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ath9k: Miscellaneous EEPROM handling cleanup 

Print the EEPROM version/revision on init.
Choose appropriate debug masks on error conditions,
and remove useless print messages.

Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith 2009-03-13 08:55:55 +05:30 коммит произвёл John W. Linville
Родитель b572b24c57
Коммит 7d01b221b3
2 изменённых файлов: 28 добавлений и 51 удалений
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75
drivers/net/wireless/ath9k/eeprom.c
Просмотреть файл

@ -342,8 +342,7 @@ static int ath9k_hw_4k_get_eeprom_rev(struct ath_hw *ah)
static bool ath9k_hw_4k_fill_eeprom(struct ath_hw *ah)
{
#define SIZE_EEPROM_4K (sizeof(struct ar5416_eeprom_4k) / sizeof(u16))
struct ar5416_eeprom_4k *eep = &ah->eeprom.map4k;
u16 *eep_data;
u16 *eep_data = (u16 *)&ah->eeprom.map4k;
int addr, eep_start_loc = 0;
eep_start_loc = 64;
@ -353,8 +352,6 @@ static bool ath9k_hw_4k_fill_eeprom(struct ath_hw *ah)
"Reading from EEPROM, not flash\n");
}
eep_data = (u16 *)eep;
for (addr = 0; addr < SIZE_EEPROM_4K; addr++) {
if (!ath9k_hw_nvram_read(ah, addr + eep_start_loc, eep_data)) {
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
@ -363,6 +360,7 @@ static bool ath9k_hw_4k_fill_eeprom(struct ath_hw *ah)
}
eep_data++;
}
return true;
#undef SIZE_EEPROM_4K
}
@ -379,16 +377,15 @@ static int ath9k_hw_4k_check_eeprom(struct ath_hw *ah)
if (!ath9k_hw_use_flash(ah)) {
if (!ath9k_hw_nvram_read(ah, AR5416_EEPROM_MAGIC_OFFSET,
&magic)) {
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
"Reading Magic # failed\n");
return false;
}
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
"Read Magic = 0x%04X\n", magic);
"Read Magic = 0x%04X\n", magic);
if (magic != AR5416_EEPROM_MAGIC) {
magic2 = swab16(magic);
@ -401,16 +398,9 @@ static int ath9k_hw_4k_check_eeprom(struct ath_hw *ah)
temp = swab16(*eepdata);
*eepdata = temp;
eepdata++;
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
"0x%04X ", *eepdata);
if (((addr + 1) % 6) == 0)
DPRINTF(ah->ah_sc,
ATH_DBG_EEPROM, "\n");
}
} else {
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
"Invalid EEPROM Magic. "
"endianness mismatch.\n");
return -EINVAL;
@ -441,7 +431,7 @@ static int ath9k_hw_4k_check_eeprom(struct ath_hw *ah)
u16 word;
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
"EEPROM Endianness is not native.. Changing \n");
"EEPROM Endianness is not native.. Changing\n");
word = swab16(eep->baseEepHeader.length);
eep->baseEepHeader.length = word;
@ -483,7 +473,7 @@ static int ath9k_hw_4k_check_eeprom(struct ath_hw *ah)
if (sum != 0xffff || ah->eep_ops->get_eeprom_ver(ah) != AR5416_EEP_VER ||
ah->eep_ops->get_eeprom_rev(ah) < AR5416_EEP_NO_BACK_VER) {
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
"Bad EEPROM checksum 0x%x or revision 0x%04x\n",
sum, ah->eep_ops->get_eeprom_ver(ah));
return -EINVAL;
@ -1295,9 +1285,6 @@ static bool ath9k_hw_4k_set_board_values(struct ath_hw *ah,
db2[4] = ((pModal->db2_234 >> 8) & 0xf);
} else if (pModal->version == 1) {
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
"EEPROM Model version is set to 1 \n");
ob[0] = (pModal->ob_01 & 0xf);
ob[1] = ob[2] = ob[3] = ob[4] = (pModal->ob_01 >> 4) & 0xf;
db1[0] = (pModal->db1_01 & 0xf);
@ -1464,16 +1451,13 @@ static int ath9k_hw_def_get_eeprom_rev(struct ath_hw *ah)
static bool ath9k_hw_def_fill_eeprom(struct ath_hw *ah)
{
#define SIZE_EEPROM_DEF (sizeof(struct ar5416_eeprom_def) / sizeof(u16))
struct ar5416_eeprom_def *eep = &ah->eeprom.def;
u16 *eep_data;
u16 *eep_data = (u16 *)&ah->eeprom.def;
int addr, ar5416_eep_start_loc = 0x100;
eep_data = (u16 *)eep;
for (addr = 0; addr < SIZE_EEPROM_DEF; addr++) {
if (!ath9k_hw_nvram_read(ah, addr + ar5416_eep_start_loc,
eep_data)) {
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
"Unable to read eeprom region\n");
return false;
}
@ -1492,17 +1476,14 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
bool need_swap = false;
int i, addr, size;
if (!ath9k_hw_nvram_read(ah, AR5416_EEPROM_MAGIC_OFFSET,
&magic)) {
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
"Reading Magic # failed\n");
if (!ath9k_hw_nvram_read(ah, AR5416_EEPROM_MAGIC_OFFSET, &magic)) {
DPRINTF(ah->ah_sc, ATH_DBG_FATAL, "Reading Magic # failed\n");
return false;
}
if (!ath9k_hw_use_flash(ah)) {
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
"Read Magic = 0x%04X\n", magic);
"Read Magic = 0x%04X\n", magic);
if (magic != AR5416_EEPROM_MAGIC) {
magic2 = swab16(magic);
@ -1516,18 +1497,11 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
temp = swab16(*eepdata);
*eepdata = temp;
eepdata++;
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
"0x%04X ", *eepdata);
if (((addr + 1) % 6) == 0)
DPRINTF(ah->ah_sc,
ATH_DBG_EEPROM, "\n");
}
} else {
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
"Invalid EEPROM Magic. "
"endianness mismatch.\n");
"Endianness mismatch.\n");
return -EINVAL;
}
}
@ -1556,7 +1530,7 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
u16 word;
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
"EEPROM Endianness is not native.. Changing \n");
"EEPROM Endianness is not native.. Changing.\n");
word = swab16(eep->baseEepHeader.length);
eep->baseEepHeader.length = word;
@ -1602,7 +1576,7 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
if (sum != 0xffff || ah->eep_ops->get_eeprom_ver(ah) != AR5416_EEP_VER ||
ah->eep_ops->get_eeprom_rev(ah) < AR5416_EEP_NO_BACK_VER) {
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
"Bad EEPROM checksum 0x%x or revision 0x%04x\n",
sum, ah->eep_ops->get_eeprom_ver(ah));
return -EINVAL;
@ -1855,8 +1829,6 @@ static bool ath9k_hw_def_set_board_values(struct ath_hw *ah,
AR_AN_TOP2_LOCALBIAS,
AR_AN_TOP2_LOCALBIAS_S,
pModal->local_bias);
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM, "ForceXPAon: %d\n",
pModal->force_xpaon);
REG_RMW_FIELD(ah, AR_PHY_XPA_CFG, AR_PHY_FORCE_XPA_CFG,
pModal->force_xpaon);
}
@ -1882,6 +1854,7 @@ static bool ath9k_hw_def_set_board_values(struct ath_hw *ah,
REG_RMW_FIELD(ah, AR_PHY_RF_CTL3, AR_PHY_TX_END_TO_A2_RX_ON,
pModal->txEndToRxOn);
if (AR_SREV_9280_10_OR_LATER(ah)) {
REG_RMW_FIELD(ah, AR_PHY_CCA, AR9280_PHY_CCA_THRESH62,
pModal->thresh62);
@ -1912,10 +1885,10 @@ static bool ath9k_hw_def_set_board_values(struct ath_hw *ah,
}
if (AR_SREV_9280_20_OR_LATER(ah) &&
AR5416_VER_MASK >= AR5416_EEP_MINOR_VER_19)
AR5416_VER_MASK >= AR5416_EEP_MINOR_VER_19)
REG_RMW_FIELD(ah, AR_PHY_CCK_TX_CTRL,
AR_PHY_CCK_TX_CTRL_TX_DAC_SCALE_CCK,
pModal->miscBits);
AR_PHY_CCK_TX_CTRL_TX_DAC_SCALE_CCK,
pModal->miscBits);
if (AR_SREV_9280_20(ah) && AR5416_VER_MASK >= AR5416_EEP_MINOR_VER_20) {
@ -1926,14 +1899,14 @@ static bool ath9k_hw_def_set_board_values(struct ath_hw *ah,
REG_RMW_FIELD(ah, AR_AN_TOP1, AR_AN_TOP1_DACIPMODE, 0);
else
REG_RMW_FIELD(ah, AR_AN_TOP1, AR_AN_TOP1_DACIPMODE,
eep->baseEepHeader.dacLpMode);
eep->baseEepHeader.dacLpMode);
REG_RMW_FIELD(ah, AR_PHY_FRAME_CTL, AR_PHY_FRAME_CTL_TX_CLIP,
pModal->miscBits >> 2);
pModal->miscBits >> 2);
REG_RMW_FIELD(ah, AR_PHY_TX_PWRCTRL9,
AR_PHY_TX_DESIRED_SCALE_CCK,
eep->baseEepHeader.desiredScaleCCK);
AR_PHY_TX_DESIRED_SCALE_CCK,
eep->baseEepHeader.desiredScaleCCK);
}
return true;

4
drivers/net/wireless/ath9k/hw.c
Просмотреть файл

@ -588,6 +588,10 @@ static int ath9k_hw_post_attach(struct ath_hw *ah)
ecode = ath9k_hw_eeprom_attach(ah);
if (ecode != 0)
return ecode;
DPRINTF(ah->ah_sc, ATH_DBG_CONFIG, "Eeprom VER: %d, REV: %d\n",
ah->eep_ops->get_eeprom_ver(ah), ah->eep_ops->get_eeprom_rev(ah));
ecode = ath9k_hw_rfattach(ah);
if (ecode != 0)
return ecode;