On Thu, Jan 19, 2017 at 02:20:09PM +0100, Felix Fietkau wrote:
> 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@xxxxxxxxxxx
> Cc: hauke.mehrtens@xxxxxxxxxx
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: 95135bfa7ead ("MIPS: Lantiq: Deactivate most of the devices by default")
> Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
Applied
Thanks
James
> ---
> arch/mips/lantiq/xway/sysctrl.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/arch/mips/lantiq/xway/sysctrl.c b/arch/mips/lantiq/xway/sysctrl.c
> index 236193b5210b..9a61671c00a7 100644
> --- a/arch/mips/lantiq/xway/sysctrl.c
> +++ b/arch/mips/lantiq/xway/sysctrl.c
> @@ -545,7 +545,7 @@ 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")) {
> @@ -553,7 +553,7 @@ 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);
> @@ -575,11 +575,11 @@ 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);
> --
> 2.11.0
>
>
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