Re: [RESEND PATCH v5 1/5] mfd: RK808: Add RK818 support

From: Wadim Egorov
Date: Thu Jun 09 2016 - 09:12:28 EST




On 09.06.2016 13:12, Lee Jones wrote:
> On Thu, 09 Jun 2016, Wadim Egorov wrote:
>> On 08.06.2016 16:17, Lee Jones wrote:
>>> On Thu, 02 Jun 2016, Wadim Egorov wrote:
>>>
>>>> The RK818 chip is a power management IC for multimedia and handheld
>>> "Power Management IC (PMIC)"
>>>
>>>> devices. It contains the following components:
>>>>
>>>> - Regulators
>>>> - RTC
>>>> - Clkout
>>> Clocking
>>>
>>>> - battery support
>>> Battery support
>>>
>>>> Both chips RK808 and RK818 are using a similar register map.
>>> "Both RK808 ad RK818 chips"
>>>
>>>> So we can reuse the RTC and Clkout functionality.
>>> Swap '.' for ','.
>>>
>>>> Signed-off-by: Wadim Egorov <w.egorov@xxxxxxxxx>
>>>> ---
>>>> drivers/mfd/Kconfig | 4 +-
>>>> drivers/mfd/rk808.c | 231 ++++++++++++++++++++++++++++++++++++++--------
>>>> include/linux/mfd/rk808.h | 162 ++++++++++++++++++++++++++++++--
>>>> 3 files changed, 350 insertions(+), 47 deletions(-)
> [...]
>
>>>> -struct rk808_reg_data {
>>>> - int addr;
>>>> - int mask;
>>>> - int value;
>>>> -};
>>> Why are you moving this to the header?
>> It is now part of the rk808 struct.
> Why?
>
For me it seemed reasonable. My idea was to have only one chip variant
check.

I can move the rk808_reg_data struct back to the c file, check for the
chip variant within the probe function and initialize the proper
reg_data variable.
This would also apply to the mfd_cell variables.