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Diffstat (limited to 'drivers/s390/cio/ccwreq.c')
-rw-r--r--drivers/s390/cio/ccwreq.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/s390/cio/ccwreq.c b/drivers/s390/cio/ccwreq.c
index a6e205a384b2..9509e3860934 100644
--- a/drivers/s390/cio/ccwreq.c
+++ b/drivers/s390/cio/ccwreq.c
@@ -82,7 +82,7 @@ static void ccwreq_do(struct ccw_device *cdev)
/* Perform start function. */
sch->lpm = 0xff;
memset(&cdev->private->irb, 0, sizeof(struct irb));
- rc = cio_start(sch, cp, req->mask);
+ rc = cio_start(sch, cp, (u8) req->mask);
if (rc == 0) {
/* I/O started successfully. */
ccw_device_set_timeout(cdev, req->timeout);
@@ -116,7 +116,8 @@ void ccw_request_start(struct ccw_device *cdev)
{
struct ccw_request *req = &cdev->private->req;
- req->mask = 0x80;
+ /* Try all paths twice to counter link flapping. */
+ req->mask = 0x8080;
req->retries = req->maxretries;
req->mask = lpm_adjust(req->mask, req->lpm);
req->drc = 0;
@@ -212,7 +213,7 @@ static void ccwreq_log_status(struct ccw_device *cdev, enum io_status status)
} __attribute__ ((packed)) data;
data.dev_id = cdev->private->dev_id;
data.retries = req->retries;
- data.lpm = req->mask;
+ data.lpm = (u8) req->mask;
data.status = (u8) status;
CIO_TRACE_EVENT(2, "reqstat");
CIO_HEX_EVENT(2, &data, sizeof(data));