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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-14 19:13:28 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-14 19:13:28 -0700 |
| commit | 11b397e6eb12191300ca19290f29f51f61118953 (patch) | |
| tree | 6e0f8cb52cbcdb02108755f3d643a025a943bd79 /arch/arm/mach-ep93xx/include/mach/uncompress.h | |
| parent | e1c969f7814dcd23bbfe8d777544321a492b6fee (diff) | |
| parent | 41ef2d5678d83af030125550329b6ae8b74618fa (diff) | |
| download | linux-next-11b397e6eb12191300ca19290f29f51f61118953.tar.gz | |
Merge 3.9-rc7 intp tty-next
We want the fixes here.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm/mach-ep93xx/include/mach/uncompress.h')
| -rw-r--r-- | arch/arm/mach-ep93xx/include/mach/uncompress.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/arm/mach-ep93xx/include/mach/uncompress.h b/arch/arm/mach-ep93xx/include/mach/uncompress.h index d2afb4dd82ab..b5cc77d2380b 100644 --- a/arch/arm/mach-ep93xx/include/mach/uncompress.h +++ b/arch/arm/mach-ep93xx/include/mach/uncompress.h @@ -47,9 +47,13 @@ static void __raw_writel(unsigned int value, unsigned int ptr) static inline void putc(int c) { - /* Transmit fifo not full? */ - while (__raw_readb(PHYS_UART_FLAG) & UART_FLAG_TXFF) - ; + int i; + + for (i = 0; i < 10000; i++) { + /* Transmit fifo not full? */ + if (!(__raw_readb(PHYS_UART_FLAG) & UART_FLAG_TXFF)) + break; + } __raw_writeb(c, PHYS_UART_DATA); } |