[U-Boot] [RFC PATCH 02/22] stdio: Pass device pointer to stdio methods

[Marek Vasut]

On Saturday, May 24, 2014 at 11:21:01 PM, Simon Glass wrote:
> At present stdio device functions do not get any clue as to which stdio
> device is being acted on. Some implementations go to great lengths to work
> around this, such as defining a whole separate set of functions for each
> possible device.
> 
> For driver model we need to associate a stdio_dev with a device. It doesn't
> seem possible to continue with this work-around approach.
> 
> Instead, add a stdio_dev pointer to each of the stdio member functions.
> 
> Note: The serial drivers have the same problem, but it is not strictly
> necessary to fix that to get driver model running. Also, if we convert
> serial over to driver model the problem will go away.
> 
> Code size increases by 244 bytes for Thumb2 and 428 for PowerPC.
> 
> 22: stdio: Pass device pointer to stdio methods
>        arm: (for 2/2 boards)  all +244.0  bss -4.0  text +248.0
>    powerpc: (for 1/1 boards)  all +428.0  text +428.0
> 
> Signed-off-by: Simon Glass <sjg at chromium.org>

Thanks for doing this !

Reviewed-by: Marek Vasut <marex at denx.de>

Best regards,
Marek Vasut