Re: [Rtl-wifi-devel] Realtek rtl8187B wireless chip support for linux

[Hin-Tak L. <hin...@ya...>]

Hi, I thought I should mention that there were some 2.6.23<->26.24 
breakage and I have attached the change to the redhat bug report
I filed earlier - the redhat folks wanted to enhance the in-kernel 
realtek driver rather than talking this is directly, but they are 
not ready yet, so I have an interrim patch for for the driver to 
make it work in kernel 2.6.24:

https://bugzilla.redhat.com/show_bug.cgi?id=432280

--- On Sun, 10/2/08, Hin-Tak Leung <hin...@ya...> wrote:

> From: Hin-Tak Leung <hin...@ya...>
> Subject: Realtek rtl8187B wireless chip support for linux
> To: wl...@re...
> Cc: rtl...@li..., cu...@ze..., and...@ti..., fla...@so...
> Date: Sunday, 10 February, 2008, 8:59 PM
> One question: why is the official driver for 8187B not
> available for download?
> I have got it off a 3rd-party site:
> http://www.datanorth.net/~cuervo/rtl8187b/
> 
> I have reworked the modification made by Johnny Cuervo
> (attached as
> rtl8187-modified-diff) with a more useful kernel debug
> message and some 
> comments about why the drop through to default doesn't
> work
> (rtl8187B_linux_24...diff), and I am currently using the
> mod right now
> on the 8187B chip which has a product id 0x8197. 
> 
> I hope this change get more widely and officially
> adopted...
> 
> 
> 
>      
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> http://uk.answers.yahoo.com/diff -ruBb
> old/rtl8187B_linux_24.6.1024.0822.2007/rtl8187/r8187_core.c
> rtl8187B_linux_24.6.1024.0822.2007/rtl8187/r8187_core.c
> ---
> old/rtl8187B_linux_24.6.1024.0822.2007/rtl8187/r8187_core.c	2007-08-22
> 08:54:58.000000000 +0100
> +++
> rtl8187B_linux_24.6.1024.0822.2007/rtl8187/r8187_core.c	2008-02-10
> 03:25:46.000000000 +0000
> @@ -93,6 +93,7 @@
>  static struct usb_device_id rtl8187_usb_id_tbl[] = {
>  	{USB_DEVICE(USB_VENDOR_ID_REALTEK, 0x8187)},
>  	{USB_DEVICE(USB_VENDOR_ID_REALTEK, 0x8189)},
> +	{USB_DEVICE(USB_VENDOR_ID_REALTEK, 0x8197)},
>  //	{USB_DEVICE_VER(USB_VENDOR_ID_REALTEK,
> 0x8187,0x0200,0x0200)},
>  	{USB_DEVICE(USB_VENDOR_ID_NETGEAR, 0x6100)},
>  	{USB_DEVICE(USB_VENDOR_ID_NETGEAR, 0x6a00)},
> @@ -2833,6 +2834,11 @@
>  	idProduct = le16_to_cpu(udev->descriptor.idProduct);
>  	
>  	switch (idProduct) {
> +		case 0x8197:
> +		  /* priv->rf_chip = 6 for this chip, >
> EPROM_RFCHIPID_RTL8225U = 5 */
> +		  /* rtl8225_is_V_z2(dev) return false, and drop through
> to default: does not work */
> +		  /* drop through to 0x8189 */
> +		  DMESG("Using configuration of Product id 0x8189
> for newer 0x8197");
>  		case 0x8189:
>  			/* check RF frontend chipset */
>  			priv->card_8187 = NIC_8187B;


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