diff options
| author | Dmitry Kravkov <dmitry@broadcom.com> | 2013-04-22 03:48:06 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-04-22 15:34:39 -0400 |
| commit | 85640952c5d76553a7ed543b355527e2b2b57b29 (patch) | |
| tree | 89ad8d1ceac6fae8681627c7f8788e35d4850fd0 /drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c | |
| parent | 91b1c1aab2f70c30fa3efc0d42d63b2e25a6bd68 (diff) | |
bnx2x: refactor nvram read procedure
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>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c index 129d6b21317c..f04eddf1c94c 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c @@ -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); |