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SubjectRe: [PATCH v2] wifi: rtl8xxxu: correct the error value of 'timeout'
On Fri, Nov 17, 2023 at 02:53:52AM +0000, Ping-Ke Shih wrote:
>
>
> > -----Original Message-----
> > From: Su Hui <suhui@nfschina.com>
> > Sent: Wednesday, November 15, 2023 1:01 PM
> > To: Ping-Ke Shih <pkshih@realtek.com>; Jes.Sorensen@gmail.com
> > Cc: Su Hui <suhui@nfschina.com>; kvalo@kernel.org; linux-wireless@vger.kernel.org;
> > linux-kernel@vger.kernel.org; kernel-janitors@vger.kernel.org
> > Subject: [PATCH v2] wifi: rtl8xxxu: correct the error value of 'timeout'
> >
> > When 'rtl8xxxu_dma_agg_pages <= page_thresh', 'timeout' should equal to
> > 'page_thresh' rather than '4'. Change the code order to fix this problem.
> >
> > Fixes: fd83f1227826 ("rtl8xxxu: gen1: Add module parameters to adjust DMA aggregation parameters")
> > Signed-off-by: Su Hui <suhui@nfschina.com>
> > ---
>
> Checking logic of agg_pages and agg_timeout, I think we should correct it
> by below changes. So, NACK this patch.
>
> diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
> index 43ee7592bc6e..c9e227aed685 100644
> --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
> +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
> @@ -4760,7 +4760,7 @@ void rtl8xxxu_gen1_init_aggregation(struct rtl8xxxu_priv *priv)
> page_thresh = (priv->fops->rx_agg_buf_size / 512);
> if (rtl8xxxu_dma_agg_pages >= 0) {
> if (rtl8xxxu_dma_agg_pages <= page_thresh)
> - timeout = page_thresh;
> + page_thresh = rtl8xxxu_dma_agg_pages;

Yeah. That looks correct. What I suggested earlier was wrong.

regards,
dan carpenter

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