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[v4,7/9] PCI: qcom: Use post init sequence of IP v2.3.2 for v2.4.0

Message ID 20230619150408.8468-8-manivannan.sadhasivam@linaro.org (mailing list archive)
State Accepted
Delegated to: Lorenzo Pieralisi
Headers show
Series PCI: qcom: Do not advertise hotplug capability | expand

Commit Message

Manivannan Sadhasivam June 19, 2023, 3:04 p.m. UTC 
The post init sequence of IP v2.4.0 is same as v2.3.2. So let's reuse the
v2.3.2 sequence which now also disables hotplug capability of the
controller as it is not at all supported on any SoCs making use of this IP.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
 drivers/pci/controller/dwc/pcie-qcom.c | 30 +-------------------------
 1 file changed, 1 insertion(+), 29 deletions(-)
diff mbox series

Patch

diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
index 9c8dfd224e6e..e6db9e551752 100644
--- a/drivers/pci/controller/dwc/pcie-qcom.c
+++ b/drivers/pci/controller/dwc/pcie-qcom.c
@@ -703,34 +703,6 @@  static int qcom_pcie_init_2_4_0(struct qcom_pcie *pcie)
 	return 0;
 }
 
-static int qcom_pcie_post_init_2_4_0(struct qcom_pcie *pcie)
-{
-	u32 val;
-
-	/* enable PCIe clocks and resets */
-	val = readl(pcie->parf + PARF_PHY_CTRL);
-	val &= ~PHY_TEST_PWR_DOWN;
-	writel(val, pcie->parf + PARF_PHY_CTRL);
-
-	/* change DBI base address */
-	writel(0, pcie->parf + PARF_DBI_BASE_ADDR);
-
-	/* MAC PHY_POWERDOWN MUX DISABLE  */
-	val = readl(pcie->parf + PARF_SYS_CTRL);
-	val &= ~MAC_PHY_POWERDOWN_IN_P2_D_MUX_EN;
-	writel(val, pcie->parf + PARF_SYS_CTRL);
-
-	val = readl(pcie->parf + PARF_MHI_CLOCK_RESET_CTRL);
-	val |= BYPASS;
-	writel(val, pcie->parf + PARF_MHI_CLOCK_RESET_CTRL);
-
-	val = readl(pcie->parf + PARF_AXI_MSTR_WR_ADDR_HALT_V2);
-	val |= EN;
-	writel(val, pcie->parf + PARF_AXI_MSTR_WR_ADDR_HALT_V2);
-
-	return 0;
-}
-
 static int qcom_pcie_get_resources_2_3_3(struct qcom_pcie *pcie)
 {
 	struct qcom_pcie_resources_2_3_3 *res = &pcie->res.v2_3_3;
@@ -1276,7 +1248,7 @@  static const struct qcom_pcie_ops ops_2_3_2 = {
 static const struct qcom_pcie_ops ops_2_4_0 = {
 	.get_resources = qcom_pcie_get_resources_2_4_0,
 	.init = qcom_pcie_init_2_4_0,
-	.post_init = qcom_pcie_post_init_2_4_0,
+	.post_init = qcom_pcie_post_init_2_3_2,
 	.deinit = qcom_pcie_deinit_2_4_0,
 	.ltssm_enable = qcom_pcie_2_3_2_ltssm_enable,
 };