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ARM: S5PV210: Fix early uart output in fifo mode

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Enabling UART FIFO in bootloader caused the kernel infinite
loop on S5PV210 due to uninitialized fifo_max and fifo_mask global
variables. This patch adds the correct initialization.

Signed-off-by: Alexey Galakhov <agalakhov@gmail.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Alexey Galakhov 2013-02-08 13:44:43 -08:00 committed by Kukjin Kim
parent 1a4c2a1974
commit f0cdbdd6d8
1 changed files with 2 additions and 0 deletions
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2
arch/arm/mach-s5pv210/include/mach/uncompress.h
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@ -19,6 +19,8 @@
static void arch_detect_cpu(void) static void arch_detect_cpu(void)
{ {
/* we do not need to do any cpu detection here at the moment. */ /* we do not need to do any cpu detection here at the moment. */
fifo_mask = S5PV210_UFSTAT_TXMASK;
fifo_max = 63 << S5PV210_UFSTAT_TXSHIFT;
} }
#endif /* __ASM_ARCH_UNCOMPRESS_H */ #endif /* __ASM_ARCH_UNCOMPRESS_H */