From patchwork Wed Apr 8 20:27:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 11480855 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9FEDE15AB for ; Wed, 8 Apr 2020 20:28:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 869CE20753 for ; Wed, 8 Apr 2020 20:28:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730450AbgDHU1u (ORCPT ); Wed, 8 Apr 2020 16:27:50 -0400 Received: from mout.kundenserver.de ([212.227.126.187]:51203 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730438AbgDHU1u (ORCPT ); Wed, 8 Apr 2020 16:27:50 -0400 Received: from threadripper.lan ([149.172.19.189]) by mrelayeu.kundenserver.de (mreue010 [212.227.15.129]) with ESMTPA (Nemesis) id 1M1HqM-1jJXCV1zju-002p3H; Wed, 08 Apr 2020 22:27:21 +0200 From: Arnd Bergmann To: linux-kernel@vger.kernel.org, Masahiro Yamada , Nicolas Pitre Cc: Arnd Bergmann , Andrzej Hajda , Neil Armstrong , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , David Airlie , Daniel Vetter , Kieran Bingham , "David S. Miller" , Saeed Mahameed , Leon Romanovsky , dri-devel@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, netdev@vger.kernel.org, linux-rdma@vger.kernel.org Subject: [RFC 4/6] drm/bridge/sii8620: fix extcon dependency Date: Wed, 8 Apr 2020 22:27:09 +0200 Message-Id: <20200408202711.1198966-5-arnd@arndb.de> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200408202711.1198966-1-arnd@arndb.de> References: <20200408202711.1198966-1-arnd@arndb.de> MIME-Version: 1.0 X-Provags-ID: V03:K1:vV8vEqFFzBxDwbCUpevBksXzEnRG+4YylcxGZKW7vX+9eMNUg1m GTSrbKOi6FlzzBUHGBDpQR3uJHzbcRVL29ejotroODkZe9OPHSlxi90k/mXcQ4EwBxDqz+S fwAOPMaKXUvZqrRoIeRpqd1CCyTHjbL5K4harE/L5KNprHiRjOcSxfYcjG43V5CQGDOrMdP 0Zvp6NP7uN5f0uBgGxXEA== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:MptYX3yueAQ=:b885v6hNqw1kQDiue/weO6 uP+3VRcZwHepB7aNKzqTfmN4RuwxLKcd3Ykn79jFhPBxl2wZfHWApXes3mbeDb/x1w+Vf3eXo q9YEc9yKSSVlxROHdqCSWcymhLpZ2EDGCdvQbKoMGTtFXTirZiv2DAe3FnAWFufrzLccql5PD EHa10ti3QaaWQoWarrhnR+u9A33uYjAF35zBqi6jQol9OPXkKAlO5yJcEcD0jpkfo6GS81i5y kH+gPTPYH30Wr9WocW6L91lXSvOaqKNE3BzcyPFgUPkKZdEFM+dMi8tZl2HxIwzJA1XqcwFfi XrfEV0cIYSe2KcZozeoabmYbdGj6q/22WC5AsKTZZgalFOuOBF8wVGKu/2wC6RLZ9COX/CFeu 6W+gTiE6JSfyRpDVXLFq+HnzULwdyNoAEb9aJf3iXX2AjYYvaqyB/lzs4IWSfLtkGFp9HDRzt AqgANzoPqYHUQkhSHCS2jpi3VNEU1z3mj98JfTwXmrM5v9LhzBIuTMdDAgqLXUSCEdq7RhW3T XvOf7th7/rXNolz9+AOIiILyM7J3arHbaIfZhe23PnMVjW1r8ySVflQqck+e0e0zycDo0T/Bx YtLQLGldhMoefh+6y6apc8rGbDJpRnerakstMgLD3Xg4C3JBpOoFEMmWSTc0KwSjScvTdVbFZ N2d5HtbEJry0CQNPtNudp2FRAzOMVvxY6G+Tz19wbIEno35Y6FxB+s2evGed0xWIVvhi7fdjc QFRA5cQBDSRwNMPrqLXlIjX5+A+SX8eaXTCT/FampsaxQeRsv7tSnCQm+OMw67CNp7QNJOZOs HS8WJIHYn7I0p4NzUPVc9S0+juW29sTv81JFrBTxLetf8xRiNA= Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Using 'imply' does not work here, it still cause the same build failure: arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/sil-sii8620.o: in function `sii8620_remove': sil-sii8620.c:(.text+0x1b8): undefined reference to `extcon_unregister_notifier' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/sil-sii8620.o: in function `sii8620_probe': sil-sii8620.c:(.text+0x27e8): undefined reference to `extcon_find_edev_by_node' arm-linux-gnueabi-ld: sil-sii8620.c:(.text+0x2870): undefined reference to `extcon_register_notifier' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/sil-sii8620.o: in function `sii8620_extcon_work': sil-sii8620.c:(.text+0x2908): undefined reference to `extcon_get_state' I tried the usual 'depends on EXTCON || !EXTCON' logic, but that caused a circular Kconfig dependency. Using IS_REACHABLE() is ugly but works. Fixes: 7a109673899b ("drm/bridge/sii8620: add Kconfig dependency on extcon") Signed-off-by: Arnd Bergmann --- drivers/gpu/drm/bridge/Kconfig | 1 - drivers/gpu/drm/bridge/sil-sii8620.c | 5 +++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index aaed2347ace9..78e5ba06acff 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -90,7 +90,6 @@ config DRM_SIL_SII8620 tristate "Silicon Image SII8620 HDMI/MHL bridge" depends on OF select DRM_KMS_HELPER - imply EXTCON depends on RC_CORE || !RC_CORE help Silicon Image SII8620 HDMI/MHL bridge chip driver. diff --git a/drivers/gpu/drm/bridge/sil-sii8620.c b/drivers/gpu/drm/bridge/sil-sii8620.c index 92acd336aa89..94b6c38e6855 100644 --- a/drivers/gpu/drm/bridge/sil-sii8620.c +++ b/drivers/gpu/drm/bridge/sil-sii8620.c @@ -2330,7 +2330,8 @@ static int sii8620_probe(struct i2c_client *client, if (ret) return ret; - ret = sii8620_extcon_init(ctx); + if (IS_REACHABLE(CONFIG_EXTCON)) + ret = sii8620_extcon_init(ctx); if (ret < 0) { dev_err(ctx->dev, "failed to initialize EXTCON\n"); return ret; @@ -2352,7 +2353,7 @@ static int sii8620_remove(struct i2c_client *client) { struct sii8620 *ctx = i2c_get_clientdata(client); - if (ctx->extcon) { + if (IS_REACHABLE(CONFIG_EXTCON) && ctx->extcon) { extcon_unregister_notifier(ctx->extcon, EXTCON_DISP_MHL, &ctx->extcon_nb); flush_work(&ctx->extcon_wq);