mirror of
https://github.com/team-infusion-developers/android_kernel_samsung_msm8976.git
synced 2024-09-22 12:24:38 +00:00
e1000: drop unused functionality for eeprom write/read
eerd and eewr don't exist on pre PCIe devices Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
120a5d0d58
commit
8f601b2d56
2 changed files with 3 additions and 120 deletions
|
@ -49,11 +49,6 @@ static s32 e1000_id_led_init(struct e1000_hw *hw);
|
|||
static void e1000_init_rx_addrs(struct e1000_hw *hw);
|
||||
static s32 e1000_phy_igp_get_info(struct e1000_hw *hw,
|
||||
struct e1000_phy_info *phy_info);
|
||||
static s32 e1000_read_eeprom_eerd(struct e1000_hw *hw, u16 offset, u16 words,
|
||||
u16 *data);
|
||||
static s32 e1000_write_eeprom_eewr(struct e1000_hw *hw, u16 offset, u16 words,
|
||||
u16 *data);
|
||||
static s32 e1000_poll_eerd_eewr_done(struct e1000_hw *hw, int eerd);
|
||||
static s32 e1000_phy_m88_get_info(struct e1000_hw *hw,
|
||||
struct e1000_phy_info *phy_info);
|
||||
static s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active);
|
||||
|
@ -3339,8 +3334,6 @@ s32 e1000_init_eeprom_params(struct e1000_hw *hw)
|
|||
eeprom->opcode_bits = 3;
|
||||
eeprom->address_bits = 6;
|
||||
eeprom->delay_usec = 50;
|
||||
eeprom->use_eerd = false;
|
||||
eeprom->use_eewr = false;
|
||||
break;
|
||||
case e1000_82540:
|
||||
case e1000_82545:
|
||||
|
@ -3357,8 +3350,6 @@ s32 e1000_init_eeprom_params(struct e1000_hw *hw)
|
|||
eeprom->word_size = 64;
|
||||
eeprom->address_bits = 6;
|
||||
}
|
||||
eeprom->use_eerd = false;
|
||||
eeprom->use_eewr = false;
|
||||
break;
|
||||
case e1000_82541:
|
||||
case e1000_82541_rev_2:
|
||||
|
@ -3387,8 +3378,6 @@ s32 e1000_init_eeprom_params(struct e1000_hw *hw)
|
|||
eeprom->address_bits = 6;
|
||||
}
|
||||
}
|
||||
eeprom->use_eerd = false;
|
||||
eeprom->use_eewr = false;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
|
@ -3773,15 +3762,9 @@ static s32 e1000_do_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
|
|||
* directly. In this case, we need to acquire the EEPROM so that
|
||||
* FW or other port software does not interrupt.
|
||||
*/
|
||||
if (!hw->eeprom.use_eerd) {
|
||||
/* Prepare the EEPROM for bit-bang reading */
|
||||
if (e1000_acquire_eeprom(hw) != E1000_SUCCESS)
|
||||
return -E1000_ERR_EEPROM;
|
||||
}
|
||||
|
||||
/* Eerd register EEPROM access requires no eeprom aquire/release */
|
||||
if (eeprom->use_eerd)
|
||||
return e1000_read_eeprom_eerd(hw, offset, words, data);
|
||||
/* Prepare the EEPROM for bit-bang reading */
|
||||
if (e1000_acquire_eeprom(hw) != E1000_SUCCESS)
|
||||
return -E1000_ERR_EEPROM;
|
||||
|
||||
/* Set up the SPI or Microwire EEPROM for bit-bang reading. We have
|
||||
* acquired the EEPROM at this point, so any returns should release it */
|
||||
|
@ -3836,101 +3819,6 @@ static s32 e1000_do_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
|
|||
return E1000_SUCCESS;
|
||||
}
|
||||
|
||||
/**
|
||||
* Reads a 16 bit word from the EEPROM using the EERD register.
|
||||
*
|
||||
* @hw: Struct containing variables accessed by shared code
|
||||
* offset - offset of word in the EEPROM to read
|
||||
* data - word read from the EEPROM
|
||||
* words - number of words to read
|
||||
*/
|
||||
static s32 e1000_read_eeprom_eerd(struct e1000_hw *hw, u16 offset, u16 words,
|
||||
u16 *data)
|
||||
{
|
||||
u32 i, eerd = 0;
|
||||
s32 error = 0;
|
||||
|
||||
for (i = 0; i < words; i++) {
|
||||
eerd = ((offset + i) << E1000_EEPROM_RW_ADDR_SHIFT) +
|
||||
E1000_EEPROM_RW_REG_START;
|
||||
|
||||
ew32(EERD, eerd);
|
||||
error = e1000_poll_eerd_eewr_done(hw, E1000_EEPROM_POLL_READ);
|
||||
|
||||
if (error) {
|
||||
break;
|
||||
}
|
||||
data[i] = (er32(EERD) >> E1000_EEPROM_RW_REG_DATA);
|
||||
|
||||
}
|
||||
|
||||
return error;
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes a 16 bit word from the EEPROM using the EEWR register.
|
||||
*
|
||||
* @hw: Struct containing variables accessed by shared code
|
||||
* offset - offset of word in the EEPROM to read
|
||||
* data - word read from the EEPROM
|
||||
* words - number of words to read
|
||||
*/
|
||||
static s32 e1000_write_eeprom_eewr(struct e1000_hw *hw, u16 offset, u16 words,
|
||||
u16 *data)
|
||||
{
|
||||
u32 register_value = 0;
|
||||
u32 i = 0;
|
||||
s32 error = 0;
|
||||
|
||||
for (i = 0; i < words; i++) {
|
||||
register_value = (data[i] << E1000_EEPROM_RW_REG_DATA) |
|
||||
((offset + i) << E1000_EEPROM_RW_ADDR_SHIFT) |
|
||||
E1000_EEPROM_RW_REG_START;
|
||||
|
||||
error = e1000_poll_eerd_eewr_done(hw, E1000_EEPROM_POLL_WRITE);
|
||||
if (error) {
|
||||
break;
|
||||
}
|
||||
|
||||
ew32(EEWR, register_value);
|
||||
|
||||
error = e1000_poll_eerd_eewr_done(hw, E1000_EEPROM_POLL_WRITE);
|
||||
|
||||
if (error) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return error;
|
||||
}
|
||||
|
||||
/**
|
||||
* Polls the status bit (bit 1) of the EERD to determine when the read is done.
|
||||
*
|
||||
* @hw: Struct containing variables accessed by shared code
|
||||
*/
|
||||
static s32 e1000_poll_eerd_eewr_done(struct e1000_hw *hw, int eerd)
|
||||
{
|
||||
u32 attempts = 100000;
|
||||
u32 i, reg = 0;
|
||||
s32 done = E1000_ERR_EEPROM;
|
||||
|
||||
for (i = 0; i < attempts; i++) {
|
||||
if (eerd == E1000_EEPROM_POLL_READ)
|
||||
reg = er32(EERD);
|
||||
else
|
||||
reg = er32(EEWR);
|
||||
|
||||
if (reg & E1000_EEPROM_RW_REG_DONE) {
|
||||
done = E1000_SUCCESS;
|
||||
break;
|
||||
}
|
||||
udelay(5);
|
||||
}
|
||||
|
||||
return done;
|
||||
}
|
||||
|
||||
/**
|
||||
* e1000_validate_eeprom_checksum - Verifies that the EEPROM has a valid checksum
|
||||
* @hw: Struct containing variables accessed by shared code
|
||||
|
@ -4031,9 +3919,6 @@ static s32 e1000_do_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
|
|||
return -E1000_ERR_EEPROM;
|
||||
}
|
||||
|
||||
if (eeprom->use_eewr)
|
||||
return e1000_write_eeprom_eewr(hw, offset, words, data);
|
||||
|
||||
/* Prepare the EEPROM for writing */
|
||||
if (e1000_acquire_eeprom(hw) != E1000_SUCCESS)
|
||||
return -E1000_ERR_EEPROM;
|
||||
|
|
|
@ -256,8 +256,6 @@ struct e1000_eeprom_info {
|
|||
u16 address_bits;
|
||||
u16 delay_usec;
|
||||
u16 page_size;
|
||||
bool use_eerd;
|
||||
bool use_eewr;
|
||||
};
|
||||
|
||||
/* Flex ASF Information */
|
||||
|
|
Loading…
Reference in a new issue