From: Antti Palosaari <crope@iki.fi>
To: Mauro Carvalho Chehab <mchehab@redhat.com>
Cc: linux-media <linux-media@vger.kernel.org>,
Patrick Boettcher <pboettcher@kernellabs.com>
Subject: Re: [RFCv1] DVB-USB improvements [alternative 2]
Date: Fri, 25 May 2012 20:48:50 +0300 [thread overview]
Message-ID: <4FBFC602.2060806@iki.fi> (raw)
In-Reply-To: <4FBFC4FD.50108@iki.fi>
On 25.05.2012 20:44, Antti Palosaari wrote:
> I have now implemented some basic stuff. Most interesting is new way of
> map device id and properties for it. I found that I can use .driver_info
> field from the (struct usb_device_id) to carry pointer. I used it to
> carry all the other data to the DVB USB core. Thus that one big issue is
> now resolved. It reduces something like 8-9 kB of binary size which is
> huge improvement. Same will happen for every driver using multiple
> (struct dvb_usb_device_properties) - for more you are used more you save.
Argh, reduces 8-9kB from the *af9015* as it was defining three (struct
dvb_usb_device_properties). Also line count reduces 350 lines and will
reduce some more after all those planned callbacks are done.
> Here is 3 example drivers I have converted to that new style:
> http://palosaari.fi/linux/v4l-dvb/dvb-usb-2012-05-25/
Antti
--
http://palosaari.fi/
next prev parent reply other threads:[~2012-05-25 17:48 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-20 20:55 [RFCv1] DVB-USB improvements [alternative 2] Antti Palosaari
2012-05-20 22:30 ` VDR User
2012-05-20 23:10 ` Devin Heitmueller
2012-05-21 0:36 ` VDR User
2012-05-21 2:22 ` Antti Palosaari
2012-05-21 2:42 ` VDR User
2012-05-21 3:20 ` Antti Palosaari
2012-05-21 3:44 ` Mauro Carvalho Chehab
2012-05-21 3:50 ` Mauro Carvalho Chehab
2012-05-25 17:44 ` Antti Palosaari
2012-05-25 17:48 ` Antti Palosaari [this message]
2012-05-25 18:32 ` Mauro Carvalho Chehab
2012-05-25 18:38 ` Mauro Carvalho Chehab
2012-05-25 18:51 ` Antti Palosaari
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