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Re: [PATCH] rt2x00: rt2800lib: fix default TX power check for RT55xx

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Sent from my iPad

On 25 jun. 2013, at 22:57, Gabor Juhos <juhosg@xxxxxxxxxxx> wrote:

> The code writes the default_power2 value into the TX field
> of the RFCSR50 register, however the condition in the if
> statement uses default_power1. Due to this, wrong TX power
> value might be written into the register.
> 
> Use the correct value in the condition to fix the issue.
> 
> Compile tested only.
> 
> Signed-off-by: Gabor Juhos <juhosg@xxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx # 3.10

Good catch. Thanks for spotting it.

Acked-by: Gertjan van Wingerde <gwingerde@xxxxxxxxx>


> ---
> John,
> 
> This is for 3.11. Even though the original code is introduced in
> 3.10-rc2 phase, but it is already too late to fix it in 3.10.
> 
> -Gabor
> ---
> drivers/net/wireless/rt2x00/rt2800lib.c |    2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
> index 25f7dbe..1f80ea5 100644
> --- a/drivers/net/wireless/rt2x00/rt2800lib.c
> +++ b/drivers/net/wireless/rt2x00/rt2800lib.c
> @@ -2392,7 +2392,7 @@ static void rt2800_config_channel_rf55xx(struct rt2x00_dev *rt2x00dev,
>    rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
> 
>    rt2800_rfcsr_read(rt2x00dev, 50, &rfcsr);
> -    if (info->default_power1 > power_bound)
> +    if (info->default_power2 > power_bound)
>        rt2x00_set_field8(&rfcsr, RFCSR50_TX, power_bound);
>    else
>        rt2x00_set_field8(&rfcsr, RFCSR50_TX, info->default_power2);
> -- 
> 1.7.10
> 
> --
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