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Message-Id: <1453722324-22407-2-git-send-email-aleksey.makarov@linaro.org>
Date: Mon, 25 Jan 2016 17:45:21 +0600
From: Aleksey Makarov <aleksey.makarov@...aro.org>
To: linux-acpi@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-serial@...r.kernel.org,
Aleksey Makarov <aleksey.makarov@...aro.org>,
Graeme Gregory <graeme.gregory@...aro.org>,
Russell King <linux@....linux.org.uk>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
"Rafael J . Wysocki" <rjw@...ysocki.net>,
Leif Lindholm <leif.lindholm@...aro.org>
Subject: [PATCH 1/3] printk: make preferred_console local static bool
The variable preferred_console is used only inside register_console()
and it's semantics is boolean. Make it clear.
Signed-off-by: Aleksey Makarov <aleksey.makarov@...aro.org>
---
kernel/printk/printk.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 2ce8826..37e531f 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -143,7 +143,6 @@ static struct console *exclusive_console;
static struct console_cmdline console_cmdline[MAX_CMDLINECONSOLES];
static int selected_console = -1;
-static int preferred_console = -1;
int console_set_on_cmdline;
EXPORT_SYMBOL(console_set_on_cmdline);
@@ -2456,6 +2455,7 @@ void register_console(struct console *newcon)
unsigned long flags;
struct console *bcon = NULL;
struct console_cmdline *c;
+ static bool preferred_console;
if (console_drivers)
for_each_console(bcon)
@@ -2482,15 +2482,15 @@ void register_console(struct console *newcon)
if (console_drivers && console_drivers->flags & CON_BOOT)
bcon = console_drivers;
- if (preferred_console < 0 || bcon || !console_drivers)
- preferred_console = selected_console;
+ if (!preferred_console || bcon || !console_drivers)
+ preferred_console = selected_console >= 0;
/*
* See if we want to use this console driver. If we
* didn't select a console we take the first one
* that registers here.
*/
- if (preferred_console < 0) {
+ if (!preferred_console) {
if (newcon->index < 0)
newcon->index = 0;
if (newcon->setup == NULL ||
@@ -2498,7 +2498,7 @@ void register_console(struct console *newcon)
newcon->flags |= CON_ENABLED;
if (newcon->device) {
newcon->flags |= CON_CONSDEV;
- preferred_console = 0;
+ preferred_console = true;
}
}
}
@@ -2533,7 +2533,7 @@ void register_console(struct console *newcon)
newcon->flags |= CON_ENABLED;
if (i == selected_console) {
newcon->flags |= CON_CONSDEV;
- preferred_console = selected_console;
+ preferred_console = true;
}
break;
}
--
2.7.0
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