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Date: Sun, 14 Feb 2010 18:44:34 +0100
From: Frederic Leroy <fredo@starox.org>
To: Larry Finger <Larry.Finger@lwfinger.net>
Cc: "John W. Linville" <linville@tuxdriver.com>,
	Hin-Tak Leung <hintak.leung@gmail.com>,
	Marcel Holtmann <marcel@holtmann.org>,
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Subject: Re: staging: No option to select rtl8192su in linux-2.6.33-rc2
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Le Sun, 14 Feb 2010 11:21:46 -0600,
Larry Finger <Larry.Finger@lwfinger.net> a écrit :
> [...]
> * Make certain the driver in staging works in its present form.

Currently, I use it currently and seems stable.

> * Prepare a patch to eliminate the unused branches of if(0) and if(1)
> [...]
> After the staging driver is leaner and cleaner, then you can start on
> the port. As the RTL8192SU is a USB device, you may want to start
> with rtl8187 rather than rtl8180, which is a PCI device. Once you
> reach the point of getting a driver that has minimal functionality,
> you can use the USB capture routines to compare your version with the
> one that works.
> 
> Writing a new driver is a very involved process as I have found with
> the RTL8187SE. In fact, my first two attempts failed, in large part
> because I did not do the steps above. The current attempt looks more
> promising as it has successfully read the EEPROM and is about 1000
> register read/write steps toward getting the device initialized.

Thanks for your wise advice Larry.
I will follow it.

-- 
Frédéric Leroy