ar71xx: use the RLE library for RB751

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33338 3c298f89-4303-0410-b956-a3cf2f4a3e73

4 files changed, 17 insertions, 42 deletions

diff --git a/target/linux/ar71xx/config-3.3 b/target/linux/ar71xx/config-3.3
index 3b3ace5068..117e847b07 100644
--- a/target/linux/ar71xx/config-3.3
+++ b/target/linux/ar71xx/config-3.3
@@ -188,7 +188,7 @@ CONFIG_PCI_DOMAINS=y
 CONFIG_PERF_USE_VMALLOC=y
 CONFIG_PHYLIB=y
 # CONFIG_PREEMPT_RCU is not set
-# CONFIG_RLE_DECOMPRESS is not set
+CONFIG_RLE_DECOMPRESS=y
 CONFIG_RTL8306_PHY=y
 CONFIG_RTL8366RB_PHY=y
 CONFIG_RTL8366S_PHY=y
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-rb750.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-rb750.c
index b180621c2a..305fa2f87a 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/mach-rb750.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-rb750.c
@@ -14,6 +14,7 @@
 #include <linux/platform_device.h>
 #include <linux/phy.h>
 #include <linux/ar8216_platform.h>
+#include <linux/rle.h>
 
 #include <asm/mach-ath79/ar71xx_regs.h>
 #include <asm/mach-ath79/ath79.h>
@@ -276,45 +277,16 @@ static void __init rb750gr3_setup(void)
 MIPS_MACHINE(ATH79_MACH_RB_750G_R3, "750Gr3", "MikroTik RouterBOARD 750GL",
 	     rb750gr3_setup);
 
-static int decode_rle(char *output, int len, char *in)
-{
-	char *ptr = output;
-	char *end = output + len;
-
-	if (!output || !in)
-		return -EINVAL;
-
-	while (*in) {
-		if (*in < 0) {
-			int i = -*in++;
-			while (i-- > 0) {
-				if (ptr >= end)
-					return -EINVAL;
-				*ptr++ = *in++;
-			}
-		} else if (*in > 0) {
-			int i = *in++;
-			while (i-- > 0) {
-				if (ptr >= end)
-					return -EINVAL;
-				*ptr++ = *in;
-			}
-			in++;
-		}
-	}
-
-	return ptr - output;
-}
-
 #define RB751_HARDCONFIG 0x1f00b000
 #define RB751_MAC_ADDRESS_OFFSET 0xE80
 #define RB751_CALDATA_OFFSET 0x27C
+#define RB751_CALDATA_SIZE	0xc00
 
 static void __init rb751_wlan_setup(void)
 {
 	u8 *hardconfig = (u8 *) KSEG1ADDR(RB751_HARDCONFIG);
 	struct ath9k_platform_data *wmac_data;
-	int dec_size;
+	int err;
 
 	wmac_data = ap9x_pci_get_wmac_data(0);
 	if (!wmac_data) {
@@ -324,10 +296,12 @@ static void __init rb751_wlan_setup(void)
 
 	ap9x_pci_setup_wmac_led_pin(0, 9);
 
-	dec_size = decode_rle((char *) wmac_data->eeprom_data,
-			      sizeof(wmac_data->eeprom_data),
-			      hardconfig + RB751_CALDATA_OFFSET);
-	if (dec_size != sizeof(wmac_data->eeprom_data)) {
+	err = rle_decode(hardconfig + RB751_CALDATA_OFFSET,
+			 RB751_CALDATA_SIZE,
+			 (unsigned char *) wmac_data->eeprom_data,
+			 sizeof(wmac_data->eeprom_data),
+			 NULL, NULL);
+	if (err) {
 		pr_err("rb75x: unable to decode wlan eeprom data\n");
 		return;
 	}
diff --git a/target/linux/ar71xx/patches-3.3/610-MIPS-ath79-openwrt-machines.patch b/target/linux/ar71xx/patches-3.3/610-MIPS-ath79-openwrt-machines.patch
index 10fefd067e..0efdee15af 100644
--- a/target/linux/ar71xx/patches-3.3/610-MIPS-ath79-openwrt-machines.patch
+++ b/target/linux/ar71xx/patches-3.3/610-MIPS-ath79-openwrt-machines.patch
@@ -189,7 +189,7 @@
  config ATH79_MACH_PB44
  	bool "Atheros PB44 reference board"
  	select SOC_AR71XX
-@@ -66,6 +137,427 @@ config ATH79_MACH_PB44
+@@ -66,6 +137,428 @@ config ATH79_MACH_PB44
  	  Say 'Y' here if you want your kernel to support the
  	  Atheros PB44 reference board.
  
@@ -379,6 +379,7 @@
 +	select ATH79_DEV_ETH
 +	select ATH79_DEV_AP9X_PCI if PCI
 +	select ATH79_DEV_USB
++	select RLE_DECOMPRESS
 +
 +config ATH79_MACH_WNDR3700
 +	bool "NETGEAR WNDR3700 board support"
@@ -617,7 +618,7 @@
  config ATH79_MACH_UBNT_XM
  	bool "Ubiquiti Networks XM (rev 1.0) board"
  	select SOC_AR724X
-@@ -79,6 +571,24 @@ config ATH79_MACH_UBNT_XM
+@@ -79,6 +572,24 @@ config ATH79_MACH_UBNT_XM
  	  Say 'Y' here if you want your kernel to support the
  	  Ubiquiti Networks XM (rev 1.0) board.
  
@@ -642,7 +643,7 @@
  endmenu
  
  config SOC_AR71XX
-@@ -114,10 +624,6 @@ config SOC_QCA955X
+@@ -114,10 +625,6 @@ config SOC_QCA955X
  	select PCI_AR724X if PCI
  	def_bool n
  
@@ -653,7 +654,7 @@
  config ATH79_DEV_AP9X_PCI
  	select ATH79_PCI_ATH9K_FIXUP
  	def_bool n
-@@ -128,7 +634,14 @@ config ATH79_DEV_DSA
+@@ -128,7 +635,14 @@ config ATH79_DEV_DSA
  config ATH79_DEV_ETH
  	def_bool n
  
@@ -669,7 +670,7 @@
  	def_bool n
  
  config ATH79_DEV_GPIO_BUTTONS
-@@ -153,4 +666,7 @@ config ATH79_NVRAM
+@@ -153,4 +667,7 @@ config ATH79_NVRAM
  config ATH79_PCI_ATH9K_FIXUP
  	def_bool n
  
diff --git a/target/linux/ar71xx/patches-3.3/611-TEW-712BR-support.patch b/target/linux/ar71xx/patches-3.3/611-TEW-712BR-support.patch
index 994e1c3eb6..94a056aa51 100644
--- a/target/linux/ar71xx/patches-3.3/611-TEW-712BR-support.patch
+++ b/target/linux/ar71xx/patches-3.3/611-TEW-712BR-support.patch
@@ -1,6 +1,6 @@
 --- a/arch/mips/ath79/Kconfig
 +++ b/arch/mips/ath79/Kconfig
-@@ -549,6 +549,16 @@ config ATH79_MACH_TEW_673GRU
+@@ -550,6 +550,16 @@ config ATH79_MACH_TEW_673GRU
  	select ATH79_DEV_USB
  	select ATH79_NVRAM