soc: qcom: aoss: Drop power domain support
Strip out the load state power-domain support from the driver since the low power mode signalling for the co-processors is now accessible through the direct qmp message send interface. Signed-off-by: Sibi Sankar <sibis@codeaurora.org> Reviewed-by: Matthias Kaehlcke <mka@chromium.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Link: https://lore.kernel.org/r/1631800770-371-12-git-send-email-sibis@codeaurora.org
This commit is contained in:
Sibi Sankar
Bjorn Andersson
parent
a4fe515903
commit
99512191f4
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@ -2,7 +2,6 @@
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/*
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* Copyright (c) 2019, Linaro Ltd
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*/
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#include <dt-bindings/power/qcom-aoss-qmp.h>
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#include <linux/clk-provider.h>
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#include <linux/interrupt.h>
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#include <linux/io.h>
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@ -10,7 +9,6 @@
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#include <linux/module.h>
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#include <linux/of_platform.h>
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#include <linux/platform_device.h>
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#include <linux/pm_domain.h>
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#include <linux/thermal.h>
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#include <linux/slab.h>
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#include <linux/soc/qcom/qcom_aoss.h>
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@ -66,7 +64,6 @@ struct qmp_cooling_device {
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* @event: wait_queue for synchronization with the IRQ
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* @tx_lock: provides synchronization between multiple callers of qmp_send()
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* @qdss_clk: QDSS clock hw struct
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* @pd_data: genpd data
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* @cooling_devs: thermal cooling devices
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*/
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struct qmp {
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@ -84,17 +81,9 @@ struct qmp {
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struct mutex tx_lock;
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struct clk_hw qdss_clk;
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struct genpd_onecell_data pd_data;
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struct qmp_cooling_device *cooling_devs;
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};
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struct qmp_pd {
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struct qmp *qmp;
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struct generic_pm_domain pd;
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};
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#define to_qmp_pd_resource(res) container_of(res, struct qmp_pd, pd)
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static void qmp_kick(struct qmp *qmp)
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{
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mbox_send_message(qmp->mbox_chan, NULL);
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@ -320,95 +309,6 @@ static void qmp_qdss_clk_remove(struct qmp *qmp)
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clk_hw_unregister(&qmp->qdss_clk);
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}
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static int qmp_pd_power_toggle(struct qmp_pd *res, bool enable)
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{
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char buf[QMP_MSG_LEN] = {};
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snprintf(buf, sizeof(buf),
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"{class: image, res: load_state, name: %s, val: %s}",
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res->pd.name, enable ? "on" : "off");
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return qmp_send(res->qmp, buf, sizeof(buf));
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}
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static int qmp_pd_power_on(struct generic_pm_domain *domain)
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{
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return qmp_pd_power_toggle(to_qmp_pd_resource(domain), true);
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}
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static int qmp_pd_power_off(struct generic_pm_domain *domain)
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{
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return qmp_pd_power_toggle(to_qmp_pd_resource(domain), false);
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}
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static const char * const sdm845_resources[] = {
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[AOSS_QMP_LS_CDSP] = "cdsp",
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[AOSS_QMP_LS_LPASS] = "adsp",
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[AOSS_QMP_LS_MODEM] = "modem",
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[AOSS_QMP_LS_SLPI] = "slpi",
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[AOSS_QMP_LS_SPSS] = "spss",
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[AOSS_QMP_LS_VENUS] = "venus",
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};
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static int qmp_pd_add(struct qmp *qmp)
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{
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struct genpd_onecell_data *data = &qmp->pd_data;
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struct device *dev = qmp->dev;
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struct qmp_pd *res;
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size_t num = ARRAY_SIZE(sdm845_resources);
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int ret;
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int i;
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res = devm_kcalloc(dev, num, sizeof(*res), GFP_KERNEL);
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if (!res)
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return -ENOMEM;
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data->domains = devm_kcalloc(dev, num, sizeof(*data->domains),
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GFP_KERNEL);
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if (!data->domains)
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return -ENOMEM;
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for (i = 0; i < num; i++) {
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res[i].qmp = qmp;
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res[i].pd.name = sdm845_resources[i];
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res[i].pd.power_on = qmp_pd_power_on;
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res[i].pd.power_off = qmp_pd_power_off;
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ret = pm_genpd_init(&res[i].pd, NULL, true);
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if (ret < 0) {
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dev_err(dev, "failed to init genpd\n");
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goto unroll_genpds;
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}
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data->domains[i] = &res[i].pd;
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}
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data->num_domains = i;
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ret = of_genpd_add_provider_onecell(dev->of_node, data);
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if (ret < 0)
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goto unroll_genpds;
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return 0;
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unroll_genpds:
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for (i--; i >= 0; i--)
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pm_genpd_remove(data->domains[i]);
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return ret;
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}
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static void qmp_pd_remove(struct qmp *qmp)
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{
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struct genpd_onecell_data *data = &qmp->pd_data;
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struct device *dev = qmp->dev;
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int i;
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of_genpd_del_provider(dev->of_node);
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for (i = 0; i < data->num_domains; i++)
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pm_genpd_remove(data->domains[i]);
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}
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static int qmp_cdev_get_max_state(struct thermal_cooling_device *cdev,
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unsigned long *state)
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{
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@ -612,10 +512,6 @@ static int qmp_probe(struct platform_device *pdev)
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if (ret)
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goto err_close_qmp;
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ret = qmp_pd_add(qmp);
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if (ret)
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goto err_remove_qdss_clk;
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ret = qmp_cooling_devices_register(qmp);
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if (ret)
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dev_err(&pdev->dev, "failed to register aoss cooling devices\n");
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@ -624,8 +520,6 @@ static int qmp_probe(struct platform_device *pdev)
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return 0;
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err_remove_qdss_clk:
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qmp_qdss_clk_remove(qmp);
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err_close_qmp:
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qmp_close(qmp);
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err_free_mbox:
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@ -639,7 +533,6 @@ static int qmp_remove(struct platform_device *pdev)
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struct qmp *qmp = platform_get_drvdata(pdev);
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qmp_qdss_clk_remove(qmp);
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qmp_pd_remove(qmp);
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qmp_cooling_devices_remove(qmp);
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qmp_close(qmp);
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