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ath79: ag71xx: Explicitly register mdio bus after ag71xx_hw_init() for ar7240

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mdio bus isn't a standalone device on ar7240. (and maybe older SoCs?)
Use simple-mfd for ar7241 and later SoCs to get mdio1 ready before gmac0
For ar7240 and older chips, manually create platform device after
ag71xx_hw_init() in ag71xx_probe()to get mdio0 ready between
ag71xx_hw_init() and ag71xx_phy_connect().

Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
This commit is contained in:
Chuanhong Guo 2018-07-24 21:23:04 +08:00 committed by John Crispin
parent 85189e4c00
commit f43e8f9004
1 changed files with 8 additions and 0 deletions
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8
target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
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@ -14,6 +14,7 @@
#include <linux/sizes.h>
#include <linux/of_net.h>
#include <linux/of_address.h>
#include <linux/of_platform.h>
#include "ag71xx.h"
#define AG71XX_DEFAULT_MSG_ENABLE \
@ -1273,6 +1274,7 @@ static const char *ag71xx_get_phy_if_mode_name(phy_interface_t mode)
static int ag71xx_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
struct device_node *mdio_node;
struct net_device *dev;
struct resource *res;
struct ag71xx *ag;
@ -1439,6 +1441,12 @@ static int ag71xx_probe(struct platform_device *pdev)
ag71xx_wr(ag, AG71XX_REG_MAC_CFG1, 0);
ag71xx_hw_init(ag);
if(!of_device_is_compatible(np, "simple-mfd")) {
mdio_node = of_get_child_by_name(np, "mdio-bus");
if(!IS_ERR(mdio_node))
of_platform_device_create(mdio_node, NULL, NULL);
}
err = ag71xx_phy_connect(ag);
if (err)
goto err_free;