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path: root/drivers/net/wireless/iwlwifi/iwl-eeprom.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-eeprom.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-eeprom.c65
1 files changed, 31 insertions, 34 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
index e27d9f55267b..d1fd1cdb29c2 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
@@ -156,16 +156,16 @@ static int iwl_eeprom_acquire_semaphore(struct iwl_bus *bus)
for (count = 0; count < EEPROM_SEM_RETRY_LIMIT; count++) {
/* Request semaphore */
- iwl_set_bit(bus, CSR_HW_IF_CONFIG_REG,
+ iwl_set_bit(trans(bus), CSR_HW_IF_CONFIG_REG,
CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM);
/* See if we got it */
- ret = iwl_poll_bit(bus, CSR_HW_IF_CONFIG_REG,
+ ret = iwl_poll_bit(trans(bus), CSR_HW_IF_CONFIG_REG,
CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM,
CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM,
EEPROM_SEM_TIMEOUT);
if (ret >= 0) {
- IWL_DEBUG_EEPROM(bus,
+ IWL_DEBUG_EEPROM(trans(bus),
"Acquired semaphore after %d tries.\n",
count+1);
return ret;
@@ -177,14 +177,15 @@ static int iwl_eeprom_acquire_semaphore(struct iwl_bus *bus)
static void iwl_eeprom_release_semaphore(struct iwl_bus *bus)
{
- iwl_clear_bit(bus, CSR_HW_IF_CONFIG_REG,
+ iwl_clear_bit(trans(bus), CSR_HW_IF_CONFIG_REG,
CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM);
}
static int iwl_eeprom_verify_signature(struct iwl_trans *trans)
{
- u32 gp = iwl_read32(bus(trans), CSR_EEPROM_GP) & CSR_EEPROM_GP_VALID_MSK;
+ u32 gp = iwl_read32(trans, CSR_EEPROM_GP) &
+ CSR_EEPROM_GP_VALID_MSK;
int ret = 0;
IWL_DEBUG_EEPROM(trans, "EEPROM signature=0x%08x\n", gp);
@@ -305,13 +306,13 @@ void iwl_eeprom_get_mac(const struct iwl_shared *shrd, u8 *mac)
static void iwl_set_otp_access(struct iwl_bus *bus, enum iwl_access_mode mode)
{
- iwl_read32(bus, CSR_OTP_GP_REG);
+ iwl_read32(trans(bus), CSR_OTP_GP_REG);
if (mode == IWL_OTP_ACCESS_ABSOLUTE)
- iwl_clear_bit(bus, CSR_OTP_GP_REG,
+ iwl_clear_bit(trans(bus), CSR_OTP_GP_REG,
CSR_OTP_GP_REG_OTP_ACCESS_MODE);
else
- iwl_set_bit(bus, CSR_OTP_GP_REG,
+ iwl_set_bit(trans(bus), CSR_OTP_GP_REG,
CSR_OTP_GP_REG_OTP_ACCESS_MODE);
}
@@ -332,7 +333,7 @@ static int iwl_get_nvm_type(struct iwl_bus *bus, u32 hw_rev)
nvm_type = NVM_DEVICE_TYPE_EEPROM;
break;
default:
- otpgp = iwl_read32(bus, CSR_OTP_GP_REG);
+ otpgp = iwl_read32(trans(bus), CSR_OTP_GP_REG);
if (otpgp & CSR_OTP_GP_REG_DEVICE_SELECT)
nvm_type = NVM_DEVICE_TYPE_OTP;
else
@@ -347,22 +348,22 @@ static int iwl_init_otp_access(struct iwl_bus *bus)
int ret;
/* Enable 40MHz radio clock */
- iwl_write32(bus, CSR_GP_CNTRL,
- iwl_read32(bus, CSR_GP_CNTRL) |
+ iwl_write32(trans(bus), CSR_GP_CNTRL,
+ iwl_read32(trans(bus), CSR_GP_CNTRL) |
CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
/* wait for clock to be ready */
- ret = iwl_poll_bit(bus, CSR_GP_CNTRL,
+ ret = iwl_poll_bit(trans(bus), CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
25000);
if (ret < 0)
IWL_ERR(bus, "Time out access OTP\n");
else {
- iwl_set_bits_prph(bus, APMG_PS_CTRL_REG,
+ iwl_set_bits_prph(trans(bus), APMG_PS_CTRL_REG,
APMG_PS_CTRL_VAL_RESET_REQ);
udelay(5);
- iwl_clear_bits_prph(bus, APMG_PS_CTRL_REG,
+ iwl_clear_bits_prph(trans(bus), APMG_PS_CTRL_REG,
APMG_PS_CTRL_VAL_RESET_REQ);
/*
@@ -370,7 +371,7 @@ static int iwl_init_otp_access(struct iwl_bus *bus)
* this is only applicable for HW with OTP shadow RAM
*/
if (cfg(bus)->base_params->shadow_ram_support)
- iwl_set_bit(bus, CSR_DBG_LINK_PWR_MGMT_REG,
+ iwl_set_bit(trans(bus), CSR_DBG_LINK_PWR_MGMT_REG,
CSR_RESET_LINK_PWR_MGMT_DISABLED);
}
return ret;
@@ -382,9 +383,9 @@ static int iwl_read_otp_word(struct iwl_bus *bus, u16 addr, __le16 *eeprom_data)
u32 r;
u32 otpgp;
- iwl_write32(bus, CSR_EEPROM_REG,
+ iwl_write32(trans(bus), CSR_EEPROM_REG,
CSR_EEPROM_REG_MSK_ADDR & (addr << 1));
- ret = iwl_poll_bit(bus, CSR_EEPROM_REG,
+ ret = iwl_poll_bit(trans(bus), CSR_EEPROM_REG,
CSR_EEPROM_REG_READ_VALID_MSK,
CSR_EEPROM_REG_READ_VALID_MSK,
IWL_EEPROM_ACCESS_TIMEOUT);
@@ -392,13 +393,13 @@ static int iwl_read_otp_word(struct iwl_bus *bus, u16 addr, __le16 *eeprom_data)
IWL_ERR(bus, "Time out reading OTP[%d]\n", addr);
return ret;
}
- r = iwl_read32(bus, CSR_EEPROM_REG);
+ r = iwl_read32(trans(bus), CSR_EEPROM_REG);
/* check for ECC errors: */
- otpgp = iwl_read32(bus, CSR_OTP_GP_REG);
+ otpgp = iwl_read32(trans(bus), CSR_OTP_GP_REG);
if (otpgp & CSR_OTP_GP_REG_ECC_UNCORR_STATUS_MSK) {
/* stop in this case */
/* set the uncorrectable OTP ECC bit for acknowledgement */
- iwl_set_bit(bus, CSR_OTP_GP_REG,
+ iwl_set_bit(trans(bus), CSR_OTP_GP_REG,
CSR_OTP_GP_REG_ECC_UNCORR_STATUS_MSK);
IWL_ERR(bus, "Uncorrectable OTP ECC error, abort OTP read\n");
return -EINVAL;
@@ -406,7 +407,7 @@ static int iwl_read_otp_word(struct iwl_bus *bus, u16 addr, __le16 *eeprom_data)
if (otpgp & CSR_OTP_GP_REG_ECC_CORR_STATUS_MSK) {
/* continue in this case */
/* set the correctable OTP ECC bit for acknowledgement */
- iwl_set_bit(bus, CSR_OTP_GP_REG,
+ iwl_set_bit(trans(bus), CSR_OTP_GP_REG,
CSR_OTP_GP_REG_ECC_CORR_STATUS_MSK);
IWL_ERR(bus, "Correctable OTP ECC error, continue read\n");
}
@@ -656,7 +657,7 @@ int iwl_eeprom_init(struct iwl_priv *priv, u32 hw_rev)
{
struct iwl_shared *shrd = priv->shrd;
__le16 *e;
- u32 gp = iwl_read32(bus(priv), CSR_EEPROM_GP);
+ u32 gp = iwl_read32(trans(priv), CSR_EEPROM_GP);
int sz;
int ret;
u16 addr;
@@ -676,8 +677,6 @@ int iwl_eeprom_init(struct iwl_priv *priv, u32 hw_rev)
}
e = (__le16 *)shrd->eeprom;
- iwl_apm_init(priv);
-
ret = iwl_eeprom_verify_signature(trans(priv));
if (ret < 0) {
IWL_ERR(priv, "EEPROM not found, EEPROM_GP=0x%08x\n", gp);
@@ -701,11 +700,11 @@ int iwl_eeprom_init(struct iwl_priv *priv, u32 hw_rev)
ret = -ENOENT;
goto done;
}
- iwl_write32(bus(priv), CSR_EEPROM_GP,
- iwl_read32(bus(priv), CSR_EEPROM_GP) &
+ iwl_write32(trans(priv), CSR_EEPROM_GP,
+ iwl_read32(trans(priv), CSR_EEPROM_GP) &
~CSR_EEPROM_GP_IF_OWNER_MSK);
- iwl_set_bit(bus(priv), CSR_OTP_GP_REG,
+ iwl_set_bit(trans(priv), CSR_OTP_GP_REG,
CSR_OTP_GP_REG_ECC_CORR_STATUS_MSK |
CSR_OTP_GP_REG_ECC_UNCORR_STATUS_MSK);
/* traversing the linked list if no shadow ram supported */
@@ -730,10 +729,10 @@ int iwl_eeprom_init(struct iwl_priv *priv, u32 hw_rev)
for (addr = 0; addr < sz; addr += sizeof(u16)) {
u32 r;
- iwl_write32(bus(priv), CSR_EEPROM_REG,
+ iwl_write32(trans(priv), CSR_EEPROM_REG,
CSR_EEPROM_REG_MSK_ADDR & (addr << 1));
- ret = iwl_poll_bit(bus(priv), CSR_EEPROM_REG,
+ ret = iwl_poll_bit(trans(priv), CSR_EEPROM_REG,
CSR_EEPROM_REG_READ_VALID_MSK,
CSR_EEPROM_REG_READ_VALID_MSK,
IWL_EEPROM_ACCESS_TIMEOUT);
@@ -741,7 +740,7 @@ int iwl_eeprom_init(struct iwl_priv *priv, u32 hw_rev)
IWL_ERR(priv, "Time out reading EEPROM[%d]\n", addr);
goto done;
}
- r = iwl_read32(bus(priv), CSR_EEPROM_REG);
+ r = iwl_read32(trans(priv), CSR_EEPROM_REG);
e[addr / 2] = cpu_to_le16(r >> 16);
}
}
@@ -758,8 +757,6 @@ done:
err:
if (ret)
iwl_eeprom_free(priv->shrd);
- /* Reset chip to save power until we load uCode during "up". */
- iwl_apm_stop(priv);
alloc_err:
return ret;
}
@@ -1072,7 +1069,7 @@ void iwl_rf_config(struct iwl_priv *priv)
/* write radio config values to register */
if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) <= EEPROM_RF_CONFIG_TYPE_MAX) {
- iwl_set_bit(bus(priv), CSR_HW_IF_CONFIG_REG,
+ iwl_set_bit(trans(priv), CSR_HW_IF_CONFIG_REG,
EEPROM_RF_CFG_TYPE_MSK(radio_cfg) |
EEPROM_RF_CFG_STEP_MSK(radio_cfg) |
EEPROM_RF_CFG_DASH_MSK(radio_cfg));
@@ -1084,7 +1081,7 @@ void iwl_rf_config(struct iwl_priv *priv)
WARN_ON(1);
/* set CSR_HW_CONFIG_REG for uCode use */
- iwl_set_bit(bus(priv), CSR_HW_IF_CONFIG_REG,
+ iwl_set_bit(trans(priv), CSR_HW_IF_CONFIG_REG,
CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
}
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