diff options
| author | Stanislav Yakovlev <stas.yakovlev@gmail.com> | 2012-05-17 19:56:35 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-06-05 21:15:49 (GMT) |
| commit | fdbfff73408f99799724f583cbc2a0ce3263c6a7 (patch) | |
| tree | dfe660b5e2a6bd0ccc5126cc1bae2beedfb8bf3f /drivers | |
| parent | 605b73af3273336b2465962d99a937069710e104 (diff) | |
| download | linux-fdbfff73408f99799724f583cbc2a0ce3263c6a7.tar.xz | |
net/wireless: ipw2200: introduce ipw_read_eeprom function
We separate reading of device's eeprom content from writing it back
to the device's sram.
Signed-off-by: Stanislav Yakovlev <stas.yakovlev@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/ipw2x00/ipw2200.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c index 0036737..254b892 100644 --- a/drivers/net/wireless/ipw2x00/ipw2200.c +++ b/drivers/net/wireless/ipw2x00/ipw2200.c @@ -2701,6 +2701,20 @@ static void eeprom_parse_mac(struct ipw_priv *priv, u8 * mac) memcpy(mac, &priv->eeprom[EEPROM_MAC_ADDRESS], 6); } +static void ipw_read_eeprom(struct ipw_priv *priv) +{ + int i; + __le16 *eeprom = (__le16 *) priv->eeprom; + + IPW_DEBUG_TRACE(">>\n"); + + /* read entire contents of eeprom into private buffer */ + for (i = 0; i < 128; i++) + eeprom[i] = cpu_to_le16(eeprom_read_u16(priv, (u8) i)); + + IPW_DEBUG_TRACE("<<\n"); +} + /* * Either the device driver (i.e. the host) or the firmware can * load eeprom data into the designated region in SRAM. If neither @@ -2712,14 +2726,9 @@ static void eeprom_parse_mac(struct ipw_priv *priv, u8 * mac) static void ipw_eeprom_init_sram(struct ipw_priv *priv) { int i; - __le16 *eeprom = (__le16 *) priv->eeprom; IPW_DEBUG_TRACE(">>\n"); - /* read entire contents of eeprom into private buffer */ - for (i = 0; i < 128; i++) - eeprom[i] = cpu_to_le16(eeprom_read_u16(priv, (u8) i)); - /* If the data looks correct, then copy it to our private copy. Otherwise let the firmware know to perform the operation @@ -3643,8 +3652,10 @@ static int ipw_load(struct ipw_priv *priv) /* ack fw init done interrupt */ ipw_write32(priv, IPW_INTA_RW, IPW_INTA_BIT_FW_INITIALIZATION_DONE); - /* read eeprom data and initialize the eeprom region of sram */ + /* read eeprom data */ priv->eeprom_delay = 1; + ipw_read_eeprom(priv); + /* initialize the eeprom region of sram */ ipw_eeprom_init_sram(priv); /* enable interrupts */ |