Return-path: Received: from mail-pg0-f65.google.com ([74.125.83.65]:34915 "EHLO mail-pg0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751813AbdGFQuP (ORCPT ); Thu, 6 Jul 2017 12:50:15 -0400 From: Arvind Yadav To: clement.perrochaud@effinnov.com, charles.gorand@effinnov.com, sameo@linux.intel.com Cc: linux-nfc@lists.01.org, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] nfc: nxp-nci: constify acpi_device_id. Date: Thu, 6 Jul 2017 22:20:00 +0530 Message-Id: <50b7d8e8b297f58a2db0e8fbcc13549666174245.1499359652.git.arvind.yadav.cs@gmail.com> (sfid-20170706_185052_645464_8B555C9B) Sender: linux-wireless-owner@vger.kernel.org List-ID: acpi_device_id are not supposed to change at runtime. All functions working with acpi_device_id provided by work with const acpi_device_id. So mark the non-const structs as const. File size before: text data bss dec hex filename 2208 400 0 2608 a30 drivers/nfc/nxp-nci/i2c.o File size After adding 'const': text data bss dec hex filename 2272 336 0 2608 a30 drivers/nfc/nxp-nci/i2c.o Signed-off-by: Arvind Yadav --- drivers/nfc/nxp-nci/i2c.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/nfc/nxp-nci/i2c.c b/drivers/nfc/nxp-nci/i2c.c index ff22d76..35d4fc5 100644 --- a/drivers/nfc/nxp-nci/i2c.c +++ b/drivers/nfc/nxp-nci/i2c.c @@ -407,7 +407,7 @@ static const struct of_device_id of_nxp_nci_i2c_match[] = { MODULE_DEVICE_TABLE(of, of_nxp_nci_i2c_match); #ifdef CONFIG_ACPI -static struct acpi_device_id acpi_id[] = { +static const struct acpi_device_id acpi_id[] = { { "NXP7471" }, { }, }; -- 2.7.4