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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2013-09-07 04:53:35 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2013-09-07 04:53:35 +0200 |
| commit | eeca9fad52fc4bfdf42c38bfcf383e932eb3e9d6 (patch) | |
| tree | cc51c880459d41c0e8d7576405bef4c987bc7aa0 /drivers/block/rsxx/cregs.c | |
| parent | hwrng: via - Add MODULE_DEVICE_TABLE (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 (diff) | |
| download | linux-eeca9fad52fc4bfdf42c38bfcf383e932eb3e9d6.tar.xz linux-eeca9fad52fc4bfdf42c38bfcf383e932eb3e9d6.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Merge upstream tree in order to reinstate crct10dif.
Diffstat (limited to 'drivers/block/rsxx/cregs.c')
| -rw-r--r-- | drivers/block/rsxx/cregs.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/block/rsxx/cregs.c b/drivers/block/rsxx/cregs.c index 4b5c020a0a65..926dce9c452f 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); @@ -727,6 +736,11 @@ int rsxx_creg_setup(struct rsxx_cardinfo *card) { card->creg_ctrl.active_cmd = NULL; + card->creg_ctrl.creg_wq = + create_singlethread_workqueue(DRIVER_NAME"_creg"); + if (!card->creg_ctrl.creg_wq) + return -ENOMEM; + INIT_WORK(&card->creg_ctrl.done_work, creg_cmd_done); mutex_init(&card->creg_ctrl.reset_lock); INIT_LIST_HEAD(&card->creg_ctrl.queue); |