ath10k: enable bus layer suspend/resume for WCN3990 (185be1c6) · Commits · 戴 / test

drivers/net/wireless/ath/ath10k/snoc.c

+45 −0

Original line number	Diff line number	Diff line
		@@ -30,6 +30,7 @@

		#define ATH10K_SNOC_RX_POST_RETRY_MS 50
		#define CE_POLL_PIPE 4
		#define ATH10K_SNOC_WAKE_IRQ 2

		static char *const ce_name[] = {
		"WLAN_CE_0",
		@@ -1048,6 +1049,46 @@ err_wlan_enable:
		return ret;
		}

		#ifdef CONFIG_PM
		static int ath10k_snoc_hif_suspend(struct ath10k *ar)
		{
		struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
		int ret;

		if (!device_may_wakeup(ar->dev))
		return -EPERM;

		ret = enable_irq_wake(ar_snoc->ce_irqs[ATH10K_SNOC_WAKE_IRQ].irq_line);
		if (ret) {
		ath10k_err(ar, "failed to enable wakeup irq :%d\n", ret);
		return ret;
		}

		ath10k_dbg(ar, ATH10K_DBG_SNOC, "snoc device suspended\n");

		return ret;
		}

		static int ath10k_snoc_hif_resume(struct ath10k *ar)
		{
		struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
		int ret;

		if (!device_may_wakeup(ar->dev))
		return -EPERM;

		ret = disable_irq_wake(ar_snoc->ce_irqs[ATH10K_SNOC_WAKE_IRQ].irq_line);
		if (ret) {
		ath10k_err(ar, "failed to disable wakeup irq: %d\n", ret);
		return ret;
		}

		ath10k_dbg(ar, ATH10K_DBG_SNOC, "snoc device resumed\n");

		return ret;
		}
		#endif

		static const struct ath10k_hif_ops ath10k_snoc_hif_ops = {
		.read32 = ath10k_snoc_read32,
		.write32 = ath10k_snoc_write32,
		@@ -1061,6 +1102,10 @@ static const struct ath10k_hif_ops ath10k_snoc_hif_ops = {
		.send_complete_check = ath10k_snoc_hif_send_complete_check,
		.get_free_queue_number = ath10k_snoc_hif_get_free_queue_number,
		.get_target_info = ath10k_snoc_hif_get_target_info,
		#ifdef CONFIG_PM
		.suspend = ath10k_snoc_hif_suspend,
		.resume = ath10k_snoc_hif_resume,
		#endif
		};

		static const struct ath10k_bus_ops ath10k_snoc_bus_ops = {

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