1 files changed, 37 insertions, 10 deletions

diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
index 60c2a12e9d5e..65d0f805459c 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -24,6 +24,7 @@
 #include <linux/crc-ccitt.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/nvmem-consumer.h>
 #include <linux/slab.h>
 
 #include "rt2x00.h"
@@ -639,7 +640,7 @@ static bool rt2800_check_firmware_crc(const u8 *data, const size_t len)
 	/*
 	 * Use the crc ccitt algorithm.
 	 * This will return the same value as the legacy driver which
-	 * used bit ordering reversion on the both the firmware bytes
+	 * used bit ordering reversion on both the firmware bytes
 	 * before input input as well as on the final output.
 	 * Obviously using crc ccitt directly is much more efficient.
 	 */
@@ -8882,13 +8883,10 @@ static void rt2800_rxiq_calibration(struct rt2x00_dev *rt2x00dev)
 
 	for (ch_idx = 0; ch_idx < 2; ch_idx = ch_idx + 1) {
 		if (ch_idx == 0) {
-			rfval = rfb0r1 & (~0x3);
 			rfval = rfb0r1 | 0x1;
 			rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, rfval);
-			rfval = rfb0r2 & (~0x33);
 			rfval = rfb0r2 | 0x11;
 			rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, rfval);
-			rfval = rfb0r42 & (~0x50);
 			rfval = rfb0r42 | 0x10;
 			rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, rfval);
 
@@ -8901,13 +8899,10 @@ static void rt2800_rxiq_calibration(struct rt2x00_dev *rt2x00dev)
 
 			rt2800_bbp_dcoc_write(rt2x00dev, 1, 0x00);
 		} else {
-			rfval = rfb0r1 & (~0x3);
 			rfval = rfb0r1 | 0x2;
 			rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, rfval);
-			rfval = rfb0r2 & (~0x33);
 			rfval = rfb0r2 | 0x22;
 			rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, rfval);
-			rfval = rfb0r42 & (~0x50);
 			rfval = rfb0r42 | 0x40;
 			rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, rfval);
 
@@ -9399,7 +9394,7 @@ static void rt2800_loft_search(struct rt2x00_dev *rt2x00dev, u8 ch_idx,
 				   p0, p1, pf, idx0, idx1, ibit);
 
 			if (bidx != 5 && pf <= p0 && pf < p1) {
-				idxf[iorq] = idxf[iorq];
+				/* no need to adjust idxf[] */;
 			} else if (p0 < p1) {
 				pf = p0;
 				idxf[iorq] = idx0 & 0x3F;
@@ -10968,6 +10963,36 @@ int rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
 }
 EXPORT_SYMBOL_GPL(rt2800_read_eeprom_efuse);
 
+int rt2800_read_eeprom_nvmem(struct rt2x00_dev *rt2x00dev)
+{
+	struct device_node *np = rt2x00dev->dev->of_node;
+	unsigned int len = rt2x00dev->ops->eeprom_size;
+	struct nvmem_cell *cell;
+	const void *data;
+	size_t retlen;
+
+	cell = of_nvmem_cell_get(np, "eeprom");
+	if (IS_ERR(cell))
+		return PTR_ERR(cell);
+
+	data = nvmem_cell_read(cell, &retlen);
+	nvmem_cell_put(cell);
+
+	if (IS_ERR(data))
+		return PTR_ERR(data);
+
+	if (retlen != len) {
+		dev_err(rt2x00dev->dev, "invalid eeprom size, required: 0x%04x\n", len);
+		kfree(data);
+		return -EINVAL;
+	}
+
+	memcpy(rt2x00dev->eeprom, data, len);
+	kfree(data);
+	return 0;
+}
+EXPORT_SYMBOL_GPL(rt2800_read_eeprom_nvmem);
+
 static u8 rt2800_get_txmixer_gain_24g(struct rt2x00_dev *rt2x00dev)
 {
 	u16 word;
@@ -11017,7 +11042,9 @@ static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 	 * Start validation of the data that has been read.
 	 */
 	mac = rt2800_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
-	rt2x00lib_set_mac_address(rt2x00dev, mac);
+	retval = rt2x00lib_set_mac_address(rt2x00dev, mac);
+	if (retval)
+		return retval;
 
 	word = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0);
 	if (word == 0xffff) {
@@ -12106,7 +12133,7 @@ void rt2800_get_key_seq(struct ieee80211_hw *hw,
 }
 EXPORT_SYMBOL_GPL(rt2800_get_key_seq);
 
-int rt2800_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
+int rt2800_set_rts_threshold(struct ieee80211_hw *hw, int radio_idx, u32 value)
 {
 	struct rt2x00_dev *rt2x00dev = hw->priv;
 	u32 reg;