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
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.
*
* words - number of words to read
*****************************************************************************/
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;
* EEPROM will most likely contain an invalid checksum.
*****************************************************************************/
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;
* returns: - E1000_ERR_XXX
* E1000_SUCCESS
*
- * For phy's older then IGP, this function simply reads the polarity bit in the
+ * For phy's older than IGP, this function simply reads the polarity bit in the
* Phy Status register. For IGP phy's, this bit is valid only if link speed is
* 10 Mbps. If the link speed is 100 Mbps there is no polarity so this bit will
* return 0. If the link speed is 1000 Mbps the polarity status is in the
* returns: - E1000_ERR_XXX
* E1000_SUCCESS
*
- * For phy's older then IGP, this function reads the Downshift bit in the Phy
+ * For phy's older than IGP, this function reads the Downshift bit in the Phy
* Specific Status register. For IGP phy's, it reads the Downgrade bit in the
* Link Health register. In IGP this bit is latched high, so the driver must
* read it immediately after link is established.