summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorWang YanQing <udknight@gmail.com>2013-05-21 07:15:12 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-05-21 07:29:27 +0200
commit155957f56c3537dbb63bbb63c39067987c061a6d (patch)
treebe1947621ca0a310f21fd24c33f28b3dc0aa9a5d
parenttty: Add timed, writer-prioritized rw semaphore (diff)
downloadlinux-155957f56c3537dbb63bbb63c39067987c061a6d.tar.xz
linux-155957f56c3537dbb63bbb63c39067987c061a6d.zip
TTY:vt: convert remain take_over_console's users to do_take_over_console
Impact: 1:convert all remain take_over_console to do_take_over_console 2:update take_over_console to do_take_over_console in comment Commit dc9641895abb ("vt: delete unneeded functions register_con_driver|take_over_console") delete take_over_console, but forget to convert remain take_over_console's users to new API do_take_over_console, this patch fix it. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Wang YanQing <udknight@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--arch/alpha/kernel/console.c4
-rw-r--r--arch/alpha/kernel/process.c4
-rw-r--r--arch/mips/pci/pci-bcm1480.c4
-rw-r--r--arch/mips/pci/pci-sb1250.c4
-rw-r--r--arch/parisc/kernel/setup.c2
-rw-r--r--drivers/tty/vt/vt.c2
-rw-r--r--drivers/usb/misc/sisusbvga/sisusb_con.c18
-rw-r--r--drivers/video/console/fbcon.c2
-rw-r--r--drivers/video/console/mdacon.c8
-rw-r--r--drivers/video/console/newport_con.c9
-rw-r--r--drivers/video/console/sticon.c6
11 files changed, 43 insertions, 20 deletions
diff --git a/arch/alpha/kernel/console.c b/arch/alpha/kernel/console.c
index da711e37fc97..6a61deed4a85 100644
--- a/arch/alpha/kernel/console.c
+++ b/arch/alpha/kernel/console.c
@@ -61,7 +61,9 @@ locate_and_init_vga(void *(*sel_func)(void *, void *))
/* Set the VGA hose and init the new console. */
pci_vga_hose = hose;
- take_over_console(&vga_con, 0, MAX_NR_CONSOLES-1, 1);
+ console_lock();
+ do_take_over_console(&vga_con, 0, MAX_NR_CONSOLES-1, 1);
+ console_unlock();
}
void __init
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index ab80a80d38a2..f2360a74e5d5 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -117,7 +117,9 @@ common_shutdown_1(void *generic_ptr)
if (in_interrupt())
irq_exit();
/* This has the effect of resetting the VGA video origin. */
- take_over_console(&dummy_con, 0, MAX_NR_CONSOLES-1, 1);
+ console_lock();
+ do_take_over_console(&dummy_con, 0, MAX_NR_CONSOLES-1, 1);
+ console_unlock();
#endif
pci_restore_srm_config();
set_hae(srm_hae);
diff --git a/arch/mips/pci/pci-bcm1480.c b/arch/mips/pci/pci-bcm1480.c
index e2e69e1e9fe1..44dd5aa2e36f 100644
--- a/arch/mips/pci/pci-bcm1480.c
+++ b/arch/mips/pci/pci-bcm1480.c
@@ -257,7 +257,9 @@ static int __init bcm1480_pcibios_init(void)
register_pci_controller(&bcm1480_controller);
#ifdef CONFIG_VGA_CONSOLE
- take_over_console(&vga_con, 0, MAX_NR_CONSOLES-1, 1);
+ console_lock();
+ do_take_over_console(&vga_con, 0, MAX_NR_CONSOLES-1, 1);
+ console_unlock();
#endif
return 0;
}
diff --git a/arch/mips/pci/pci-sb1250.c b/arch/mips/pci/pci-sb1250.c
index cdefcc4cb8d4..fc634aeda4a5 100644
--- a/arch/mips/pci/pci-sb1250.c
+++ b/arch/mips/pci/pci-sb1250.c
@@ -283,7 +283,9 @@ static int __init sb1250_pcibios_init(void)
register_pci_controller(&sb1250_controller);
#ifdef CONFIG_VGA_CONSOLE
- take_over_console(&vga_con, 0, MAX_NR_CONSOLES - 1, 1);
+ console_lock();
+ do_take_over_console(&vga_con, 0, MAX_NR_CONSOLES - 1, 1);
+ console_unlock();
#endif
return 0;
}
diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c
index 76b63e726a53..60c1ae604876 100644
--- a/arch/parisc/kernel/setup.c
+++ b/arch/parisc/kernel/setup.c
@@ -155,7 +155,7 @@ void __init setup_arch(char **cmdline_p)
#endif
#if defined(CONFIG_VT) && defined(CONFIG_DUMMY_CONSOLE)
- conswitchp = &dummy_con; /* we use take_over_console() later ! */
+ conswitchp = &dummy_con; /* we use do_take_over_console() later ! */
#endif
}
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 405e1c90ada2..d4ba2ba78d13 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -3592,7 +3592,7 @@ EXPORT_SYMBOL_GPL(do_unregister_con_driver);
* when a driver wants to take over some existing consoles
* and become default driver for newly opened ones.
*
- * take_over_console is basically a register followed by unbind
+ * do_take_over_console is basically a register followed by unbind
*/
int do_take_over_console(const struct consw *csw, int first, int last, int deflt)
{
diff --git a/drivers/usb/misc/sisusbvga/sisusb_con.c b/drivers/usb/misc/sisusbvga/sisusb_con.c
index 411e605f448a..a638c4e9a947 100644
--- a/drivers/usb/misc/sisusbvga/sisusb_con.c
+++ b/drivers/usb/misc/sisusbvga/sisusb_con.c
@@ -208,7 +208,7 @@ sisusbcon_init(struct vc_data *c, int init)
struct sisusb_usb_data *sisusb;
int cols, rows;
- /* This is called by take_over_console(),
+ /* This is called by do_take_over_console(),
* ie by us/under our control. It is
* only called after text mode and fonts
* are set up/restored.
@@ -273,7 +273,7 @@ sisusbcon_deinit(struct vc_data *c)
struct sisusb_usb_data *sisusb;
int i;
- /* This is called by take_over_console()
+ /* This is called by do_take_over_console()
* and others, ie not under our control.
*/
@@ -1490,8 +1490,9 @@ sisusb_console_init(struct sisusb_usb_data *sisusb, int first, int last)
mutex_unlock(&sisusb->lock);
/* Now grab the desired console(s) */
- ret = take_over_console(&sisusb_con, first - 1, last - 1, 0);
-
+ console_lock();
+ ret = do_take_over_console(&sisusb_con, first - 1, last - 1, 0);
+ console_unlock();
if (!ret)
sisusb->haveconsole = 1;
else {
@@ -1535,11 +1536,14 @@ sisusb_console_exit(struct sisusb_usb_data *sisusb)
if (sisusb->haveconsole) {
for (i = 0; i < MAX_NR_CONSOLES; i++)
- if (sisusb->havethisconsole[i])
- take_over_console(&sisusb_dummy_con, i, i, 0);
+ if (sisusb->havethisconsole[i]) {
+ console_lock();
+ do_take_over_console(&sisusb_dummy_con, i, i, 0);
+ console_unlock();
/* At this point, con_deinit for all our
- * consoles is executed by take_over_console().
+ * consoles is executed by do_take_over_console().
*/
+ }
sisusb->haveconsole = 0;
}
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index a09c667c0c3d..d55b33757465 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -873,7 +873,7 @@ static int set_con2fb_map(int unit, int newidx, int user)
/*
* Low Level Operations
*/
-/* NOTE: fbcon cannot be __init: it may be called from take_over_console later */
+/* NOTE: fbcon cannot be __init: it may be called from do_take_over_console later */
static int var_to_display(struct display *disp,
struct fb_var_screeninfo *var,
struct fb_info *info)
diff --git a/drivers/video/console/mdacon.c b/drivers/video/console/mdacon.c
index 0b67866cae10..296e94561556 100644
--- a/drivers/video/console/mdacon.c
+++ b/drivers/video/console/mdacon.c
@@ -585,10 +585,14 @@ static const struct consw mda_con = {
int __init mda_console_init(void)
{
+ int err;
+
if (mda_first_vc > mda_last_vc)
return 1;
-
- return take_over_console(&mda_con, mda_first_vc-1, mda_last_vc-1, 0);
+ console_lock();
+ err = do_take_over_console(&mda_con, mda_first_vc-1, mda_last_vc-1, 0);
+ console_unlock();
+ return err;
}
static void __exit mda_console_exit(void)
diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c
index b05afd03729e..a6ab9299813c 100644
--- a/drivers/video/console/newport_con.c
+++ b/drivers/video/console/newport_con.c
@@ -297,7 +297,7 @@ static void newport_exit(void)
newport_set_def_font(i, NULL);
}
-/* Can't be __init, take_over_console may call it later */
+/* Can't be __init, do_take_over_console may call it later */
static const char *newport_startup(void)
{
int i;
@@ -746,6 +746,7 @@ static int newport_probe(struct gio_device *dev,
const struct gio_device_id *id)
{
unsigned long newport_addr;
+ int err;
if (!dev->resource.start)
return -EINVAL;
@@ -759,8 +760,10 @@ static int newport_probe(struct gio_device *dev,
npregs = (struct newport_regs *)/* ioremap cannot fail */
ioremap(newport_addr, sizeof(struct newport_regs));
-
- return take_over_console(&newport_con, 0, MAX_NR_CONSOLES - 1, 1);
+ console_lock();
+ err = do_take_over_console(&newport_con, 0, MAX_NR_CONSOLES - 1, 1);
+ console_unlock();
+ return err;
}
static void newport_remove(struct gio_device *dev)
diff --git a/drivers/video/console/sticon.c b/drivers/video/console/sticon.c
index 491c1c1baf4c..5f65ca3d8564 100644
--- a/drivers/video/console/sticon.c
+++ b/drivers/video/console/sticon.c
@@ -372,6 +372,7 @@ static const struct consw sti_con = {
static int __init sticonsole_init(void)
{
+ int err;
/* already initialized ? */
if (sticon_sti)
return 0;
@@ -382,7 +383,10 @@ static int __init sticonsole_init(void)
if (conswitchp == &dummy_con) {
printk(KERN_INFO "sticon: Initializing STI text console.\n");
- return take_over_console(&sti_con, 0, MAX_NR_CONSOLES - 1, 1);
+ console_lock();
+ err = do_take_over_console(&sti_con, 0, MAX_NR_CONSOLES - 1, 1);
+ console_unlock();
+ return err;
}
return 0;
}