net: dwc_eth_qos: Staticize eqos_inval_buffer_tegra186()

This function is only used within the driver, staticize it.

Fixes: 149e80f74b6 ("net: dwc_eth_qos: public some functions")
Signed-off-by: Marek Vasut <marex@denx.de>

diff --git a/drivers/net/dwc_eth_qos.c b/drivers/net/dwc_eth_qos.c
index b97b3ea..9a5575e 100644 (file)
--- a/drivers/net/dwc_eth_qos.c
+++ b/drivers/net/dwc_eth_qos.c
@@ -108,7 +108,7 @@ void eqos_flush_desc_generic(void *desc)
        flush_dcache_range(start, end);
 }
 
-void eqos_inval_buffer_tegra186(void *buf, size_t size)
+static void eqos_inval_buffer_tegra186(void *buf, size_t size)
 {
        unsigned long start = (unsigned long)buf & ~(ARCH_DMA_MINALIGN - 1);
        unsigned long end = ALIGN(start + size, ARCH_DMA_MINALIGN);