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path: root/drivers/tty/serial/dz.c
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Diffstat (limited to 'drivers/tty/serial/dz.c')
-rw-r--r--drivers/tty/serial/dz.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/tty/serial/dz.c b/drivers/tty/serial/dz.c
index 7b57e840e255..4552742c3859 100644
--- a/drivers/tty/serial/dz.c
+++ b/drivers/tty/serial/dz.c
@@ -29,10 +29,6 @@
#undef DEBUG_DZ
-#if defined(CONFIG_SERIAL_DZ_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
-#define SUPPORT_SYSRQ
-#endif
-
#include <linux/bitops.h>
#include <linux/compiler.h>
#include <linux/console.h>
@@ -677,7 +673,7 @@ static void dz_release_port(struct uart_port *uport)
static int dz_map_port(struct uart_port *uport)
{
if (!uport->membase)
- uport->membase = ioremap_nocache(uport->mapbase,
+ uport->membase = ioremap(uport->mapbase,
dec_kn_slot_size);
if (!uport->membase) {
printk(KERN_ERR "dz: Cannot map MMIO\n");
@@ -787,6 +783,7 @@ static void __init dz_init_ports(void)
uport->ops = &dz_ops;
uport->line = line;
uport->mapbase = base;
+ uport->has_sysrq = IS_ENABLED(CONFIG_SERIAL_DZ_CONSOLE);
}
}