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path: root/target/linux/lantiq/patches-4.4/0035-owrt-lantiq-wifi-and-ethernet-eeprom-handling.patch
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Diffstat (limited to 'target/linux/lantiq/patches-4.4/0035-owrt-lantiq-wifi-and-ethernet-eeprom-handling.patch')
-rw-r--r--target/linux/lantiq/patches-4.4/0035-owrt-lantiq-wifi-and-ethernet-eeprom-handling.patch168
1 files changed, 71 insertions, 97 deletions
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 7116b89230..6cf1b7c9cd 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 <blogic@openwrt.org>
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 <luca@ventoso.org>
+ * Copyright (C) 2011 John Crispin <blogic@openwrt.org>
@@ -93,9 +93,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+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 <blogic@openwrt.org>
+ 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);
-+
-+ 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;
-+ }
-+
-+ eep = ioremap(eep_res->start, resource_size(eep_res));
-+ memcpy_fromio(ath9k_pdata.eeprom_data, eep,
-+ ATH9K_PLAT_EEP_MAX_WORDS << 1);
++ list = of_get_property(np, "ath,eep-flash", &i);
++ if (!list || (i != (2 * sizeof(*list))))
++ return -ENODEV;
++
++ phandle = be32_to_cpup(list++);
++ if (phandle)
++ mtd_np = of_find_node_by_phandle(phandle);
++
++ 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 <blogic@openwrt.org>
+ 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 <blogic@openwrt.org>
+
+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 <blogic@openwrt.org>
+ 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);
-+
-+ 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;
-+ }
-+
-+ 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);
++ list = of_get_property(np, "ath,eep-flash", &i);
++ if (!list || (i != (2 * sizeof(*list))))
++ return -ENODEV;
++
++ phandle = be32_to_cpup(list++);
++ if (phandle)
++ mtd_np = of_find_node_by_phandle(phandle);
++
++ 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);
+ }
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