diff options
| -rw-r--r-- | target/linux/lantiq/patches-4.4/0070-MIPS-Lantiq-Keep-ethernet-enabled-during-boot.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-4.4/0070-MIPS-Lantiq-Keep-ethernet-enabled-during-boot.patch b/target/linux/lantiq/patches-4.4/0070-MIPS-Lantiq-Keep-ethernet-enabled-during-boot.patch new file mode 100644 index 0000000000..67cf7d3a61 --- /dev/null +++ b/target/linux/lantiq/patches-4.4/0070-MIPS-Lantiq-Keep-ethernet-enabled-during-boot.patch @@ -0,0 +1,53 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Thu, 19 Jan 2017 14:14:36 +0100 +Subject: [PATCH] MIPS: Lantiq: Keep ethernet enabled during boot + +Disabling ethernet during reboot (only to enable it again when the +ethernet driver attaches) can put the chip into a faulty state where it +corrupts the header of all incoming packets. + +This happens if packets arrive during the time window where the core is +disabled, and it can be easily reproduced by rebooting while sending a +flood ping to the broadcast address. + +Cc: john@phrozen.org +Cc: hauke.mehrtens@lantiq.com +Cc: stable@vger.kernel.org +Fixes: 95135bfa7ead ("MIPS: Lantiq: Deactivate most of the devices by default") +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + +--- a/arch/mips/lantiq/xway/sysctrl.c ++++ b/arch/mips/lantiq/xway/sysctrl.c +@@ -564,7 +564,7 @@ void __init ltq_soc_init(void) + clkdev_add_pmu("1a800000.pcie", "msi", 1, 1, PMU1_PCIE2_MSI); + clkdev_add_pmu("1a800000.pcie", "pdi", 1, 1, PMU1_PCIE2_PDI); + clkdev_add_pmu("1a800000.pcie", "ctl", 1, 1, PMU1_PCIE2_CTL); +- clkdev_add_pmu("1e108000.eth", NULL, 1, 0, PMU_SWITCH | PMU_PPE_DP); ++ clkdev_add_pmu("1e108000.eth", NULL, 0, 0, PMU_SWITCH | PMU_PPE_DP); + clkdev_add_pmu("1da00000.usif", "NULL", 1, 0, PMU_USIF); + clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU); + } else if (of_machine_is_compatible("lantiq,ar10")) { +@@ -572,7 +572,7 @@ void __init ltq_soc_init(void) + ltq_ar10_fpi_hz(), ltq_ar10_pp32_hz()); + clkdev_add_pmu("1e101000.usb", "ctl", 1, 0, PMU_USB0); + clkdev_add_pmu("1e106000.usb", "ctl", 1, 0, PMU_USB1); +- clkdev_add_pmu("1e108000.eth", NULL, 1, 0, PMU_SWITCH | ++ clkdev_add_pmu("1e108000.eth", NULL, 0, 0, PMU_SWITCH | + PMU_PPE_DP | PMU_PPE_TC); + clkdev_add_pmu("1da00000.usif", "NULL", 1, 0, PMU_USIF); + clkdev_add_pmu("1f203000.rcu", "gphy", 1, 0, PMU_GPHY); +@@ -594,11 +594,11 @@ void __init ltq_soc_init(void) + clkdev_add_pmu(NULL, "ahb", 1, 0, PMU_AHBM | PMU_AHBS); + + clkdev_add_pmu("1da00000.usif", "NULL", 1, 0, PMU_USIF); +- clkdev_add_pmu("1e108000.eth", NULL, 1, 0, ++ clkdev_add_pmu("1e108000.eth", NULL, 0, 0, + PMU_SWITCH | PMU_PPE_DPLUS | PMU_PPE_DPLUM | + PMU_PPE_EMA | PMU_PPE_TC | PMU_PPE_SLL01 | + PMU_PPE_QSB | PMU_PPE_TOP); +- clkdev_add_pmu("1f203000.rcu", "gphy", 1, 0, PMU_GPHY); ++ clkdev_add_pmu("1f203000.rcu", "gphy", 0, 0, PMU_GPHY); + clkdev_add_pmu("1e103000.sdio", NULL, 1, 0, PMU_SDIO); + clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU); + clkdev_add_pmu("1e116000.mei", "dfe", 1, 0, PMU_DFE); |