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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-06-30 21:47:12 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-06-30 21:47:12 -0700 |
| commit | 05a8256c586ab75bcd6b793737b2022a1a98cb1e (patch) | |
| tree | 2f25fcae0d63a0bfbfa16d887eb518d8d5c226e2 /drivers/tty/hvc | |
| parent | 0161b6e0d88e04f54ada7112bb2dad1f3ae472af (diff) | |
| parent | 5316a64ce518f850afb0fca322b85b6dff3cb59f (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile
Pull arch/tile updates from Chris Metcalf:
"These are a grab bag of changes to improve debugging and respond to a
variety of issues raised on LKML over the last couple of months"
* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
tile: avoid a "label not used" warning in do_page_fault()
tile: vdso: use raw_read_seqcount_begin() in vdso
tile: force CONFIG_TILEGX if ARCH != tilepro
tile: improve stack backtrace
tile: fix "odd fault" warning for stack backtraces
tile: set up initial stack top to honor STACK_TOP_DELTA
tile: support delivering NMIs for multicore backtrace
drivers/tty/hvc/hvc_tile.c: properly return -EAGAIN
tile: add <asm/word-at-a-time.h> and enable support functions
tile: use READ_ONCE() in arch_spin_is_locked()
tile: modify arch_spin_unlock_wait() semantics
Diffstat (limited to 'drivers/tty/hvc')
| -rw-r--r-- | drivers/tty/hvc/hvc_tile.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/tty/hvc/hvc_tile.c b/drivers/tty/hvc/hvc_tile.c index 3f6cd3102db5..9da1e842bbe9 100644 --- a/drivers/tty/hvc/hvc_tile.c +++ b/drivers/tty/hvc/hvc_tile.c @@ -51,7 +51,8 @@ int tile_console_write(const char *buf, int count) _SIM_CONTROL_OPERATOR_BITS)); return 0; } else { - return hv_console_write((HV_VirtAddr)buf, count); + /* Translate 0 bytes written to EAGAIN for hvc_console_print. */ + return hv_console_write((HV_VirtAddr)buf, count) ?: -EAGAIN; } } |