Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752744AbbEKW5U (ORCPT ); Mon, 11 May 2015 18:57:20 -0400 Received: from mailout.micron.com ([137.201.242.129]:52530 "EHLO mailout.micron.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751564AbbEKW5T (ORCPT ); Mon, 11 May 2015 18:57:19 -0400 From: Asai Thambi SP Subject: [PATCH 9/9] mtip32xx: increase wait time for hba reset To: Jens Axboe CC: , Sam Bradshaw , Selvan Mani Message-ID: <555133CC.5050306@micron.com> Date: Mon, 11 May 2015 15:57:16 -0700 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.0 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-TM-AS-Product-Ver: SMEX-11.0.0.4179-7.500.1018-21536.005 X-TM-AS-Result: No--2.859400-0.000000-31 X-TM-AS-User-Approved-Sender: Yes X-TM-AS-User-Blocked-Sender: No X-MT-CheckInternalSenderRule: True Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1306 Lines: 36 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 Signed-off-by: Asai Thambi S P --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/