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Date: Mon, 4 Sep 2017 16:25:09 +0930 From: Joel Stanley <joel@....id.au> To: Jeremy Kerr <jk@...abs.org> Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Christopher Bostic <cbostic@...ux.vnet.ibm.com> Subject: Re: [PATCH 0/3] Add 'external mode' for GPIO-based FSI master Hi Jeremy, On Mon, Jun 19, 2017 at 6:56 PM, Jeremy Kerr <jk@...abs.org> wrote: > This series (on top of current char-misc-next) implements "external > mode" (ie, support for FSI debug devices) for the GPIO-based FSI master > driver. > > We implement this control in the GPIO master driver, as it has the > mapping of raw GPIO pins to fsi control signals, and provides a > mechanism for the kernel to retain exclusive access to those GPIOs. I just noticed that this didn't get applied. I assume it's because we forgot to cc Greg. I have a v2 of some of the patches in my inbox; we should re-send that v2. It may make sense to merge in some of the latter changes we have in the openbmc tree first. Cheers, Joel > --- > Jeremy Kerr (3): > fsi: Add fsi_master_rescan() > fsi/master-gpio: Add locking around gpio operations during break & > link enable > fsi/master-gpio: Add external mode > > .../ABI/testing/sysfs-driver-fsi-master-gpio | 10 +++ > drivers/fsi/fsi-core.c | 9 ++- > drivers/fsi/fsi-master-gpio.c | 85 +++++++++++++++++++++- > drivers/fsi/fsi-master.h | 2 + > 4 files changed, 102 insertions(+), 4 deletions(-) > create mode 100644 Documentation/ABI/testing/sysfs-driver-fsi-master-gpio > > -- > 2.7.4 >
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