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Re: [RFC 01/16] rtl8xxxu: Treat REG_9346CR as an 8-bit wide register

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Jakub Sitnicki <jsitnicki@xxxxxxxxx> writes:
> rtl8723au driver treats REG_9346CR register as either 8- or 16-bit wide,
> while rtl8192cu driver treats it as 8-bit wide, and so does rtl8188eu
> driver.  Use the lowest common denominator strategy.
>
> Signed-off-by: Jakub Sitnicki <jsitnicki@xxxxxxxxx>
> ---
>  drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)

NACK - this is a 16 bit register and the vendor drivers take the lazy
approach of just reading/writing the lower 8 bits when they feel like
it.

My code is more consistent, so this one is not going in.

Jes

>
> diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
> index 11fcfda..5f90261 100644
> --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
> +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
> @@ -1928,10 +1928,10 @@ static int rtl8xxxu_read_efuse(struct rtl8xxxu_priv *priv)
>  	u16 val16, efuse_addr, offset;
>  	u32 val32;
>  
> -	val16 = rtl8xxxu_read16(priv, REG_9346CR);
> -	if (val16 & EEPROM_ENABLE)
> +	val8 = rtl8xxxu_read8(priv, REG_9346CR);
> +	if (val8 & EEPROM_ENABLE)
>  		priv->has_eeprom = 1;
> -	if (val16 & EEPROM_BOOT)
> +	if (val8 & EEPROM_BOOT)
>  		priv->boot_eeprom = 1;
>  
>  	val32 = rtl8xxxu_read32(priv, REG_EFUSE_TEST);
--
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