diff options
| author | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-02-23 10:52:06 +0100 |
|---|---|---|
| committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-02-23 10:52:06 +0100 |
| commit | 09bbf5581713695cbf6bcb5791e9be02ff8c27fe (patch) | |
| tree | 53d758b40ddc4b696a87477e608bf9ad23bc82e5 | |
| parent | e4d1163de46eb8b16c0b4c3e9f2d229bd06b5b8f (diff) | |
| download | upstream-09bbf5581713695cbf6bcb5791e9be02ff8c27fe.tar.gz upstream-09bbf5581713695cbf6bcb5791e9be02ff8c27fe.tar.bz2 upstream-09bbf5581713695cbf6bcb5791e9be02ff8c27fe.zip | |
bmips: bcm6358: fix EHCI/OHCI kernel panics
ARCH_HAS_SYNC_DMA_FOR_CPU_ALL is causing kernel panics when EHCI or OHCI are
enabled.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
| -rw-r--r-- | target/linux/bmips/dts/bcm6358-huawei-hg556a-b.dts | 8 | ||||
| -rw-r--r-- | target/linux/bmips/patches-5.10/208-mips-bmips-disable-ARCH_HAS_SYNC_DMA_FOR_CPU_ALL.patch | 62 |
2 files changed, 70 insertions, 0 deletions
diff --git a/target/linux/bmips/dts/bcm6358-huawei-hg556a-b.dts b/target/linux/bmips/dts/bcm6358-huawei-hg556a-b.dts index 5b8709c722..f62c79fccb 100644 --- a/target/linux/bmips/dts/bcm6358-huawei-hg556a-b.dts +++ b/target/linux/bmips/dts/bcm6358-huawei-hg556a-b.dts @@ -126,6 +126,14 @@ }; }; +&ehci { + status = "okay"; +}; + +&ohci { + status = "okay"; +}; + &pflash { status = "okay"; diff --git a/target/linux/bmips/patches-5.10/208-mips-bmips-disable-ARCH_HAS_SYNC_DMA_FOR_CPU_ALL.patch b/target/linux/bmips/patches-5.10/208-mips-bmips-disable-ARCH_HAS_SYNC_DMA_FOR_CPU_ALL.patch new file mode 100644 index 0000000000..09b494197b --- /dev/null +++ b/target/linux/bmips/patches-5.10/208-mips-bmips-disable-ARCH_HAS_SYNC_DMA_FOR_CPU_ALL.patch @@ -0,0 +1,62 @@ +From 84c06b4a1dfa3e021fdbcafaff8cebfdec462402 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com> +Date: Tue, 23 Feb 2021 10:39:48 +0100 +Subject: [PATCH] mips: bmips: disable ARCH_HAS_SYNC_DMA_FOR_CPU_ALL +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Enabling this option causes kernel panics on BCM6358 with EHCI/OHCI: +[ 3.881739] usb 1-1: new high-speed USB device number 2 using ehci-platform +[ 3.895011] Reserved instruction in kernel code[#1]: +[ 3.900113] CPU: 0 PID: 1 Comm: init Not tainted 5.10.16 #0 +[ 3.905829] $ 0 : 00000000 10008700 00000000 77d94060 +[ 3.911238] $ 4 : 7fd1f088 00000000 81431cac 81431ca0 +[ 3.916641] $ 8 : 00000000 ffffefff 8075cd34 00000000 +[ 3.922043] $12 : 806f8d40 f3e812b7 00000000 000d9aaa +[ 3.927446] $16 : 7fd1f068 7fd1f080 7ff559b8 81428470 +[ 3.932848] $20 : 00000000 00000000 55590000 77d70000 +[ 3.938251] $24 : 00000018 00000010 +[ 3.943655] $28 : 81430000 81431e60 81431f28 800157fc +[ 3.949058] Hi : 00000000 +[ 3.952013] Lo : 00000000 +[ 3.955019] epc : 80015808 setup_sigcontext+0x54/0x24c +[ 3.960464] ra : 800157fc setup_sigcontext+0x48/0x24c +[ 3.965913] Status: 10008703 KERNEL EXL IE +[ 3.970216] Cause : 00800028 (ExcCode 0a) +[ 3.974340] PrId : 0002a010 (Broadcom BMIPS4350) +[ 3.979170] Modules linked in: ohci_platform ohci_hcd fsl_mph_dr_of ehci_platform ehci_fsl ehci_hcd gpio_button_hotplug usbcore nls_base usb_common +[ 3.992907] Process init (pid: 1, threadinfo=(ptrval), task=(ptrval), tls=77e22ec8) +[ 4.000776] Stack : 81431ef4 7fd1f080 81431f28 81428470 7fd1f068 81431edc 7ff559b8 81428470 +[ 4.009467] 81431f28 7fd1f080 55590000 77d70000 77d5498c 80015c70 806f0000 8063ae74 +[ 4.018149] 08100002 81431f28 0000000a 08100002 81431f28 0000000a 77d6b418 00000003 +[ 4.026831] ffffffff 80016414 80080734 81431ecc 81431ecc 00000001 00000000 04000000 +[ 4.035512] 77d54874 00000000 00000000 00000000 00000000 00000012 00000002 00000000 +[ 4.044196] ... +[ 4.046706] Call Trace: +[ 4.049238] [<80015808>] setup_sigcontext+0x54/0x24c +[ 4.054356] [<80015c70>] setup_frame+0xdc/0x124 +[ 4.059015] [<80016414>] do_notify_resume+0x1dc/0x288 +[ 4.064207] [<80011b50>] work_notifysig+0x10/0x18 +[ 4.069036] +[ 4.070538] Code: 8fc300b4 00001025 26240008 <ac820000> ac830004 3c048063 0c0228aa 24846a00 26240010 +[ 4.080686] +[ 4.082517] ---[ end trace 22a8edb41f5f983b ]--- +[ 4.087374] Kernel panic - not syncing: Fatal exception +[ 4.092753] Rebooting in 1 seconds.. + +Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com> +--- + arch/mips/Kconfig | 1 - + 1 file changed, 1 deletion(-) + +--- a/arch/mips/Kconfig ++++ b/arch/mips/Kconfig +@@ -250,7 +250,6 @@ config ATH79 + config BMIPS_GENERIC + bool "Broadcom Generic BMIPS kernel" + select ARCH_HAS_RESET_CONTROLLER +- select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL + select ARCH_HAS_PHYS_TO_DMA + select BOOT_RAW + select NO_EXCEPT_FILL |