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From:   William Breathitt Gray <vilhelm.gray@gmail.com>
To:     linus.walleij@linaro.org
Cc:     andy.shevchenko@gmail.com, linux-gpio@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        William Breathitt Gray <vilhelm.gray@gmail.com>
Subject: [PATCH v4 0/7] Implement get_multiple for ACCES and PC/104 drivers
Date:   Thu, 22 Mar 2018 08:59:18 -0400
Message-Id: <cover.1521723192.git.vilhelm.gray@gmail.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Changes in v4:
  - Remove STX104 patch as it has been picked up through the IIO tree
  - Utilize GENMASK for 104-IDIO-16 patch to avoid long literal bitmasks
  - Fix off-by-one errors for port_mask initializations
  - Add end comma to ports arrays initializations for consistency

This patchset implements get_multiple callbacks for the PC104 GPIO
drivers as well as the PCI-IDIO-16 and PCIe-IDIO-24 GPIO drivers. These
devices all acquire the multiple input lines with a single read, so
utilizing the get_multiple callback can provide improvement for those
users who regularly access multiple input lines.

While developing this patchset I noticed many of these devices make use
of Intel 8255 compatible interfaces for their I/O. I may write a generic
8255 GPIO driver in the future to reduce some of the redundant code I
see pop among the drivers for these devices.

William Breathitt Gray (7):
  gpio: 104-idio-16: Implement get_multiple callback
  gpio: pci-idio-16: Implement get_multiple callback
  gpio: pcie-idio-24: Implement get_multiple/set_multiple callbacks
  gpio: 104-dio-48e: Implement get_multiple callback
  gpio: 104-idi-48: Implement get_multiple callback
  gpio: gpio-mm: Implement get_multiple callback
  gpio: ws16c48: Implement get_multiple callback

 drivers/gpio/gpio-104-dio-48e.c  |  47 ++++++++++++++++
 drivers/gpio/gpio-104-idi-48.c   |  47 ++++++++++++++++
 drivers/gpio/gpio-104-idio-16.c  |  15 +++++
 drivers/gpio/gpio-gpio-mm.c      |  47 ++++++++++++++++
 drivers/gpio/gpio-pci-idio-16.c  |  50 +++++++++++++++++
 drivers/gpio/gpio-pcie-idio-24.c | 117 +++++++++++++++++++++++++++++++++++++++
 drivers/gpio/gpio-ws16c48.c      |  47 ++++++++++++++++
 7 files changed, 370 insertions(+)

-- 
2.16.2