From patchwork Fri Jun 20 11:08:15 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 898538 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 879F92836B4; Fri, 20 Jun 2025 11:08:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750417704; cv=none; b=iWz+Af9sshsreLnbQoz4LRfykxWKEanO9qAfgCVcT+bYvdmR3STNa8ST2i6EjkN8TQQzQ2nBN68DI3J+Ia95mBE3CHzKilrSIYlRF4BPPqNZ7E3alH8bbl8s4H/GOCL00pdUTyuOc3865O1MXKmYbpnjxT0y8UuYi5dqj82xvGM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750417704; c=relaxed/simple; bh=2NBxXKmqGGjyq6HMaYrlf7xajIm8cc3GiP94xNDB6i4=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version:Content-Type; b=auItk9ubjUXlrmzFNgpU4E2+0P9QIEWERMtyY5PEkGRgtoDTpUABEbBntdXs2/45bW4U9C09l+qCj65OtyVe9RcUjqpfAHBq+/mdE2m1pSdU4vC+Zg9JiOKJ1NrdK8zsGpDXq5kOnlXA5ShSsrIqa43u21TR4ZgFCkXPQW1jFcE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=LjjBf/5M; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="LjjBf/5M" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CFEA0C4CEE3; Fri, 20 Jun 2025 11:08:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1750417704; bh=2NBxXKmqGGjyq6HMaYrlf7xajIm8cc3GiP94xNDB6i4=; h=From:To:Cc:Subject:Date:From; b=LjjBf/5McKbcCoOOsrH1IiNv4wMUmIhLy9TFYTL6DdtVJMrOV2oRZ2ub3d6ihJ4WI Ff9lxErrcJvjmghr3M0coHjJk1a0mVBmq3mmxXpWPp1orJy9SzdZYds9LN0WIuMSJ7 2w9bEMNbyLPY19UxNq/hz+agFhQcEG8+3LItQa3jDaV9RxmRNWbmmQadxCycZ98vNP sOzxswfvaQ5A9HRpICFGpVOTPwrV2XtSCXGXMv54Tp/joSOuyhQ4a8km2rtWzP4q8t B0XyNTemjs4NKPjLqsmCBNU1PrKa4PrOw5T4zPqhFQnzltZop/JOCWtRBVcGyOPFLS objqki628vj2A== From: Arnd Bergmann To: Lee Jones , Pavel Machek Cc: Arnd Bergmann , Hans de Goede , linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] leds: trigger: ledtrig-cpu:: enforce NR_CPUS limit in Kconfig Date: Fri, 20 Jun 2025 13:08:15 +0200 Message-Id: <20250620110820.3364008-1-arnd@kernel.org> X-Mailer: git-send-email 2.39.5 Precedence: bulk X-Mailing-List: linux-leds@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Arnd Bergmann This driver fails build testing with larger values of CONFIG_NR_CPUS: drivers/leds/trigger/ledtrig-cpu.c: In function ‘ledtrig_cpu_init’: include/linux/compiler_types.h:571:45: error: call to ‘__compiletime_assert_726’ declared with attribute error: BUILD_BUG_ON failed: CONFIG_NR_CPUS > 9999 drivers/leds/trigger/ledtrig-cpu.c:137:9: note: in expansion of macro ‘BUILD_BUG_ON’ 137 | BUILD_BUG_ON(CONFIG_NR_CPUS > 9999); Enforce this limit in Kconfig instead to avoid the build failure. Signed-off-by: Arnd Bergmann --- drivers/leds/trigger/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/leds/trigger/Kconfig b/drivers/leds/trigger/Kconfig index c11282a74b5a..e07bd17cfe35 100644 --- a/drivers/leds/trigger/Kconfig +++ b/drivers/leds/trigger/Kconfig @@ -65,6 +65,7 @@ config LEDS_TRIGGER_BACKLIGHT config LEDS_TRIGGER_CPU bool "LED CPU Trigger" depends on !PREEMPT_RT + depends on NR_CPUS <= 9999 help This allows LEDs to be controlled by active CPUs. This shows the active CPUs across an array of LEDs so you can see which