linux-kernel - Re: [PATCH] of/platform: Use dev_is_platform() to identify PCI devices

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Message-ID: <17b227d7-431a-4970-aec5-a0bd986d662a@linux.dev>
Date: Thu, 29 Aug 2024 09:37:08 +0800
From: Kunwu Chan <kunwu.chan@...ux.dev>
To: Rob Herring <robh@...nel.org>
Cc: saravanak@...gle.com, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, Kunwu Chan <chentao@...inos.cn>
Subject: Re: [PATCH] of/platform: Use dev_is_platform() to identify PCI
 devices

Thanks for the reply.
On 2024/8/28 23:08, Rob Herring wrote:
> On Tue, Aug 27, 2024 at 05:44:02PM +0800, Kunwu Chan wrote:
>> From: Kunwu Chan <chentao@...inos.cn>
> Subject - For PCI devices?
My bad, i'll change it in v2.
>> Use dev_is_platform() instead of checking bus type directly.
>>
>> Signed-off-by: Kunwu Chan <chentao@...inos.cn>
>> ---
>>   drivers/of/platform.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/of/platform.c b/drivers/of/platform.c
>> index 86be4dfb9323..3696140bae9e 100644
>> --- a/drivers/of/platform.c
>> +++ b/drivers/of/platform.c
>> @@ -625,7 +625,7 @@ int of_platform_device_destroy(struct device *dev, void *data)
>>   	of_node_clear_flag(dev->of_node, OF_POPULATED);
>>   	of_node_clear_flag(dev->of_node, OF_POPULATED_BUS);
>>   
>> -	if (dev->bus == &platform_bus_type)
>> +	if (dev_is_platform(dev))
>>   		platform_device_unregister(to_platform_device(dev));
>>   #ifdef CONFIG_ARM_AMBA
>>   	else if (dev->bus == &amba_bustype)
> Perhaps to keep things consistent, add a dev_is_amba() and use it here.
>
Sure, i'am doing this in [1], i'll send the v2 patch after change it in 
AMBA.

[1] https://lore.kernel.org/all/ZsiTPjtnZZIW-K4k@smile.fi.intel.com/

>> -- 
>> 2.41.0
>>
-- 
Thanks,
   Kunwu.Chan