* [PATCH 9/9] mtip32xx: increase wait time for hba reset
@ 2015-05-11 22:57 Asai Thambi SP
0 siblings, 0 replies; only message in thread
From: Asai Thambi SP @ 2015-05-11 22:57 UTC (permalink / raw)
To: Jens Axboe; +Cc: linux-kernel, Sam Bradshaw, Selvan Mani
In LUN failure conditions, device takes longer time to complete the hba reset.
Increased wait time from 1 second to 10 seconds.
Signed-off-by: Sam Bradshaw <sbradshaw@micron.com>
Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com>
---
drivers/block/mtip32xx/mtip32xx.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index f8c12e1..09e6480 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -269,8 +269,11 @@ static int mtip_hba_reset(struct driver_data *dd)
/* Flush */
readl(dd->mmio + HOST_CTL);
- /* Spin for up to 2 seconds, waiting for reset acknowledgement */
- timeout = jiffies + msecs_to_jiffies(2000);
+ /*
+ * Spin for up to 10 seconds waiting for reset acknowledgement. Spec
+ * is 1 sec but in LUN failure conditions, up to 10 secs are required
+ */
+ timeout = jiffies + msecs_to_jiffies(10000);
do {
mdelay(10);
if (test_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag))
--
1.7.1
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2015-05-11 22:57 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2015-05-11 22:57 [PATCH 9/9] mtip32xx: increase wait time for hba reset Asai Thambi SP
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.