From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751857AbcFFJl2 (ORCPT ); Mon, 6 Jun 2016 05:41:28 -0400 Received: from conuserg-07.nifty.com ([210.131.2.74]:34857 "EHLO conuserg-07.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751120AbcFFJlZ (ORCPT ); Mon, 6 Jun 2016 05:41:25 -0400 X-Greylist: delayed 18712 seconds by postgrey-1.27 at vger.kernel.org; Mon, 06 Jun 2016 05:41:25 EDT DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-07.nifty.com u569e1aG006920 X-Nifty-SrcIP: [153.142.97.92] From: Masahiro Yamada To: linux-serial@vger.kernel.org Cc: Arnd Bergmann , Peter Hurley , Rob Herring , Paul Burton , Greg Kroah-Hartman , Matthias Brugger , Masahiro Yamada , linux-kernel@vger.kernel.org, Jiri Slaby Subject: [PATCH 1/4] earlycon: mark earlycon code as __used iif the caller is built-in Date: Mon, 6 Jun 2016 18:41:00 +0900 Message-Id: <1465206063-1018-2-git-send-email-yamada.masahiro@socionext.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1465206063-1018-1-git-send-email-yamada.masahiro@socionext.com> References: <1465206063-1018-1-git-send-email-yamada.masahiro@socionext.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Keep earlycon related symbols only when CONFIG_SERIAL_EARLYCON is enabled and the driver is built-in. This will be helpful to clean up ifdefs surrounding earlycon code in serial drivers. Signed-off-by: Masahiro Yamada --- include/linux/serial_core.h | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index a3d7c0d..2f44e20 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -352,9 +352,15 @@ struct earlycon_id { extern const struct earlycon_id __earlycon_table[]; extern const struct earlycon_id __earlycon_table_end[]; +#if defined(CONFIG_SERIAL_EARLYCON) && !defined(MODULE) +#define EARLYCON_USED_OR_UNUSED __used +#else +#define EARLYCON_USED_OR_UNUSED __maybe_unused +#endif + #define OF_EARLYCON_DECLARE(_name, compat, fn) \ static const struct earlycon_id __UNIQUE_ID(__earlycon_##_name) \ - __used __section(__earlycon_table) \ + EARLYCON_USED_OR_UNUSED __section(__earlycon_table) \ = { .name = __stringify(_name), \ .compatible = compat, \ .setup = fn } -- 1.9.1