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Subject[PATCH v4 2/4] macb: Kill PHY reset code
Date
From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>

With the phylib now being aware of the "reset-gpios" PHY node property,
there should be no need to frob the PHY reset in this driver anymore...

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
v4:
- Add Reviewed-by,

v3:
- Resolve rejects due to the file being renamed, refresh the patch,
- Add code to reset PHY on probe error,
- Edit patch description,
- Take over from Sergei,
- Add Acked-by,

v2:
- No changes.
---
drivers/net/ethernet/cadence/macb.h | 1 -
drivers/net/ethernet/cadence/macb_main.c | 21 ---------------------
2 files changed, 22 deletions(-)

diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h
index 3165c2ba58f97744..c50c5ec49b1dc585 100644
--- a/drivers/net/ethernet/cadence/macb.h
+++ b/drivers/net/ethernet/cadence/macb.h
@@ -1171,7 +1171,6 @@ struct macb {
unsigned int dma_burst_length;

phy_interface_t phy_interface;
- struct gpio_desc *reset_gpio;

/* AT91RM9200 transmit */
struct sk_buff *skb; /* holds skb until xmit interrupt completes */
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index c5fa87cdc6c401a7..3f0dfb20fdbcf936 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -3803,7 +3803,6 @@ static int macb_probe(struct platform_device *pdev)
= macb_config->clk_init;
int (*init)(struct platform_device *) = macb_config->init;
struct device_node *np = pdev->dev.of_node;
- struct device_node *phy_node;
struct clk *pclk, *hclk = NULL, *tx_clk = NULL, *rx_clk = NULL;
unsigned int queue_mask, num_queues;
struct macb_platform_data *pdata;
@@ -3909,18 +3908,6 @@ static int macb_probe(struct platform_device *pdev)
else
macb_get_hwaddr(bp);

- /* Power up the PHY if there is a GPIO reset */
- phy_node = of_get_next_available_child(np, NULL);
- if (phy_node) {
- int gpio = of_get_named_gpio(phy_node, "reset-gpios", 0);
-
- if (gpio_is_valid(gpio)) {
- bp->reset_gpio = gpio_to_desc(gpio);
- gpiod_direction_output(bp->reset_gpio, 1);
- }
- }
- of_node_put(phy_node);
-
err = of_get_phy_mode(np);
if (err < 0) {
pdata = dev_get_platdata(&pdev->dev);
@@ -3967,10 +3954,6 @@ static int macb_probe(struct platform_device *pdev)
of_phy_deregister_fixed_link(np);
mdiobus_free(bp->mii_bus);

- /* Shutdown the PHY if there is a GPIO reset */
- if (bp->reset_gpio)
- gpiod_set_value(bp->reset_gpio, 0);
-
err_out_free_netdev:
free_netdev(dev);

@@ -4001,10 +3984,6 @@ static int macb_remove(struct platform_device *pdev)
dev->phydev = NULL;
mdiobus_free(bp->mii_bus);

- /* Shutdown the PHY if there is a GPIO reset */
- if (bp->reset_gpio)
- gpiod_set_value(bp->reset_gpio, 0);
-
unregister_netdev(dev);
clk_disable_unprepare(bp->tx_clk);
clk_disable_unprepare(bp->hclk);
--
2.7.4
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