Re: [PATCH 1/2] rt2x00: convert rt2x00_ops.extra_tx_headroom to be a fuction

[Stanislaw Gruszka <sgruszka@redhat.com>]

On Wed, Jun 05, 2013 at 12:53:59PM +0200, Gabor Juhos wrote:
> The rt2x00_ops structure has a static field to indicate
> the extra TX headroom size required for a given device.
> The drawback of this is that we have to use a separate
> rt2x00_ops structure for each chipset which requires
> different size.
> 
> Convert the static field into a callback function.
> This allows the drivers to dynamically determine the
> extra TX headroom size based on the actual chipset.
> Also implement the the callback in the drivers which
> needs an extra TX headroom, and remove the field
> initialization from the others.
> 
> Additionally, introduce a new extra_tx_headroom field
> in struct rt2x00_dev, initialize its value in the probe
> routine and use the cached value in the rest of the code.

Could we rather get rid of that extra_tx_headroom variable and use queue
parameters: winfo_size and desc_size ?

Stanislaw