Merge "cnss2: Fix minor issues related to runtime PM debugfs interface" (3aa17db6) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/net/wireless/cnss2/debug.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -194,7 +194,7 @@ static ssize_t cnss_dev_boot_debug_write(struct file *fp,
		ret = -EINVAL;
		}

		if (ret)
		if (ret < 0)
		return ret;

		return count;
		@@ -482,7 +482,7 @@ static ssize_t cnss_runtime_pm_debug_write(struct file *fp,
		ret = -EINVAL;
		}

		if (ret)
		if (ret < 0)
		return ret;

		return count;
		@@ -493,6 +493,8 @@ static int cnss_runtime_pm_debug_show(struct seq_file s, void data)
		seq_puts(s, "\nUsage: echo <action> > <debugfs_path>/cnss/runtime_pm\n");
		seq_puts(s, "<action> can be one of below:\n");
		seq_puts(s, "usage_count: get runtime PM usage count\n");
		seq_puts(s, "reques_resume: do async runtime PM resume\n");
		seq_puts(s, "resume: do sync runtime PM resume\n");
		seq_puts(s, "get: do runtime PM get\n");
		seq_puts(s, "get_noresume: do runtime PM get noresume\n");
		seq_puts(s, "put_noidle: do runtime PM put noidle\n");

+18 −0

Original line number	Diff line number	Diff line
		@@ -2084,17 +2084,35 @@ void cnss_pci_pm_runtime_get_noresume(struct cnss_pci_data *pci_priv)

		int cnss_pci_pm_runtime_put_autosuspend(struct cnss_pci_data *pci_priv)
		{
		struct device *dev;

		if (!pci_priv)
		return -ENODEV;

		dev = &pci_priv->pci_dev->dev;

		if (atomic_read(&dev->power.usage_count) == 0) {
		cnss_pr_dbg("Ignore excessive runtime PM put operation\n");
		return -EINVAL;
		}

		return pm_runtime_put_autosuspend(&pci_priv->pci_dev->dev);
		}

		void cnss_pci_pm_runtime_put_noidle(struct cnss_pci_data *pci_priv)
		{
		struct device *dev;

		if (!pci_priv)
		return;

		dev = &pci_priv->pci_dev->dev;

		if (atomic_read(&dev->power.usage_count) == 0) {
		cnss_pr_dbg("Ignore excessive runtime PM put operation\n");
		return;
		}

		pm_runtime_put_noidle(&pci_priv->pci_dev->dev);
		}