[SCSI] dc395x: atomic_kmap for PIO

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/scsi/tmscsim.c b/drivers/scsi/tmscsim.c
index 9589c67de535..386bd6c67e73 100644
--- a/drivers/scsi/tmscsim.c
+++ b/drivers/scsi/tmscsim.c
@@ -988,7 +988,15 @@ din_1:
 
             if( residual )
             {
+                static int feedback_requested;
                 bval = DC390_read8 (ScsiFifo);      /* get one residual byte */
+
+                if (!feedback_requested) {
+                        feedback_requested = 1;
+                        printk(KERN_WARNING "%s: Please, contact <linux-scsi@vger.kernel.org> "
+                               "to help improve support for your system.\n", __FILE__);
+                }
+
                 ptr = (u8 *) bus_to_virt( pSRB->SGBusAddr );
                 *ptr = bval;
                 pSRB->SGBusAddr++; xferCnt++;