Hi Marcel,
On Fri, Mar 29, 2019 at 1:38 PM Marcel Ziswiler marcel@ziswiler.com wrote:
From: Marcel Ziswiler marcel.ziswiler@toradex.com
Just give the new Ethernet PHY power save mode circuitry time to settle.
Signed-off-by: Marcel Ziswiler marcel.ziswiler@toradex.com Acked-by: Max Krummenacher max.krummenacher@toradex.com
board/toradex/colibri-imx6ull/colibri-imx6ull.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/board/toradex/colibri-imx6ull/colibri-imx6ull.c b/board/toradex/colibri-imx6ull/colibri-imx6ull.c index fe60b8e870..b6f45edb86 100644 --- a/board/toradex/colibri-imx6ull/colibri-imx6ull.c +++ b/board/toradex/colibri-imx6ull/colibri-imx6ull.c @@ -263,6 +263,9 @@ static int setup_fec(void) IOMUX_GPR1_FEC2_CLOCK_MUX2_SEL_MASK, IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);
/* give new Ethernet PHY power save mode circuitry time to settle */mdelay(300);
Just curious, is this some empirical value for the delay needed or it's documented somethere? The first question from my side was why particularly 300?
return 0;}
-- 2.20.1
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