From mboxrd@z Thu Jan 1 00:00:00 1970 From: patrice.chotard@st.com (Patrice Chotard) Date: Thu, 20 Oct 2016 15:50:10 +0200 Subject: [PATCH] ARM: sti: stih410-clocks: Add PROC_STFE as a critical clock In-Reply-To: <1476804957-24000-1-git-send-email-peter.griffin@linaro.org> References: <1476804957-24000-1-git-send-email-peter.griffin@linaro.org> Message-ID: <5d44e490-f6c2-79d4-98da-1d3c7543b1a2@st.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 10/18/2016 05:35 PM, Peter Griffin wrote: > Once the ST frontend demux HW IP has been enabled, the clock can't > be disabled otherwise the system will hang and the board will > be unserviceable. > > To allow balanced clock enable/disable calls in the driver we use > the critical clock infrastructure to take an extra reference on the > clock so the clock will never actually be disabled. > > Signed-off-by: Peter Griffin > --- > arch/arm/boot/dts/stih410-clock.dtsi | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/arch/arm/boot/dts/stih410-clock.dtsi b/arch/arm/boot/dts/stih410-clock.dtsi > index 8598eff..07c8ef9 100644 > --- a/arch/arm/boot/dts/stih410-clock.dtsi > +++ b/arch/arm/boot/dts/stih410-clock.dtsi > @@ -208,7 +208,8 @@ > "clk-clust-hades", > "clk-hwpe-hades", > "clk-fc-hades"; > - clock-critical = , > + clock-critical = , > + , > , > , > , > Acked-by: Patrice Chotard Applied on sti-dt-for-4.10 branch Thanks