diff --git a/target/linux/lantiq/patches-4.4/0035-owrt-lantiq-wifi-and-ethernet-eeprom-handling.patch b/target/linux/lantiq/patches-4.4/0035-owrt-lantiq-wifi-and-ethernet-eeprom-handling.patch index 7116b89230f..6cf1b7c9cd3 100644 --- a/target/linux/lantiq/patches-4.4/0035-owrt-lantiq-wifi-and-ethernet-eeprom-handling.patch +++ b/target/linux/lantiq/patches-4.4/0035-owrt-lantiq-wifi-and-ethernet-eeprom-handling.patch @@ -51,7 +51,7 @@ Signed-off-by: John Crispin obj-$(CONFIG_XRX200_PHY_FW) += xrx200_phy_fw.o --- /dev/null +++ b/arch/mips/lantiq/xway/ath_eep.c -@@ -0,0 +1,307 @@ +@@ -0,0 +1,281 @@ +/* + * Copyright (C) 2011 Luca Olivetti + * Copyright (C) 2011 John Crispin @@ -93,9 +93,7 @@ Signed-off-by: John Crispin +static int ath9k_eep_load; +int __init of_ath9k_eeprom_probe(struct platform_device *pdev) +{ -+ struct device_node *np = pdev->dev.of_node, *mtd_np; -+ struct resource *eep_res, *mac_res = NULL; -+ void __iomem *eep, *mac; ++ struct device_node *np = pdev->dev.of_node, *mtd_np = NULL; + int mac_offset, led_pin; + u32 mac_inc = 0, pci_slot = 0; + int i; @@ -106,41 +104,38 @@ Signed-off-by: John Crispin + phandle phandle; + u16 dev_ids[2] = { 0 }; + -+ if ((list = of_get_property(np, "ath,eep-flash", &i)) && i == 2 * -+ sizeof(*list) && (phandle = be32_to_cpup(list++)) && -+ (mtd_np = of_find_node_by_phandle(phandle)) && ((part = -+ of_get_property(mtd_np, "label", NULL)) || (part = -+ mtd_np->name)) && (the_mtd = get_mtd_device_nm(part)) -+ != ERR_PTR(-ENODEV)) { -+ i = mtd_read(the_mtd, be32_to_cpup(list), -+ ATH9K_PLAT_EEP_MAX_WORDS << 1, &flash_readlen, -+ (void *) ath9k_pdata.eeprom_data); -+ if (!of_property_read_u32(np, "ath,mac-offset", &mac_offset)) { -+ size_t mac_readlen; -+ mtd_read(the_mtd, mac_offset, 6, &mac_readlen, -+ (void *) athxk_eeprom_mac); -+ } -+ put_mtd_device(the_mtd); -+ if ((sizeof(ath9k_pdata.eeprom_data) != flash_readlen) || i) { -+ dev_err(&pdev->dev, "failed to load eeprom from mtd\n"); -+ return -ENODEV; -+ } -+ } else { -+ eep_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ mac_res = platform_get_resource(pdev, IORESOURCE_MEM, 1); ++ list = of_get_property(np, "ath,eep-flash", &i); ++ if (!list || (i != (2 * sizeof(*list)))) ++ return -ENODEV; + -+ if (!eep_res) { -+ dev_err(&pdev->dev, "failed to load eeprom address\n"); -+ return -ENODEV; -+ } -+ if (resource_size(eep_res) != ATH9K_PLAT_EEP_MAX_WORDS << 1) { -+ dev_err(&pdev->dev, "eeprom has an invalid size\n"); -+ return -EINVAL; -+ } ++ phandle = be32_to_cpup(list++); ++ if (phandle) ++ mtd_np = of_find_node_by_phandle(phandle); + -+ eep = ioremap(eep_res->start, resource_size(eep_res)); -+ memcpy_fromio(ath9k_pdata.eeprom_data, eep, -+ ATH9K_PLAT_EEP_MAX_WORDS << 1); ++ if (!mtd_np) ++ return -ENODEV; ++ ++ part = of_get_property(mtd_np, "label", NULL); ++ if (!part) ++ part = mtd_np->name; ++ ++ the_mtd = get_mtd_device_nm(part); ++ if (IS_ERR(the_mtd)) ++ return -ENODEV; ++ ++ i = mtd_read(the_mtd, be32_to_cpup(list), ATH9K_PLAT_EEP_MAX_WORDS << 1, ++ &flash_readlen, (void *) ath9k_pdata.eeprom_data); ++ ++ if (!of_property_read_u32(np, "ath,mac-offset", &mac_offset)) { ++ size_t mac_readlen; ++ mtd_read(the_mtd, mac_offset, 6, &mac_readlen, ++ (void *) athxk_eeprom_mac); ++ } ++ put_mtd_device(the_mtd); ++ ++ if ((sizeof(ath9k_pdata.eeprom_data) != flash_readlen) || i) { ++ dev_err(&pdev->dev, "failed to load eeprom from mtd\n"); ++ return -ENODEV; + } + + if (of_find_property(np, "ath,eep-swap", NULL)) @@ -153,18 +148,9 @@ Signed-off-by: John Crispin + dev_info(&pdev->dev, "endian check enabled.\n"); + } + -+ if (!is_valid_ether_addr(athxk_eeprom_mac)) { -+ if (mac_res) { -+ if (resource_size(mac_res) != 6) { -+ dev_err(&pdev->dev, "mac has an invalid size\n"); -+ return -EINVAL; -+ } -+ mac = ioremap(mac_res->start, resource_size(mac_res)); -+ memcpy_fromio(athxk_eeprom_mac, mac, 6); -+ } else if (ltq_get_eth_mac()) { -+ memcpy(athxk_eeprom_mac, ltq_get_eth_mac(), 6); -+ } -+ } ++ if (!is_valid_ether_addr(athxk_eeprom_mac) && ltq_get_eth_mac()) ++ memcpy(athxk_eeprom_mac, ltq_get_eth_mac(), 6); ++ + if (!is_valid_ether_addr(athxk_eeprom_mac)) { + dev_warn(&pdev->dev, "using random mac\n"); + random_ether_addr(athxk_eeprom_mac); @@ -263,9 +249,7 @@ Signed-off-by: John Crispin + +int __init of_ath5k_eeprom_probe(struct platform_device *pdev) +{ -+ struct device_node *np = pdev->dev.of_node, *mtd_np; -+ struct resource *eep_res, *mac_res = NULL; -+ void __iomem *eep, *mac; ++ struct device_node *np = pdev->dev.of_node, *mtd_np = NULL; + int mac_offset; + u32 mac_inc = 0; + int i; @@ -275,57 +259,47 @@ Signed-off-by: John Crispin + const char *part; + phandle phandle; + -+ if ((list = of_get_property(np, "ath,eep-flash", &i)) && i == 2 * -+ sizeof(*list) && (phandle = be32_to_cpup(list++)) && -+ (mtd_np = of_find_node_by_phandle(phandle)) && ((part = -+ of_get_property(mtd_np, "label", NULL)) || (part = -+ mtd_np->name)) && (the_mtd = get_mtd_device_nm(part)) -+ != ERR_PTR(-ENODEV)) { -+ i = mtd_read(the_mtd, be32_to_cpup(list), -+ ATH5K_PLAT_EEP_MAX_WORDS << 1, &flash_readlen, -+ (void *) ath5k_pdata.eeprom_data); -+ put_mtd_device(the_mtd); -+ if ((sizeof(ATH5K_PLAT_EEP_MAX_WORDS << 1) != flash_readlen) -+ || i) { -+ dev_err(&pdev->dev, "failed to load eeprom from mtd\n"); -+ return -ENODEV; -+ } -+ } else { -+ eep_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ mac_res = platform_get_resource(pdev, IORESOURCE_MEM, 1); ++ list = of_get_property(np, "ath,eep-flash", &i); ++ if (!list || (i != (2 * sizeof(*list)))) ++ return -ENODEV; + -+ if (!eep_res) { -+ dev_err(&pdev->dev, "failed to load eeprom address\n"); -+ return -ENODEV; -+ } -+ if (resource_size(eep_res) != ATH5K_PLAT_EEP_MAX_WORDS << 1) { -+ dev_err(&pdev->dev, "eeprom has an invalid size\n"); -+ return -EINVAL; -+ } ++ phandle = be32_to_cpup(list++); ++ if (phandle) ++ mtd_np = of_find_node_by_phandle(phandle); + -+ eep = ioremap(eep_res->start, resource_size(eep_res)); -+ ath5k_pdata.eeprom_data = kmalloc(ATH5K_PLAT_EEP_MAX_WORDS<<1, -+ GFP_KERNEL); -+ memcpy_fromio(ath5k_pdata.eeprom_data, eep, -+ ATH5K_PLAT_EEP_MAX_WORDS << 1); ++ if (!mtd_np) ++ return -ENODEV; ++ ++ part = of_get_property(mtd_np, "label", NULL); ++ if (!part) ++ part = mtd_np->name; ++ ++ the_mtd = get_mtd_device_nm(part); ++ if (IS_ERR(the_mtd)) ++ return -ENODEV; ++ ++ i = mtd_read(the_mtd, be32_to_cpup(list), ATH5K_PLAT_EEP_MAX_WORDS << 1, ++ &flash_readlen, (void *) ath5k_pdata.eeprom_data); ++ ++ put_mtd_device(the_mtd); ++ ++ if ((sizeof(ATH5K_PLAT_EEP_MAX_WORDS << 1) != flash_readlen) ++ || i) { ++ dev_err(&pdev->dev, "failed to load eeprom from mtd\n"); ++ return -ENODEV; + } + + if (of_find_property(np, "ath,eep-swap", NULL)) + for (i = 0; i < ATH5K_PLAT_EEP_MAX_WORDS; i++) + ath5k_pdata.eeprom_data[i] = swab16(ath5k_pdata.eeprom_data[i]); + -+ if (!of_property_read_u32(np, "ath,mac-offset", &mac_offset)) { ++ if (!of_property_read_u32(np, "ath,mac-offset", &mac_offset)) + memcpy_fromio(athxk_eeprom_mac, (void*) ath5k_pdata.eeprom_data + mac_offset, 6); -+ } else if (mac_res) { -+ if (resource_size(mac_res) != 6) { -+ dev_err(&pdev->dev, "mac has an invalid size\n"); -+ return -EINVAL; -+ } -+ mac = ioremap(mac_res->start, resource_size(mac_res)); -+ memcpy_fromio(athxk_eeprom_mac, mac, 6); -+ } else if (ltq_get_eth_mac()) ++ ++ if (!is_valid_ether_addr(athxk_eeprom_mac) && ltq_get_eth_mac()) + memcpy(athxk_eeprom_mac, ltq_get_eth_mac(), 6); -+ else { ++ ++ if (!is_valid_ether_addr(athxk_eeprom_mac)) { + dev_warn(&pdev->dev, "using random mac\n"); + random_ether_addr(athxk_eeprom_mac); + }