From: Niklas Söderlund Date: Sun, 28 Dec 2025 22:07:16 +0000 (+0100) Subject: clk: renesas: Do not enable MSTP4 extra modules on R8A77995 D3 X-Git-Tag: v2026.01~3^2~1 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3147cd713ea4777b78397d935a0732e41e8a35f8;p=thirdparty%2Fu-boot.git clk: renesas: Do not enable MSTP4 extra modules on R8A77995 D3 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. Suggested-by: Marek Vasut Signed-off-by: Niklas Söderlund --- diff --git a/drivers/clk/renesas/r8a77995-cpg-mssr.c b/drivers/clk/renesas/r8a77995-cpg-mssr.c index f49faa47cb3..309b0aec8e2 100644 --- a/drivers/clk/renesas/r8a77995-cpg-mssr.c +++ b/drivers/clk/renesas/r8a77995-cpg-mssr.c @@ -220,7 +220,7 @@ static const struct mstp_stop_table r8a77995_mstp_table[] = { { 0x03e01000, 0x0, 0x03e01000, 0 }, { 0x000e2fdc, 0x2000, 0x000e2fd8, 0 }, { 0xc00014df, 0x400, 0xc00014df, 0 }, - { 0x80000004, 0x180, 0x80000004, 0 }, + { 0x80000004, 0x80, 0x80000004, 0 }, { 0x40d20004, 0x0, 0x40d20004, 0 }, { 0x08c0008c, 0x0, 0x08c0008c, 0 }, { 0x09941c18, 0x0, 0x09941c18, 0 },