ar71xx: disable DDR flush for ethernet on AR934x, it is no longer necessary

SVN-Revision: 30409

diff --git a/target/linux/ar71xx/patches-3.2/710-ar934x_no_ddr_flush.patch b/target/linux/ar71xx/patches-3.2/710-ar934x_no_ddr_flush.patch
new file mode 100644 (file)
index 0000000..64ffebf
--- /dev/null
+++ b/target/linux/ar71xx/patches-3.2/710-ar934x_no_ddr_flush.patch
@@ -0,0 +1,49 @@
+--- a/arch/mips/ath79/dev-eth.c
++++ b/arch/mips/ath79/dev-eth.c
+@@ -331,6 +331,10 @@ static void ar934x_set_speed_ge1(int spe
+       /* TODO */
+ }
+ 
++static void ath79_ddr_no_flush(void)
++{
++}
++
+ static void ath79_ddr_flush_ge0(void)
+ {
+       ath79_ddr_wb_flush(AR71XX_DDR_REG_FLUSH_GE0);
+@@ -371,16 +375,6 @@ static void ar933x_ddr_flush_ge1(void)
+       ath79_ddr_wb_flush(AR933X_DDR_REG_FLUSH_GE1);
+ }
+ 
+-static void ar934x_ddr_flush_ge0(void)
+-{
+-      ath79_ddr_wb_flush(AR934X_DDR_REG_FLUSH_GE0);
+-}
+-
+-static void ar934x_ddr_flush_ge1(void)
+-{
+-      ath79_ddr_wb_flush(AR934X_DDR_REG_FLUSH_GE1);
+-}
+-
+ static struct resource ath79_eth0_resources[] = {
+       {
+               .name   = "mac_base",
+@@ -817,17 +811,16 @@ void __init ath79_register_eth(unsigned 
+               if (id == 0) {
+                       pdata->reset_bit = AR934X_RESET_GE0_MAC |
+                                          AR934X_RESET_GE0_MDIO;
+-                      pdata->ddr_flush =ar934x_ddr_flush_ge0;
+                       pdata->set_speed = ar934x_set_speed_ge0;
+               } else {
+                       pdata->reset_bit = AR934X_RESET_GE1_MAC |
+                                          AR934X_RESET_GE1_MDIO;
+-                      pdata->ddr_flush = ar934x_ddr_flush_ge1;
+                       pdata->set_speed = ar934x_set_speed_ge1;
+ 
+                       pdata->switch_data = &ath79_switch_data;
+               }
+ 
++              pdata->ddr_flush = ath79_ddr_no_flush;
+               pdata->has_gbit = 1;
+               pdata->is_ar724x = 1;
+