From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752910AbbCaWH2 (ORCPT ); Tue, 31 Mar 2015 18:07:28 -0400 Received: from mail-wi0-f176.google.com ([209.85.212.176]:37717 "EHLO mail-wi0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752142AbbCaWH1 (ORCPT ); Tue, 31 Mar 2015 18:07:27 -0400 From: Mark Einon To: x86@kernel.org Cc: tglx@linutronix.de, bp@alien8.de, linux-kernel@vger.kernel.org, mingo@redhat.com, hpa@zytor.com, stuart.r.anderson@intel.com, Mark Einon Subject: [PATCH v2] x86, earlyprintk: Fix two 'defined but not used' compile warnings Date: Tue, 31 Mar 2015 23:07:20 +0100 Message-Id: <1427839640-13584-1-git-send-email-mark.einon@gmail.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1427836812-7968-1-git-send-email-mark.einon@gmail.com> References: <1427836812-7968-1-git-send-email-mark.einon@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Two static functions are only used if CONFIG_PCI is defined,so only build them if this is the case. Fixes the build warnings: arch/x86/kernel/early_printk.c:98:13: warning: ‘mem32_serial_out’ defined but not used [-Wunused-function] static void mem32_serial_out(unsigned long addr, int offset, int value) ^ arch/x86/kernel/early_printk.c:105:21: warning: ‘mem32_serial_in’ defined but not used [-Wunused-function] static unsigned int mem32_serial_in(unsigned long addr, int offset) ^ Signed-off-by: Mark Einon --- v2 - Move code to another #ifdef instead of creating a new ifdef pair after comment by Borislav Petkov . arch/x86/kernel/early_printk.c | 34 ++++++++++++++++++++-------------- 1 file changed, 20 insertions(+), 14 deletions(-) diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c index f85e3fb..cb2bab2 100644 --- a/arch/x86/kernel/early_printk.c +++ b/arch/x86/kernel/early_printk.c @@ -95,20 +95,6 @@ static unsigned long early_serial_base = 0x3f8; /* ttyS0 */ #define DLL 0 /* Divisor Latch Low */ #define DLH 1 /* Divisor latch High */ -static void mem32_serial_out(unsigned long addr, int offset, int value) -{ - uint32_t *vaddr = (uint32_t *)addr; - /* shift implied by pointer type */ - writel(value, vaddr + offset); -} - -static unsigned int mem32_serial_in(unsigned long addr, int offset) -{ - uint32_t *vaddr = (uint32_t *)addr; - /* shift implied by pointer type */ - return readl(vaddr + offset); -} - static unsigned int io_serial_in(unsigned long addr, int offset) { return inb(addr + offset); @@ -205,6 +191,20 @@ static __init void early_serial_init(char *s) } #ifdef CONFIG_PCI +static void mem32_serial_out(unsigned long addr, int offset, int value) +{ + uint32_t *vaddr = (uint32_t *)addr; + /* shift implied by pointer type */ + writel(value, vaddr + offset); +} + +static unsigned int mem32_serial_in(unsigned long addr, int offset) +{ + uint32_t *vaddr = (uint32_t *)addr; + /* shift implied by pointer type */ + return readl(vaddr + offset); +} + /* * early_pci_serial_init() * @@ -375,6 +375,12 @@ static int __init setup_early_printk(char *buf) if (!strncmp(buf, "xen", 3)) early_console_register(&xenboot_console, keep); #endif +#ifdef CONFIG_EARLY_PRINTK_INTEL_MID + if (!strncmp(buf, "hsu", 3)) { + hsu_early_console_init(buf + 3); + early_console_register(&early_hsu_console, keep); + } +#endif #ifdef CONFIG_EARLY_PRINTK_EFI if (!strncmp(buf, "efi", 3)) early_console_register(&early_efi_console, keep); -- 2.1.4