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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-24 17:22:31 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-24 17:22:31 -0700
commit8e44e4347735229b518cc02938c351428bcd7492 (patch)
treee2d7b5998fa8ad76948b2e11591f4534f06f7958 /drivers/char/hvc_console.h
parentNOMMU: Ignore mmap() address param as it is a hint (diff)
parentFix build of cpm_uart due to core changes (diff)
downloadlinux-dev-8e44e4347735229b518cc02938c351428bcd7492.tar.xz
linux-dev-8e44e4347735229b518cc02938c351428bcd7492.zip
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: Fix build of cpm_uart due to core changes powerpc/8xx: Fix regression introduced by cache coherency rewrite powerpc/4xx: Fix erroneous xmon warning on PowerPC 4xx powerpc/mm: Fix 40x and 8xx vs. _PAGE_SPECIAL powerpc: Cleanup linker script using new linker script macros. powerpc: Fix ibm,client-architecture-support printout powerpc: Increase NODES_SHIFT on 64bit from 4 to 8 powerpc/perf_counter: Fix vdso detection powerpc: Move 64bit heap above 1TB on machines with 1TB segments powerpc: Change archdata dma_data to a union powerpc: Rename get_dma_direct_offset get_dma_offset powerpc/mm: Remove duplicated #include powerpc/book3e-64: Remove duplicated #include powerpc: Check for unsupported relocs when using CONFIG_RELOCATABLE powerpc/pmc: Don't access lppaca on Book3E powerpc: kmalloc failure ignored in vio_build_iommu_table() hvc_console: Provide (un)locked version for hvc_resize()
Diffstat (limited to 'drivers/char/hvc_console.h')
-rw-r--r--drivers/char/hvc_console.h12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/char/hvc_console.h b/drivers/char/hvc_console.h
index 3c85d78c975c..10950ca706d8 100644
--- a/drivers/char/hvc_console.h
+++ b/drivers/char/hvc_console.h
@@ -28,6 +28,7 @@
#define HVC_CONSOLE_H
#include <linux/kref.h>
#include <linux/tty.h>
+#include <linux/spinlock.h>
/*
* This is the max number of console adapters that can/will be found as
@@ -88,7 +89,16 @@ int hvc_poll(struct hvc_struct *hp);
void hvc_kick(void);
/* Resize hvc tty terminal window */
-extern void hvc_resize(struct hvc_struct *hp, struct winsize ws);
+extern void __hvc_resize(struct hvc_struct *hp, struct winsize ws);
+
+static inline void hvc_resize(struct hvc_struct *hp, struct winsize ws)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&hp->lock, flags);
+ __hvc_resize(hp, ws);
+ spin_unlock_irqrestore(&hp->lock, flags);
+}
/* default notifier for irq based notification */
extern int notifier_add_irq(struct hvc_struct *hp, int data);