public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: antirez <antirez@invece.org>
To: antirez <antirez@invece.org>
Cc: Greg KH <greg@wirex.com>, Heitzso <xxh1@cdc.gov>,
	"'linux-kernel@vger.kernel.org'" <linux-kernel@vger.kernel.org>,
	"'Johannes Erdfelt'" <johannes@erdfelt.com>
Subject: Re: USB broken in 2.4.0
Date: Sat, 6 Jan 2001 04:40:47 +0100	[thread overview]
Message-ID: <20010106044047.B1748@prosa.it> (raw)
In-Reply-To: <B7F9A3E3FDDDD11185510000F8BDBBF2049E7F99@mcdc-atl-5.cdc.gov> <20010105100040.A25217@wirex.com> <20010106000429.K7784@prosa.it> <20010106033936.A1748@prosa.it>
In-Reply-To: <20010106033936.A1748@prosa.it>; from antirez@invece.org on Sat, Jan 06, 2001 at 03:39:36AM +0100

On Sat, Jan 06, 2001 at 03:39:36AM +0100, antirez wrote:
> s10sh reads 0x1400 bytes at once downloading jpges from the
> digicam, but the ioctl() that performs the bulk read fails with 2.4
> using this size. If I resize it (for example to 0x300) it works without
> problems (with high performace penality, of course, 60% of slow-down).

I checked it better: the largest bulk read I can perform is of 4096 bytes
(up to 5120 bytes with old kernels).

antirez

(please CC me)

-- 
Salvatore Sanfilippo              |                      <antirez@invece.org>
http://www.kyuzz.org/antirez      |      PGP: finger antirez@tella.alicom.com
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/

  reply	other threads:[~2001-01-06  1:40 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-01-05 17:38 USB broken in 2.4.0 Heitzso
2001-01-05 18:00 ` Greg KH
2001-01-05 23:04   ` antirez
2001-01-06  2:39     ` antirez
2001-01-06  3:40       ` antirez [this message]
  -- strict thread matches above, loose matches on Subject: below --
2001-01-06  0:48 Dunlap, Randy
2001-01-06  3:50 ` antirez
2001-01-06  1:53   ` Johannes Erdfelt
2001-01-08 15:38 Heitzso
2001-01-08 17:54 ` antirez

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=20010106044047.B1748@prosa.it \
    --to=antirez@invece.org \
    --cc=greg@wirex.com \
    --cc=johannes@erdfelt.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=xxh1@cdc.gov \
    /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