[PATCH] Spidernet fix register field definitions

This patch fixes the names of a few fields in the DMA control
register. There is no functional change.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Cc: James K Lewis <jklewis@us.ibm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

2 files changed, 12 insertions, 6 deletions

diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c
index 0aed69382b28..2f54cddf75ab 100644
--- a/drivers/net/spider_net.c
+++ b/drivers/net/spider_net.c
@@ -1614,7 +1614,7 @@ spider_net_enable_card(struct spider_net_card *card)
                              SPIDER_NET_INT2_MASK_VALUE);
 
         spider_net_write_reg(card, SPIDER_NET_GDTDMACCNTR,
-                             SPIDER_NET_GDTDCEIDIS);
+                             SPIDER_NET_GDTBSTA | SPIDER_NET_GDTDCEIDIS);
 }
 
 /**
diff --git a/drivers/net/spider_net.h b/drivers/net/spider_net.h
index b2e3570c0106..80f4d2739d49 100644
--- a/drivers/net/spider_net.h
+++ b/drivers/net/spider_net.h
@@ -191,7 +191,9 @@ extern char spider_net_driver_name[];
 #define SPIDER_NET_MACMODE_VALUE        0x00000001
 #define SPIDER_NET_BURSTLMT_VALUE       0x00000200 /* about 16 us */
 
-/* 1(0)                                 enable r/tx dma
+/* DMAC control register GDMACCNTR
+ *
+ * 1(0)                         enable r/tx dma
  *  0000000                             fixed to 0
  *
  *         000000                       fixed to 0
@@ -200,6 +202,7 @@ extern char spider_net_driver_name[];
  *
  *                 000000               fixed to 0
  *                       00             burst alignment: 128 bytes
+ *                       11             burst alignment: 1024 bytes
  *
  *                         00000        fixed to 0
  *                              0       descr writeback size 32 bytes
@@ -210,10 +213,13 @@ extern char spider_net_driver_name[];
 #define SPIDER_NET_DMA_RX_VALUE         0x80000000
 #define SPIDER_NET_DMA_RX_FEND_VALUE    0x00030003
 /* to set TX_DMA_EN */
-#define SPIDER_NET_TX_DMA_EN            0x80000000
-#define SPIDER_NET_GDTDCEIDIS           0x00000302
-#define SPIDER_NET_DMA_TX_VALUE         SPIDER_NET_TX_DMA_EN | \
-                                        SPIDER_NET_GDTDCEIDIS
+#define SPIDER_NET_TX_DMA_EN           0x80000000
+#define SPIDER_NET_GDTBSTA             0x00000300
+#define SPIDER_NET_GDTDCEIDIS          0x00000002
+#define SPIDER_NET_DMA_TX_VALUE        SPIDER_NET_TX_DMA_EN | \
+                                       SPIDER_NET_GDTBSTA | \
+                                       SPIDER_NET_GDTDCEIDIS
+
 #define SPIDER_NET_DMA_TX_FEND_VALUE    0x00030003
 
 /* SPIDER_NET_UA_DESCR_VALUE is OR'ed with the unicast address */