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From:   Sebastian Reichel <sebastian.reichel@collabora.com>
To:     Sebastian Reichel <sre@kernel.org>,
        Liviu Dudau <liviu.dudau@arm.com>,
        Sudeep Holla <sudeep.holla@arm.com>,
        Lorenzo Pieralisi <lpieralisi@kernel.org>,
        Nathan Chancellor <nathan@kernel.org>,
        Nick Desaulniers <ndesaulniers@google.com>,
        Tom Rix <trix@redhat.com>,
        Justin Stitt <justinstitt@google.com>
Cc:     linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org, llvm@lists.linux.dev
In-Reply-To: <20230814-void-drivers-power-reset-vexpress-poweroff-v1-1-c3d9b0107e5d@google.com>
References: <20230814-void-drivers-power-reset-vexpress-poweroff-v1-1-c3d9b0107e5d@google.com>
Subject: Re: [PATCH] power: vexpress: fix -Wvoid-pointer-to-enum-cast
 warning
Message-Id: <169454277126.489158.9426280067711996461.b4-ty@collabora.com>
Date:   Tue, 12 Sep 2023 20:19:31 +0200
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On Mon, 14 Aug 2023 22:21:51 +0000, Justin Stitt wrote:
> When building with clang 18 I see the following warning:
> |       drivers/power/reset/vexpress-poweroff.c:124:10: warning: cast to smaller integer type 'enum vexpress_reset_func' from 'const void *' [-Wvoid-pointer-to-enum-cast]
> |         124 |         switch ((enum vexpress_reset_func)match->data) {
> 
> This is due to the fact that `match->data` is a void* while `enum vexpress_reset_func`
> has the size of an int. This leads to truncation and possible data loss.
> 
> [...]

Applied, thanks!

[1/1] power: vexpress: fix -Wvoid-pointer-to-enum-cast warning
      commit: 4ec7b666fb4247bc6b9cdc84fa753d8dc2994d25

Best regards,
-- 
Sebastian Reichel <sebastian.reichel@collabora.com>