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Re: [PATCH] rtw88: Add delay on polling h2c command status bit

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Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx> writes:

> On some systems we can constanly see rtw88 complains:
> [39584.721375] rtw_pci 0000:03:00.0: failed to send h2c command
>
> Increase interval of each check to wait the status bit really changes.
>
> While at it, add some helpers so we can use standarized
> readx_poll_timeout() macro.

One logical change per patch, please.

> --- a/drivers/net/wireless/realtek/rtw88/hci.h
> +++ b/drivers/net/wireless/realtek/rtw88/hci.h
> @@ -253,6 +253,10 @@ rtw_write8_mask(struct rtw_dev *rtwdev, u32 addr, u32 mask, u8 data)
>  	rtw_write8(rtwdev, addr, set);
>  }
>  
> +#define rr8(addr)      rtw_read8(rtwdev, addr)
> +#define rr16(addr)     rtw_read16(rtwdev, addr)
> +#define rr32(addr)     rtw_read32(rtwdev, addr)

For me these macros reduce code readability, not improve anything. They
hide the use of rtwdev variable, which is evil, and a name like rr8() is
just way too vague. Please keep the original function names as is.

-- 
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches



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