commit ad417a533a5bddedbf6b64c12cc26af7c80866f8
author Gertjan van Wingerde <gwingerde@gmail.com> Mon Sep 03 03:25:51 2012 +0200
committer John W. Linville <linville@tuxdriver.com> Fri Sep 07 15:08:40 2012 -0400
tree 2cdb9a20ade6b59e2ce5cbadf2221483240918af
parent 99bdf51a6892e7fdff8d879890f075b3bf51d4ef

rt2x00: rt2800 - Make probe_hw function common between PCI and USB.

Refactor the probe_hw code so that more code can be shared between
rt2800pci and rt2800usb.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/rt2x00/rt2800lib.c

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 58fc1d9..a04e222 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -4392,7 +4392,7 @@
 }
 EXPORT_SYMBOL_GPL(rt2800_read_eeprom_efuse);
 
-int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
+static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 {
 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
 	u16 word;
@@ -4400,6 +4400,11 @@
 	u8 default_lna_gain;
 
 	/*
+	 * Read the EEPROM.
+	 */
+	rt2800_read_eeprom(rt2x00dev);
+
+	/*
 	 * Start validation of the data that has been read.
 	 */
 	mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
@@ -4521,9 +4526,8 @@
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(rt2800_validate_eeprom);
 
-int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
+static int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
 {
 	u32 reg;
 	u16 value;
@@ -4681,7 +4685,6 @@
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(rt2800_init_eeprom);
 
 /*
  * RF value list for rt28xx
@@ -4824,7 +4827,7 @@
 	{173, 0x61, 0, 9},
 };
 
-int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
+static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 {
 	struct hw_mode_spec *spec = &rt2x00dev->spec;
 	struct channel_info *info;
@@ -5000,7 +5003,72 @@
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(rt2800_probe_hw_mode);
+
+int rt2800_probe_hw(struct rt2x00_dev *rt2x00dev)
+{
+	int retval;
+	u32 reg;
+
+	/*
+	 * Allocate eeprom data.
+	 */
+	retval = rt2800_validate_eeprom(rt2x00dev);
+	if (retval)
+		return retval;
+
+	retval = rt2800_init_eeprom(rt2x00dev);
+	if (retval)
+		return retval;
+
+	/*
+	 * Enable rfkill polling by setting GPIO direction of the
+	 * rfkill switch GPIO pin correctly.
+	 */
+	rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
+	rt2x00_set_field32(&reg, GPIO_CTRL_DIR2, 1);
+	rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
+
+	/*
+	 * Initialize hw specifications.
+	 */
+	retval = rt2800_probe_hw_mode(rt2x00dev);
+	if (retval)
+		return retval;
+
+	/*
+	 * Set device capabilities.
+	 */
+	__set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags);
+	__set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags);
+	if (!rt2x00_is_usb(rt2x00dev))
+		__set_bit(CAPABILITY_PRE_TBTT_INTERRUPT, &rt2x00dev->cap_flags);
+
+	/*
+	 * Set device requirements.
+	 */
+	if (!rt2x00_is_soc(rt2x00dev))
+		__set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
+	__set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags);
+	__set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
+	if (!rt2800_hwcrypt_disabled(rt2x00dev))
+		__set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
+	__set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
+	__set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags);
+	if (rt2x00_is_usb(rt2x00dev))
+		__set_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags);
+	else {
+		__set_bit(REQUIRE_DMA, &rt2x00dev->cap_flags);
+		__set_bit(REQUIRE_TASKLET_CONTEXT, &rt2x00dev->cap_flags);
+	}
+
+	/*
+	 * Set the rssi offset.
+	 */
+	rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(rt2800_probe_hw);
 
 /*
  * IEEE80211 stack callback functions.