From nobody Fri Dec 19 06:58:52 2025 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 0BF3043AB0; Sun, 24 Mar 2024 22:56:24 +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=1711320985; cv=none; b=RUHl5DkfhBDBstJGx9Z0ROfAjtNyKqzPPrXeMUff0uWmQ1sF047viHzia5JTKvu/3xi1EuACEtlvbGzp14k/IfOh1/TbJpNylEyQmF+ieBRKlAOAlhayc/WDWAvarxeqf44zIibZYwfMtQLiGtrKJg+TXwiJKkky/81M/SAZVb0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711320985; c=relaxed/simple; bh=iS69dq/pd8SlrD01dtvfdyyqdoXawocA1V9Wz7B0cRQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=NIKzjQyS30UYLnkti7Jea94KBkuvG4t1uNPOL0LQ4D5flxxoJqeoJYKQ8MDGPxpPGth1/gQKhajMpoPuaeCFoU6sLpkLmRNxWdgLazouCPM2e/zIL9jZ1ciPrjTswO/K/xpapnwVOYtbUYIYruHAstXotRBSNYmYr1T4tY7Lxpg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=HQSBTfKL; 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="HQSBTfKL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EFD17C433F1; Sun, 24 Mar 2024 22:56:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711320983; bh=iS69dq/pd8SlrD01dtvfdyyqdoXawocA1V9Wz7B0cRQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HQSBTfKLW3poM0g4olEcbSPSZg9tHKFnqHW5Yg//aXeRBIa+Mh7DqYIV9trhSRv/J GHyeDldBxcnEYNj9aT8D1D3SwLxXH8ThdNomnACu2znhVbH2O+/TeCH9cX02AlIQdg ZRd05kvJ2yLO/dvLRMGIiGVDFUZEkoFY4KHCYg3ZDFgCfWgP3m6VLTSKjZGc3CfQxN +CIi7L3Q+c4D9UHyod8wJ6S8oxXYVi4JG5A/Asn7Ql9SHCElKTGkWv28d/z7+/BY/y ds0RtGilpCzGn6ScKMXFFdwEnuZZ0pv6ZPbBAWZjMyGcftIP5KWNke8ncef6t1micN +Y2sL64R6oNWw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Thomas Zimmermann , Jani Nikula , Michael Ellerman , Sasha Levin Subject: [PATCH 6.7 547/713] arch/powerpc: Remove from backlight code Date: Sun, 24 Mar 2024 18:44:33 -0400 Message-ID: <20240324224720.1345309-548-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240324224720.1345309-1-sashal@kernel.org> References: <20240324224720.1345309-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Thomas Zimmermann [ Upstream commit 838f865802b9f26135ea7df4e30f89ac2f50c23e ] Replace with a forward declaration in to resolve an unnecessary dependency. Remove pmac_backlight_curve_lookup() and struct fb_info from source and header files. The function and the framebuffer struct are unused. No functional changes. v3: * Add Fixes tag (Christophe) * fix typos in commit message (Jani) Signed-off-by: Thomas Zimmermann Fixes: d565dd3b0824 ("[PATCH] powerpc: More via-pmu backlight fixes") Reviewed-by: Jani Nikula Acked-by: Michael Ellerman # (powerpc) Link: https://patchwork.freedesktop.org/patch/msgid/20240306122935.10626-4-= tzimmermann@suse.de Signed-off-by: Sasha Levin --- arch/powerpc/include/asm/backlight.h | 5 ++-- arch/powerpc/platforms/powermac/backlight.c | 26 --------------------- 2 files changed, 2 insertions(+), 29 deletions(-) diff --git a/arch/powerpc/include/asm/backlight.h b/arch/powerpc/include/as= m/backlight.h index 1b5eab62ed047..061a910d74929 100644 --- a/arch/powerpc/include/asm/backlight.h +++ b/arch/powerpc/include/asm/backlight.h @@ -10,15 +10,14 @@ #define __ASM_POWERPC_BACKLIGHT_H #ifdef __KERNEL__ =20 -#include #include =20 +struct backlight_device; + /* For locking instructions, see the implementation file */ extern struct backlight_device *pmac_backlight; extern struct mutex pmac_backlight_mutex; =20 -extern int pmac_backlight_curve_lookup(struct fb_info *info, int value); - extern int pmac_has_backlight_type(const char *type); =20 extern void pmac_backlight_key(int direction); diff --git a/arch/powerpc/platforms/powermac/backlight.c b/arch/powerpc/pla= tforms/powermac/backlight.c index aeb79a8b3e109..12bc01353bd3c 100644 --- a/arch/powerpc/platforms/powermac/backlight.c +++ b/arch/powerpc/platforms/powermac/backlight.c @@ -9,7 +9,6 @@ */ =20 #include -#include #include #include #include @@ -72,31 +71,6 @@ int pmac_has_backlight_type(const char *type) return 0; } =20 -int pmac_backlight_curve_lookup(struct fb_info *info, int value) -{ - int level =3D (FB_BACKLIGHT_LEVELS - 1); - - if (info && info->bl_dev) { - int i, max =3D 0; - - /* Look for biggest value */ - for (i =3D 0; i < FB_BACKLIGHT_LEVELS; i++) - max =3D max((int)info->bl_curve[i], max); - - /* Look for nearest value */ - for (i =3D 0; i < FB_BACKLIGHT_LEVELS; i++) { - int diff =3D abs(info->bl_curve[i] - value); - if (diff < max) { - max =3D diff; - level =3D i; - } - } - - } - - return level; -} - static void pmac_backlight_key_worker(struct work_struct *work) { if (atomic_read(&kernel_backlight_disabled)) --=20 2.43.0