Jacob Kiefer <jt...@cornell.edu> writes:
> From: Jacob Kiefer <jt...@cornell.edu>
>
> Changed rssi_cmd interface to accept le32 param instead of
> unnecessary u8 * conversion. Updated existing calls to rssi_cmd.
> This patch pushes responsibility to caller to convert to
> le32. This cleans up the code quite a bit.
> Also removed magic numbers.
>
> This patch fixes the following sparse error:
>
> CHECK drivers/staging/rtl8723au/hal/rtl8723a_cmd.c
> ...
> drivers/staging/rtl8723au/hal/rtl8723a_cmd.c:118:25: \
> warning: incorrect type in assignment (different base types)
> drivers/staging/rtl8723au/hal/rtl8723a_cmd.c:118:25: \
> expected unsigned int [unsigned] [usertype] <noident>
> drivers/staging/rtl8723au/hal/rtl8723a_cmd.c:118:25: \
> got restricted __le32 [usertype] <noident>
> ...
>
> Signed-off-by: Jacob Kiefer <jt...@cornell.edu>
> ---
> In v3, opted to change the interface rather than just the internal
> code to clear the sparse errors and make the code more sane.
I am fine with this code in principle, but has it been tested? This
stuff will break the driver miserably if it's wrong.
Thanks,
Jes
> ---
> drivers/staging/rtl8723au/hal/odm.c | 3 ++-
> drivers/staging/rtl8723au/hal/rtl8723a_cmd.c | 7 +++----
> drivers/staging/rtl8723au/include/rtl8723a_cmd.h | 2 +-
> 3 files changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/staging/rtl8723au/hal/odm.c
> b/drivers/staging/rtl8723au/hal/odm.c
> index 6b9dbef..c7f45c7 100644
> --- a/drivers/staging/rtl8723au/hal/odm.c
> +++ b/drivers/staging/rtl8723au/hal/odm.c
> @@ -1274,7 +1274,8 @@ static void odm_RSSIMonitorCheck(struct dm_odm_t
> *pDM_Odm)
>
> for (i = 0; i < sta_cnt; i++) {
> if (PWDB_rssi[i] != (0))
> - rtl8723a_set_rssi_cmd(Adapter, (u8 *)&PWDB_rssi[i]);
> + rtl8723a_set_rssi_cmd(Adapter,
> + cpu_to_le32(PWDB_rssi[i]));
> }
>
> pdmpriv->EntryMaxUndecoratedSmoothedPWDB = MaxDB;
> diff --git a/drivers/staging/rtl8723au/hal/rtl8723a_cmd.c
> b/drivers/staging/rtl8723au/hal/rtl8723a_cmd.c
> index 9733aa6..97d23c3 100644
> --- a/drivers/staging/rtl8723au/hal/rtl8723a_cmd.c
> +++ b/drivers/staging/rtl8723au/hal/rtl8723a_cmd.c
> @@ -25,6 +25,7 @@
> #define RTL92C_MAX_CMD_LEN 5
> #define MESSAGE_BOX_SIZE 4
> #define EX_MESSAGE_BOX_SIZE 2
> +#define RSSI_CMD_LEN 3
>
> static u8 _is_fw_read_cmd_down(struct rtw_adapter *padapter, u8 msgbox_num)
> {
> @@ -113,11 +114,9 @@ exit:
> return ret;
> }
>
> -int rtl8723a_set_rssi_cmd(struct rtw_adapter *padapter, u8 *param)
> +int rtl8723a_set_rssi_cmd(struct rtw_adapter *padapter, __le32 param)
> {
> - *((u32 *)param) = cpu_to_le32(*((u32 *)param));
> -
> - FillH2CCmd(padapter, RSSI_SETTING_EID, 3, param);
> + FillH2CCmd(padapter, RSSI_SETTING_EID, RSSI_CMD_LEN, (u8 *)¶m);
>
> return _SUCCESS;
> }
> diff --git a/drivers/staging/rtl8723au/include/rtl8723a_cmd.h
> b/drivers/staging/rtl8723au/include/rtl8723a_cmd.h
> index 014c02e..e281543 100644
> --- a/drivers/staging/rtl8723au/include/rtl8723a_cmd.h
> +++ b/drivers/staging/rtl8723au/include/rtl8723a_cmd.h
> @@ -149,7 +149,7 @@ void rtl8723a_set_BTCoex_AP_mode_FwRsvdPkt_cmd(struct
> rtw_adapter *padapter);
> #else
> #define rtl8723a_set_BTCoex_AP_mode_FwRsvdPkt_cmd(padapter) do {} while(0)
> #endif
> -int rtl8723a_set_rssi_cmd(struct rtw_adapter *padapter, u8 *param);
> +int rtl8723a_set_rssi_cmd(struct rtw_adapter *padapter, __le32 param);
> int rtl8723a_set_raid_cmd(struct rtw_adapter *padapter, u32 mask, u8 arg);
> void rtl8723a_add_rateatid(struct rtw_adapter *padapter, u32 bitmap, u8 arg,
> u8 rssi_level);
>
> --
> 1.8.3.2
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