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From: Andrei Konovalov <akonovalov@ru•mvista.com>
To: Grant Likely <grant.likely@secretlab•ca>
Cc: linuxppc-embedded@ozlabs•org
Subject: Re: [PATCH] Xilinx framebuffer device driver
Date: Wed, 25 Apr 2007 22:16:58 +0400	[thread overview]
Message-ID: <462F9B1A.3090906@ru.mvista.com> (raw)
In-Reply-To: <462F98B4.2000108@ru.mvista.com>

Grant,

Andrei Konovalov wrote:
> I could add these to platform data.
> Together with the "use DCR access" option.
> Say,
> 
> --------------------------------------------------------
> struct xilinxfb_platform_data {
>     u32 use_dcr;
>     u32 screen_height_mm;
>     u32 screen_width_mm;
> };
> 
> static struct xilinxfb_platform_data xilinxfb_pdata = {
> #if defined(XPAR_TFT_0_USE_DCR) && (XPAR_TFT_0_USE_DCR != 0)
>     .use_dcr = 1;
> #else
>     .use_dcr = 0;
> #endif

IOW I am trying to avoid conditional compilation like:

#if defined(XPAR_TFT_0_USE_DCR) && (XPAR_TFT_0_USE_DCR != 0)
#define xilinxfb_out_be32(addr, mask)     mtdcr((addr), (mask))
#else
#define xilinxfb_out_be32(addr, mask)     out_be32((addr), (mask))
#endif

- as this would make the driver to include xparameters.h which would
be an issue when moving to the OF device tree.

Or "use DCR" could be a Kconfig option for the driver.


Thanks,
Andrei

  reply	other threads:[~2007-04-25 18:12 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-04-24 13:59 [PATCH] Xilinx framebuffer device driver Andrei Konovalov
2007-04-24 14:41 ` Peter Mendham
2007-04-24 22:17 ` Grant Likely
2007-04-25 13:06   ` Andrei Konovalov
2007-04-24 22:35 ` Arnd Bergmann
2007-04-25 18:06   ` Andrei Konovalov
2007-04-25 18:16     ` Andrei Konovalov [this message]
2007-04-25 18:35       ` Grant Likely

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