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-rw-r--r--package/kernel/mac80211/patches/328-ath9k-parse-the-device-configuration-from-an-OF-node.patch85
1 files changed, 85 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/328-ath9k-parse-the-device-configuration-from-an-OF-node.patch b/package/kernel/mac80211/patches/328-ath9k-parse-the-device-configuration-from-an-OF-node.patch
new file mode 100644
index 0000000000..b260858d45
--- /dev/null
+++ b/package/kernel/mac80211/patches/328-ath9k-parse-the-device-configuration-from-an-OF-node.patch
@@ -0,0 +1,85 @@
+From cea03be5a848823cb8052e2e7b93cb2249d5f60c Mon Sep 17 00:00:00 2001
+From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
+Date: Sun, 16 Oct 2016 22:59:07 +0200
+Subject: [PATCH 3/3] ath9k: parse the device configuration from an OF node
+
+This allows setting the MAC address and specifying that the firmware
+will be requested from userspace (because there might not be a hardware
+EEPROM connected to the chip) for ath9k based PCI devices using
+the device tree.
+
+There is some out-of-tree code to "convert devicetree to
+ath9k_platform_data" (for example in OpenWrt and LEDE) which becomes
+obsolete with this patch.
+
+Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
+Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
+---
+ drivers/net/wireless/ath/ath9k/init.c | 42 +++++++++++++++++++++++++++++++++++
+ 1 file changed, 42 insertions(+)
+
+--- a/drivers/net/wireless/ath/ath9k/init.c
++++ b/drivers/net/wireless/ath/ath9k/init.c
+@@ -20,6 +20,8 @@
+ #include <linux/slab.h>
+ #include <linux/ath9k_platform.h>
+ #include <linux/module.h>
++#include <linux/of.h>
++#include <linux/of_net.h>
+ #include <linux/relay.h>
+ #include <net/ieee80211_radiotap.h>
+
+@@ -554,6 +556,42 @@ static int ath9k_init_platform(struct at
+ return 0;
+ }
+
++static int ath9k_of_init(struct ath_softc *sc)
++{
++ struct device_node *np = sc->dev->of_node;
++ struct ath_hw *ah = sc->sc_ah;
++ struct ath_common *common = ath9k_hw_common(ah);
++ enum ath_bus_type bus_type = common->bus_ops->ath_bus_type;
++ const char *mac;
++ char eeprom_name[100];
++ int ret;
++
++ if (!of_device_is_available(np))
++ return 0;
++
++ ath_dbg(common, CONFIG, "parsing configuration from OF node\n");
++
++ if (of_property_read_bool(np, "qca,no-eeprom")) {
++ /* ath9k-eeprom-<bus>-<id>.bin */
++ scnprintf(eeprom_name, sizeof(eeprom_name),
++ "ath9k-eeprom-%s-%s.bin",
++ ath_bus_type_to_string(bus_type), dev_name(ah->dev));
++
++ ret = ath9k_eeprom_request(sc, eeprom_name);
++ if (ret)
++ return ret;
++ }
++
++ mac = of_get_mac_address(np);
++ if (mac)
++ ether_addr_copy(common->macaddr, mac);
++
++ ah->ah_flags &= ~AH_USE_EEPROM;
++ ah->ah_flags |= AH_NO_EEP_SWAP;
++
++ return 0;
++}
++
+ static int ath9k_init_softc(u16 devid, struct ath_softc *sc,
+ const struct ath_bus_ops *bus_ops)
+ {
+@@ -610,6 +648,10 @@ static int ath9k_init_softc(u16 devid, s
+ if (ret)
+ return ret;
+
++ ret = ath9k_of_init(sc);
++ if (ret)
++ return ret;
++
+ if (ath9k_led_active_high != -1)
+ ah->config.led_active_high = ath9k_led_active_high == 1;
+