[U-Boot] [PATCH v9 2/2] console: usb: kbd: To improve TFTP booting performance
Jim Lin
jilin at nvidia.com
Mon Aug 26 13:19:41 CEST 2013
Marek,
In common/usb_kbd.c, you applied code to wrong place.
You should apply my change to function usb_kbd_testc(), instead of usb_kbd_getc().
Could you help to correct it?
Thanks,
Jim
-----Original Message-----
From: Marek Vasut [mailto:marex at denx.de]
Sent: Wednesday, August 21, 2013 12:27 PM
To: Jim Lin
Cc: joe.hershberger at gmail.com; u-boot at lists.denx.de; Tom Warren; swarren at wwwdotorg.org
Subject: Re: [PATCH v9 2/2] console: usb: kbd: To improve TFTP booting performance
Dear Jim Lin,
> TFTP booting is slow when a USB keyboard is installed and stdin has
> usbkbd added.
> This fix is to change Ctrl-C polling for USB keyboard to every second
> when NET transfer is running.
>
> Signed-off-by: Jim Lin <jilin at nvidia.com>
> ---
> Changes in v2:
> 1. Change configuration name from CONFIG_CTRLC_POLL_MS to
> CONFIG_CTRLC_POLL_S. 2. New code will be executed only when
> CONFIG_CTRLC_POLL_S is defined in configuration header file.
> 3. Add description in README.console.
> Changes in v3:
> 1. Move changes to common/usb_kbd.c and doc/README.usb 2. Rename
> config setting to CONFIG_USBKB_TESTC_PERIOD.
> 3. Remove slow response on USB-keyboard input when TFTP boot is not
> running. Changes in v4:
> 1. Remove changes in doc/README.usb, common/usb_kbd.c and
> CONFIG_USBKB_TESTC_PERIOD
> 2. Modify net/net.c
> Changes in v5:
> 1. Change variable name to ctrlc_t_start.
> 2. Use two calls of get_timer(0) to get time gap.
> Changes in v6:
> 1. In common/usb_kbd.c, check net_busy_flag to determine whether we poll
> USB keyboard status.
> 2. In include/usb.h, add external variable declaration net_busy_flag
> Changes in v7:
> 1. In common/usb_kbd.c and include/usb.h, add #ifdef CONFIG_CMD_NET.
> 2. In common/usb_kbd.c, modify code to get correct time gap.
> Changes in v8:
> 1. Add __maybe_unused for variable kbd_testc_tms.
> Changes in v9:
> 1. Move external variable declaration from include/usb.h to
> common/usb_kbd.c
>
> common/usb_kbd.c | 15 +++++++++++++++
> 1 files changed, 15 insertions(+), 0 deletions(-)
Applied, thanks.
Best regards,
Marek Vasut
--
nvpublic
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