[PATCH 14/19] PCI: qcom-ep: Rename "mmio" region to "mhi"
From: Manivannan Sadhasivam
Date: Mon Mar 06 2023 - 10:35:04 EST
As per Qualcomm's internal documentation, the name of the region is "mhi"
and not "mmio". So let's rename it to follow the convention.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
---
drivers/pci/controller/dwc/pcie-qcom-ep.c | 38 +++++++++++------------
1 file changed, 19 insertions(+), 19 deletions(-)
diff --git a/drivers/pci/controller/dwc/pcie-qcom-ep.c b/drivers/pci/controller/dwc/pcie-qcom-ep.c
index 19b32839ea26..a4983d3844f7 100644
--- a/drivers/pci/controller/dwc/pcie-qcom-ep.c
+++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c
@@ -147,9 +147,9 @@ enum qcom_pcie_ep_link_status {
* @pci: Designware PCIe controller struct
* @parf: Qualcomm PCIe specific PARF register base
* @elbi: Designware PCIe specific ELBI register base
- * @mmio: MMIO register base
+ * @mhi: MHI register base
* @perst_map: PERST regmap
- * @mmio_res: MMIO region resource
+ * @mhi_res: MHI region resource
* @core_reset: PCIe Endpoint core reset
* @reset: PERST# GPIO
* @wake: WAKE# GPIO
@@ -168,9 +168,9 @@ struct qcom_pcie_ep {
void __iomem *parf;
void __iomem *elbi;
- void __iomem *mmio;
+ void __iomem *mhi;
struct regmap *perst_map;
- struct resource *mmio_res;
+ struct resource *mhi_res;
struct reset_control *core_reset;
struct gpio_desc *reset;
@@ -405,10 +405,10 @@ static int qcom_pcie_perst_deassert(struct dw_pcie *pci)
}
/*
- * The physical address of the MMIO region which is exposed as the BAR
- * should be written to MHI BASE registers.
+ * The physical address of the MHI region which is exposed as the BAR
+ * should be written to PARF_MHI_BASE registers.
*/
- writel_relaxed(pcie_ep->mmio_res->start,
+ writel_relaxed(pcie_ep->mhi_res->start,
pcie_ep->parf + PARF_MHI_BASE_ADDR_LOWER);
writel_relaxed(0, pcie_ep->parf + PARF_MHI_BASE_ADDR_UPPER);
@@ -477,16 +477,16 @@ static int qcom_pcie_ep_get_io_resources(struct platform_device *pdev,
if (IS_ERR(pcie_ep->elbi))
return PTR_ERR(pcie_ep->elbi);
- pcie_ep->mmio_res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
- "mmio");
- if (!pcie_ep->mmio_res) {
- dev_err(dev, "Failed to get mmio resource\n");
+ pcie_ep->mhi_res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
+ "mhi");
+ if (!pcie_ep->mhi_res) {
+ dev_err(dev, "Failed to get mhi resource\n");
return -EINVAL;
}
- pcie_ep->mmio = devm_pci_remap_cfg_resource(dev, pcie_ep->mmio_res);
- if (IS_ERR(pcie_ep->mmio))
- return PTR_ERR(pcie_ep->mmio);
+ pcie_ep->mhi = devm_pci_remap_cfg_resource(dev, pcie_ep->mhi_res);
+ if (IS_ERR(pcie_ep->mhi))
+ return PTR_ERR(pcie_ep->mhi);
syscon = of_parse_phandle(dev->of_node, "qcom,perst-regs", 0);
if (!syscon) {
@@ -674,19 +674,19 @@ static int qcom_pcie_ep_link_transition_count(struct seq_file *s, void *data)
dev_get_drvdata(s->private);
seq_printf(s, "L0s transition count: %u\n",
- readl_relaxed(pcie_ep->mmio + PARF_DEBUG_CNT_PM_LINKST_IN_L0S));
+ readl_relaxed(pcie_ep->mhi + PARF_DEBUG_CNT_PM_LINKST_IN_L0S));
seq_printf(s, "L1 transition count: %u\n",
- readl_relaxed(pcie_ep->mmio + PARF_DEBUG_CNT_PM_LINKST_IN_L1));
+ readl_relaxed(pcie_ep->mhi + PARF_DEBUG_CNT_PM_LINKST_IN_L1));
seq_printf(s, "L1.1 transition count: %u\n",
- readl_relaxed(pcie_ep->mmio + PARF_DEBUG_CNT_AUX_CLK_IN_L1SUB_L1));
+ readl_relaxed(pcie_ep->mhi + PARF_DEBUG_CNT_AUX_CLK_IN_L1SUB_L1));
seq_printf(s, "L1.2 transition count: %u\n",
- readl_relaxed(pcie_ep->mmio + PARF_DEBUG_CNT_AUX_CLK_IN_L1SUB_L2));
+ readl_relaxed(pcie_ep->mhi + PARF_DEBUG_CNT_AUX_CLK_IN_L1SUB_L2));
seq_printf(s, "L2 transition count: %u\n",
- readl_relaxed(pcie_ep->mmio + PARF_DEBUG_CNT_PM_LINKST_IN_L2));
+ readl_relaxed(pcie_ep->mhi + PARF_DEBUG_CNT_PM_LINKST_IN_L2));
return 0;
}
--
2.25.1