On Mon, 28 Sep 2015, Andrew F. Davis wrote:
> On 09/25/2015 04:24 PM, Lee Jones wrote:
> >On Fri, 25 Sep 2015, Andrew F. Davis wrote:
> >
> >>On 09/25/2015 11:50 AM, Lee Jones wrote:
> >>>On Thu, 24 Sep 2015, Andrew F. Davis wrote:
> >>>
> >>>>This patch adds support for TPS65912 mfd device. It provides
> >>>>communication through the I2C and SPI interfaces. It contains
> >>>>the following components:
> >>>>
> >>>> - Regulators
> >>>> - GPIO controller
> >>>>
> >>>>Signed-off-by: Andrew F. Davis <afd@xxxxxx>
> >>>>---
> >>>> drivers/mfd/Kconfig | 24 +++
> >>>> drivers/mfd/Makefile | 3 +
> >>>> drivers/mfd/tps65912-core.c | 114 +++++++++++++
> >>>> drivers/mfd/tps65912-i2c.c | 86 ++++++++++
> >>>> drivers/mfd/tps65912-spi.c | 85 ++++++++++
> >>>> include/linux/mfd/tps65912.h | 393 +++++++++++++++++++++++++++++++++++++++++++
> >>>> 6 files changed, 705 insertions(+)
> >>>> create mode 100644 drivers/mfd/tps65912-core.c
> >>>> create mode 100644 drivers/mfd/tps65912-i2c.c
> >>>> create mode 100644 drivers/mfd/tps65912-spi.c
> >>>> create mode 100644 include/linux/mfd/tps65912.h
> >>>
> >>>[...]
> >>>
> >>>>+#define TPS65912_IRQ(_name, _reg, _offset) \
> >>>>+ [TPS65912_IRQ_ ## _name] = { \
> >>>>+ .mask = TPS65912_ ## _reg ## _ ## _name, \
> >>>>+ .reg_offset = _offset, \
> >>>>+ }
> >>>
> >>>I told you about this already.
> >>>
> >>>If you want this set to be merged for v4.3 then you'll need commit
> >>>b4fe8ba ("regmap: Add generic macro to define regmap_irq") from my
> >>>tree.
> >>
> >>You asked me to submit this to Mark Brown, I didn't realize you also
> >>wanted me to use the one in your tree. Using yours will make my lines
> >>over 80 chars and so it kind of defeats the purpose but I'll do it
> >>for v4.
> >
> >I asked two of you to upstream a generic incarnation of your
> >implementation. The other guy got there first. Now I want everyone
> >to use it instead of hand-rolling their own.
> >
>
> Got it.
>
> >>>[...]
> >>>
> >>>>+static struct i2c_driver tps65912_i2c_driver = {
> >>>>+ .driver = {
> >>>>+ .name = "tps65912",
> >>>>+ .of_match_table = tps65912_i2c_of_match_table,
> >>>
> >>>of_match_ptr()
> >>>
> >>
> >>Why? tps65912_i2c_of_match_table is always compiled in.
> >
> >But it needn't be.
> >
>
> This driver is DT only, would it make more sense to just add a dependency
> on CONFIG_OF in the Kconfig?
Yes, that is the alternitive.
> I don't see many other drivers that are DT
> only doing this, the driver should compile just fine without OF enabled,
> it just wont have DT functionality, so is it really dependent on OF?
Then it should be "depends on OF || COMPILE_TEST"
> The of_match_ptr(x) macro looks to be useful when the x is conditionally
> compiled in, but in my case the x (my of_device_id table) is always compiled.
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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