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mmc: host: tmio: don't BUG on unsupported stop commands

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Halting the kernel on an unsupported stop command seems overkill, report
the error and say what we already did (due to autocmd12) instead.

Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
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 11:09:18 +01:00 committed by Ulf Hansson
parent d8acd16c84
commit 022f731e03
1 changed files with 5 additions and 4 deletions
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9
drivers/mmc/host/tmio_mmc_pio.c
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@ -553,10 +553,11 @@ void tmio_mmc_do_data_irq(struct tmio_mmc_host *host)
}
if (stop) {
if (stop->opcode == MMC_STOP_TRANSMISSION && !stop->arg)
sd_ctrl_write16(host, CTL_STOP_INTERNAL_ACTION, 0);
else
BUG();
if (stop->opcode != MMC_STOP_TRANSMISSION || stop->arg)
dev_err(&host->pdev->dev, "unsupported stop: CMD%u,0x%x. We did CMD12,0\n",
stop->opcode, stop->arg);
sd_ctrl_write16(host, CTL_STOP_INTERNAL_ACTION, 0);
}
schedule_work(&host->done);