Re: [PATCH v6 19/23] drivers/fsi: Add GPIO based FSI master

[Christopher Bostic]

On 5/10/17 8:58 PM, Jeremy Kerr wrote:
> Hi Chris,
>
> > I don't think we'd want this per master.   The lock is for the 'top'
> > master issuing commands.  Only the top master can initiate any
> > transactions on the bus to any devices connected downstream. Downstream
> > masters such as hub masters, etc... cannot initiate a command.
> I think what Joel meant there was that we have it per *GPIO* master; if
> there are two GPIO masters on a system, there's no need to provide
> mutual exclusion to each (separate) set of GPIOs.
>
> To implement this, we'd just move the lock into struct fsi_master_gpio.

Hi Jeremy,

Understand now -will make the change.

Thanks
-Chris

> Cheers,
>
>
> Jeremy