Out of CPU time for the MMC context included into measured timeout. System under heavy load will easily exceed out_of_int_time (typically 20 ms). In this case real card status checked again and error reported for wrong card state only.
Signed-off-by: Konstantin Dorfman <[email protected]> Signed-off-by: Sujith Reddy Thumma <[email protected]> diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index c40396f..4d06ada 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -630,8 +630,11 @@ int mmc_interrupt_hpi(struct mmc_card *card) if (!err && R1_CURRENT_STATE(status) == R1_STATE_TRAN) break; - if (time_after(jiffies, prg_wait)) - err = -ETIMEDOUT; + if (time_after(jiffies, prg_wait)) { + err = mmc_send_status(card, &status); + if (!err && R1_CURRENT_STATE(status) != R1_STATE_TRAN) + err = -ETIMEDOUT; + } } while (!err); out: -- 1.7.6 -- Konstantin Dorfman, QUALCOMM ISRAEL, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
