diff options
author | Ben Hutchings <bhutchings@solarflare.com> | 2012-09-07 00:58:10 +0100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-28 12:11:54 -0700 |
commit | 0f1ac29892c257ef9d13e317163d6761fe24a389 (patch) | |
tree | a9497df451254ea34b95a48af2d8d31b2f98340a /drivers | |
parent | be29fc5aa4a60b212066a28c0137236711486ec1 (diff) | |
download | lwn-0f1ac29892c257ef9d13e317163d6761fe24a389.tar.gz lwn-0f1ac29892c257ef9d13e317163d6761fe24a389.zip |
sfc: Convert firmware subtypes to native byte order in efx_mcdi_get_board_cfg()
[ Upstream commit bfeed902946a31692e7a24ed355b6d13ac37d014 ]
On big-endian systems the MTD partition names currently have mangled
subtype numbers and are not recognised by the firmware update tool
(sfupdate).
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/ethernet/sfc/mcdi.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c index 17b6463e459c..b49012dc7d7c 100644 --- a/drivers/net/ethernet/sfc/mcdi.c +++ b/drivers/net/ethernet/sfc/mcdi.c @@ -641,9 +641,8 @@ int efx_mcdi_get_board_cfg(struct efx_nic *efx, u8 *mac_address, u16 *fw_subtype_list, u32 *capabilities) { uint8_t outbuf[MC_CMD_GET_BOARD_CFG_OUT_LENMIN]; - size_t outlen; + size_t outlen, offset, i; int port_num = efx_port_num(efx); - int offset; int rc; BUILD_BUG_ON(MC_CMD_GET_BOARD_CFG_IN_LEN != 0); @@ -663,11 +662,16 @@ int efx_mcdi_get_board_cfg(struct efx_nic *efx, u8 *mac_address, : MC_CMD_GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT0_OFST; if (mac_address) memcpy(mac_address, outbuf + offset, ETH_ALEN); - if (fw_subtype_list) - memcpy(fw_subtype_list, - outbuf + MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_OFST, - MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_MINNUM * - sizeof(fw_subtype_list[0])); + if (fw_subtype_list) { + offset = MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_OFST; + for (i = 0; + i < MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_MINNUM; + i++) { + fw_subtype_list[i] = + le16_to_cpup((__le16 *)(outbuf + offset)); + offset += 2; + } + } if (capabilities) { if (port_num) *capabilities = MCDI_DWORD(outbuf, |