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| author | Johannes Berg | 2017-03-13 21:48:39 +0100 |
|---|---|---|
| committer | Luca Coelho | 2017-06-02 13:07:49 +0200 |
| commit | 3b43fbcac4765ac5f7b92464b7d9685eaa34467b (patch) | |
| tree | 9ac60df261c4bf5eeff0414af174b3c0e53d6e0e /drivers/net/wireless/intel/iwlwifi/mvm/fw.c | |
| parent | iwlwifi: mvm: use u8 for reserved fields (diff) | |
| download | kernel-qcow2-linux-3b43fbcac4765ac5f7b92464b7d9685eaa34467b.tar.gz kernel-qcow2-linux-3b43fbcac4765ac5f7b92464b7d9685eaa34467b.tar.xz kernel-qcow2-linux-3b43fbcac4765ac5f7b92464b7d9685eaa34467b.zip | |
iwlwifi: mvm: disentangle paging command structs
Instead of using a union and hard-coding the size difference,
declare both command structs properly, use a union on the
stack to build them and the right sizeof() for the size.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/fw.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/fw.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index a8804bc979fe..8bdeb7c891e9 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -384,20 +384,23 @@ static int iwl_save_fw_paging(struct iwl_mvm *mvm, /* send paging cmd to FW in case CPU2 has paging image */ static int iwl_send_paging_cmd(struct iwl_mvm *mvm, const struct fw_img *fw) { - struct iwl_fw_paging_cmd paging_cmd = { - .flags = + union { + struct iwl_fw_paging_cmd v2; + struct iwl_fw_paging_cmd_v1 v1; + } paging_cmd = { + .v2.flags = cpu_to_le32(PAGING_CMD_IS_SECURED | PAGING_CMD_IS_ENABLED | (mvm->num_of_pages_in_last_blk << PAGING_CMD_NUM_OF_PAGES_IN_LAST_GRP_POS)), - .block_size = cpu_to_le32(BLOCK_2_EXP_SIZE), - .block_num = cpu_to_le32(mvm->num_of_paging_blk), + .v2.block_size = cpu_to_le32(BLOCK_2_EXP_SIZE), + .v2.block_num = cpu_to_le32(mvm->num_of_paging_blk), }; - int blk_idx, size = sizeof(paging_cmd); + int blk_idx, size = sizeof(paging_cmd.v2); /* A bit hard coded - but this is the old API and will be deprecated */ if (!iwl_mvm_has_new_tx_api(mvm)) - size -= NUM_OF_FW_PAGING_BLOCKS * 4; + size = sizeof(paging_cmd.v1); /* loop for for all paging blocks + CSS block */ for (blk_idx = 0; blk_idx < mvm->num_of_paging_blk + 1; blk_idx++) { @@ -408,11 +411,11 @@ static int iwl_send_paging_cmd(struct iwl_mvm *mvm, const struct fw_img *fw) if (iwl_mvm_has_new_tx_api(mvm)) { __le64 phy_addr = cpu_to_le64(addr); - paging_cmd.device_phy_addr.addr64[blk_idx] = phy_addr; + paging_cmd.v2.device_phy_addr[blk_idx] = phy_addr; } else { __le32 phy_addr = cpu_to_le32(addr); - paging_cmd.device_phy_addr.addr32[blk_idx] = phy_addr; + paging_cmd.v1.device_phy_addr[blk_idx] = phy_addr; } } |