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@xxxxxxxxxxxxxx> --- v4: * Commit message change and drop incorrect cleanup on cooling device probe failures. [Matthias] drivers/soc/qcom/qcom_aoss.c | 107 ------------------------------------------- 1 file changed, 107 deletions(-) diff --git a/drivers/soc/qcom/qcom_aoss.c b/drivers/soc/qcom/qcom_aoss.c index 3f588921a7b1..dccc5d96fe0a 100644 --- a/drivers/soc/qcom/qcom_aoss.c +++ b/drivers/soc/qcom/qcom_aoss.c @@ -2,7 +2,6 @@ /* * Copyright (c) 2019, Linaro Ltd */ -#include <dt-bindings/power/qcom-aoss-qmp.h> #include <linux/clk-provider.h> #include <linux/debugfs.h> #include <linux/interrupt.h> @@ -11,7 +10,6 @@ #include <linux/module.h> #include <linux/of_platform.h> #include <linux/platform_device.h> -#include <linux/pm_domain.h> #include <linux/thermal.h> #include <linux/slab.h> #include <linux/soc/qcom/qcom_aoss.h> @@ -68,7 +66,6 @@ struct qmp_cooling_device { * @event: wait_queue for synchronization with the IRQ * @tx_lock: provides synchronization between multiple callers of qmp_send() * @qdss_clk: QDSS clock hw struct - * @pd_data: genpd data * @cooling_devs: thermal cooling devices */ struct qmp { @@ -88,20 +85,12 @@ struct qmp { struct mutex tx_lock; struct clk_hw qdss_clk; - struct genpd_onecell_data pd_data; struct qmp_cooling_device *cooling_devs; #if IS_ENABLED(CONFIG_DEBUG_FS) struct dentry *debugfs_file; #endif /* CONFIG_DEBUG_FS */ }; -struct qmp_pd { - struct qmp *qmp; - struct generic_pm_domain pd; -}; - -#define to_qmp_pd_resource(res) container_of(res, struct qmp_pd, pd) - static void qmp_kick(struct qmp *qmp) { mbox_send_message(qmp->mbox_chan, NULL); @@ -330,95 +319,6 @@ static void qmp_qdss_clk_remove(struct qmp *qmp) clk_hw_unregister(&qmp->qdss_clk); } -static int qmp_pd_power_toggle(struct qmp_pd *res, bool enable) -{ - char buf[QMP_MSG_LEN] = {}; - - snprintf(buf, sizeof(buf), - "{class: image, res: load_state, name: %s, val: %s}", - res->pd.name, enable ? "on" : "off"); - return qmp_send(res->qmp, buf, sizeof(buf)); -} - -static int qmp_pd_power_on(struct generic_pm_domain *domain) -{ - return qmp_pd_power_toggle(to_qmp_pd_resource(domain), true); -} - -static int qmp_pd_power_off(struct generic_pm_domain *domain) -{ - return qmp_pd_power_toggle(to_qmp_pd_resource(domain), false); -} - -static const char * const sdm845_resources[] = { - [AOSS_QMP_LS_CDSP] = "cdsp", - [AOSS_QMP_LS_LPASS] = "adsp", - [AOSS_QMP_LS_MODEM] = "modem", - [AOSS_QMP_LS_SLPI] = "slpi", - [AOSS_QMP_LS_SPSS] = "spss", - [AOSS_QMP_LS_VENUS] = "venus", -}; - -static int qmp_pd_add(struct qmp *qmp) -{ - struct genpd_onecell_data *data = &qmp->pd_data; - struct device *dev = qmp->dev; - struct qmp_pd *res; - size_t num = ARRAY_SIZE(sdm845_resources); - int ret; - int i; - - res = devm_kcalloc(dev, num, sizeof(*res), GFP_KERNEL); - if (!res) - return -ENOMEM; - - data->domains = devm_kcalloc(dev, num, sizeof(*data->domains), - GFP_KERNEL); - if (!data->domains) - return -ENOMEM; - - for (i = 0; i < num; i++) { - res[i].qmp = qmp; - res[i].pd.name = sdm845_resources[i]; - res[i].pd.power_on = qmp_pd_power_on; - res[i].pd.power_off = qmp_pd_power_off; - - ret = pm_genpd_init(&res[i].pd, NULL, true); - if (ret < 0) { - dev_err(dev, "failed to init genpd\n"); - goto unroll_genpds; - } - - data->domains[i] = &res[i].pd; - } - - data->num_domains = i; - - ret = of_genpd_add_provider_onecell(dev->of_node, data); - if (ret < 0) - goto unroll_genpds; - - return 0; - -unroll_genpds: - for (i--; i >= 0; i--) - pm_genpd_remove(data->domains[i]); - - return ret; -} - -static void qmp_pd_remove(struct qmp *qmp) -{ - struct genpd_onecell_data *data = &qmp->pd_data; - struct device *dev = qmp->dev; - int i; - - of_genpd_del_provider(dev->of_node); - - for (i = 0; i < data->num_domains; i++) - pm_genpd_remove(data->domains[i]); -} - static int qmp_cdev_get_max_state(struct thermal_cooling_device *cdev, unsigned long *state) { @@ -650,10 +550,6 @@ static int qmp_probe(struct platform_device *pdev) if (ret) goto err_close_qmp; - ret = qmp_pd_add(qmp); - if (ret) - goto err_remove_qdss_clk; - ret = qmp_cooling_devices_register(qmp); if (ret) dev_err(&pdev->dev, "failed to register aoss cooling devices\n"); @@ -669,8 +565,6 @@ static int qmp_probe(struct platform_device *pdev) return 0; -err_remove_qdss_clk: - qmp_qdss_clk_remove(qmp); err_close_qmp: qmp_close(qmp); err_free_mbox: @@ -689,7 +583,6 @@ static int qmp_remove(struct platform_device *pdev) #endif /* CONFIG_DEBUG_FS */ qmp_qdss_clk_remove(qmp); - qmp_pd_remove(qmp); qmp_cooling_devices_remove(qmp); qmp_close(qmp); -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project