linux-kernel - [PATCH 3.14 46/92] [SCSI] bfa: Replace large udelay() with mdelay()

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Message-Id: <20150502190114.986996322@linuxfoundation.org>
Date:	Sat,  2 May 2015 21:03:01 +0200
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Vagrant Cascadian <vagrant@...ian.org>,
	Ben Hutchings <ben@...adent.org.uk>,
	James Bottomley <JBottomley@...allels.com>,
	Guenter Roeck <linux@...ck-us.net>
Subject: [PATCH 3.14 46/92] [SCSI] bfa: Replace large udelay() with mdelay()

3.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ben Hutchings <ben@...adent.org.uk>

commit b367dcaa512922e9207160bef0895622cfae4c9f upstream.

udelay() does not work on some architectures for values above
2000, in particular on ARM:

ERROR: "__bad_udelay" [drivers/scsi/bfa/bfa.ko] undefined!

Reported-by: Vagrant Cascadian <vagrant@...ian.org>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
Signed-off-by: James Bottomley <JBottomley@...allels.com>
Cc: Guenter Roeck <linux@...ck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/scsi/bfa/bfa_ioc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/scsi/bfa/bfa_ioc.c
+++ b/drivers/scsi/bfa/bfa_ioc.c
@@ -7006,7 +7006,7 @@ bfa_flash_sem_get(void __iomem *bar)
 	while (!bfa_raw_sem_get(bar)) {
 		if (--n <= 0)
 			return BFA_STATUS_BADFLASH;
-		udelay(10000);
+		mdelay(10);
 	}
 	return BFA_STATUS_OK;
 }


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