From: William Breathitt Gray <vilhelm.gray@gmail.com>
To: linus.walleij@linaro.org
Cc: linux@rasmusvillemoes.dk, linux-gpio@vger.kernel.org,
linux-kernel@vger.kernel.org,
William Breathitt Gray <vilhelm.gray@gmail.com>
Subject: [PATCH 0/6] Mask read inputs for get_multiple callbacks
Date: Mon, 22 Oct 2018 21:08:07 +0900 [thread overview]
Message-ID: <cover.1540209293.git.vilhelm.gray@gmail.com> (raw)
The implementation for several drivers' get_multiple callbacks return
additional input states that were not requested by the mask passed in.
Although the current caller in the kernel does not care, it would be
prudent to ensure the behavior of the get_multiple implementations is to
return exactly the requested input states and not more. This patchset
ensures such behavior by applying a final mask on the read inputs before
setting the bits array.
William Breathitt Gray (6):
gpio: 104-dio-48e: Mask read inputs for get_multiple
gpio: 104-idi-48e: Mask the read inputs for get_multiple
gpio: gpio-mm: Mask read inputs for get_multiple
gpio: ws16c48: Mask read inputs for get_multiple
gpio: pci-idio-16: Mask read inputs for get_multiple
gpio: pcie-idio-24: Mask read inputs for get_multiple
drivers/gpio/gpio-104-dio-48e.c | 2 +-
drivers/gpio/gpio-104-idi-48.c | 2 +-
drivers/gpio/gpio-gpio-mm.c | 2 +-
drivers/gpio/gpio-pci-idio-16.c | 2 +-
drivers/gpio/gpio-pcie-idio-24.c | 2 +-
drivers/gpio/gpio-ws16c48.c | 2 +-
6 files changed, 6 insertions(+), 6 deletions(-)
--
2.19.1
next reply other threads:[~2018-10-22 12:08 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-22 12:08 William Breathitt Gray [this message]
2018-10-22 12:08 ` [PATCH 1/6] gpio: 104-dio-48e: Mask read inputs for get_multiple William Breathitt Gray
2018-10-22 12:09 ` [PATCH 2/6] gpio: 104-idi-48e: Mask the " William Breathitt Gray
2018-10-22 12:09 ` [PATCH 3/6] gpio: gpio-mm: Mask " William Breathitt Gray
2018-10-22 12:09 ` [PATCH 4/6] gpio: ws16c48: " William Breathitt Gray
2018-10-22 12:10 ` [PATCH 5/6] gpio: pci-idio-16: " William Breathitt Gray
2018-10-22 12:10 ` [PATCH 6/6] gpio: pcie-idio-24: " William Breathitt Gray
2018-10-31 9:00 ` [PATCH 0/6] Mask read inputs for get_multiple callbacks Linus Walleij
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