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From: David Daney on 23 Jul 2010 21:50
The forthcoming watchdog driver will use it.

Signed-off-by: David Daney <ddaney(a)caviumnetworks.com>
---
arch/mips/cavium-octeon/setup.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index 6f36bc1..85a615a 100644
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -691,7 +691,10 @@ void __init plat_mem_setup(void)
"cvmx_bootmem_phy_alloc\n");
}

-
+/*
+ * Emit one character to the boot UART. Exported for use by the
+ * watchdog timer.
+ */
int prom_putchar(char c)
{
uint64_t lsrval;
@@ -705,6 +708,7 @@ int prom_putchar(char c)
cvmx_write_csr(CVMX_MIO_UARTX_THR(octeon_uart), c & 0xffull);
return 1;
}
+EXPORT_SYMBOL(prom_putchar);

void prom_free_prom_memory(void)
{
--
1.7.1.1

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