Re: [PATCH v8 0/5] mfd: tps65912: Driver rewrite with DT support

From: Lee Jones
Date: Thu Jan 28 2016 - 01:42:05 EST


Mark,

Just need your stamp for this to go in.

> In an effort to cleanup this driver and add Device Tree support
> the driver has been rewritten based on new driver styles and
> modern kernel driver helpers. This has nearly halved the lines
> of code while keeping all previous functionality.
>
> Platform file based initialization has been dropped as there is
> no examples of this use in the kernel.
>
> v1 can be found here: [1] v2: [2] v3: [3] v4: [4] v5: [5] v6: [6] v7: [7]
>
> Changes from v7:
> - Now complies with gpiolib changes
>
> Changes from v6:
> - Removed compatible strings from DT sub-nodes
> - Rearranged DT bindings
> - Small fixes
>
> Changes from v5:
> - Small formatting changes to DT Docs
> - Converted to_tps65912_gpio from macro to inline function
>
> Changes from v4:
> - Use mfd core to add sub-devices
>
> Changes from v3:
> - Reorganized regulator driver and related DT node
> - Other small fixes as discussed in v3 thread
>
> Changes from v2:
> - Split the series further into subsystems
>
> Changes from v1:
> - Split the rewrite into delete/create patches
> - Several small fixes as discussed in v1 thread
>
> [1] http://www.spinics.net/lists/devicetree/msg93863.html
> [2] http://www.spinics.net/lists/devicetree/msg95003.html
> [3] http://www.spinics.net/lists/devicetree/msg95133.html
> [4] http://www.spinics.net/lists/devicetree/msg96109.html
> [5] http://www.spinics.net/lists/devicetree/msg100601.html
> [6] https://lkml.org/lkml/2015/10/30/690
> [7] https://www.spinics.net/lists/linux-gpio/msg09710.html
>
> Andrew F. Davis (5):
> Documentation: tps65912: Add DT bindings for the TPS65912 PMIC
> mfd: tps65912: Remove old driver in preparation for new driver
> mfd: tps65912: Add driver for the TPS65912 PMIC
> regulator: tps65912: Add regulator driver for the TPS65912 PMIC
> gpio: tps65912: Add GPIO driver for the TPS65912 PMIC
>
> Documentation/devicetree/bindings/mfd/tps65912.txt | 50 ++
> drivers/gpio/Kconfig | 2 +-
> drivers/gpio/gpio-tps65912.c | 309 ++++-----
> drivers/mfd/Kconfig | 20 +-
> drivers/mfd/Makefile | 3 +-
> drivers/mfd/tps65912-core.c | 286 ++++-----
> drivers/mfd/tps65912-i2c.c | 218 +++----
> drivers/mfd/tps65912-irq.c | 217 -------
> drivers/mfd/tps65912-spi.c | 218 +++----
> drivers/regulator/Kconfig | 2 +-
> drivers/regulator/tps65912-regulator.c | 709 +++++----------------
> include/linux/mfd/tps65912.h | 209 +++---
> 12 files changed, 767 insertions(+), 1476 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/mfd/tps65912.txt
> rewrite drivers/gpio/gpio-tps65912.c (74%)
> rewrite drivers/mfd/tps65912-core.c (96%)
> rewrite drivers/mfd/tps65912-i2c.c (93%)
> delete mode 100644 drivers/mfd/tps65912-irq.c
> rewrite drivers/mfd/tps65912-spi.c (92%)
> rewrite drivers/regulator/tps65912-regulator.c (94%)
>

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog