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UPSTREAM: regulator: scmi: Fix off-by-one for linear regulators .n_voltages setting

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For linear regulators, the .n_voltages is (max_uv - min_uv) / uv_step + 1.

Fixes: 0fbeae70ee7c ("regulator: add SCMI driver")
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>
Link: https://lore.kernel.org/r/20210521073020.1944981-1-axel.lin@ingics.com
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit 36cb555fae0875d5416e8514a84a427bec6e4cda)
Bug: 187129171
Signed-off-by: Connor O'Brien <connoro@google.com>
Change-Id: I443aedf5fb2f0062e9e4926596ba649997f0afc9
This commit is contained in:
Axel Lin
2021-05-21 15:30:20 +08:00
committed by Connor O'Brien
parent be7c2833df
commit 1ea718cd9e
1 changed files with 1 additions and 1 deletions
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2
drivers/regulator/scmi-regulator.c
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@@ -173,7 +173,7 @@ scmi_config_linear_regulator_mappings(struct scmi_regulator *sreg,
sreg->desc.uV_step =
vinfo->levels_uv[SCMI_VOLTAGE_SEGMENT_STEP];
sreg->desc.linear_min_sel = 0;
sreg->desc.n_voltages = delta_uV / sreg->desc.uV_step;
sreg->desc.n_voltages = (delta_uV / sreg->desc.uV_step) + 1;
sreg->desc.ops = &scmi_reg_linear_ops;
}