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-rw-r--r--arch/blackfin/cpu/serial.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/arch/blackfin/cpu/serial.c b/arch/blackfin/cpu/serial.c
index 650202e..b15c945 100644
--- a/arch/blackfin/cpu/serial.c
+++ b/arch/blackfin/cpu/serial.c
@@ -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;
}