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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, linux-iio@vger.kernel.org,
        William Breathitt Gray <vilhelm.gray@gmail.com>
Subject: [PATCH v2 0/8] Implement get_multiple for ACCES and PC/104 drivers
Date:   Thu, 15 Mar 2018 11:46:19 -0400
Message-Id: <cover.1521128287.git.vilhelm.gray@gmail.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Changes in v2:
  - Utilize bitmap_zero macro to clear bits array
  - Refactor bitwise operations and loop structure for clarity
  - Implement set_multiple callback for PCIe-IDIO-16 driver

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 (8):
  iio: stx104: Implement get_multiple callback
  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  |  46 +++++++++++++++
 drivers/gpio/gpio-104-idi-48.c   |  46 +++++++++++++++
 drivers/gpio/gpio-104-idio-16.c  |  15 +++++
 drivers/gpio/gpio-gpio-mm.c      |  46 +++++++++++++++
 drivers/gpio/gpio-pci-idio-16.c  |  50 +++++++++++++++++
 drivers/gpio/gpio-pcie-idio-24.c | 118 +++++++++++++++++++++++++++++++++++++++
 drivers/gpio/gpio-ws16c48.c      |  46 +++++++++++++++
 drivers/iio/adc/stx104.c         |  11 ++++
 8 files changed, 378 insertions(+)

-- 
2.16.2