On Tue, Mar 1, 2022 at 8:04 PM Shawn Lin <shawn.lin@xxxxxxxxxxxxxx> wrote:
>
> Hi Peter,
>
> 在 2022/3/1 6:36, Peter Geis 写道:
> > The dw_mmc-rockchip driver drops a large amound of logspam constantly
> > when the cd-broken flag is enabled.
> > Set the warning to be debug ratelimited in this case.
> >
>
> May I know which platform did you use?
It's rk3566.
>
> > Signed-off-by: Peter Geis <pgwipeout@xxxxxxxxx>
> > ---
> > drivers/mmc/host/dw_mmc-rockchip.c | 9 +++++++--
> > 1 file changed, 7 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/mmc/host/dw_mmc-rockchip.c b/drivers/mmc/host/dw_mmc-rockchip.c
> > index 95d0ec0f5f3a..d0ebf0afa42a 100644
> > --- a/drivers/mmc/host/dw_mmc-rockchip.c
> > +++ b/drivers/mmc/host/dw_mmc-rockchip.c
> > @@ -50,8 +50,13 @@ static void dw_mci_rk3288_set_ios(struct dw_mci *host, struct mmc_ios *ios)
> > cclkin = ios->clock * RK3288_CLKGEN_DIV;
> >
> > ret = clk_set_rate(host->ciu_clk, cclkin);
> > - if (ret)
> > - dev_warn(host->dev, "failed to set rate %uHz\n", ios->clock);
> > + if (ret) {
> > + /* this screams when card detection is broken */
> > + if (host->slot->mmc->caps & MMC_CAP_NEEDS_POLL)
> > + dev_dbg_ratelimited(host->dev, "failed to set rate %uHz\n", ios->clock);
> > + else
> > + dev_warn(host->dev, "failed to set rate %uHz\n", ios->clock);
> > + }
> >
> > bus_hz = clk_get_rate(host->ciu_clk) / RK3288_CLKGEN_DIV;
> > if (bus_hz != host->bus_hz) {
>
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