gpio: updates for v5.4

From: Bartosz Golaszewski <[email protected]>

The following changes since commit 5f9e832c137075045d15cd6899ab0505cfb2ca4b:

Linus 5.3-rc1 (2019-07-21 14:05:38 -0700)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git tags/gpio-v5.4-updates-for-linus

for you to fetch changes up to f2ee73147a3f23cc4b032a76b5677b4b8441ba74:

gpio: lpc32xx: allow building on non-lpc32xx targets (2019-08-12 09:10:00 +0200)

----------------------------------------------------------------
gpio: updates for v5.4

- use a helper variable for &pdev->dev in gpio-em
- tweak the ifdefs in GPIO headers
- fix function links in HTML docs
- remove an unneeded error message from ixp4xx
- use the optional clk_get in gpio-mxc instead of checking the return value
- a couple improvements in pca953x
- allow to build gpio-lpc32xx on non-lpc32xx targets

----------------------------------------------------------------
Andy Shevchenko (4):
gpio: pca953x: Switch to use device_get_match_data()
gpio: pca953x: Use GENMASK() consistently
gpio: pca953x: Remove explicit comparison with 0
gpio: pca953x: Drop %s for constant string literals

Anson Huang (1):
gpio: mxc: Use devm_clk_get_optional instead of devm_clk_get

Arnd Bergmann (1):
gpio: lpc32xx: allow building on non-lpc32xx targets

Bartosz Golaszewski (1):

      gpio: em: use a helper variable for &pdev->dev

Ding Xiang (1):
gpio: ixp4xx: remove redundant dev_err message

Jeremy Cline (1):
Documentation: gpio: fix function links in the HTML docs

Masahiro Yamada (1):
gpio: remove less important #ifdef around declarations

 Documentation/driver-api/gpio/driver.rst |  16 ++---
 arch/arm/configs/lpc32xx_defconfig       |   1 +
 drivers/gpio/Kconfig                     |   7 ++
 drivers/gpio/Makefile                    |   2 +-
 drivers/gpio/gpio-em.c                   |  37 +++++-----
 drivers/gpio/gpio-ixp4xx.c               |   4 +-
 drivers/gpio/gpio-lpc32xx.c              | 118 ++++++++++++++++++-------------
 drivers/gpio/gpio-mxc.c                  |   9 +--
 drivers/gpio/gpio-pca953x.c              |  70 +++++++++---------
 include/linux/gpio/driver.h              |  27 +++----
 10 files changed, 149 insertions(+), 142 deletions(-)

Hi Bartosz,

I get some really serious merge conflicts from this (due to other patch from Yue), but I did my best to sort it out, let's hope it builds and runs... watch out for explosions :D

Yours,
Linus Walleij