cpufreq: brcmstb-avs-cpufreq: send S2_ENTER / S2_EXIT commands to AVS (d48461b2) · Commits · 戴 / test

On suspend we send AVS_CMD_S2_ENTER and on resume AVS_CMD_S2_EXIT. These are best effort calls, so we don't check the return code or take any action if either of the calls fails. Signed-off-by:

Markus Mayer <mmayer@broadcom.com> Acked-by:

Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:

Viresh Kumar <viresh.kumar@linaro.org>

drivers/cpufreq/brcmstb-avs-cpufreq.c

+11 −1

Original line number	Diff line number	Diff line
		@@ -506,7 +506,14 @@ static int brcm_avs_suspend(struct cpufreq_policy *policy)
		* AVS co-processor, not necessarily the P-state we are running at now.
		* So, we get the current P-state explicitly.
		*/
		return brcm_avs_get_pstate(priv, &priv->pmap.state);
		ret = brcm_avs_get_pstate(priv, &priv->pmap.state);
		if (ret)
		return ret;

		/* This is best effort. Nothing to do if it fails. */
		(void)__issue_avs_command(priv, AVS_CMD_S2_ENTER, 0, 0, NULL);

		return 0;
		}

		static int brcm_avs_resume(struct cpufreq_policy *policy)
		@@ -514,6 +521,9 @@ static int brcm_avs_resume(struct cpufreq_policy *policy)
		struct private_data *priv = policy->driver_data;
		int ret;

		/* This is best effort. Nothing to do if it fails. */
		(void)__issue_avs_command(priv, AVS_CMD_S2_EXIT, 0, 0, NULL);

		ret = brcm_avs_set_pmap(priv, &priv->pmap);
		if (ret == -EEXIST) {
		struct platform_device *pdev = cpufreq_get_driver_data();

Admin message