linux-kernel - [RFC 2/4] ARM: imx: cpu: drop dead code

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Message-ID: <1579167145-1480-3-git-send-email-peng.fan@nxp.com>
Date:   Thu, 16 Jan 2020 09:36:53 +0000
From:   Peng Fan <peng.fan@....com>
To:     "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>
CC:     "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        dl-linux-imx <linux-imx@....com>,
        "allison@...utok.net" <allison@...utok.net>,
        "info@...ux.net" <info@...ux.net>,
        Anson Huang <anson.huang@....com>,
        Leonard Crestez <leonard.crestez@....com>,
        "git@...red.net" <git@...red.net>, Abel Vesa <abel.vesa@....com>,
        "ard.biesheuvel@...aro.org" <ard.biesheuvel@...aro.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Peng Fan <peng.fan@....com>
Subject: [RFC 2/4] ARM: imx: cpu: drop dead code

From: Peng Fan <peng.fan@....com>

imx_soc_device_init is only called by i.MX6Q/SL/SX/UL/7D/7ULP.
So we could drop the switch case for i.MX1/2/3/5 which are dead code
that never be executed.

Signed-off-by: Peng Fan <peng.fan@....com>
---
 arch/arm/mach-imx/cpu.c | 24 ------------------------
 1 file changed, 24 deletions(-)

diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c
index 2df649a84697..0302cb66134b 100644
--- a/arch/arm/mach-imx/cpu.c
+++ b/arch/arm/mach-imx/cpu.c
@@ -108,30 +108,6 @@ static int __init imx_soc_device_init(void)
 		goto free_soc;
 
 	switch (__mxc_cpu_type) {
-	case MXC_CPU_MX1:
-		soc_id = "i.MX1";
-		break;
-	case MXC_CPU_MX21:
-		soc_id = "i.MX21";
-		break;
-	case MXC_CPU_MX25:
-		soc_id = "i.MX25";
-		break;
-	case MXC_CPU_MX27:
-		soc_id = "i.MX27";
-		break;
-	case MXC_CPU_MX31:
-		soc_id = "i.MX31";
-		break;
-	case MXC_CPU_MX35:
-		soc_id = "i.MX35";
-		break;
-	case MXC_CPU_MX51:
-		soc_id = "i.MX51";
-		break;
-	case MXC_CPU_MX53:
-		soc_id = "i.MX53";
-		break;
 	case MXC_CPU_IMX6SL:
 		ocotp_compat = "fsl,imx6sl-ocotp";
 		soc_id = "i.MX6SL";
-- 
2.16.4