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mmc: core: check also R1 response for stop commands
To detect errors like ECC errors, we must parse the R1 response bits. Introduce a helper function to also set the error value of a command when R1 error bits are set. Add ECC error to list of flags checked. Use the new helper for the stop command to call mmc_blk_recovery when detecting ECC errors which are only flagged on the next command after multiblock. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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@ -1359,9 +1359,18 @@ static inline void mmc_apply_rel_rw(struct mmc_blk_request *brq,
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R1_ADDRESS_ERROR | /* Misaligned address */ \
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R1_BLOCK_LEN_ERROR | /* Transferred block length incorrect */\
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R1_WP_VIOLATION | /* Tried to write to protected block */ \
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R1_CARD_ECC_FAILED | /* Card ECC failed */ \
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R1_CC_ERROR | /* Card controller error */ \
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R1_ERROR) /* General/unknown error */
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static bool mmc_blk_has_cmd_err(struct mmc_command *cmd)
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{
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if (!cmd->error && cmd->resp[0] & CMD_ERRORS)
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cmd->error = -EIO;
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return cmd->error;
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}
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static enum mmc_blk_status mmc_blk_err_check(struct mmc_card *card,
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struct mmc_async_req *areq)
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{
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@ -1383,7 +1392,7 @@ static enum mmc_blk_status mmc_blk_err_check(struct mmc_card *card,
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* stop.error indicates a problem with the stop command. Data
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* may have been transferred, or may still be transferring.
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*/
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if (brq->sbc.error || brq->cmd.error || brq->stop.error ||
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if (brq->sbc.error || brq->cmd.error || mmc_blk_has_cmd_err(&brq->stop) ||
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brq->data.error) {
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switch (mmc_blk_cmd_recovery(card, req, brq, &ecc_err, &gen_err)) {
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case ERR_RETRY:
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