Merge "msm: pcie: add logs for link bandwidth switching" (72eeaa9d) · Commits · e / devices / android_kernel_oneplus_sm7250

drivers/pci/controller/pci-msm.c

+13 −0

Original line number	Diff line number	Diff line
		@@ -6225,9 +6225,19 @@ int msm_pcie_set_link_bandwidth(struct pci_dev *pci_dev, u16 target_link_speed,

		if (target_link_speed == current_link_speed)
		set_link_speed = false;
		else
		PCIE_DBG(pcie_dev,
		"PCIe: RC%d: switching from Gen%d to Gen%d\n",
		pcie_dev->rc_idx, current_link_speed,
		target_link_speed);

		if (target_link_width == current_link_width)
		set_link_width = false;
		else
		PCIE_DBG(pcie_dev,
		"PCIe: RC%d: switching from x%d to x%d\n",
		pcie_dev->rc_idx, current_link_width,
		target_link_width);

		if (!set_link_speed && !set_link_width)
		return 0;
		@@ -6270,6 +6280,9 @@ int msm_pcie_set_link_bandwidth(struct pci_dev *pci_dev, u16 target_link_speed,

		if (target_link_speed < current_link_speed)
		msm_pcie_scale_link_bandwidth(pcie_dev, target_link_speed);

		PCIE_DBG(pcie_dev, "PCIe: RC%d: successfully switched link bandwidth\n",
		pcie_dev->rc_idx);
		out:
		msm_pcie_allow_l1(root_pci_dev);