linux-kernel - Re: [PATCH 3/9] drm/panfrost: handle error when allocating AS number

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Message-ID: <20241021160756.442e7e55@collabora.com>
Date: Mon, 21 Oct 2024 16:07:56 +0200
From: Boris Brezillon <boris.brezillon@...labora.com>
To: Adrián Larumbe <adrian.larumbe@...labora.com>
Cc: Rob Herring <robh@...nel.org>, Steven Price <steven.price@....com>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard
 <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, David Airlie
 <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, Philipp Zabel
 <p.zabel@...gutronix.de>, kernel@...labora.com,
 dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/9] drm/panfrost: handle error when allocating AS
 number

On Tue, 15 Oct 2024 00:31:38 +0100
Adrián Larumbe <adrian.larumbe@...labora.com> wrote:

> -u32 panfrost_mmu_as_get(struct panfrost_device *pfdev, struct panfrost_mmu *mmu)
> +int panfrost_mmu_as_get(struct panfrost_device *pfdev, struct panfrost_mmu *mmu, u32 *asi)

Or, we return an int that encodes the AS id when >= 0, and the error
code when < 0.

>  {
>  	int as;