From 8c085f647b2ff582bee1c8bf730c53f052d91c4a Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Thu, 26 Dec 2013 23:30:10 +0000 Subject: [PATCH] brcm47xx: fix cpu wait for BCM4706 This was called to early. Signed-off-by: Hauke Mehrtens SVN-Revision: 39167 --- .../patches-3.10/170-fix-74k-cpu.patch | 29 +++++++++---------- ...xed-PHY-device-if-we-do-not-find-any.patch | 4 +-- .../830-huawei_e970_support.patch | 4 +-- 3 files changed, 18 insertions(+), 19 deletions(-) diff --git a/target/linux/brcm47xx/patches-3.10/170-fix-74k-cpu.patch b/target/linux/brcm47xx/patches-3.10/170-fix-74k-cpu.patch index e25451bcdb..e22bfc96a2 100644 --- a/target/linux/brcm47xx/patches-3.10/170-fix-74k-cpu.patch +++ b/target/linux/brcm47xx/patches-3.10/170-fix-74k-cpu.patch @@ -8,19 +8,18 @@ #include #include #include -@@ -199,6 +200,15 @@ static void __init bcm47xx_register_bcma - panic("Failed to initialize BCMA bus (err %d)", err); - - bcm47xx_fill_bcma_boardinfo(&bcm47xx_bus.bcma.bus.boardinfo, NULL); -+ -+ /* The BCM4706 has a problem with the CPU wait instruction. -+ * When r4k_wait or r4k_wait_irqoff is used will just hang and -+ * not return from a msleep(). Removing the cpu_wait -+ * functionality is a workaround for this problem. The BCM4716 -+ * does not have this problem. -+ */ -+ if (bcm47xx_bus.bcma.bus.chipinfo.id == BCMA_CHIP_ID_BCM4706) -+ cpu_wait = NULL; - } +@@ -239,6 +240,14 @@ static int __init bcm47xx_register_bus_c + #endif + #ifdef CONFIG_BCM47XX_BCMA + case BCM47XX_BUS_TYPE_BCMA: ++ /* The BCM4706 has a problem with the CPU wait instruction. ++ * When r4k_wait or r4k_wait_irqoff is used will just hang and ++ * not return from a msleep(). Removing the cpu_wait ++ * functionality is a workaround for this problem. The BCM4716 ++ * does not have this problem. ++ */ ++ if (bcm47xx_bus.bcma.bus.chipinfo.id == BCMA_CHIP_ID_BCM4706) ++ cpu_wait = NULL; + bcma_bus_register(&bcm47xx_bus.bcma.bus); + break; #endif - diff --git a/target/linux/brcm47xx/patches-3.10/208-b44-use-fixed-PHY-device-if-we-do-not-find-any.patch b/target/linux/brcm47xx/patches-3.10/208-b44-use-fixed-PHY-device-if-we-do-not-find-any.patch index 972cd07966..91d99025c5 100644 --- a/target/linux/brcm47xx/patches-3.10/208-b44-use-fixed-PHY-device-if-we-do-not-find-any.patch +++ b/target/linux/brcm47xx/patches-3.10/208-b44-use-fixed-PHY-device-if-we-do-not-find-any.patch @@ -30,7 +30,7 @@ Signed-off-by: David S. Miller #include #include #include -@@ -239,6 +242,12 @@ void __init plat_mem_setup(void) +@@ -230,6 +233,12 @@ void __init plat_mem_setup(void) mips_set_machine_name(bcm47xx_board_get_name()); } @@ -43,7 +43,7 @@ Signed-off-by: David S. Miller static int __init bcm47xx_register_bus_complete(void) { switch (bcm47xx_bus_type) { -@@ -253,6 +262,7 @@ static int __init bcm47xx_register_bus_c +@@ -252,6 +261,7 @@ static int __init bcm47xx_register_bus_c break; #endif } diff --git a/target/linux/brcm47xx/patches-3.10/830-huawei_e970_support.patch b/target/linux/brcm47xx/patches-3.10/830-huawei_e970_support.patch index c61254db02..2ea0917ff8 100644 --- a/target/linux/brcm47xx/patches-3.10/830-huawei_e970_support.patch +++ b/target/linux/brcm47xx/patches-3.10/830-huawei_e970_support.patch @@ -8,7 +8,7 @@ #include #include #include -@@ -248,6 +249,33 @@ static struct fixed_phy_status bcm47xx_f +@@ -239,6 +240,33 @@ static struct fixed_phy_status bcm47xx_f .duplex = DUPLEX_FULL, }; @@ -42,7 +42,7 @@ static int __init bcm47xx_register_bus_complete(void) { switch (bcm47xx_bus_type) { -@@ -263,6 +291,8 @@ static int __init bcm47xx_register_bus_c +@@ -262,6 +290,8 @@ static int __init bcm47xx_register_bus_c #endif } fixed_phy_add(PHY_POLL, 0, &bcm47xx_fixed_phy_status); -- 2.30.2