linux-kernel - [PATCH 1/1] usb/early: Remove trace

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Date:   Sat,  3 Jun 2017 17:15:06 +0800
From:   Lu Baolu <baolu.lu@...ux.intel.com>
To:     Ingo Molnar <mingo@...hat.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        peterz@...radead.org, tglx@...utronix.de,
        linux-usb@...r.kernel.org, x86@...nel.org,
        linux-kernel@...r.kernel.org, Lu Baolu <baolu.lu@...ux.intel.com>,
        Vlastimil Babka <vbabka.lkml@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>
Subject: [PATCH 1/1] usb/early: Remove trace_printk() callers in xhci-dbc

Trace_printk() was used to log debug messages in xhci-dbc.c where
printk() isn't feasible. As there should not be a single caller to
trace_printk() in normal kernels, replace them with empty functions.

Cc: Vlastimil Babka <vbabka.lkml@...il.com>
Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com>
---
 drivers/usb/early/xhci-dbc.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/usb/early/xhci-dbc.c b/drivers/usb/early/xhci-dbc.c
index 1268818..12fe70b 100644
--- a/drivers/usb/early/xhci-dbc.c
+++ b/drivers/usb/early/xhci-dbc.c
@@ -32,7 +32,6 @@
 static struct xdbc_state xdbc;
 static bool early_console_keep;
 
-#define XDBC_TRACE
 #ifdef XDBC_TRACE
 #define	xdbc_trace	trace_printk
 #else
-- 
2.7.4