Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shaggy...

[linux-2.6-omap-h63xx.git] / drivers / s390 / cio / device_id.c

diff --git a/drivers/s390/cio/device_id.c b/drivers/s390/cio/device_id.c
index a74785b9e4ebe9303c4864d857a682f7f79f0259..f17275917fe55a6598e1120b316e8e7695d76c45 100644 (file)
--- a/drivers/s390/cio/device_id.c
+++ b/drivers/s390/cio/device_id.c
@@ -191,6 +191,8 @@ __ccw_device_sense_id_start(struct ccw_device *cdev)
                if ((sch->opm & cdev->private->imask) != 0 &&
                    cdev->private->iretry > 0) {
                        cdev->private->iretry--;
+                       /* Reset internal retry indication. */
+                       cdev->private->flags.intretry = 0;
                        ret = cio_start (sch, cdev->private->iccws,
                                         cdev->private->imask);
                        /* ret is 0, -EBUSY, -EACCES or -ENODEV */
@@ -237,8 +239,14 @@ ccw_device_check_sense_id(struct ccw_device *cdev)
                return 0; /* Success */
        }
        /* Check the error cases. */
-       if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC | SCSW_FCTL_CLEAR_FUNC))
+       if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC | SCSW_FCTL_CLEAR_FUNC)) {
+               /* Retry Sense ID if requested. */
+               if (cdev->private->flags.intretry) {
+                       cdev->private->flags.intretry = 0;
+                       return -EAGAIN;
+               }
                return -ETIME;
+       }
        if (irb->esw.esw0.erw.cons && (irb->ecw[0] & SNS0_CMD_REJECT)) {
                /*
                 * if the device doesn't support the SenseID