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bnx2x: refactor nvram read procedure

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introduce a procedure to read in u32 granularity.

CC: Francious Romieu <romieu@fz.zoreil.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dmitry Kravkov 2013-04-22 03:48:06 +00:00 committed by David S. Miller
parent 91b1c1aab2
commit 85640952c5
1 changed files with 21 additions and 7 deletions
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28
drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
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@ -1364,6 +1364,23 @@ static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
return rc;
}
static int bnx2x_nvram_read32(struct bnx2x *bp, u32 offset, u32 *buf,
int buf_size)
{
int rc;
rc = bnx2x_nvram_read(bp, offset, (u8 *)buf, buf_size);
if (!rc) {
__be32 *be = (__be32 *)buf;
while ((buf_size -= 4) >= 0)
*buf++ = be32_to_cpu(*be++);
}
return rc;
}
static int bnx2x_get_eeprom(struct net_device *dev,
struct ethtool_eeprom *eeprom, u8 *eebuf)
{
@ -2598,8 +2615,7 @@ static int bnx2x_test_nvram(struct bnx2x *bp)
{ 0x708, 0x70 }, /* manuf_key_info */
{ 0, 0 }
};
__be32 *buf;
u8 *data;
u8 *buf;
int i, rc;
u32 magic, crc;
@ -2612,16 +2628,14 @@ static int bnx2x_test_nvram(struct bnx2x *bp)
rc = -ENOMEM;
goto test_nvram_exit;
}
data = (u8 *)buf;
rc = bnx2x_nvram_read(bp, 0, data, 4);
rc = bnx2x_nvram_read32(bp, 0, &magic, sizeof(magic));
if (rc) {
DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
"magic value read (rc %d)\n", rc);
goto test_nvram_exit;
}
magic = be32_to_cpu(buf[0]);
if (magic != 0x669955aa) {
DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
"wrong magic value (0x%08x)\n", magic);
@ -2631,7 +2645,7 @@ static int bnx2x_test_nvram(struct bnx2x *bp)
for (i = 0; nvram_tbl[i].size; i++) {
rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, buf,
nvram_tbl[i].size);
if (rc) {
DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
@ -2639,7 +2653,7 @@ static int bnx2x_test_nvram(struct bnx2x *bp)
goto test_nvram_exit;
}
crc = ether_crc_le(nvram_tbl[i].size, data);
crc = ether_crc_le(nvram_tbl[i].size, buf);
if (crc != CRC32_RESIDUAL) {
DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
"nvram_tbl[%d] wrong crc value (0x%08x)\n", i, crc);