svn commit: r242825 - head/sys/dev/drm

[Roman Divacky]

Author: rdivacky
Date: Fri Nov  9 14:46:23 2012
New Revision: 242825
URL: http://svnweb.freebsd.org/changeset/base/242825

Log:
  Cast VIA_READ to (void) where the result is unused.

Modified:
  head/sys/dev/drm/via_dma.c
  head/sys/dev/drm/via_dmablit.c

Modified: head/sys/dev/drm/via_dma.c
==============================================================================
--- head/sys/dev/drm/via_dma.c  Fri Nov  9 14:14:51 2012        (r242824)
+++ head/sys/dev/drm/via_dma.c  Fri Nov  9 14:46:23 2012        (r242825)
@@ -481,7 +481,7 @@ static int via_hook_segment(drm_via_priv
                        VIA_WRITE(VIA_REG_TRANSET, (HC_ParaType_PreCR << 16));
                        VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_hi);
                        VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_lo);
-                       VIA_READ(VIA_REG_TRANSPACE);
+                       (void)VIA_READ(VIA_REG_TRANSPACE);
                }
        }
        return paused;
@@ -569,7 +569,7 @@ static void via_cmdbuf_start(drm_via_pri
        VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_lo);
        DRM_WRITEMEMORYBARRIER();
        VIA_WRITE(VIA_REG_TRANSPACE, command | HC_HAGPCMNT_MASK);
-       VIA_READ(VIA_REG_TRANSPACE);
+       (void)VIA_READ(VIA_REG_TRANSPACE);
 
        dev_priv->dma_diff = 0;
 

Modified: head/sys/dev/drm/via_dmablit.c
==============================================================================
--- head/sys/dev/drm/via_dmablit.c      Fri Nov  9 14:14:51 2012        
(r242824)
+++ head/sys/dev/drm/via_dmablit.c      Fri Nov  9 14:46:23 2012        
(r242825)
@@ -210,7 +210,7 @@ via_fire_dmablit(struct drm_device *dev,
        VIA_WRITE(VIA_PCI_DMA_DPR0 + engine*0x10, vsg->chain_start);
        DRM_WRITEMEMORYBARRIER();
        VIA_WRITE(VIA_PCI_DMA_CSR0 + engine*0x04, VIA_DMA_CSR_DE | 
VIA_DMA_CSR_TS);
-       VIA_READ(VIA_PCI_DMA_CSR0 + engine*0x04);
+       (void)VIA_READ(VIA_PCI_DMA_CSR0 + engine*0x04);
 }
 
 
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