linux-kernel - [PATCH V1 2/4] ARM: imx: cpu: drop dead code

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Date:   Thu, 12 Mar 2020 17:17:23 +0800
From:   peng.fan@....com
To:     shawnguo@...nel.org, s.hauer@...gutronix.de
Cc:     kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        allison@...utok.net, info@...ux.net, Anson.Huang@....com,
        leonard.crestez@....com, git@...red.net, abel.vesa@....com,
        ard.biesheuvel@...aro.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Peng Fan <peng.fan@....com>
Subject: [PATCH V1 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