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Message-ID: <20240605180553.GA2457302@thelio-3990X>
Date: Wed, 5 Jun 2024 11:05:53 -0700
From: Nathan Chancellor <nathan@...nel.org>
To: Abhinav Kumar <quic_abhinavk@...cinc.com>
Cc: freedreno@...ts.freedesktop.org, Rob Clark <robdclark@...il.com>,
Sean Paul <sean@...rly.run>,
Konrad Dybcio <konrad.dybcio@...aro.org>,
Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
Marijn Suijten <marijn.suijten@...ainline.org>,
David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
Connor Abbott <cwabbott0@...il.com>,
dri-devel@...ts.freedesktop.org, seanpaul@...omium.org,
quic_jesszhan@...cinc.com, Rob Clark <robdclark@...omium.org>,
linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] drm/msm/a6xx: use __unused__ to fix compiler warnings
for gen7_* includes
Hi Abhinav,
Just a drive by style comment.
On Tue, Jun 04, 2024 at 05:38:28PM -0700, Abhinav Kumar wrote:
> diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
> index 0a7717a4fc2f..a958e2b3c025 100644
> --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
> +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
> @@ -8,19 +8,15 @@
> #include "a6xx_gpu_state.h"
> #include "a6xx_gmu.xml.h"
>
> -/* Ignore diagnostics about register tables that we aren't using yet. We don't
> - * want to modify these headers too much from their original source.
> - */
> -#pragma GCC diagnostic push
> -#pragma GCC diagnostic ignored "-Wunused-variable"
> -#pragma GCC diagnostic ignored "-Wunused-const-variable"
> +static const unsigned int *gen7_0_0_external_core_regs[] __attribute((__unused__));
> +static const unsigned int *gen7_2_0_external_core_regs[] __attribute((__unused__));
> +static const unsigned int *gen7_9_0_external_core_regs[] __attribute((__unused__));
> +static struct gen7_sptp_cluster_registers gen7_9_0_sptp_clusters[] __attribute((__unused__));
Please do not open code attributes. This is available as either
'__always_unused' or '__maybe_unused', depending on the context.
checkpatch would have warned about this if it was '__attribute__'
instead of '__attribute'.
Cheers,
Nathan
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