On Wed, 2017-09-06 at 12:54 -0700, Vineet Gupta wrote: > On 09/06/2017 11:21 AM, Eugeniy Paltsev wrote: > > DW ethernet controller on AXS10x hangs sometimes after SW reset, so > > add temporary quirk to reset DW ethernet controller IP core. > > This quirk can be removed after axs10x reset driver > > (see http://patchwork.ozlabs.org/patch/800273/) > > or simple reset driver > > (see https://patchwork.kernel.org/patch/9903375/) > > will be available in upstream. > > > > Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev at synopsys.com> > > Added to for-next ! > > Thx, Hi Vineet, Please specify if you have plans to add this patch to 4.14? I'm asking because we mostly need this quirk in 4.14 - I hope generic simple reset driver will be available in 4.15. Thanks. > > > --- > > ? arch/arc/plat-axs10x/axs10x.c | 7 +++++++ > > ? 1 file changed, 7 insertions(+) > > > > diff --git a/arch/arc/plat-axs10x/axs10x.c b/arch/arc/plat-axs10x/axs10x.c > > index f1ac679..cf14ebc 100644 > > --- a/arch/arc/plat-axs10x/axs10x.c > > +++ b/arch/arc/plat-axs10x/axs10x.c > > @@ -111,6 +111,13 @@ static void __init axs10x_early_init(void) > > ?? > > ?? axs10x_enable_gpio_intc_wire(); > > ?? > > + /* > > + ?* Reset ethernet IP core. > > + ?* TODO: get rid of this quirk after axs10x reset driver (or simple > > + ?* reset driver) will be available in upstream. > > + ?*/ > > + iowrite32((1 << 5), (void __iomem *) CREG_MB_SW_RESET); > > + > > ?? scnprintf(mb, 32, "MainBoard v%d", mb_rev); > > ?? axs10x_print_board_ver(CREG_MB_VER, mb); > > ? } > > > > -- ?Eugeniy Paltsev
