From mboxrd@z Thu Jan 1 00:00:00 1970 From: maxime.coquelin@st.com (Maxime Coquelin) Date: Mon, 16 Jun 2014 13:28:05 +0200 Subject: [PATCH V2] ARM: STi: DT: Properly define sti-ethclk & stmmaceth for stih415/6 In-Reply-To: <20140616092339.GB27978@griffinp-ThinkPad-X1-Carbon-2nd> References: <1402345355-5682-1-git-send-email-peter.griffin@linaro.org> <20140616092339.GB27978@griffinp-ThinkPad-X1-Carbon-2nd> Message-ID: <539ED4C5.4070906@st.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Peter, On 06/16/2014 11:23 AM, Peter Griffin wrote: > This patch fixes two problems: - > > 1) The device tree isn't currently providing sti-ethclk which is > required by the dwmac glue code to correctly configure the ethernet > PHY clock speed. > > This means depending on what the bootloader/jtag has > configured this clock to, and what switch/hub the board is plugged > into you most likely will NOT successfully negotiate a ethernet link. > > 2) The stmmaceth clock was associated with the wrong clock. It was > referencing the PHY clock rather than the interconnect clock which > clocks the IP. > > This patch also brings us closer to not having to boot the upstream > kernel with the clk_ignore_unused parameter. > > Signed-off-by: Peter Griffin > --- > arch/arm/boot/dts/stih415.dtsi | 8 ++++---- > arch/arm/boot/dts/stih416.dtsi | 8 ++++---- > include/dt-bindings/clock/stih415-clks.h | 1 + > include/dt-bindings/clock/stih416-clks.h | 1 + > 4 files changed, 10 insertions(+), 8 deletions(-) > ... Acked-by: Maxime Coquelin Thanks for the fix! Maxime