diff options
author | Ingo Molnar <mingo@kernel.org> | 2013-10-29 11:23:32 +0100 |
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committer | Ingo Molnar <mingo@kernel.org> | 2013-10-29 11:23:32 +0100 |
commit | aac898548d04c7bff179b79f805874b0d6f87571 (patch) | |
tree | e8de975fd5de6c95bf4329861a872dbcfe0c7ead /drivers/ata/libahci.c | |
parent | 2f5e98802350627ad6f2e3cee4d177059fc0c2f2 (diff) | |
parent | cd65718712469ad844467250e8fad20a5838baae (diff) |
Merge branch 'perf/urgent' into perf/core
Conflicts:
tools/perf/builtin-record.c
tools/perf/builtin-top.c
tools/perf/util/hist.h
Diffstat (limited to 'drivers/ata/libahci.c')
-rw-r--r-- | drivers/ata/libahci.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index acfd0f71106..aaac4fb0d56 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -778,8 +778,16 @@ static void ahci_start_port(struct ata_port *ap) rc = ap->ops->transmit_led_message(ap, emp->led_state, 4); + /* + * If busy, give a breather but do not + * release EH ownership by using msleep() + * instead of ata_msleep(). EM Transmit + * bit is busy for the whole host and + * releasing ownership will cause other + * ports to fail the same way. + */ if (rc == -EBUSY) - ata_msleep(ap, 1); + msleep(1); else break; } |