_EN |
> > >>> - SDHCI_SPRD_BIT_INNR_CLK_AUTO_EN;
> > >>> if (mask != (val & mask)) {
> > >>> val |= mask;
> > >>> sdhci_writel(host, val, SDHCI_SPRD_REG_32_BUSY_POSI);
> > >>> }
> > >>> + } else {
> > >>> + if (val & mask) {
> > >>> + val &= ~mask;
> > >>> + sdhci_writel(host, val, SDHCI_SPRD_REG_32_BUSY_POSI);
> > >>> + }
> > >>> }
> > >>> }
> > >>>
> > >>> --
> > >>> 2.17.1
> > >>>
