From mboxrd@z Thu Jan 1 00:00:00 1970 From: William Breathitt Gray Subject: [PATCH 0/5] Add GPIO set_multiple callback support for ISA_BUS_API drivers Date: Thu, 19 Jan 2017 10:05:17 -0500 Message-ID: Return-path: Sender: linux-kernel-owner@vger.kernel.org To: linus.walleij@linaro.org, gnurou@gmail.com Cc: linux-gpio@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, William Breathitt Gray List-Id: linux-gpio@vger.kernel.org Most of the ISA_BUS_API drivers control GPIO via 8-bit ioport registers. Since updating any given GPIO line involves writing out all 8 bits for the respective register, it makes sense to add support for the GPIO set_multiple callback function so that multiple GPIO lines may be set more efficiently. This patchset adds such support in each respective driver. William Breathitt Gray (5): gpio: 104-dio-48e: Add set_multiple callback function support gpio: 104-idio-16: Add set_multiple callback function support gpio: gpio-mm: Add set_multiple callback function support gpio: ws16c48: Add set_multiple callback function support iio: stx104: Add GPIO set_multiple callback function support drivers/gpio/gpio-104-dio-48e.c | 39 +++++++++++++++++++++++++++++++++++++++ drivers/gpio/gpio-104-idio-16.c | 20 ++++++++++++++++++++ drivers/gpio/gpio-gpio-mm.c | 39 +++++++++++++++++++++++++++++++++++++++ drivers/gpio/gpio-ws16c48.c | 41 +++++++++++++++++++++++++++++++++++++++++ drivers/iio/adc/stx104.c | 23 +++++++++++++++++++++++ 5 files changed, 162 insertions(+) -- 2.11.0