diff options
author | David S. Miller <davem@davemloft.net> | 2008-10-01 06:12:56 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2008-10-01 06:12:56 -0700 |
commit | b262e60309e1b0eb25d300c7e739427d5316abb1 (patch) | |
tree | bf319d78c79bb5cb617ff0c8340c73aa349bba15 /drivers/net/e1000 | |
parent | 93c8b90f01f0dc73891da4e84b26524b61d29d66 (diff) | |
parent | 0523820482dcb42784572ffd2296c2f08c275a2b (diff) |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/wireless/ath9k/core.c
drivers/net/wireless/ath9k/main.c
net/core/dev.c
Diffstat (limited to 'drivers/net/e1000')
-rw-r--r-- | drivers/net/e1000/e1000_hw.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c index 9d6edf3e73f..d04eef53571 100644 --- a/drivers/net/e1000/e1000_hw.c +++ b/drivers/net/e1000/e1000_hw.c @@ -144,6 +144,8 @@ static s32 e1000_host_if_read_cookie(struct e1000_hw *hw, u8 *buffer); static u8 e1000_calculate_mng_checksum(char *buffer, u32 length); static s32 e1000_configure_kmrn_for_10_100(struct e1000_hw *hw, u16 duplex); static s32 e1000_configure_kmrn_for_1000(struct e1000_hw *hw); +static s32 e1000_do_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data); +static s32 e1000_do_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data); /* IGP cable length table */ static const @@ -168,6 +170,8 @@ u16 e1000_igp_2_cable_length_table[IGP02E1000_AGC_LENGTH_TABLE_SIZE] = 83, 89, 95, 100, 105, 109, 113, 116, 119, 122, 124, 104, 109, 114, 118, 121, 124}; +static DEFINE_SPINLOCK(e1000_eeprom_lock); + /****************************************************************************** * Set the phy type member in the hw struct. * @@ -4904,6 +4908,15 @@ static s32 e1000_spi_eeprom_ready(struct e1000_hw *hw) *****************************************************************************/ s32 e1000_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data) { + s32 ret; + spin_lock(&e1000_eeprom_lock); + ret = e1000_do_read_eeprom(hw, offset, words, data); + spin_unlock(&e1000_eeprom_lock); + return ret; +} + +static s32 e1000_do_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data) +{ struct e1000_eeprom_info *eeprom = &hw->eeprom; u32 i = 0; @@ -5236,6 +5249,16 @@ s32 e1000_update_eeprom_checksum(struct e1000_hw *hw) *****************************************************************************/ s32 e1000_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data) { + s32 ret; + spin_lock(&e1000_eeprom_lock); + ret = e1000_do_write_eeprom(hw, offset, words, data); + spin_unlock(&e1000_eeprom_lock); + return ret; +} + + +static s32 e1000_do_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data) +{ struct e1000_eeprom_info *eeprom = &hw->eeprom; s32 status = 0; |