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net: emaclite: Adopt clock support

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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@amd.com>
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/1728491303-1456171-4-git-send-email-radhey.shyam.pandey@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Abin Joseph
2024-10-09 21:58:23 +05:30
committed by Jakub Kicinski
parent 130fbea551
commit 76d46d766a
1 changed files with 7 additions and 0 deletions
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7
drivers/net/ethernet/xilinx/xilinx_emaclite.c
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@@ -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 +1129,11 @@ 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");