From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Date: Tue, 31 Mar 2009 23:40:05 +0000 (+0400)
Subject: [ARM] pxa/csb701: do not register devices on non-csb726 boads
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=675b5d869fe8f6f9cdb3c6758228f211fb1773e6;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

[ARM] pxa/csb701: do not register devices on non-csb726 boads

csb701 driver can currently only be used on csb726 boards,
limit the csb701 devices registration to csb726 board.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
---

diff --git a/arch/arm/mach-pxa/csb701.c b/arch/arm/mach-pxa/csb701.c
index 4a2a2952c374..5a221a49ea4d 100644
--- a/arch/arm/mach-pxa/csb701.c
+++ b/arch/arm/mach-pxa/csb701.c
@@ -5,6 +5,8 @@
 #include <linux/input.h>
 #include <linux/leds.h>
 
+#include <asm/mach-types.h>
+
 static struct gpio_keys_button csb701_buttons[] = {
 	{
 		.code	= 0x7,
@@ -54,6 +56,9 @@ static struct platform_device *devices[] __initdata = {
 
 static int __init csb701_init(void)
 {
+	if (!machine_is_csb726())
+		return -ENODEV;
+
 	return platform_add_devices(devices, ARRAY_SIZE(devices));
 }