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Date: Tue, 18 Jul 2023 19:00:22 -0700
From: Jakub Kicinski <kuba@kernel.org>
To: Matt Johnston <matt@codeconstruct.com.au>
Cc: linux-i3c@lists.infradead.org, netdev@vger.kernel.org,
 devicetree@vger.kernel.org, "David S. Miller" <davem@davemloft.net>, Paolo
 Abeni <pabeni@redhat.com>, Jeremy Kerr <jk@codeconstruct.com.au>, Alexandre
 Belloni <alexandre.belloni@bootlin.com>, Rob Herring <robh+dt@kernel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley
 <conor+dt@kernel.org>
Subject: Re: [PATCH net-next v2 3/3] mctp i3c: MCTP I3C driver
Message-ID: <20230718190022.66268d21@kernel.org>
In-Reply-To: <20230717040638.1292536-4-matt@codeconstruct.com.au>
References: <20230717040638.1292536-1-matt@codeconstruct.com.au>
	<20230717040638.1292536-4-matt@codeconstruct.com.au>
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On Mon, 17 Jul 2023 12:06:38 +0800 Matt Johnston wrote:
> +/* Returns the 48 bit Provisioned Id from an i3c_device_info.pid */
> +static void pid_to_addr(u64 pid, u8 addr[PID_SIZE])
> +{
> +	pid = cpu_to_be64(pid);
> +	memcpy(addr, ((u8 *)&pid) + 2, PID_SIZE);
> +}

put_unaligned_be48() ? That or you need a local variable or something,
because otherwise sparse is not happy (build test with C=1).