Re: [PATCH for-5.14] spi: bcm2835: Allow arbitrary number of slaves

[Lukas Wunner <lukas@xxxxxxxxx>]

On Sat, May 22, 2021 at 09:29:42PM +0200, Lukas Wunner wrote:
> Since commit 571e31fa60b3 ("spi: bcm2835: Cache CS register value for
> ->prepare_message()"), the number of slaves has been limited by a
> compile-time constant.  This was necessitated by statically-sized
> arrays in the driver private data which contain per-slave register
> values.
> 
> As suggested by Mark, move those register values to a per-slave
> controller_state which is allocated on ->setup and freed on ->cleanup.
> The limitation on the number of slaves is thus lifted.
> 
> Signed-off-by: Lukas Wunner <lukas@xxxxxxxxx>
> Cc: Joe Burmeister <joe.burmeister@xxxxxxxxxxxxx>
> Cc: Phil Elwell <phil@xxxxxxxxxxxxxxx>

This patch needs a rebase on commit c7299fea6769 ("spi: Fix spi device
unregister flow") which has just landed in Linus' tree.

So I'm withdrawing the patch and will send a v2 shortly.

Thanks,

Lukas