Re: [PATCH] mfd: twl6030-irq: Use of_device_get_match_data()

["Rosen Penev" <rosenp@gmail.com>]

On Sun May 17, 2026 at 10:46 PM PDT, Andreas Kemnade wrote:
> On Sun, 17 May 2026 21:15:58 -0700
> Rosen Penev <rosenp@gmail.com> wrote:
>
>> Use of_device_get_match_data() to fetch the IRQ mapping table directly instead of open-coding an of_match_device() lookup.
>>
>> This also lets the driver drop the of_device.h include.
>>
>> Assisted-by: Codex:GPT-5.5
>> Signed-off-by: Rosen Penev <rosenp@gmail.com>
>> ---
>>  drivers/mfd/twl6030-irq.c | 10 ++++------
>>  1 file changed, 4 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/mfd/twl6030-irq.c b/drivers/mfd/twl6030-irq.c
>> index 0ca00f618d4d..8831c81a1f90 100644
>> --- a/drivers/mfd/twl6030-irq.c
>> +++ b/drivers/mfd/twl6030-irq.c
>> @@ -27,7 +27,6 @@
>>  #include <linux/suspend.h>
>>  #include <linux/of.h>
>>  #include <linux/irqdomain.h>
>> -#include <linux/of_device.h>
>>
>>  #include "twl-core.h"
>>
>> @@ -293,10 +292,10 @@ int twl6030_init_irq(struct device *dev, int irq_num)
>>  	int			nr_irqs;
>>  	int			status;
>>  	u8			mask[3];
>> -	const struct of_device_id *of_id;
>> +	const int *irq_mapping_tbl;
>>
>> -	of_id = of_match_device(twl6030_of_match, dev);
>
> twl6030_of_match is used only here.
>
>> -	if (!of_id || !of_id->data) {
>> +	irq_mapping_tbl = of_device_get_match_data(dev);
>
> so how should of_device_get_match_data() know about it?
Ah looks like this is wrong.
>
> Regards,
> Andreas