linux-kernel - Re: [PATCH v4 06/15] mfd: axp20x: Add support for AXP192

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Date:   Tue, 05 Jul 2022 15:26:32 +0100
From:   Aidan MacDonald <aidanmacdonald.0x0@...il.com>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     linus.walleij@...aro.org, brgl@...ev.pl, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, wens@...e.org, jic23@...nel.org,
        sre@...nel.org, lgirdwood@...il.com, broonie@...nel.org,
        lars@...afoo.de, quic_gurus@...cinc.com,
        sebastian.reichel@...labora.com, andy.shevchenko@...il.com,
        michael@...le.cc, rdunlap@...radead.org,
        linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org,
        linux-pm@...r.kernel.org
Subject: Re: [PATCH v4 06/15] mfd: axp20x: Add support for AXP192


Lee Jones <lee.jones@...aro.org> writes:

> On Wed, 29 Jun 2022, Aidan MacDonald wrote:
>
>> The AXP192 PMIC is similar to the AXP202/AXP209, but with different
>> regulators, additional GPIOs, and a different IRQ register layout.
>> 
>> Acked-for-MFD-by: Lee Jones <lee.jones@...aro.org>
>> Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@...il.com>
>> ---
>>  drivers/mfd/axp20x-i2c.c   |   2 +
>>  drivers/mfd/axp20x.c       | 152 +++++++++++++++++++++++++++++++++++++
>>  include/linux/mfd/axp20x.h |  84 ++++++++++++++++++++
>>  3 files changed, 238 insertions(+)
>> [...]
>> +static const struct regmap_irq_chip axp192_regmap_irq_chip = {
>> +	.name			= "axp192_irq_chip",
>> +	.status_base		= AXP192_IRQ1_STATE,
>> +	.ack_base		= AXP192_IRQ1_STATE,
>> +	.unmask_base		= AXP192_IRQ1_EN,
>> +	.init_ack_masked	= true,
>> +	.irqs			= axp192_regmap_irqs,
>> +	.num_irqs		= ARRAY_SIZE(axp192_regmap_irqs),
>> +	.num_regs		= 5,
>> +	.get_irq_reg		= axp192_get_irq_reg,
>
> Fix me:
>
> drivers/mfd/axp20x.c:634:35: error: initialization of 'unsigned int (*)(struct regmap_irq_chip_data *, unsigned int,  int)' from incompatible pointer type 'int (*)(unsigned int,  int)' [-Werror=incompatible-pointer-types]
>   634 |         .get_irq_reg            = axp192_get_irq_reg,
>       |                                   ^~~~~~~~~~~~~~~~~~
> drivers/mfd/axp20x.c:634:35: note: (near initialization for 'axp192_regmap_irq_chip.get_irq_reg')
>

This doesn't need fixing. You are missing the prerequisite patches.

-- snip --
Changes in v4:
* Drop regmap-irq patches and rebase on top of the regmap-irq
  refactoring series[1], which implements the same functionality.

[1]: https://lore.kernel.org/lkml/20220623211420.918875-1-aidanmacdonald.0x0@gmail.com/
-- snip --

Perhaps I wasn't clear enough that it was a dependency, sorry for
any confusion.

Regards,
Aidan