| Message ID | 58ca12e09b5434fd152687fe53706ff0948a2304.1604907361.git.weijie.gao@mediatek.com |
|---|---|
| State | Superseded |
| Delegated to: | Daniel Schwierzeck |
| Headers | show |
| Series | Add support for MediaTek MT7620 SoC | expand |
On 09.11.20 09:28, Weijie Gao wrote: > Currently this driver does not set the value of plat->cfg.f_max, which > results in that MMC framework will always run at the lowest frequency. > > This patch sets plat->cfg.f_max to the maximum allowed frequency, which is > half of the source clock frequency. > > Signed-off-by: Weijie Gao <weijie.gao@mediatek.com> Reviewed-by: Stefan Roese <sr@denx.de> Thanks, Stefan > --- > v3 changes: new > --- > drivers/mmc/mtk-sd.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/mmc/mtk-sd.c b/drivers/mmc/mtk-sd.c > index f4ff8822f2..5e24943212 100644 > --- a/drivers/mmc/mtk-sd.c > +++ b/drivers/mmc/mtk-sd.c > @@ -1639,6 +1639,8 @@ static int msdc_drv_probe(struct udevice *dev) > else > cfg->f_min = host->src_clk_freq / (4 * 4095); > > + cfg->f_max = host->src_clk_freq / 2; > + > cfg->b_max = 1024; > cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34; > > Viele Grüße, Stefan
diff --git a/drivers/mmc/mtk-sd.c b/drivers/mmc/mtk-sd.c index f4ff8822f2..5e24943212 100644 --- a/drivers/mmc/mtk-sd.c +++ b/drivers/mmc/mtk-sd.c @@ -1639,6 +1639,8 @@ static int msdc_drv_probe(struct udevice *dev) else cfg->f_min = host->src_clk_freq / (4 * 4095); + cfg->f_max = host->src_clk_freq / 2; + cfg->b_max = 1024; cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
Currently this driver does not set the value of plat->cfg.f_max, which results in that MMC framework will always run at the lowest frequency. This patch sets plat->cfg.f_max to the maximum allowed frequency, which is half of the source clock frequency. Signed-off-by: Weijie Gao <weijie.gao@mediatek.com> --- v3 changes: new --- drivers/mmc/mtk-sd.c | 2 ++ 1 file changed, 2 insertions(+)