[PATCH 2/2] net: emaclite: add barriers to support Xilinx Zynq platform
From: Srikanth Thokala <hidden>
Date: 2013-11-28 07:29:57
Also in:
netdev
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
This patch adds barriers at appropriate places to ensure the driver works on Xilinx Zynq ARM-based SoC platform. Signed-off-by: Srikanth Thokala <redacted> --- drivers/net/ethernet/xilinx/xilinx_emaclite.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
index 3a693a1..31b8b6c 100644
--- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c
+++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c@@ -220,6 +220,7 @@ static void xemaclite_aligned_write(void *src_ptr, u32 *dest_ptr, to_u16_ptr = (u16 *)&align_buffer; *to_u16_ptr++ = *from_u16_ptr++; *to_u16_ptr++ = *from_u16_ptr++; + wmb(); /* Output a word */ *to_u32_ptr++ = align_buffer;
@@ -236,6 +237,7 @@ static void xemaclite_aligned_write(void *src_ptr, u32 *dest_ptr, for (; length > 0; length--) *to_u8_ptr++ = *from_u8_ptr++; + wmb(); *to_u32_ptr = align_buffer; } }
--
1.8.2.GIT