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authorMathias Kresin <dev@kresin.me>2016-08-23 21:14:36 +0200
committerMathias Kresin <dev@kresin.me>2016-08-24 19:30:52 +0200
commit6fdc527793728538ce150295ed3b3fcaf1a529ab (patch)
treee40abe5e8d984ded88e905439df00a0fb30e3027
parent66f3edfd8baaf92133df251656118e70edcd59b9 (diff)
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lantiq: fix ath5k EEPROM loading
With 12fe4b579801ea812b64fc7e689716cd39c895ec I switched the ath5k eeprom extraction to an alternate code path. Unfortunately this code seams to be broken since ages and broke the ath5k EEPROM extraction. Reported-by: Mohammed Berdai <mohammed.berdai@gmail.com> Signed-off-by: Mathias Kresin <dev@kresin.me> Acked-by: John Crispin <john@phrozen.org>
-rw-r--r--target/linux/lantiq/patches-4.4/0035-owrt-lantiq-wifi-and-ethernet-eeprom-handling.patch36
1 files changed, 27 insertions, 9 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 7a97815b54..6f5e0d49a9 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 +1,281 @@
+@@ -0,0 +1,299 @@
+/*
+ * Copyright (C) 2011 Luca Olivetti <luca@ventoso.org>
+ * Copyright (C) 2011 John Crispin <blogic@openwrt.org>
@@ -247,6 +247,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ return 0;
+}
+
++static int ath5k_eep_load;
+int __init of_ath5k_eeprom_probe(struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node, *mtd_np = NULL;
@@ -278,13 +279,19 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ if (IS_ERR(the_mtd))
+ return -ENODEV;
+
++ ath5k_pdata.eeprom_data = kmalloc(ATH5K_PLAT_EEP_MAX_WORDS<<1, GFP_KERNEL);
++
+ i = mtd_read(the_mtd, be32_to_cpup(list), ATH5K_PLAT_EEP_MAX_WORDS << 1,
-+ &flash_readlen, (void *) ath5k_pdata.eeprom_data);
++ &flash_readlen, (void *) ath5k_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(ATH5K_PLAT_EEP_MAX_WORDS << 1) != flash_readlen)
-+ || i) {
++ if (((ATH5K_PLAT_EEP_MAX_WORDS<<1) != flash_readlen) || i) {
+ dev_err(&pdev->dev, "failed to load eeprom from mtd\n");
+ return -ENODEV;
+ }
@@ -293,11 +300,8 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ 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);
-+
+ if (!is_valid_ether_addr(athxk_eeprom_mac) && ltq_get_eth_mac())
-+ memcpy(athxk_eeprom_mac, ltq_get_eth_mac(), 6);
++ ether_addr_copy(athxk_eeprom_mac, ltq_get_eth_mac());
+
+ if (!is_valid_ether_addr(athxk_eeprom_mac)) {
+ dev_warn(&pdev->dev, "using random mac\n");
@@ -330,9 +334,23 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+
+static int __init of_ath5k_eeprom_init(void)
+{
++ int ret = platform_driver_probe(&ath5k_eeprom_driver, of_ath5k_eeprom_probe);
++
++ if (ret)
++ ath5k_eep_load = 1;
++
++ return ret;
++}
++
++static int __init of_ath5k_eeprom_init_late(void)
++{
++ if (!ath5k_eep_load)
++ return 0;
++
+ return platform_driver_probe(&ath5k_eeprom_driver, of_ath5k_eeprom_probe);
+}
-+device_initcall(of_ath5k_eeprom_init);
++late_initcall(of_ath5k_eeprom_init_late);
++subsys_initcall(of_ath5k_eeprom_init);
--- /dev/null
+++ b/arch/mips/lantiq/xway/eth_mac.c
@@ -0,0 +1,25 @@