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mmc_block: check card state after write
Some cards have been reported to signal that they're ready prematurely. Checking both the busy bit and card state solves the issue. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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1 changed files with 7 additions and 1 deletions
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@ -321,7 +321,13 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
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req->rq_disk->disk_name, err);
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goto cmd_err;
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}
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} while (!(cmd.resp[0] & R1_READY_FOR_DATA));
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/*
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* Some cards mishandle the status bits,
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* so make sure to check both the busy
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* indication and the card state.
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*/
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} while (!(cmd.resp[0] & R1_READY_FOR_DATA) ||
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(R1_CURRENT_STATE(cmd.resp[0]) == 7));
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#if 0
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if (cmd.resp[0] & ~0x00000900)
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