Hi, On Mon, Jan 11, 2016 at 5:25 PM, Lee Jones <lee.jones@xxxxxxxxxx> wrote: > On Thu, 17 Dec 2015, Chen-Yu Tsai wrote: > >> The axp20x driver assumes the device is i2c based. This is not the >> case with later chips, which use a proprietary 2 wire serial bus >> by Allwinner called "Reduced Serial Bus". >> >> This patch follows the example of mfd/wm831x and splits it into >> an interface independent core, and an i2c specific glue layer. >> MFD_AXP20X and the new MFD_AXP20X_I2C are changed to tristate >> symbols, allowing the driver to be built as modules. >> >> Whitespace and other style errors in the moved i2c specific code >> have been fixed. Included but unused header files are removed as >> well. >> >> Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx> >> --- >> drivers/mfd/Kconfig | 14 ++++--- >> drivers/mfd/Makefile | 1 + >> drivers/mfd/axp20x-i2c.c | 102 +++++++++++++++++++++++++++++++++++++++++++++ >> drivers/mfd/axp20x.c | 88 +++++++------------------------------- >> include/linux/mfd/axp20x.h | 33 ++++++++++++++- >> 5 files changed, 158 insertions(+), 80 deletions(-) >> create mode 100644 drivers/mfd/axp20x-i2c.c > > Acked-by: Lee Jones <lee.jones@xxxxxxxxxx> > [..] >> diff --git a/drivers/mfd/axp20x-i2c.c b/drivers/mfd/axp20x-i2c.c >> new file mode 100644 >> index 000000000000..b54205677bb2 >> --- /dev/null >> +++ b/drivers/mfd/axp20x-i2c.c >> @@ -0,0 +1,102 @@ >> +/* >> + * axp20x-i2c.c - I2C driver for the X-Powers' Power Management ICs Do you want me to remove the filenames from these 2 files (axp20x.c and axp20x-i2c.c) as well? >> + * >> + * AXP20x typically comprises an adaptive USB-Compatible PWM charger, BUCK DC-DC >> + * converters, LDOs, multiple 12-bit ADCs of voltage, current and temperature >> + * as well as configurable GPIOs. >> + * >> + * This driver supports the I2C variants. >> + * >> + * Author: Carlo Caione <carlo@xxxxxxxxxx> Not sure about the copyright, since it's not mine. >> + * >> + * This program is free software; you can redistribute it and/or modify >> + * it under the terms of the GNU General Public License version 2 as >> + * published by the Free Software Foundation. >> + */ >> + [..] Regards ChenYu -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html