[PATCH v2 1/2] clk: renesas: Do not enable MSTP4 extra modules on R8A77995 D3

Marek Vasut marek.vasut at mailbox.org
Mon Dec 29 00:07:28 CET 2025


On 12/28/25 11:07 PM, Niklas Söderlund wrote:
> Since commit a2bd99549c61 ("clk: renesas: Tear clock controller down
> last before booting OS") enabling the module gated by bit 8 in MSTP4
> prevents Linux from booting. The bits 8 and 7 of MSTP4 where only
> documented in early versions of the datasheet and have since been
> removed.
> 
> To allow Linux to boot update the MSTP4 enable value to reflect the
> hardware default, 0x80.
Reviewed-by: Marek Vasut <marek.vasut+renesas at mailbox.org>

Thanks


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