| Message ID | 20231225093839.22931-2-mengqi.zhang@mediatek.com |
|---|---|
| State | New |
| Headers | show |
| Series | mmc: core: Add HS400 tuning in HS400es initialization | expand |
On Mon, 25 Dec 2023 at 10:39, Mengqi Zhang <mengqi.zhang@mediatek.com> wrote: > > During the initialization to HS400es stage, add hs400 tuning flow as an > optional process. For Mediatek IP, HS00es mode requires a specific > tuning to ensure the correct HS400 timing setting. > > Signed-off-by: Mengqi Zhang <mengqi.zhang@mediatek.com> Applied for next, thanks! Kind regards Uffe > --- > v1 https://patchwork.kernel.org/project/linux-mediatek/patch/20231201030547.11553-1-mengqi.zhang@mediatek.com/ > v2 https://patchwork.kernel.org/project/linux-mediatek/patch/20231222062236.26370-1-mengqi.zhang@mediatek.com/ > --- > drivers/mmc/core/mmc.c | 9 +++++++-- > 1 file changed, 7 insertions(+), 2 deletions(-) > > diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c > index 705942edacc6..d5173a9bb4b0 100644 > --- a/drivers/mmc/core/mmc.c > +++ b/drivers/mmc/core/mmc.c > @@ -1822,8 +1822,13 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, > > if (err) > goto free_card; > - > - } else if (!mmc_card_hs400es(card)) { > + } else if (mmc_card_hs400es(card)) { > + if (host->ops->execute_hs400_tuning) { > + err = host->ops->execute_hs400_tuning(host, card); > + if (err) > + goto free_card; > + } > + } else { > /* Select the desired bus width optionally */ > err = mmc_select_bus_width(card); > if (err > 0 && mmc_card_hs(card)) { > -- > 2.25.1 >
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 705942edacc6..d5173a9bb4b0 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -1822,8 +1822,13 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, if (err) goto free_card; - - } else if (!mmc_card_hs400es(card)) { + } else if (mmc_card_hs400es(card)) { + if (host->ops->execute_hs400_tuning) { + err = host->ops->execute_hs400_tuning(host, card); + if (err) + goto free_card; + } + } else { /* Select the desired bus width optionally */ err = mmc_select_bus_width(card); if (err > 0 && mmc_card_hs(card)) {
During the initialization to HS400es stage, add hs400 tuning flow as an optional process. For Mediatek IP, HS00es mode requires a specific tuning to ensure the correct HS400 timing setting. Signed-off-by: Mengqi Zhang <mengqi.zhang@mediatek.com> --- v1 https://patchwork.kernel.org/project/linux-mediatek/patch/20231201030547.11553-1-mengqi.zhang@mediatek.com/ v2 https://patchwork.kernel.org/project/linux-mediatek/patch/20231222062236.26370-1-mengqi.zhang@mediatek.com/ --- drivers/mmc/core/mmc.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)