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[2403:580a:80ed:0:4835:5a07:49e7:f115]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2984dca0f28sm27386695ad.60.2025.11.12.03.18.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Nov 2025 03:18:11 -0800 (PST) From: James Calligeros Date: Wed, 12 Nov 2025 21:16:51 +1000 Subject: [PATCH v5 05/11] mfd: macsmc: Add new __SMC_KEY macro Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251112-macsmc-subdevs-v5-5-728e4b91fe81@gmail.com> References: <20251112-macsmc-subdevs-v5-0-728e4b91fe81@gmail.com> In-Reply-To: <20251112-macsmc-subdevs-v5-0-728e4b91fe81@gmail.com> To: Sven Peter , Janne Grunau , Alyssa Rosenzweig , Neal Gompa , Lee Jones , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alexandre Belloni , Jean Delvare , Guenter Roeck , Dmitry Torokhov , Jonathan Corbet , James Calligeros Cc: asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rtc@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-input@vger.kernel.org, linux-doc@vger.kernel.org X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=876; i=jcalligeros99@gmail.com; h=from:subject:message-id; bh=6q93RqE2TlCEUP2NwG3riu6HujLsBQ7xoREhizw4YE8=; b=owGbwMvMwCV2xczoYuD3ygTG02pJDJkiOUejzpjy/vkkvernsg0f1VocNBsYcmoPfGGcYNvqp 94524SxYyILgxgXg6WYIsuGJiGP2UZsN/tFKvfCzGFlAhkiLdLAAAQsDHy5iXmlRjpGeqbahnqG hjrGOkYMXJwCMNXqRgz//d6GbizPvxkYE//8vkPl+4R5pvWLTsfJFmx87tjWwd0lx8jQpZzsKay ZNaeq6ohQs4Oau4P32Xf26tccFrxZZXi3cwY7AA== X-Developer-Key: i=jcalligeros99@gmail.com; a=openpgp; fpr=B08212489B3206D98F1479BDD43632D151F77960 When using the _SMC_KEY macro in switch/case statements, GCC 15.2.1 errors out with 'case label does not reduce to an integer constant'. Introduce a new __SMC_KEY macro that can be used instead. Signed-off-by: James Calligeros --- include/linux/mfd/macsmc.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/mfd/macsmc.h b/include/linux/mfd/macsmc.h index 6b13f01a8592..f6f80c33b5cf 100644 --- a/include/linux/mfd/macsmc.h +++ b/include/linux/mfd/macsmc.h @@ -41,6 +41,7 @@ typedef u32 smc_key; */ #define SMC_KEY(s) (smc_key)(_SMC_KEY(#s)) #define _SMC_KEY(s) (((s)[0] << 24) | ((s)[1] << 16) | ((s)[2] << 8) | (s)[3]) +#define __SMC_KEY(a, b, c, d) (((u32)(a) << 24) | ((u32)(b) << 16) | ((u32)(c) << 8) | ((u32)(d))) #define APPLE_SMC_READABLE BIT(7) #define APPLE_SMC_WRITABLE BIT(6) -- 2.51.2