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Date: Thu, 28 Nov 2013 12:59:57 +0530 From: Srikanth Thokala <srikanth.thokala@...inx.com> To: <netdev@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org> CC: <davem@...emloft.net>, Michal Simek <michal.simek@...inx.com>, Srikanth Thokala <sthokal@...inx.com> Subject: [PATCH 2/2] net: emaclite: add barriers to support Xilinx Zynq platform This patch adds barriers at appropriate places to ensure the driver works on Xilinx Zynq ARM-based SoC platform. Signed-off-by: Srikanth Thokala <sthokal@...inx.com> --- 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 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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