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Blackfin: uart: move debug buffers into local bss

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There's no need for these saved buffers to be global symbols, or in
the data section.  So mark them static to move them into the bss.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger
2011-04-29 23:10:54 -04:00
parent 68d4230c3c
commit 34a6d0b84a
1 changed files with 3 additions and 8 deletions
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11
arch/blackfin/cpu/serial.c
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@@ -49,9 +49,9 @@ DECLARE_GLOBAL_DATA_PTR;
#include "serial.h"
#ifdef CONFIG_DEBUG_SERIAL
uint16_t cached_lsr[256];
uint16_t cached_rbr[256];
size_t cache_count;
static uint16_t cached_lsr[256];
static uint16_t cached_rbr[256];
static size_t cache_count;
/* The LSR is read-to-clear on some parts, so we have to make sure status
* bits aren't inadvertently lost when doing various tests. This also
@@ -112,11 +112,6 @@ int serial_init(void)
serial_initialize();
serial_setbrg();
uart_lsr_clear();
#ifdef CONFIG_DEBUG_SERIAL
cache_count = 0;
memset(cached_lsr, 0x00, sizeof(cached_lsr));
memset(cached_rbr, 0x00, sizeof(cached_rbr));
#endif
return 0;
}