Quoting Sasha Levin (2021-08-26 11:51:12) > On Thu, Aug 26, 2021 at 07:51:45AM +0000, Stephen Boyd wrote: > >From cd5d41c802f7b3e20c0c0ebd6bf0cb335954fd89 Mon Sep 17 00:00:00 2001 > >From: Shaik Sajida Bhanu <sbhanu@xxxxxxxxxxxxxx> > >Date: Fri, 16 Jul 2021 17:16:14 +0530 > >Subject: [PATCH] mmc: sdhci-msm: Update the software timeout value for sdhc > > > >commit 67b13f3e221ed81b46a657e2b499bf8b20162476 upstream. > > > >Whenever SDHC run at clock rate 50MHZ or below, the hardware data > >timeout value will be 21.47secs, which is approx. 22secs and we have > >a current software timeout value as 10secs. We have to set software > >timeout value more than the hardware data timeout value to avioid seeing > >the below register dumps. > > > >[ 332.953670] mmc2: Timeout waiting for hardware interrupt. > >[ 332.959608] mmc2: sdhci: ============ SDHCI REGISTER DUMP =========== > >[ 332.966450] mmc2: sdhci: Sys addr: 0x00000000 | Version: 0x00007202 > >[ 332.973256] mmc2: sdhci: Blk size: 0x00000200 | Blk cnt: 0x00000001 > >[ 332.980054] mmc2: sdhci: Argument: 0x00000000 | Trn mode: 0x00000027 > >[ 332.986864] mmc2: sdhci: Present: 0x01f801f6 | Host ctl: 0x0000001f > >[ 332.993671] mmc2: sdhci: Power: 0x00000001 | Blk gap: 0x00000000 > >[ 333.000583] mmc2: sdhci: Wake-up: 0x00000000 | Clock: 0x00000007 > >[ 333.007386] mmc2: sdhci: Timeout: 0x0000000e | Int stat: 0x00000000 > >[ 333.014182] mmc2: sdhci: Int enab: 0x03ff100b | Sig enab: 0x03ff100b > >[ 333.020976] mmc2: sdhci: ACmd stat: 0x00000000 | Slot int: 0x00000000 > >[ 333.027771] mmc2: sdhci: Caps: 0x322dc8b2 | Caps_1: 0x0000808f > >[ 333.034561] mmc2: sdhci: Cmd: 0x0000183a | Max curr: 0x00000000 > >[ 333.041359] mmc2: sdhci: Resp[0]: 0x00000900 | Resp[1]: 0x00000000 > >[ 333.048157] mmc2: sdhci: Resp[2]: 0x00000000 | Resp[3]: 0x00000000 > >[ 333.054945] mmc2: sdhci: Host ctl2: 0x00000000 > >[ 333.059657] mmc2: sdhci: ADMA Err: 0x00000000 | ADMA Ptr: > >0x0000000ffffff218 > >[ 333.067178] mmc2: sdhci_msm: ----------- VENDOR REGISTER DUMP > >----------- > >[ 333.074343] mmc2: sdhci_msm: DLL sts: 0x00000000 | DLL cfg: > >0x6000642c | DLL cfg2: 0x0020a000 > >[ 333.083417] mmc2: sdhci_msm: DLL cfg3: 0x00000000 | DLL usr ctl: > >0x00000000 | DDR cfg: 0x80040873 > >[ 333.092850] mmc2: sdhci_msm: Vndr func: 0x00008a9c | Vndr func2 : > >0xf88218a8 Vndr func3: 0x02626040 > >[ 333.102371] mmc2: sdhci: ============================================ > > > >So, set software timeout value more than hardware timeout value. > > > >Signed-off-by: Shaik Sajida Bhanu <sbhanu@xxxxxxxxxxxxxx> > >Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx> > >Cc: stable@xxxxxxxxxxxxxxx > >Link: https://lore.kernel.org/r/1626435974-14462-1-git-send-email-sbhanu@xxxxxxxxxxxxxx > >Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx> > >Signed-off-by: Stephen Boyd <swboyd@xxxxxxxxxxxx> > >--- > > drivers/mmc/host/sdhci-msm.c | 18 ++++++++++++++++++ > > 1 file changed, 18 insertions(+) > > > >diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c > >index 8bed81cf03ad..8ab963055238 100644 > >--- a/drivers/mmc/host/sdhci-msm.c > >+++ b/drivers/mmc/host/sdhci-msm.c > >@@ -1589,6 +1589,23 @@ static void sdhci_msm_set_clock(struct > >sdhci_host *host, unsigned int clock) > > I've queued this up, thanks! Thanks! > > Note that the patch was linewrapped (see above). Indeed. Must be something wrong with my mailer setup. I'll look into fixing it. Thanks.
