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Subject[PATCH 9/9] mtip32xx: increase wait time for hba reset
Date
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



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