From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Thu, 22 Oct 2015 00:33:25 +0200
Subject: ar71xx: fix ath79_soc_rev value for QCA9531 ver. 2

ath9k expects to get revision id 2 for the QCA9531 ver. 2 rev. 0. This
fixes the very low TX power on some devices like the TP-LINK
TL-WR841ND v10.

As ath79_soc_rev is only used to get the revision number to ath9k on the
QCA9533, just set it to the expected value on the ver. 2.

diff --git a/target/linux/ar71xx/patches-3.18/707-MIPS-ath79-add-support-for-QCA953x-SoC.patch b/target/linux/ar71xx/patches-3.18/707-MIPS-ath79-add-support-for-QCA953x-SoC.patch
index d541939..be53a5a 100644
--- a/target/linux/ar71xx/patches-3.18/707-MIPS-ath79-add-support-for-QCA953x-SoC.patch
+++ b/target/linux/ar71xx/patches-3.18/707-MIPS-ath79-add-support-for-QCA953x-SoC.patch
@@ -44,7 +44,7 @@ meaning of the bits CPUCLK_FROM_CPUPLL and DDRCLK_FROM_DDRPLL is reversed.
  config ATH79_NVRAM
 --- a/arch/mips/ath79/clock.c
 +++ b/arch/mips/ath79/clock.c
-@@ -350,6 +350,91 @@ static void __init ar934x_clocks_init(void)
+@@ -350,6 +350,91 @@ static void __init ar934x_clocks_init(vo
  	iounmap(dpll_base);
  }
  
@@ -177,7 +177,7 @@ meaning of the bits CPUCLK_FROM_CPUPLL and DDRCLK_FROM_DDRPLL is reversed.
  		platform_device_register(&ath79_uart_device);
 --- a/arch/mips/ath79/dev-usb.c
 +++ b/arch/mips/ath79/dev-usb.c
-@@ -236,6 +236,30 @@ static void __init ar934x_usb_setup(void)
+@@ -236,6 +236,30 @@ static void __init ar934x_usb_setup(void
  			   &ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2));
  }
  
@@ -228,7 +228,7 @@ meaning of the bits CPUCLK_FROM_CPUPLL and DDRCLK_FROM_DDRPLL is reversed.
  {
  	return ath79_soc_rev;
  }
-@@ -126,7 +126,7 @@ static void __init ar933x_wmac_setup(void)
+@@ -126,7 +126,7 @@ static void __init ar933x_wmac_setup(voi
  		ath79_wmac_data.is_clk_25mhz = true;
  
  	if (ath79_soc_rev == 1)
@@ -237,8 +237,8 @@ meaning of the bits CPUCLK_FROM_CPUPLL and DDRCLK_FROM_DDRPLL is reversed.
  
  	ath79_wmac_data.external_reset = ar933x_wmac_reset;
  }
-@@ -151,6 +151,26 @@ static void ar934x_wmac_setup(void)
- 	ath79_wmac_data.get_mac_revision = ar93xx_get_soc_revision;
+@@ -149,6 +149,26 @@ static void ar934x_wmac_setup(void)
+ 		ath79_wmac_data.is_clk_25mhz = true;
  }
  
 +static void qca953x_wmac_setup(void)
@@ -264,7 +264,7 @@ meaning of the bits CPUCLK_FROM_CPUPLL and DDRCLK_FROM_DDRPLL is reversed.
  static void qca955x_wmac_setup(void)
  {
  	u32 t;
-@@ -368,6 +388,8 @@ void __init ath79_register_wmac(u8 *cal_data, u8 *mac_addr)
+@@ -366,6 +386,8 @@ void __init ath79_register_wmac(u8 *cal_
  		ar933x_wmac_setup();
  	else if (soc_is_ar934x())
  		ar934x_wmac_setup();
@@ -286,7 +286,7 @@ meaning of the bits CPUCLK_FROM_CPUPLL and DDRCLK_FROM_DDRPLL is reversed.
  		_prom_putchar = prom_putchar_ar71xx;
 --- a/arch/mips/ath79/gpio.c
 +++ b/arch/mips/ath79/gpio.c
-@@ -148,7 +148,7 @@ static void __iomem *ath79_gpio_get_function_reg(void)
+@@ -148,7 +148,7 @@ static void __iomem *ath79_gpio_get_func
  	    soc_is_ar913x() ||
  	    soc_is_ar933x())
  		reg = AR71XX_GPIO_REG_FUNC;
@@ -295,7 +295,7 @@ meaning of the bits CPUCLK_FROM_CPUPLL and DDRCLK_FROM_DDRPLL is reversed.
  		reg = AR934X_GPIO_REG_FUNC;
  	else
  		BUG();
-@@ -187,7 +187,7 @@ void __init ath79_gpio_output_select(unsigned gpio, u8 val)
+@@ -187,7 +187,7 @@ void __init ath79_gpio_output_select(uns
  	unsigned int reg;
  	u32 t, s;
  
@@ -324,7 +324,7 @@ meaning of the bits CPUCLK_FROM_CPUPLL and DDRCLK_FROM_DDRPLL is reversed.
  	}
 --- a/arch/mips/ath79/irq.c
 +++ b/arch/mips/ath79/irq.c
-@@ -106,6 +106,7 @@ static void __init ath79_misc_irq_init(void)
+@@ -106,6 +106,7 @@ static void __init ath79_misc_irq_init(v
  	else if (soc_is_ar724x() ||
  		 soc_is_ar933x() ||
  		 soc_is_ar934x() ||
@@ -405,7 +405,7 @@ meaning of the bits CPUCLK_FROM_CPUPLL and DDRCLK_FROM_DDRPLL is reversed.
  }
 --- a/arch/mips/ath79/setup.c
 +++ b/arch/mips/ath79/setup.c
-@@ -60,6 +60,7 @@ static void __init ath79_detect_sys_type(void)
+@@ -59,6 +59,7 @@ static void __init ath79_detect_sys_type
  	u32 major;
  	u32 minor;
  	u32 rev = 0;
@@ -413,12 +413,13 @@ meaning of the bits CPUCLK_FROM_CPUPLL and DDRCLK_FROM_DDRPLL is reversed.
  
  	id = ath79_reset_rr(AR71XX_RESET_REG_REV_ID);
  	major = id & REV_ID_MAJOR_MASK;
-@@ -152,6 +153,16 @@ static void __init ath79_detect_sys_type(void)
+@@ -151,6 +152,17 @@ static void __init ath79_detect_sys_type
  		rev = id & AR934X_REV_ID_REVISION_MASK;
  		break;
  
 +	case REV_ID_MAJOR_QCA9533_V2:
 +		ver = 2;
++		ath79_soc_rev = 2;
 +		/* drop through */
 +
 +	case REV_ID_MAJOR_QCA9533:
@@ -430,15 +431,23 @@ meaning of the bits CPUCLK_FROM_CPUPLL and DDRCLK_FROM_DDRPLL is reversed.
  	case REV_ID_MAJOR_QCA9556:
  		ath79_soc = ATH79_SOC_QCA9556;
  		chip = "9556";
-@@ -170,7 +181,7 @@ static void __init ath79_detect_sys_type(void)
+@@ -167,11 +179,12 @@ static void __init ath79_detect_sys_type
+ 		panic("ath79: unknown SoC, id:0x%08x", id);
+ 	}
  
- 	ath79_soc_rev = rev;
+-	ath79_soc_rev = rev;
++	if (ver == 1)
++		ath79_soc_rev = rev;
  
 -	if (soc_is_qca955x())
+-		sprintf(ath79_sys_type, "Qualcomm Atheros QCA%s rev %u",
+-			chip, rev);
 +	if (soc_is_qca953x() || soc_is_qca955x())
- 		sprintf(ath79_sys_type, "Qualcomm Atheros QCA%s rev %u",
- 			chip, rev);
++		sprintf(ath79_sys_type, "Qualcomm Atheros QCA%s ver %u rev %u",
++			chip, ver, rev);
  	else
+ 		sprintf(ath79_sys_type, "Atheros AR%s rev %u", chip, rev);
+ 	pr_info("SoC: %s\n", ath79_sys_type);
 --- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
 +++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
 @@ -105,6 +105,21 @@
diff --git a/target/linux/ar71xx/patches-3.18/735-MIPS-ath79-add-support-for-QCA956x-SoC.patch b/target/linux/ar71xx/patches-3.18/735-MIPS-ath79-add-support-for-QCA956x-SoC.patch
index 027163f..6e0b536 100644
--- a/target/linux/ar71xx/patches-3.18/735-MIPS-ath79-add-support-for-QCA956x-SoC.patch
+++ b/target/linux/ar71xx/patches-3.18/735-MIPS-ath79-add-support-for-QCA956x-SoC.patch
@@ -1,6 +1,6 @@
 --- a/arch/mips/ath79/Kconfig
 +++ b/arch/mips/ath79/Kconfig
-@@ -1213,6 +1213,12 @@ config SOC_QCA955X
+@@ -1248,6 +1248,12 @@ config SOC_QCA955X
  	select PCI_AR724X if PCI
  	def_bool n
  
@@ -13,7 +13,7 @@
  config ATH79_DEV_M25P80
  	select ATH79_DEV_SPI
  	def_bool n
-@@ -1250,7 +1256,7 @@ config ATH79_DEV_USB
+@@ -1285,7 +1291,7 @@ config ATH79_DEV_USB
  	def_bool n
  
  config ATH79_DEV_WMAC
@@ -452,7 +452,7 @@
  		return -ENODEV;
 --- a/arch/mips/ath79/setup.c
 +++ b/arch/mips/ath79/setup.c
-@@ -175,14 +175,29 @@ static void __init ath79_detect_sys_type
+@@ -176,6 +176,18 @@ static void __init ath79_detect_sys_type
  		rev = id & QCA955X_REV_ID_REVISION_MASK;
  		break;
  
@@ -471,19 +471,20 @@
  	default:
  		panic("ath79: unknown SoC, id:0x%08x", id);
  	}
- 
- 	ath79_soc_rev = rev;
+@@ -183,9 +195,12 @@ static void __init ath79_detect_sys_type
+ 	if (ver == 1)
+ 		ath79_soc_rev = rev;
  
 -	if (soc_is_qca953x() || soc_is_qca955x())
--		sprintf(ath79_sys_type, "Qualcomm Atheros QCA%s rev %u",
 +	if (soc_is_qca953x() || soc_is_qca955x() || soc_is_qca9561())
-+		sprintf(ath79_sys_type, "Qualcomm Atheros QCA%s ver %u rev %u",
-+			chip, ver, rev);
+ 		sprintf(ath79_sys_type, "Qualcomm Atheros QCA%s ver %u rev %u",
+ 			chip, ver, rev);
 +	else if (soc_is_tp9343())
 +		sprintf(ath79_sys_type, "Qualcomm Atheros TP%s rev %u",
- 			chip, rev);
++			chip, rev);
  	else
  		sprintf(ath79_sys_type, "Atheros AR%s rev %u", chip, rev);
+ 	pr_info("SoC: %s\n", ath79_sys_type);
 --- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
 +++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
 @@ -143,6 +143,23 @@