diff options
author | Prasun Maiti <prasunmaiti87@gmail.com> | 2016-06-27 15:43:22 +0530 |
---|---|---|
committer | Kalle Valo <kvalo@codeaurora.org> | 2016-07-18 22:32:35 +0300 |
commit | 8cfb86003dbfbe7341574fef02c96b97cbd63997 (patch) | |
tree | 2946b4aec9ca2025a43b6981d71b940b4ff57bdf /drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c | |
parent | 2186f6eec2739ecd3944f9278e59edf0474f207c (diff) |
mwifiex: Reduce endian conversion for REG Host Commands
For multiple REG Host Commands (e.g HostCmd_CMD_802_11_EEPROM_ACCESS,
HostCmd_CMD_MAC_REG_ACCESS etc.) "cpu_to_leX"-converted values are
saved to driver. So, "leX_to_cpu" conversion is required too many
times afterwards in driver.
This patch reduces the endian: conversion without saving "cpu_to_leX"
converted values in driver. This will convert endianness in prepare
command and command response path.
Signed-off-by: Prasun Maiti <prasunmaiti87@gmail.com>
Acked-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c')
-rw-r--r-- | drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c | 37 |
1 files changed, 18 insertions, 19 deletions
diff --git a/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c b/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c index 9050d06998e6..ccf54932e321 100644 --- a/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c +++ b/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c @@ -786,45 +786,44 @@ static int mwifiex_ret_reg_access(u16 type, struct host_cmd_ds_command *resp, switch (type) { case HostCmd_CMD_MAC_REG_ACCESS: r.mac = &resp->params.mac_reg; - reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.mac->offset)); - reg_rw->value = r.mac->value; + reg_rw->offset = (u32) le16_to_cpu(r.mac->offset); + reg_rw->value = le32_to_cpu(r.mac->value); break; case HostCmd_CMD_BBP_REG_ACCESS: r.bbp = &resp->params.bbp_reg; - reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.bbp->offset)); - reg_rw->value = cpu_to_le32((u32) r.bbp->value); + reg_rw->offset = (u32) le16_to_cpu(r.bbp->offset); + reg_rw->value = (u32) r.bbp->value; break; case HostCmd_CMD_RF_REG_ACCESS: r.rf = &resp->params.rf_reg; - reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.rf->offset)); - reg_rw->value = cpu_to_le32((u32) r.bbp->value); + reg_rw->offset = (u32) le16_to_cpu(r.rf->offset); + reg_rw->value = (u32) r.bbp->value; break; case HostCmd_CMD_PMIC_REG_ACCESS: r.pmic = &resp->params.pmic_reg; - reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.pmic->offset)); - reg_rw->value = cpu_to_le32((u32) r.pmic->value); + reg_rw->offset = (u32) le16_to_cpu(r.pmic->offset); + reg_rw->value = (u32) r.pmic->value; break; case HostCmd_CMD_CAU_REG_ACCESS: r.rf = &resp->params.rf_reg; - reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.rf->offset)); - reg_rw->value = cpu_to_le32((u32) r.rf->value); + reg_rw->offset = (u32) le16_to_cpu(r.rf->offset); + reg_rw->value = (u32) r.rf->value; break; case HostCmd_CMD_802_11_EEPROM_ACCESS: r.eeprom = &resp->params.eeprom; - pr_debug("info: EEPROM read len=%x\n", r.eeprom->byte_count); - if (le16_to_cpu(eeprom->byte_count) < - le16_to_cpu(r.eeprom->byte_count)) { - eeprom->byte_count = cpu_to_le16(0); + pr_debug("info: EEPROM read len=%x\n", + le16_to_cpu(r.eeprom->byte_count)); + if (eeprom->byte_count < le16_to_cpu(r.eeprom->byte_count)) { + eeprom->byte_count = 0; pr_debug("info: EEPROM read length is too big\n"); return -1; } - eeprom->offset = r.eeprom->offset; - eeprom->byte_count = r.eeprom->byte_count; - if (le16_to_cpu(eeprom->byte_count) > 0) + eeprom->offset = le16_to_cpu(r.eeprom->offset); + eeprom->byte_count = le16_to_cpu(r.eeprom->byte_count); + if (eeprom->byte_count > 0) memcpy(&eeprom->value, &r.eeprom->value, - le16_to_cpu(r.eeprom->byte_count)); - + min((u16)MAX_EEPROM_DATA, eeprom->byte_count)); break; default: return -1; |