Ping-Ke Shih <pkshih@xxxxxxxxxxx> writes:
> The register-based H2C/C2H are used to exchange commands and events with
> firmware. The exchange data is limited, but it is relatively simple,
> because it can work before HCI initialization. To make these code clean,
> use struct to access them. This patch doesn't change logic at all.
>
> Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>
[...]
> --- a/drivers/net/wireless/realtek/rtw89/fw.h
> +++ b/drivers/net/wireless/realtek/rtw89/fw.h
> @@ -18,15 +18,51 @@ enum rtw89_fw_dl_status {
> RTW89_FWDL_WCPU_FW_INIT_RDY = 7
> };
>
> -#define RTW89_GET_C2H_HDR_FUNC(info) \
> - u32_get_bits(info, GENMASK(6, 0))
> -#define RTW89_GET_C2H_HDR_LEN(info) \
> - u32_get_bits(info, GENMASK(11, 8))
> +struct rtw89_c2hreg_hdr {
> + u32 w0;
> +};
Why this is u32? Shouldn't it be __le32?
> +#define RTW89_C2HREG_HDR_FUNC_MASK GENMASK(6, 0)
> +#define RTW89_C2HREG_HDR_ACK BIT(7)
> +#define RTW89_C2HREG_HDR_LEN_MASK GENMASK(11, 8)
> +#define RTW89_C2HREG_HDR_SEQ_MASK GENMASK(15, 12)
> +
> +struct rtw89_c2hreg_phycap {
> + u32 w0;
> + u32 w1;
> + u32 w2;
> + u32 w3;
> +} __packed;
Here as well? And I saw more in the patch.
Of course these were already there so isn't a problem introduced by this
patchset, but I started wondering if we are missing some little endian
types?
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