linux-kernel - [PATCH v4 33/36] thunderbolt: Make __TB_[SW|PORT]

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Date:   Wed, 10 Apr 2019 16:36:50 +0300
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     linux-kernel@...r.kernel.org
Cc:     Michael Jamet <michael.jamet@...el.com>,
        Yehezkel Bernat <YehezkelShB@...il.com>,
        Andreas Noever <andreas.noever@...il.com>,
        Lukas Wunner <lukas@...ner.de>,
        "David S . Miller" <davem@...emloft.net>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Christian Kellner <ckellner@...hat.com>,
        Mario.Limonciello@...l.com, Joe Perches <joe@...ches.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        netdev@...r.kernel.org
Subject: [PATCH v4 33/36] thunderbolt: Make __TB_[SW|PORT]_PRINT take const parameters

The printing macros do not modify the passed object so make them
const. While there make tb_route() to take const parameter as well.

Signed-off-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
---
 drivers/thunderbolt/tb.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
index 119a00837992..15d225dcb403 100644
--- a/drivers/thunderbolt/tb.h
+++ b/drivers/thunderbolt/tb.h
@@ -320,7 +320,7 @@ static inline bool tb_is_upstream_port(const struct tb_port *port)
 	return port == upstream_port || port->dual_link_port == upstream_port;
 }
 
-static inline u64 tb_route(struct tb_switch *sw)
+static inline u64 tb_route(const struct tb_switch *sw)
 {
 	return ((u64) sw->config.route_hi) << 32 | sw->config.route_lo;
 }
@@ -442,7 +442,7 @@ static inline int tb_port_write(struct tb_port *port, const void *buffer,
 
 #define __TB_SW_PRINT(level, sw, fmt, arg...)           \
 	do {                                            \
-		struct tb_switch *__sw = (sw);          \
+		const struct tb_switch *__sw = (sw);    \
 		level(__sw->tb, "%llx: " fmt,           \
 		      tb_route(__sw), ## arg);          \
 	} while (0)
@@ -453,7 +453,7 @@ static inline int tb_port_write(struct tb_port *port, const void *buffer,
 
 #define __TB_PORT_PRINT(level, _port, fmt, arg...)                      \
 	do {                                                            \
-		struct tb_port *__port = (_port);                       \
+		const struct tb_port *__port = (_port);                 \
 		level(__port->sw->tb, "%llx:%x: " fmt,                  \
 		      tb_route(__port->sw), __port->port, ## arg);      \
 	} while (0)
-- 
2.20.1