From: Phillip Potter <phil@philpotter.co.uk>
To: Martin Kaiser <martin@kaiser.cx>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Larry Finger <Larry.Finger@lwfinger.net>,
Dan Carpenter <dan.carpenter@oracle.com>,
Michael Straube <straube.linux@gmail.com>,
linux-staging@lists.linux.dev,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 10/10] staging: r8188eu: set pipe only once
Date: Sat, 21 Aug 2021 18:47:28 +0100 [thread overview]
Message-ID: <CAA=Fs0mm3=nNkBGbbodSZFcz7hT2NuV6Z_c6a+9qFMr8Vjg+_A@mail.gmail.com> (raw)
In-Reply-To: <20210821164859.4351-10-martin@kaiser.cx>
On Sat, 21 Aug 2021 at 17:50, Martin Kaiser <martin@kaiser.cx> wrote:
>
> Set the pipe for reading or writing in usbctrl_vendorreq only once.
> There's no need to set it again for every retry.
>
> This patch is an adaptation of commit 889ed8b5e374 ("staging: rtl8188eu:
> set pipe only once") for the new r8188eu driver.
>
> Signed-off-by: Martin Kaiser <martin@kaiser.cx>
> ---
> drivers/staging/r8188eu/hal/usb_ops_linux.c | 15 ++++++++-------
> 1 file changed, 8 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/staging/r8188eu/hal/usb_ops_linux.c b/drivers/staging/r8188eu/hal/usb_ops_linux.c
> index 5408383ccec3..5a55ee38d7b8 100644
> --- a/drivers/staging/r8188eu/hal/usb_ops_linux.c
> +++ b/drivers/staging/r8188eu/hal/usb_ops_linux.c
> @@ -40,15 +40,16 @@ static int usbctrl_vendorreq(struct intf_hdl *pintfhdl, u16 value, void *pdata,
> goto release_mutex;
> }
>
> - while (++vendorreq_times <= MAX_USBCTRL_VENDORREQ_TIMES) {
> - memset(pIo_buf, 0, len);
> + if (requesttype == REALTEK_USB_VENQT_READ)
> + pipe = usb_rcvctrlpipe(udev, 0);/* read_in */
> + else
> + pipe = usb_sndctrlpipe(udev, 0);/* write_out */
>
> - if (requesttype == REALTEK_USB_VENQT_READ) {
> - pipe = usb_rcvctrlpipe(udev, 0);/* read_in */
> - } else {
> - pipe = usb_sndctrlpipe(udev, 0);/* write_out */
> + while (++vendorreq_times <= MAX_USBCTRL_VENDORREQ_TIMES) {
> + if (requesttype == REALTEK_USB_VENQT_READ)
> + memset(pIo_buf, 0, len);
> + else
> memcpy(pIo_buf, pdata, len);
> - }
>
> status = usb_control_msg(udev, pipe, REALTEK_USB_VENQT_CMD_REQ,
> requesttype, value, REALTEK_USB_VENQT_CMD_IDX,
> --
> 2.20.1
>
Acked-by: Phillip Potter <phil@philpotter.co.uk>
Regards,
Phil
next prev parent reply other threads:[~2021-08-21 17:47 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-21 16:48 [PATCH 01/10] staging: r8188eu: remove unnecessary cast Martin Kaiser
2021-08-21 16:48 ` [PATCH 02/10] staging: r8188eu: remove unused define Martin Kaiser
2021-08-21 17:27 ` Phillip Potter
2021-08-22 11:56 ` Michael Straube
2021-08-21 16:48 ` [PATCH 03/10] staging: rtl8188eu: use actual request type as parameter Martin Kaiser
2021-08-21 17:44 ` Phillip Potter
2021-08-22 12:08 ` Michael Straube
2021-08-21 16:48 ` [PATCH 04/10] staging: r8188eu: rewrite usb vendor request defines Martin Kaiser
2021-08-21 17:45 ` Phillip Potter
2021-08-22 12:18 ` Michael Straube
2021-08-21 16:48 ` [PATCH 05/10] staging: r8188eu: remove an unused enum Martin Kaiser
2021-08-21 17:29 ` Phillip Potter
2021-08-22 12:19 ` Michael Straube
2021-08-21 16:48 ` [PATCH 06/10] staging: r8188eu: clean up the usb_readXY functions Martin Kaiser
2021-08-21 17:45 ` Phillip Potter
2021-08-22 12:25 ` Michael Straube
2021-08-21 16:48 ` [PATCH 07/10] staging: r8188eu: clean up the usb_writeXY functions Martin Kaiser
2021-08-21 17:46 ` Phillip Potter
2021-08-22 12:27 ` Michael Straube
2021-08-21 16:48 ` [PATCH 08/10] staging: r8188eu: clean up the usb_writeN Martin Kaiser
2021-08-21 17:47 ` Phillip Potter
2021-08-22 13:24 ` Michael Straube
2021-08-22 16:58 ` Martin Kaiser
2021-08-22 17:17 ` Michael Straube
2021-08-21 16:48 ` [PATCH 09/10] staging: r8188eu: remove unused members of struct _io_ops Martin Kaiser
2021-08-21 17:29 ` Phillip Potter
2021-08-22 13:28 ` Michael Straube
2021-08-21 16:48 ` [PATCH 10/10] staging: r8188eu: set pipe only once Martin Kaiser
2021-08-21 17:47 ` Phillip Potter [this message]
2021-08-22 14:05 ` Michael Straube
2021-08-21 17:27 ` [PATCH 01/10] staging: r8188eu: remove unnecessary cast Phillip Potter
2021-08-22 17:04 ` Martin Kaiser
2021-08-22 23:49 ` Phillip Potter
2021-08-22 11:54 ` Michael Straube
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='CAA=Fs0mm3=nNkBGbbodSZFcz7hT2NuV6Z_c6a+9qFMr8Vjg+_A@mail.gmail.com' \
--to=phil@philpotter.co.uk \
--cc=Larry.Finger@lwfinger.net \
--cc=dan.carpenter@oracle.com \
--cc=gregkh@linuxfoundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-staging@lists.linux.dev \
--cc=martin@kaiser.cx \
--cc=straube.linux@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).