On Fri, Jun 03, 2016 at 06:31:19PM +0200, Lucas Stach wrote: > The i.MX6 Q/DL has an erratum (ERR006687) that prevents the FEC from > waking the CPUs when they are in wait(unclocked) state. As the hardware > workaround isn't applicable to all boards, disable the deeper idle state > when the workaround isn't present and the FEC is in use. > > This allows to safely run a kernel with CPUidle enabled on all i.MX6 > boards. > > Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx> > Acked-by: David S. Miller <davem@xxxxxxxxxxxxx> (for network changes) > --- > v2: Spell out "workaround" to avoid confusion. > --- > Documentation/devicetree/bindings/net/fsl-fec.txt | 3 +++ Acked-by: Rob Herring <robh@xxxxxxxxxx> > arch/arm/mach-imx/cpuidle-imx6q.c | 16 +++++++++++++++ > drivers/net/ethernet/freescale/fec.h | 2 ++ > drivers/net/ethernet/freescale/fec_main.c | 12 +++++++++++ > include/soc/imx/cpuidle.h | 25 +++++++++++++++++++++++ > 5 files changed, 58 insertions(+) > create mode 100644 include/soc/imx/cpuidle.h -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
