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charset="utf-8" Reading few registers at the end of the block (e.g. 0x10000, 0x10004) might result in synchronous external abort, so limit the regmap to the last readable register which allows dumping the regs for debugging. Reported-by: Daniel J Blueman Closes: https://lore.kernel.org/r/CAMVG2su+V5fcZ9LOC0Qm3bpfnhpbmQdJackc7-Rv= fztDL_dajw@mail.gmail.com/ Signed-off-by: Krzysztof Kozlowski Reviewed-by: Abel Vesa Reviewed-by: Konrad Dybcio Tested-by: Daniel J Blueman --- Not really tested, just idea based on sm8750 and datasheet/manual. drivers/clk/qcom/dispcc-x1e80100.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/qcom/dispcc-x1e80100.c b/drivers/clk/qcom/dispcc-x= 1e80100.c index aa7fd43969f9..575ba90d2070 100644 --- a/drivers/clk/qcom/dispcc-x1e80100.c +++ b/drivers/clk/qcom/dispcc-x1e80100.c @@ -1634,7 +1634,7 @@ static const struct regmap_config disp_cc_x1e80100_re= gmap_config =3D { .reg_bits =3D 32, .reg_stride =3D 4, .val_bits =3D 32, - .max_register =3D 0x11008, + .max_register =3D 0xf004, /* 0x10000, 0x10004 and maybe others are for TZ= */ .fast_io =3D true, }; =20 --=20 2.51.0