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-rw-r--r--drivers/ata/libata-core.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index f810078fafcc..71218d76d75e 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -5925,8 +5925,10 @@ static void async_port_probe(void *data, async_cookie_t cookie)
* If we're not allowed to scan this host in parallel,
* we need to wait until all previous scans have completed
* before going further.
+ * Jeff Garzik says this is only within a controller, so we
+ * don't need to wait for port 0, only for later ports.
*/
- if (!(ap->host->flags & ATA_HOST_PARALLEL_SCAN))
+ if (!(ap->host->flags & ATA_HOST_PARALLEL_SCAN) && ap->port_no != 0)
async_synchronize_cookie(cookie);
/* probe */