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Commit 283b0802 authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "msm: pcie: make PCIe DRV L1ss timeout configurable in devicetree"

parents c511abcf 2955ad34

drivers/pci/controller/pci-msm.c

+11 −1
Original line number Diff line number Diff line
@@ -5936,12 +5936,22 @@ static int msm_pcie_setup_drv(struct msm_pcie_dev_t *pcie_dev, 
	struct msm_pcie_drv_msg *msg;

	struct msm_pcie_drv_tre *pkt;

	struct msm_pcie_drv_header *hdr;

	u32 drv_l1ss_timeout_us = 0;

	int ret;



	drv_info = devm_kzalloc(&pcie_dev->pdev->dev, sizeof(*drv_info),

				GFP_KERNEL);

	if (!drv_info)

		return -ENOMEM;



	ret = of_property_read_u32(of_node, "qcom,drv-l1ss-timeout-us",

					&drv_l1ss_timeout_us);

	if (ret)

		drv_l1ss_timeout_us = L1SS_TIMEOUT_US;



	PCIE_DBG(pcie_dev, "PCIe: RC%d: DRV L1ss timeout: %dus\n",

		pcie_dev->rc_idx, drv_l1ss_timeout_us);



	drv_info->dev_id = pcie_dev->rc_idx;



	/* cache frequent command for communication */
@@ -5956,7 +5966,7 @@ static int msm_pcie_setup_drv(struct msm_pcie_dev_t *pcie_dev, 


	pkt->dword[0] = MSM_PCIE_DRV_CMD_ENABLE;

	pkt->dword[1] = hdr->dev_id;

	pkt->dword[2] = L1SS_TIMEOUT_US / 1000;

	pkt->dword[2] = drv_l1ss_timeout_us / 1000;



	msg = &drv_info->drv_disable;

	pkt = &msg->pkt;