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authorUlf Hansson <ulf.hansson@linaro.org>2020-03-10 13:40:23 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2020-03-14 14:03:05 +0300
commit56cb26891ea4180121265dc6b596015772c4a4b8 (patch)
tree81ce75e68ae460729df12f0d0eecfe055cd5641d /drivers/cpuidle
parent2c523b344dfa65a3738e7039832044aa133c75fb (diff)
downloadlinux-56cb26891ea4180121265dc6b596015772c4a4b8.tar.xz
PM / Domains: Allow no domain-idle-states DT property in genpd when parsing
Commit 2c361684803e ("PM / Domains: Don't treat zero found compatible idle states as an error"), moved of_genpd_parse_idle_states() towards allowing none compatible idle state to be found for the device node, rather than returning an error code. However, it didn't consider that the "domain-idle-states" DT property may be missing as it's optional, which makes of_count_phandle_with_args() to return -ENOENT. Let's fix this to make the behaviour consistent. Fixes: 2c361684803e ("PM / Domains: Don't treat zero found compatible idle states as an error") Reported-by: Benjamin Gaignard <benjamin.gaignard@st.com> Cc: 4.20+ <stable@vger.kernel.org> # 4.20+ Reviewed-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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