Hello Krzysztof Kozlowski, > -----Original Message----- > From: Krzysztof Kozlowski [mailto:krzk@xxxxxxxxxx] > Sent: Tuesday, April 22, 2025 4:59 PM > To: Shin Son <shin.son@xxxxxxxxxxx>; Sylwester Nawrocki > <s.nawrocki@xxxxxxxxxxx>; Chanwoo Choi <cw00.choi@xxxxxxxxxxx>; Alim > Akhtar <alim.akhtar@xxxxxxxxxxx>; Michael Turquette > <mturquette@xxxxxxxxxxxx>; Stephen Boyd <sboyd@xxxxxxxxxx>; Rob Herring > <robh@xxxxxxxxxx>; Conor Dooley <conor+dt@xxxxxxxxxx>; Sunyeal Hong > <sunyeal.hong@xxxxxxxxxxx> > Cc: linux-samsung-soc@xxxxxxxxxxxxxxx; linux-clk@xxxxxxxxxxxxxxx; > devicetree@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux- > kernel@xxxxxxxxxxxxxxx > Subject: Re: [PATCH 2/3] clk: samsung: exynosautov920: add cpucl0 clock > support > > On 18/04/2025 08:14, Shin Son wrote: > > Register compatible and cmu_info data to support clock CMU_CPUCL0, > > this provides clock for CPUCL0_SWTICH/DBG/CLUSTER. > > > > Explain why this is needed as clk of declare, instead of platform driver. > > > > Best regards, > Krzysztof CPUCL0 refers CPU Cluster 0. Since the CPU clocks need to be available as early as possible, I used CLK_OF_DECLARE instead of a platform driver. I'll update the commit message and add a comment in the code to clarify this. Best regards, Shin Son