From: Abin Joseph <abin.joseph@xxxxxxx>
Adapt to use the clock framework. Add s_axi_aclk clock from the processor
bus clock domain and make clk optional to keep DTB backward compatibility.
Signed-off-by: Abin Joseph <abin.joseph@xxxxxxx>
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xxxxxxx>
---
drivers/net/ethernet/xilinx/xilinx_emaclite.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
index 13ac619df273..4f469eaffa07 100644
--- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c
+++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
@@ -7,6 +7,7 @@
* Copyright (c) 2007 - 2013 Xilinx, Inc.
*/
+#include <linux/clk.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/uaccess.h>
@@ -1091,6 +1092,7 @@ static int xemaclite_of_probe(struct platform_device *ofdev)
struct net_device *ndev = NULL;
struct net_local *lp = NULL;
struct device *dev = &ofdev->dev;
+ struct clk *clkin;
int rc = 0;
@@ -1127,6 +1129,12 @@ static int xemaclite_of_probe(struct platform_device *ofdev)
lp->tx_ping_pong = get_bool(ofdev, "xlnx,tx-ping-pong");
lp->rx_ping_pong = get_bool(ofdev, "xlnx,rx-ping-pong");
+ clkin = devm_clk_get_optional_enabled(&ofdev->dev, NULL);
+ if (IS_ERR(clkin)) {
+ return dev_err_probe(&ofdev->dev, PTR_ERR(clkin),
+ "Failed to get and enable clock from Device Tree\n");
+ }
+
rc = of_get_ethdev_address(ofdev->dev.of_node, ndev);
if (rc) {
dev_warn(dev, "No MAC address found, using random\n");
--
2.34.1
