Messages in this thread | | | From | Arun KS <> | Date | Fri, 20 Oct 2023 12:39:05 +0530 | Subject | Re: Question on pre running clocks |
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+ linux-clk
On Fri, Oct 20, 2023 at 12:37 PM Arun KS <arunks.linux@gmail.com> wrote: > > Hello, > > Lets say there is a clock which is enabled by bootloaders and is pre > running as linux boots. > Is it mandatory for the client drivers to call clk_prepare_enable() on > them to initialise the enable_count to 1? > > Or is there a way we can specify to the kernel that this clock is > already enabled by bootloader and initialise the enable_count for this > clock to 1. > > Because otherwise, clk_disable() prints a WARN() if a client driver > uses clock handle where clk_prepare_enable() is not called. > > I grep through the code, but could find any details. Appreciate any pointers. > > Regards, > Arun
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