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SubjectRE: [PATCH v2 3/3] wifi: rtw88: usb: drop now unnecessary URB size check
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> -----Original Message-----
> From: Sascha Hauer <s.hauer@pengutronix.de>
> Sent: Friday, February 10, 2023 7:17 PM
> To: linux-wireless@vger.kernel.org
> Cc: Neo Jou <neojou@gmail.com>; Hans Ulli Kroll <linux@ulli-kroll.de>; Ping-Ke Shih <pkshih@realtek.com>;
> Yan-Hsuan Chuang <tony0620emma@gmail.com>; Kalle Valo <kvalo@kernel.org>; netdev@vger.kernel.org;
> linux-kernel@vger.kernel.org; Martin Blumenstingl <martin.blumenstingl@googlemail.com>;
> kernel@pengutronix.de; Alexander Hochbaum <alex@appudo.com>; Da Xue <da@libre.computer>; Bernie Huang
> <phhuang@realtek.com>; Andreas Henriksson <andreas@fatal.se>; Viktor Petrenko <g0000ga@gmail.com>; Sascha
> Hauer <s.hauer@pengutronix.de>
> Subject: [PATCH v2 3/3] wifi: rtw88: usb: drop now unnecessary URB size check
>
> Now that we send URBs with the URB_ZERO_PACKET flag set we no longer
> need to make sure that the URB sizes are not multiple of the
> bulkout_size. Drop the check.
>
> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Reviewed-by: Ping-Ke Shih <pkshih@realtek.com>

> ---
> drivers/net/wireless/realtek/rtw88/usb.c | 15 +--------------
> 1 file changed, 1 insertion(+), 14 deletions(-)
>
> diff --git a/drivers/net/wireless/realtek/rtw88/usb.c b/drivers/net/wireless/realtek/rtw88/usb.c
> index 1a09c9288198a..2a8336b1847a5 100644
> --- a/drivers/net/wireless/realtek/rtw88/usb.c
> +++ b/drivers/net/wireless/realtek/rtw88/usb.c
> @@ -414,24 +414,11 @@ static int rtw_usb_write_data_rsvd_page(struct rtw_dev *rtwdev, u8 *buf,
> u32 size)
> {
> const struct rtw_chip_info *chip = rtwdev->chip;
> - struct rtw_usb *rtwusb;
> struct rtw_tx_pkt_info pkt_info = {0};
> - u32 len, desclen;
> -
> - rtwusb = rtw_get_usb_priv(rtwdev);
>
> pkt_info.tx_pkt_size = size;
> pkt_info.qsel = TX_DESC_QSEL_BEACON;
> -
> - desclen = chip->tx_pkt_desc_sz;
> - len = desclen + size;
> - if (len % rtwusb->bulkout_size == 0) {
> - len += RTW_USB_PACKET_OFFSET_SZ;
> - pkt_info.offset = desclen + RTW_USB_PACKET_OFFSET_SZ;
> - pkt_info.pkt_offset = 1;
> - } else {
> - pkt_info.offset = desclen;
> - }
> + pkt_info.offset = chip->tx_pkt_desc_sz;
>
> return rtw_usb_write_data(rtwdev, &pkt_info, buf);
> }
> --
> 2.30.2

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