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clk: qcom: dispcc-x1e80100: Fix (possibly) dumping regmap

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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 <daniel@quora.org>
Closes: https://lore.kernel.org/r/CAMVG2su+V5fcZ9LOC0Qm3bpfnhpbmQdJackc7-RvfztDL_dajw@mail.gmail.com/
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Tested-by: Daniel J Blueman <daniel@quora.org>
Link: https://lore.kernel.org/r/20260505152908.302097-2-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This commit is contained in:
Krzysztof Kozlowski
2026-05-05 17:29:09 +02:00
committed by Bjorn Andersson
parent 3df6b9dbd2
commit c41f66ea9d
1 changed files with 1 additions and 1 deletions
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2
drivers/clk/qcom/dispcc-x1e80100.c
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@@ -1634,7 +1634,7 @@ static const struct regmap_config disp_cc_x1e80100_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
.max_register = 0x11008,
.max_register = 0xf004, /* 0x10000, 0x10004 and maybe others are for TZ */
.fast_io = true,
};