linux-kernel - Re: Support for TI FlashMedia (pci id 104c:8033, 104c:803b) flash card readers

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Date:	Fri, 28 Jul 2006 06:02:11 -0700 (PDT)
From:	Alex Dubov <oakad@...oo.com>
To:	Andrey Panin <pazke@...pac.ru>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Support for TI FlashMedia (pci id 104c:8033, 104c:803b) flash card readers

The exact condition is (irq_status!=0 &&
irq_status!=0xffffffff). I think it is not any better
that what I have.

--- Andrey Panin <pazke@...pac.ru> wrote:

> On 208, 07 27, 2006 at 08:34:06PM -0700, Alex Dubov
> wrote:
> 
> What this strange line (in tifm_7xx1_isr function)
> is supposed to do:
> 
>         if(irq_status && (~irq_status))
> 
> check for nonzero irq_status in most obfuscated way
> ?
> Please replace it with something readable.
> 
> > I would like to announce the availability of the
> > driver for TI FlashMedia flash card readers.
> Currently
> > supported pci ids:
> > 1. 104c:8033.3
> > 2. 104c:803b.2
> > 
> > Device with id 8033 also features sdhci interface
> (as
> > subfunction 4). However, sdhci is disabled on many
> > laptops (notably Acer's), while FlashMedia
> interface
> > is available.
> > 
> > The driver is called tifmxx and available from:
> > http://developer.berlios.de/projects/tifmxx/
> > 
> > Only mmc/sd cards are supported at present, via
> mmc
> > subsystem. Provisions for other card types (Sony
> MS,
> > xD and such) are in place, but no support is
> available
> > due to lack of hardware and interest.
> > 
> > 
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> 
> -- 
> Andrey Panin		| Linux and UNIX system administrator
> pazke@...pac.ru		| PGP key: wwwkeys.pgp.net
> 


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