linux-kernel - Re: [PATCH v9 27/28] media: iris: enable video driver probe of SM8250 SoC

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Message-ID: <20241223113027.21b8f7ab@foz.lan>
Date: Mon, 23 Dec 2024 11:30:27 +0100
From: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To: Dikshita Agarwal <quic_dikshita@...cinc.com>, Sebastian Fricke
 <sebastian.fricke@...labora.com>
Cc: Vikash Garodia <quic_vgarodia@...cinc.com>, Abhinav Kumar
 <quic_abhinavk@...cinc.com>, Mauro Carvalho Chehab <mchehab@...nel.org>,
 "Rob Herring" <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 "Conor Dooley" <conor+dt@...nel.org>, Philipp Zabel
 <p.zabel@...gutronix.de>, Hans Verkuil <hverkuil@...all.nl>, Bryan
 O'Donoghue <bryan.odonoghue@...aro.org>, Dmitry Baryshkov
 <dmitry.baryshkov@...aro.org>, Neil Armstrong <neil.armstrong@...aro.org>,
 Nicolas Dufresne <nicolas@...fresne.ca>, Uwe Kleine-König <u.kleine-koenig@...libre.com>, Jianhua Lu
 <lujianhua000@...il.com>, "Stefan Schmidt" <stefan.schmidt@...aro.org>,
 <linux-media@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
 <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v9 27/28] media: iris: enable video driver probe of
 SM8250 SoC

Em Thu, 12 Dec 2024 17:21:49 +0530
Dikshita Agarwal <quic_dikshita@...cinc.com> escreveu:

> +	.dma_mask = GENMASK(31, 29) - 1,

Setting a mask to GENMASK() - 1 sounds weird. Is it really what you want?
I so, why?

Thanks,
Mauro