Message ID | 20200227124551.31860-3-ulf.hansson@linaro.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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[158.174.22.210]) by smtp.gmail.com with ESMTPSA id l16sm2669334lfh.74.2020.02.27.04.46.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Feb 2020 04:46:17 -0800 (PST) From: Ulf Hansson <ulf.hansson@linaro.org> To: Sudeep Holla <sudeep.holla@arm.com>, Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>, linux-pm@vger.kernel.org Subject: [PATCH 2/4] cpuidle: psci: Fixup support for domain idle states being zero Date: Thu, 27 Feb 2020 13:45:49 +0100 Message-Id: <20200227124551.31860-3-ulf.hansson@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200227124551.31860-1-ulf.hansson@linaro.org> References: <20200227124551.31860-1-ulf.hansson@linaro.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200227_044625_473220_6AB16AA8 X-CRM114-Status: GOOD ( 11.72 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:144 listed in] [list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Cc: Ulf Hansson <ulf.hansson@linaro.org>, Benjamin Gaignard <benjamin.gaignard@st.com>, Stephen Boyd <sboyd@kernel.org>, Daniel Lezcano <daniel.lezcano@linaro.org>, "Rafael J . Wysocki" <rjw@rjwysocki.net>, Lina Iyer <ilina@codeaurora.org>, Bjorn Andersson <bjorn.andersson@linaro.org>, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org |
Series |
cpuidle: psci: Some fixes when using the hierarchical layout
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expand
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diff --git a/drivers/cpuidle/cpuidle-psci-domain.c b/drivers/cpuidle/cpuidle-psci-domain.c index 423f03bbeb74..c34b12c4069a 100644 --- a/drivers/cpuidle/cpuidle-psci-domain.c +++ b/drivers/cpuidle/cpuidle-psci-domain.c @@ -49,6 +49,9 @@ static int __init psci_pd_parse_state_nodes(struct genpd_power_state *states, int i, ret; u32 psci_state, *psci_state_buf; + if (!states) + return 0; + for (i = 0; i < state_count; i++) { ret = psci_dt_parse_state_node(to_of_node(states[i].fwnode), &psci_state); @@ -96,6 +99,9 @@ static void psci_pd_free_states(struct genpd_power_state *states, { int i; + if (!states) + return; + for (i = 0; i < state_count; i++) kfree(states[i].data); kfree(states);
The current code intends to allow a PSCI PM domain to have none domain idle states defined in DT. However, a few minor things needs to be fixed to make this correctly supported, so let's do that. Reported-by: Benjamin Gaignard <benjamin.gaignard@st.com> Fixes: a65a397f2451 ("cpuidle: psci: Add support for PM domains by using genpd") Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> --- drivers/cpuidle/cpuidle-psci-domain.c | 6 ++++++ 1 file changed, 6 insertions(+)