From d681bc9e649a6077bd91be39174e40bc498e6dd7 Mon Sep 17 00:00:00 2001
From: Justin Hibbits <jhibbits@FreeBSD.org>
Date: Tue, 24 Mar 2020 18:35:33 +0000
Subject: [PATCH] ismt: Fix ISMT_DESC_ADDR_RW macro, slave addresses are
 already left-shifted

Reverts r293369.  The macro was orginally correct, since our SMBus
framework, unlike i2c, already requires addresses to be 8-bit, LSB-cleared.

MFC after:	3 days
Sponsored by:	Juniper Networks, Inc
---
 sys/dev/ismt/ismt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/dev/ismt/ismt.c b/sys/dev/ismt/ismt.c
index 88cdaac2dfd..4cdec469b63 100644
--- a/sys/dev/ismt/ismt.c
+++ b/sys/dev/ismt/ismt.c
@@ -72,7 +72,7 @@ __FBSDID("$FreeBSD$");
 #define ISMT_DESC_LPR	0x80	/* Large Packet Received */
 
 /* Macros */
-#define ISMT_DESC_ADDR_RW(addr, is_read) ((addr << 1) | (is_read))
+#define ISMT_DESC_ADDR_RW(addr, is_read) ((addr) | (is_read))
 
 /* iSMT General Register address offsets (SMBBAR + <addr>) */
 #define ISMT_GR_GCTRL		0x000	/* General Control */