Commit b22b4037 authored Oct 21, 2015 by Manoj Kumar Committed by James Bottomley Oct 30, 2015

cxlflash: Fix to double the delay each time



The operator used to double the master context response delay
is incorrect and does not result in delay doubling.

To fix, use a left shift instead of the XOR operator.

Reported-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
Signed-off-by: Manoj N. Kumar <manoj@linux.vnet.ibm.com>
Reviewed-by: Brian King <brking@linux.vnet.ibm.com>
Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>

parent 11f43ae7

drivers/scsi/cxlflash/main.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -303,7 +303,7 @@ static void context_reset(struct afu_cmd *cmd)
		if (rrin != 0x1)
		break;
		/* Double delay each time */
		udelay(2 ^ nretry);
		udelay(2 << nretry);
		} while (nretry++ < MC_ROOM_RETRY_CNT);
		}