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From: Andrei Stefanescu <andrei.stefanescu@oss.nxp.com>
To: Krzysztof Kozlowski <krzk@kernel.org>,
	Linus Walleij <linus.walleij@linaro.org>,
	Bartosz Golaszewski <brgl@bgdev.pl>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Chester Lin <chester62515@gmail.com>,
	Matthias Brugger <mbrugger@suse.com>,
	Ghennadi Procopciuc <Ghennadi.Procopciuc@nxp.com>,
	Larisa Grigore <larisa.grigore@nxp.com>
Cc: linux-gpio@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	NXP S32 Linux Team <s32@nxp.com>
Subject: Re: [PATCH 2/3] drivers: gpio: siul2-s32g2: add NXP S32G2/S32G3 SoCs support
Date: Mon, 26 Aug 2024 17:03:20 +0300	[thread overview]
Message-ID: <974b2f66-e855-4322-99ba-23cecd45c2c5@oss.nxp.com> (raw)
In-Reply-To: <fd18295c-6544-4da6-aab0-6d6b9c12581a@kernel.org>

Hi Krzysztof,

On 26/08/2024 12:10, Krzysztof Kozlowski wrote:
> On 26/08/2024 10:42, Andrei Stefanescu wrote:

Thank you for the quick review!

>> +	raw_spin_lock_init(&gpio_dev->lock);
> 
> Why do you use raw spin? Are you sure you need it (some people just
> replace it thinking this will help them in PREEMPT_RT without actually
> thinking if it is needed). IOW, do you have here irqchip anywhere?

I don't have an irqchip in this current patch series. There are, however,
other patches which add support for interrupts and implementations for
power management callbacks. I thought it would be easier for review if I
sent those after the current series gets merged.

>> +
>> +static const struct of_device_id siul2_gpio_dt_ids[] = {
>> +	{ .compatible = "nxp,s32g2-siul2-gpio", .data = &s32g2_device_data },
> 
> Why do you have match data? There are no other variants.


We do have another match data in our downstream version. Could I keep it
here or should I remove it?


I will fix the other comments in v2.

Best regards,
Andrei


  reply	other threads:[~2024-08-26 14:03 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-08-26  8:42 [PATCH 0/3] gpio: siul2-s32g2: add initial GPIO driver Andrei Stefanescu
2024-08-26  8:42 ` [PATCH 1/3] dt-bindings: gpio: add schema for NXP S32G2/S32G3 SoCs Andrei Stefanescu
2024-08-26  9:14   ` Krzysztof Kozlowski
2024-08-26  9:36   ` Krzysztof Kozlowski
2024-08-26  8:42 ` [PATCH 2/3] drivers: gpio: siul2-s32g2: add NXP S32G2/S32G3 SoCs support Andrei Stefanescu
2024-08-26  9:10   ` Krzysztof Kozlowski
2024-08-26 14:03     ` Andrei Stefanescu [this message]
2024-08-26 14:04       ` Krzysztof Kozlowski
2024-09-06  8:43     ` Andrei Stefanescu
2024-09-06  9:39       ` Krzysztof Kozlowski
2024-09-06  9:45         ` Andrei Stefanescu
2024-09-06  9:53           ` Krzysztof Kozlowski
2024-09-06 11:50             ` Andrei Stefanescu
2024-09-06 12:02               ` Krzysztof Kozlowski
2024-08-26  9:42   ` Linus Walleij
2024-08-26 14:03     ` Andrei Stefanescu
2024-08-26 14:06   ` Andrew Lunn
2024-08-27  2:23   ` kernel test robot
2024-08-27  4:38   ` kernel test robot
2024-08-26  8:42 ` [PATCH 3/3] MAINTAINERS: add MAINTAINER for S32G2 SIUL2 GPIO driver Andrei Stefanescu

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