From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Fri, 15 Dec 2006 04:44:04 +0000 (+1100)
Subject: [POWERPC] iSeries: fix viocd init
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=31c72ad0d10b561e7e5f843747e7d0c1abf4d6f7;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

[POWERPC] iSeries: fix viocd init

Only initialise viocd on legacy iSeries.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
---

diff --git a/drivers/cdrom/viocd.c b/drivers/cdrom/viocd.c
index 54ca931e19ea..93fbf84dcc4a 100644
--- a/drivers/cdrom/viocd.c
+++ b/drivers/cdrom/viocd.c
@@ -47,6 +47,7 @@
 #include <asm/iseries/hv_types.h>
 #include <asm/iseries/hv_lp_event.h>
 #include <asm/iseries/vio.h>
+#include <asm/firmware.h>
 
 #define VIOCD_DEVICE			"iseries/vcd"
 
@@ -748,6 +749,9 @@ static int __init viocd_init(void)
 	struct proc_dir_entry *e;
 	int ret = 0;
 
+	if (!firmware_has_feature(FW_FEATURE_ISERIES))
+		return -ENODEV;
+
 	if (viopath_hostLp == HvLpIndexInvalid) {
 		vio_set_hostlp();
 		/* If we don't have a host, bail out */