Merge "usb: phy: qusb: Add tune2 module param to override TUNE2 value" (51cb0927) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/usb/phy/phy-msm-qusb.c

+13 −0

Original line number	Diff line number	Diff line
		@@ -93,6 +93,10 @@

		#define HS_PHY_CTRL_REG 0x10

		unsigned int tune2;
		module_param(tune2, uint, S_IRUGO \| S_IWUSR);
		MODULE_PARM_DESC(tune2, "QUSB PHY TUNE2");

		struct qusb_phy {
		struct usb_phy phy;
		void __iomem *base;
		@@ -573,6 +577,15 @@ static int qusb_phy_init(struct usb_phy *phy)
		writel_relaxed(qphy->tune2_val,
		qphy->base + QUSB2PHY_PORT_TUNE2);
		}

		/* If tune2 modparam set, override tune2 value */
		if (tune2) {
		pr_debug("%s(): (modparam) TUNE2 val:0x%02x\n",
		__func__, tune2);
		writel_relaxed(tune2,
		qphy->base + QUSB2PHY_PORT_TUNE2);
		}

		/* ensure above writes are completed before re-enabling PHY */
		wmb();