From mboxrd@z Thu Jan 1 00:00:00 1970 From: lee.jones@linaro.org (Lee Jones) Date: Fri, 9 May 2014 12:24:55 +0100 Subject: [PATCH 04/10] mfd: vexpress: Define the device as MFD cells In-Reply-To: <1398707877-22596-5-git-send-email-pawel.moll@arm.com> References: <1398707877-22596-1-git-send-email-pawel.moll@arm.com> <1398707877-22596-5-git-send-email-pawel.moll@arm.com> Message-ID: <20140509112455.GU5767@lee--X1> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, 28 Apr 2014, Pawel Moll wrote: > This patch - finally, after over 6 months! :-( - addresses > Samuel's request to split the vexpress-sysreg driver into > smaller portions and define the device in a form of MFD > cells: > > * LEDs code has been completely removed and replaced with > "gpio-leds" nodes in the tree (referencing dedicated > GPIO subnodes in sysreg - bindings documentation updated); > this also better fits the reality as some variants of the > motherboard don't have all the LEDs populated > > * syscfg bridge code has been extracted into a separate > driver (placed in drivers/misc for no better place) > > * all the ID & MISC registers are defined as sysconf > making them available for other drivers should they need > to use them (and also to the user via /sys/kernel/debug/regmap > which can be helpful in platform debugging) > > Signed-off-by: Pawel Moll > --- > .../devicetree/bindings/arm/vexpress-sysreg.txt | 36 +- > arch/arm/boot/dts/vexpress-v2m-rs1.dtsi | 76 ++- > arch/arm/boot/dts/vexpress-v2m.dtsi | 76 ++- > arch/arm/mach-vexpress/ct-ca9x4.c | 2 +- > arch/arm/mach-vexpress/v2m.c | 15 +- > drivers/mfd/Kconfig | 15 +- > drivers/mfd/Makefile | 2 +- > drivers/mfd/vexpress-sysreg.c | 533 ++++++--------------- > drivers/misc/Kconfig | 9 + > drivers/misc/Makefile | 1 + > drivers/misc/vexpress-syscfg.c | 324 +++++++++++++ > include/linux/vexpress.h | 16 +- > 12 files changed, 667 insertions(+), 438 deletions(-) > create mode 100644 drivers/misc/vexpress-syscfg.c MFD changes look reasonable to me, and remove a hell of a lot of code. Acked-by: Lee Jones -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org ? Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog