From 891b4814800bd3ad5d16c5d45e0cd05709f64721 Mon Sep 17 00:00:00 2001 From: Mayuresh Chitale Date: Thu, 16 Nov 2023 22:21:02 +0530 Subject: [PATCH] pci: xilinx: Fix "reg" not found error Fix the driver to use the dev_read_addr_size API to fetch the reg property from the DT. Signed-off-by: Mayuresh Chitale Link: https://lore.kernel.org/r/20231116165103.140968-2-mchitale@ventanamicro.com Signed-off-by: Michal Simek --- drivers/pci/pcie_xilinx.c | 29 ++++++++++++----------------- 1 file changed, 12 insertions(+), 17 deletions(-) diff --git a/drivers/pci/pcie_xilinx.c b/drivers/pci/pcie_xilinx.c index 53fd121e90..fdc9b08c10 100644 --- a/drivers/pci/pcie_xilinx.c +++ b/drivers/pci/pcie_xilinx.c @@ -8,11 +8,10 @@ #include #include #include -#include #include #include - -#include +#include +#include /** * struct xilinx_pcie - Xilinx PCIe controller state @@ -140,20 +139,16 @@ static int pcie_xilinx_write_config(struct udevice *bus, pci_dev_t bdf, static int pcie_xilinx_of_to_plat(struct udevice *dev) { struct xilinx_pcie *pcie = dev_get_priv(dev); - struct fdt_resource reg_res; - DECLARE_GLOBAL_DATA_PTR; - int err; - - err = fdt_get_resource(gd->fdt_blob, dev_of_offset(dev), "reg", - 0, ®_res); - if (err < 0) { - pr_err("\"reg\" resource not found\n"); - return err; - } - - pcie->cfg_base = map_physmem(reg_res.start, - fdt_resource_size(®_res), - MAP_NOCACHE); + fdt_addr_t addr; + fdt_size_t size; + + addr = dev_read_addr_size(dev, &size); + if (addr == FDT_ADDR_T_NONE) + return -EINVAL; + + pcie->cfg_base = devm_ioremap(dev, addr, size); + if (IS_ERR(pcie->cfg_base)) + return PTR_ERR(pcie->cfg_base); return 0; } -- 2.39.5