Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755737AbdC2JbC (ORCPT ); Wed, 29 Mar 2017 05:31:02 -0400 Received: from mail-wr0-f193.google.com ([209.85.128.193]:34732 "EHLO mail-wr0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755664AbdC2Ja6 (ORCPT ); Wed, 29 Mar 2017 05:30:58 -0400 From: Tobias Regnery To: daniel.vetter@intel.com, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Cc: Tobias Regnery Subject: [PATCH] drm/i915: fix build error without CONFIG_BACKLIGHT_CLASS_DEVICE Date: Wed, 29 Mar 2017 11:27:22 +0200 Message-Id: <20170329092722.6352-1-tobias.regnery@gmail.com> X-Mailer: git-send-email 2.11.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1019 Lines: 29 With CONFIG_ACPI=n and CONFIG_BACKLIGHT_CLASS_DEVICE=n we see the following link error in the i915 driver: drivers/built-in.o: In function 'intel_backlight_device_register': (.text+0x2a921d): undefined reference to 'backlight_device_register' Fix this by removing the condition on ACPI from the appropriate select statement. Signed-off-by: Tobias Regnery --- drivers/gpu/drm/i915/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig index a5cd5dacf055..532df4bb9283 100644 --- a/drivers/gpu/drm/i915/Kconfig +++ b/drivers/gpu/drm/i915/Kconfig @@ -15,7 +15,7 @@ config DRM_I915 # i915 depends on ACPI_VIDEO when ACPI is enabled # but for select to work, need to select ACPI_VIDEO's dependencies, ick select BACKLIGHT_LCD_SUPPORT if ACPI - select BACKLIGHT_CLASS_DEVICE if ACPI + select BACKLIGHT_CLASS_DEVICE select INPUT if ACPI select ACPI_VIDEO if ACPI select ACPI_BUTTON if ACPI -- 2.11.0