Merge "cnss: Add PCIE_SWITCH_DELAY when wlan do SSR" (1d71359b) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/net/wireless/cnss/cnss_pci.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -118,6 +118,7 @@
		#define WLAN_VREG_IO_DELAY_MIN 100
		#define WLAN_VREG_IO_DELAY_MAX 1000
		#define WLAN_ENABLE_DELAY 10
		#define PCIE_SWITCH_DELAY 20
		#define WLAN_RECOVERY_DELAY 1
		#define PCIE_ENABLE_DELAY 100
		#define WLAN_BOOTSTRAP_DELAY 10
		@@ -2637,6 +2638,13 @@ static int cnss_powerup(const struct subsys_desc *subsys)

		msleep(POWER_ON_DELAY);
		cnss_configure_wlan_en_gpio(WLAN_EN_HIGH);
		/**
		* Some platforms have wifi and other PCIE card attached with PCIE
		* switch on the same RC like P5459 board(ROME 3.2 PCIE card + Ethernet
		* PCI), it will need extra time to stable the signals when do SSR,
		* otherwise fail to create the PCIE link, so add PCIE_SWITCH_DELAY.
		*/
		msleep(PCIE_SWITCH_DELAY);

		if (!pdev) {
		pr_err("%d: invalid pdev\n", __LINE__);