linux-kernel - Re: [PATCH v10 01/10] power: reset: reboot-mode: Add device tree node-based registration

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Message-ID: <08a0b50c-76e3-5c34-22b0-74b8d20c8e63@oss.qualcomm.com>
Date: Tue, 15 Jul 2025 10:17:41 +0530
From: Shivendra Pratap <shivendra.pratap@....qualcomm.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Cc: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
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Subject: Re: [PATCH v10 01/10] power: reset: reboot-mode: Add device tree
 node-based registration



On 7/15/2025 4:41 AM, Dmitry Baryshkov wrote:
> On Thu, Jul 10, 2025 at 02:45:43PM +0530, Shivendra Pratap wrote:
>> The reboot-mode driver does not have a strict requirement for
>> device-based registration. It primarily uses the device's of_node
>> to read mode-<cmd> properties and the device pointer for logging.
>>
>> Remove the dependency on struct device and introduce support for
>> Device Tree (DT) node-based registration. This enables drivers
>> that are not associated with a struct device to leverage the
>> reboot-mode framework.
>>
>> Signed-off-by: Shivendra Pratap <shivendra.pratap@....qualcomm.com>
>> ---
>>  drivers/power/reset/reboot-mode.c | 23 +++++++++++++----------
>>  include/linux/reboot-mode.h       |  2 +-
>>  2 files changed, 14 insertions(+), 11 deletions(-)
>>
>> diff --git a/drivers/power/reset/reboot-mode.c b/drivers/power/reset/reboot-mode.c
>> index fba53f638da04655e756b5f8b7d2d666d1379535..61f647b23959789a313f3af0bd967abcad45fa43 100644
>> --- a/drivers/power/reset/reboot-mode.c
>> +++ b/drivers/power/reset/reboot-mode.c
>> @@ -12,6 +12,7 @@
>>  #include <linux/reboot-mode.h>
>>  
>>  #define PREFIX "mode-"
>> +#define pr_fmt(fmt)	"reboot-mode: " fmt
> 
> This wasn't really tested. If I remember correctly, it should be defined
> before the first include.
yes. fixing this in next patch.
> 
>>  
>>  struct mode_info {
>>  	const char *mode;
>