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

2017-05-11 Thread 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... cann

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

2017-05-10 Thread Jeremy Kerr
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

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

2017-05-10 Thread Christopher Bostic
On 5/10/17 2:30 AM, Joel Stanley wrote: Hi Chris, On Tue, Apr 11, 2017 at 5:17 AM, Christopher Bostic wrote: From: Chris Bostic Implement a FSI master using GPIO. Will generate FSI protocol for read and write commands to particular addresses. Sends master command and waits for and decod

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

2017-05-10 Thread Joel Stanley
Hi Chris, On Tue, Apr 11, 2017 at 5:17 AM, Christopher Bostic wrote: > From: Chris Bostic > > Implement a FSI master using GPIO. Will generate FSI protocol for > read and write commands to particular addresses. Sends master command > and waits for and decodes a slave response. > > Includes ch

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

2017-04-10 Thread Christopher Bostic
From: Chris Bostic Implement a FSI master using GPIO. Will generate FSI protocol for read and write commands to particular addresses. Sends master command and waits for and decodes a slave response. Includes changes from Edward A. James and Jeremy Kerr . Signed-off-by: Edward A. James Signe