mtip32xx: increase wait time for hba reset
authorAsai Thambi SP <asamymuthupa@micron.com>
Mon, 11 May 2015 22:57:16 +0000 (15:57 -0700)
committerJens Axboe <axboe@fb.com>
Tue, 16 Jun 2015 14:24:53 +0000 (08:24 -0600)
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>
Signed-off-by: Jens Axboe <axboe@fb.com>
drivers/block/mtip32xx/mtip32xx.c

index 0b223e3058c0cfb0a1d08df7fbaaed17ac4842f4..144e7d97b647a52a50bee1d60dd757ad09e06163 100644 (file)
@@ -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))