diff options
| -rw-r--r-- | drivers/block/rsxx/cregs.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/block/rsxx/cregs.c b/drivers/block/rsxx/cregs.c index 4914464c19f..926dce9c452 100644 --- a/drivers/block/rsxx/cregs.c +++ b/drivers/block/rsxx/cregs.c @@ -431,6 +431,15 @@ static int __issue_creg_rw(struct rsxx_cardinfo *card, *hw_stat = completion.creg_status; if (completion.st) { + /* + * This read is needed to verify that there has not been any + * extreme errors that might have occurred, i.e. EEH. The + * function iowrite32 will not detect EEH errors, so it is + * necessary that we recover if such an error is the reason + * for the timeout. This is a dummy read. + */ + ioread32(card->regmap + SCRATCH); + dev_warn(CARD_TO_DEV(card), "creg command failed(%d x%08x)\n", completion.st, addr); |