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openwrt-owl/target/linux/lantiq/patches-3.10/0010-MIPS-lantiq-wifi-and-e...

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From 591a9bdde1fa9aa6f1c6132ea04771bb1dcd6180 Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Wed, 13 Mar 2013 10:02:58 +0100
Subject: [PATCH 18/22] owrt: lantiq: wifi and ethernet eeprom handling
---
arch/mips/include/asm/mach-lantiq/pci-ath-fixup.h | 6 +
.../mips/include/asm/mach-lantiq/xway/lantiq_soc.h | 3 +
arch/mips/lantiq/xway/Makefile | 3 +
arch/mips/lantiq/xway/ath_eep.c | 248 ++++++++++++++++++++
arch/mips/lantiq/xway/eth_mac.c | 76 ++++++
arch/mips/lantiq/xway/pci-ath-fixup.c | 109 +++++++++
arch/mips/lantiq/xway/rt_eep.c | 60 +++++
arch/mips/pci/pci-lantiq.c | 2 +-
8 files changed, 506 insertions(+), 1 deletion(-)
create mode 100644 arch/mips/include/asm/mach-lantiq/pci-ath-fixup.h
create mode 100644 arch/mips/lantiq/xway/ath_eep.c
create mode 100644 arch/mips/lantiq/xway/eth_mac.c
create mode 100644 arch/mips/lantiq/xway/pci-ath-fixup.c
create mode 100644 arch/mips/lantiq/xway/rt_eep.c
Index: linux-3.10.49/arch/mips/include/asm/mach-lantiq/pci-ath-fixup.h
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.10.49/arch/mips/include/asm/mach-lantiq/pci-ath-fixup.h 2014-07-28 15:42:11.008968725 +0100
@@ -0,0 +1,6 @@
+#ifndef _PCI_ATH_FIXUP
+#define _PCI_ATH_FIXUP
+
+void ltq_pci_ath_fixup(unsigned slot, u16 *cal_data) __init;
+
+#endif /* _PCI_ATH_FIXUP */
Index: linux-3.10.49/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
===================================================================
--- linux-3.10.49.orig/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h 2014-07-17 23:58:15.000000000 +0100
+++ linux-3.10.49/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h 2014-07-28 15:42:11.008968725 +0100
@@ -90,5 +90,8 @@
extern void ltq_pmu_enable(unsigned int module);
extern void ltq_pmu_disable(unsigned int module);
+/* allow the ethernet driver to load a flash mapped mac addr */
+const u8* ltq_get_eth_mac(void);
+
#endif /* CONFIG_SOC_TYPE_XWAY */
#endif /* _LTQ_XWAY_H__ */
Index: linux-3.10.49/arch/mips/lantiq/xway/Makefile
===================================================================
--- linux-3.10.49.orig/arch/mips/lantiq/xway/Makefile 2014-07-28 15:42:10.976968725 +0100
+++ linux-3.10.49/arch/mips/lantiq/xway/Makefile 2014-07-28 15:49:51.008978396 +0100
@@ -2,4 +2,7 @@
obj-y += vmmc.o
+obj-y += eth_mac.o
+obj-$(CONFIG_PCI) += ath_eep.o rt_eep.o pci-ath-fixup.o
+
obj-$(CONFIG_XRX200_PHY_FW) += xrx200_phy_fw.o
Index: linux-3.10.49/arch/mips/lantiq/xway/ath_eep.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.10.49/arch/mips/lantiq/xway/ath_eep.c 2014-07-28 15:46:33.032974234 +0100
@@ -0,0 +1,277 @@
+/*
+ * Copyright (C) 2011 Luca Olivetti <luca@ventoso.org>
+ * Copyright (C) 2011 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2011 Andrej Vlašić <andrej.vlasic0@gmail.com>
+ * Copyright (C) 2013 Álvaro Fernández Rojas <noltari@gmail.com>
+ * Copyright (C) 2013 Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/etherdevice.h>
+#include <linux/ath5k_platform.h>
+#include <linux/ath9k_platform.h>
+#include <linux/pci.h>
+#include <linux/err.h>
+#include <linux/mtd/mtd.h>
+#include <pci-ath-fixup.h>
+#include <lantiq_soc.h>
+
+extern int (*ltq_pci_plat_dev_init)(struct pci_dev *dev);
+struct ath5k_platform_data ath5k_pdata;
+struct ath9k_platform_data ath9k_pdata = {
+ .led_pin = -1,
+};
+static u8 athxk_eeprom_mac[6];
+
+static int ath9k_pci_plat_dev_init(struct pci_dev *dev)
+{
+ dev->dev.platform_data = &ath9k_pdata;
+ return 0;
+}
+
+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;
+ int mac_offset;
+ u32 mac_inc = 0, pci_slot = 0;
+ int i;
+ struct mtd_info *the_mtd;
+ size_t flash_readlen;
+ const __be32 *list;
+ 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),
+ 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);
+ }
+
+ if (of_find_property(np, "ath,eep-swap", NULL))
+ for (i = 0; i < ATH9K_PLAT_EEP_MAX_WORDS; i++)
+ ath9k_pdata.eeprom_data[i] = swab16(ath9k_pdata.eeprom_data[i]);
+
+ if (of_find_property(np, "ath,eep-endian", NULL)) {
+ ath9k_pdata.endian_check = true;
+
+ 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)) {
+ dev_warn(&pdev->dev, "using random mac\n");
+ random_ether_addr(athxk_eeprom_mac);
+ }
+
+ if (!of_property_read_u32(np, "ath,mac-increment", &mac_inc))
+ athxk_eeprom_mac[5] += mac_inc;
+
+ ath9k_pdata.macaddr = athxk_eeprom_mac;
+ ltq_pci_plat_dev_init = ath9k_pci_plat_dev_init;
+
+ if (!of_property_read_u32(np, "ath,pci-slot", &pci_slot)) {
+ ltq_pci_ath_fixup(pci_slot, ath9k_pdata.eeprom_data);
+
+ dev_info(&pdev->dev, "pci slot: %u\n", pci_slot);
+ if (ath9k_eep_load) {
+ struct pci_dev *d = NULL;
+ while ((d = pci_get_device(PCI_VENDOR_ID_ATHEROS,
+ PCI_ANY_ID, d)) != NULL)
+ pci_fixup_device(pci_fixup_early, d);
+ }
+
+ }
+
+ dev_info(&pdev->dev, "loaded ath9k eeprom\n");
+
+ return 0;
+}
+
+static struct of_device_id ath9k_eeprom_ids[] = {
+ { .compatible = "ath9k,eeprom" },
+ { }
+};
+
+static struct platform_driver ath9k_eeprom_driver = {
+ .driver = {
+ .name = "ath9k,eeprom",
+ .owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(ath9k_eeprom_ids),
+ },
+};
+
+static int __init of_ath9k_eeprom_init(void)
+{
+ int ret = platform_driver_probe(&ath9k_eeprom_driver, of_ath9k_eeprom_probe);
+
+ if (ret)
+ ath9k_eep_load = 1;
+
+ return ret;
+}
+
+static int __init of_ath9k_eeprom_init_late(void)
+{
+ if (!ath9k_eep_load)
+ return 0;
+ return platform_driver_probe(&ath9k_eeprom_driver, of_ath9k_eeprom_probe);
+}
+late_initcall(of_ath9k_eeprom_init_late);
+subsys_initcall(of_ath9k_eeprom_init);
+
+
+static int ath5k_pci_plat_dev_init(struct pci_dev *dev)
+{
+ dev->dev.platform_data = &ath5k_pdata;
+ return 0;
+}
+
+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;
+ int mac_offset;
+ u32 mac_inc = 0;
+ int i;
+ struct mtd_info *the_mtd;
+ size_t flash_readlen;
+ const __be32 *list;
+ 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);
+ }
+
+ 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)) {
+ 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())
+ memcpy(athxk_eeprom_mac, ltq_get_eth_mac(), 6);
+ else {
+ dev_warn(&pdev->dev, "using random mac\n");
+ random_ether_addr(athxk_eeprom_mac);
+ }
+
+ if (!of_property_read_u32(np, "ath,mac-increment", &mac_inc))
+ athxk_eeprom_mac[5] += mac_inc;
+
+ ath5k_pdata.macaddr = athxk_eeprom_mac;
+ ltq_pci_plat_dev_init = ath5k_pci_plat_dev_init;
+
+ dev_info(&pdev->dev, "loaded ath5k eeprom\n");
+
+ return 0;
+}
+
+static struct of_device_id ath5k_eeprom_ids[] = {
+ { .compatible = "ath5k,eeprom" },
+ { }
+};
+
+static struct platform_driver ath5k_eeprom_driver = {
+ .driver = {
+ .name = "ath5k,eeprom",
+ .owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(ath5k_eeprom_ids),
+ },
+};
+
+static int __init of_ath5k_eeprom_init(void)
+{
+ return platform_driver_probe(&ath5k_eeprom_driver, of_ath5k_eeprom_probe);
+}
+device_initcall(of_ath5k_eeprom_init);
Index: linux-3.10.49/arch/mips/lantiq/xway/eth_mac.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.10.49/arch/mips/lantiq/xway/eth_mac.c 2014-07-28 15:42:11.008968725 +0100
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2012 John Crispin <blogic@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/of_platform.h>
+#include <linux/if_ether.h>
+
+static u8 eth_mac[6];
+static int eth_mac_set;
+
+const u8* ltq_get_eth_mac(void)
+{
+ return eth_mac;
+}
+
+static int __init setup_ethaddr(char *str)
+{
+ eth_mac_set = mac_pton(str, eth_mac);
+ return !eth_mac_set;
+}
+__setup("ethaddr=", setup_ethaddr);
+
+int __init of_eth_mac_probe(struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node;
+ struct resource *mac_res;
+ void __iomem *mac;
+ u32 mac_inc = 0;
+
+ if (eth_mac_set) {
+ dev_err(&pdev->dev, "mac was already set by bootloader\n");
+ return -EINVAL;
+ }
+ mac_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+
+ if (!mac_res) {
+ dev_err(&pdev->dev, "failed to load mac\n");
+ return -EINVAL;
+ }
+ 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(eth_mac, mac, 6);
+
+ if (!of_property_read_u32(np, "mac-increment", &mac_inc))
+ eth_mac[5] += mac_inc;
+
+ return 0;
+}
+
+static struct of_device_id eth_mac_ids[] = {
+ { .compatible = "lantiq,eth-mac" },
+ { /* sentinel */ }
+};
+
+static struct platform_driver eth_mac_driver = {
+ .driver = {
+ .name = "lantiq,eth-mac",
+ .owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(eth_mac_ids),
+ },
+};
+
+static int __init of_eth_mac_init(void)
+{
+ return platform_driver_probe(&eth_mac_driver, of_eth_mac_probe);
+}
+device_initcall(of_eth_mac_init);
Index: linux-3.10.49/arch/mips/lantiq/xway/pci-ath-fixup.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.10.49/arch/mips/lantiq/xway/pci-ath-fixup.c 2014-07-28 15:42:11.008968725 +0100
@@ -0,0 +1,109 @@
+/*
+ * Atheros AP94 reference board PCI initialization
+ *
+ * Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <lantiq_soc.h>
+
+#define LTQ_PCI_MEM_BASE 0x18000000
+
+struct ath_fixup {
+ u16 *cal_data;
+ unsigned slot;
+};
+
+static int ath_num_fixups;
+static struct ath_fixup ath_fixups[2];
+
+static void ath_pci_fixup(struct pci_dev *dev)
+{
+ void __iomem *mem;
+ u16 *cal_data = NULL;
+ u16 cmd;
+ u32 bar0;
+ u32 val;
+ unsigned i;
+
+ for (i = 0; i < ath_num_fixups; i++) {
+ if (ath_fixups[i].cal_data == NULL)
+ continue;
+
+ if (ath_fixups[i].slot != PCI_SLOT(dev->devfn))
+ continue;
+
+ cal_data = ath_fixups[i].cal_data;
+ break;
+ }
+
+ if (cal_data == NULL)
+ return;
+
+ if (*cal_data != 0xa55a) {
+ pr_err("pci %s: invalid calibration data\n", pci_name(dev));
+ return;
+ }
+
+ pr_info("pci %s: fixup device configuration\n", pci_name(dev));
+
+ mem = ioremap(LTQ_PCI_MEM_BASE, 0x10000);
+ if (!mem) {
+ pr_err("pci %s: ioremap error\n", pci_name(dev));
+ return;
+ }
+
+ pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &bar0);
+ pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, LTQ_PCI_MEM_BASE);
+ pci_read_config_word(dev, PCI_COMMAND, &cmd);
+ cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
+ pci_write_config_word(dev, PCI_COMMAND, cmd);
+
+ /* set pointer to first reg address */
+ cal_data += 3;
+ while (*cal_data != 0xffff) {
+ u32 reg;
+ reg = *cal_data++;
+ val = *cal_data++;
+ val |= (*cal_data++) << 16;
+
+ ltq_w32(swab32(val), mem + reg);
+ udelay(100);
+ }
+
+ pci_read_config_dword(dev, PCI_VENDOR_ID, &val);
+ dev->vendor = val & 0xffff;
+ dev->device = (val >> 16) & 0xffff;
+
+ pci_read_config_dword(dev, PCI_CLASS_REVISION, &val);
+ dev->revision = val & 0xff;
+ dev->class = val >> 8; /* upper 3 bytes */
+
+ pr_info("pci %s: fixup info: [%04x:%04x] revision %02x class %#08x\n",
+ pci_name(dev), dev->vendor, dev->device, dev->revision, dev->class);
+
+ pci_read_config_word(dev, PCI_COMMAND, &cmd);
+ cmd &= ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
+ pci_write_config_word(dev, PCI_COMMAND, cmd);
+
+ pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, bar0);
+
+ iounmap(mem);
+}
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ATHEROS, PCI_ANY_ID, ath_pci_fixup);
+
+void __init ltq_pci_ath_fixup(unsigned slot, u16 *cal_data)
+{
+ if (ath_num_fixups >= ARRAY_SIZE(ath_fixups))
+ return;
+
+ ath_fixups[ath_num_fixups].slot = slot;
+ ath_fixups[ath_num_fixups].cal_data = cal_data;
+ ath_num_fixups++;
+}
Index: linux-3.10.49/arch/mips/lantiq/xway/rt_eep.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.10.49/arch/mips/lantiq/xway/rt_eep.c 2014-07-28 15:42:11.008968725 +0100
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2011 John Crispin <blogic@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/platform_device.h>
+#include <linux/rt2x00_platform.h>
+
+extern int (*ltq_pci_plat_dev_init)(struct pci_dev *dev);
+static struct rt2x00_platform_data rt2x00_pdata;
+
+static int rt2x00_pci_plat_dev_init(struct pci_dev *dev)
+{
+ dev->dev.platform_data = &rt2x00_pdata;
+ return 0;
+}
+
+int __init of_ralink_eeprom_probe(struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node;
+ const char *eeprom;
+
+ if (of_property_read_string(np, "ralink,eeprom", &eeprom)) {
+ dev_err(&pdev->dev, "failed to load eeprom filename\n");
+ return 0;
+ }
+
+ rt2x00_pdata.eeprom_file_name = kstrdup(eeprom, GFP_KERNEL);
+// rt2x00_pdata.mac_address = mac;
+ ltq_pci_plat_dev_init = rt2x00_pci_plat_dev_init;
+
+ dev_info(&pdev->dev, "using %s as eeprom\n", eeprom);
+
+ return 0;
+}
+
+static struct of_device_id ralink_eeprom_ids[] = {
+ { .compatible = "ralink,eeprom" },
+ { }
+};
+
+static struct platform_driver ralink_eeprom_driver = {
+ .driver = {
+ .name = "ralink,eeprom",
+ .owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(ralink_eeprom_ids),
+ },
+};
+
+static int __init of_ralink_eeprom_init(void)
+{
+ return platform_driver_probe(&ralink_eeprom_driver, of_ralink_eeprom_probe);
+}
+device_initcall(of_ralink_eeprom_init);
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