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Commit 0923ae55 authored by Ramya SR's avatar Ramya SR
Browse files

pci: msm: Bring pine EP out of reset after link up 



This change is to bring pine EP out of reset post link-up.

Change-Id: Ied7533258496e8c08f619997626d70bcd6f0f8de
Signed-off-by: default avatarRamya SR <quic_rsr@quicinc.com>
parent 521fadd2

drivers/pci/controller/pci-msm.c

+11 −1
Original line number Diff line number Diff line
@@ -720,6 +720,7 @@ struct pcie_i2c_ctrl { 
	u32 reg_update_count;

	u32 version_reg;

	bool force_i2c_setting;

	bool ep_reset_postlinkup;

	struct pcie_i2c_reg_update *switch_reg_update;

	u32 switch_reg_update_count;

	/* client specific callbacks */
@@ -4773,7 +4774,8 @@ static int msm_pcie_enable(struct msm_pcie_dev_t *dev) 
		msleep(20);

	}

	/* bring eps out of reset */

	if (dev->i2c_ctrl.client && dev->i2c_ctrl.client_i2c_reset) {

	if (dev->i2c_ctrl.client && dev->i2c_ctrl.client_i2c_reset

			 && !dev->i2c_ctrl.ep_reset_postlinkup) {

		dev->i2c_ctrl.client_i2c_reset(&dev->i2c_ctrl, false);

		msleep(100);

	}
@@ -4824,6 +4826,12 @@ static int msm_pcie_enable(struct msm_pcie_dev_t *dev) 
	if (dev->enumerated)

		msm_msi_config(dev_get_msi_domain(&dev->dev->dev));



	/* Bring pine EP out of reset*/

	if (dev->i2c_ctrl.client && dev->i2c_ctrl.client_i2c_reset

			 && dev->i2c_ctrl.ep_reset_postlinkup) {

		dev->i2c_ctrl.client_i2c_reset(&dev->i2c_ctrl, false);

		msleep(100);

	}

	goto out;



link_fail:
@@ -6087,6 +6095,8 @@ static int msm_pcie_i2c_ctrl_init(struct msm_pcie_dev_t *pcie_dev) 
				 &i2c_ctrl->version_reg);

	i2c_ctrl->force_i2c_setting = of_property_read_bool(i2c_client_node,

				 "force-i2c-setting");

	i2c_ctrl->ep_reset_postlinkup = of_property_read_bool(i2c_client_node,

				 "ep_reset_postlinkup");

	of_get_property(i2c_client_node, "dump-regs", &size);



	if (size) {