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linux-sg2042
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mmc: host: tmio: fill in response from auto cmd12 

After we received the dataend interrupt, R1 response register carries
the value from the automatically generated stop command. Report that
info back to the MMC block layer, so we will be notified in case of e.g.
ECC errors which happened during the last transfer.

Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Wolfram Sang 2017-03-14 11:09:19 +01:00 committed by Ulf Hansson
parent 022f731e03
commit eb7c00e146
1 changed files with 3 additions and 0 deletions
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3
drivers/mmc/host/tmio_mmc_pio.c
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@ -557,6 +557,9 @@ void tmio_mmc_do_data_irq(struct tmio_mmc_host *host)
dev_err(&host->pdev->dev, "unsupported stop: CMD%u,0x%x. We did CMD12,0\n",
stop->opcode, stop->arg);
/* fill in response from auto CMD12 */
stop->resp[0] = sd_ctrl_read16_and_16_as_32(host, CTL_RESPONSE);
sd_ctrl_write16(host, CTL_STOP_INTERNAL_ACTION, 0);
}