From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
All users which store the MAC address in EEPROM now register relevant
nvmem cells. Switch to retrieving the MAC address over the nvmem
framework.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
---
drivers/net/ethernet/ti/davinci_emac.c | 29 +++++++++++++++++---------
1 file changed, 19 insertions(+), 10 deletions(-)
diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c
index a1a6445b5a7e..22c2322e46be 100644
--- a/drivers/net/ethernet/ti/davinci_emac.c
+++ b/drivers/net/ethernet/ti/davinci_emac.c
@@ -67,7 +67,7 @@
#include <linux/of_irq.h>
#include <linux/of_net.h>
#include <linux/mfd/syscon.h>
-
+#include <linux/nvmem-consumer.h>
#include <asm/irq.h>
#include <asm/page.h>
@@ -1696,7 +1696,6 @@ davinci_emac_of_get_pdata(struct platform_device *pdev, struct emac_priv *priv)
const struct of_device_id *match;
const struct emac_platform_data *auxdata;
struct emac_platform_data *pdata = NULL;
- const u8 *mac_addr;
if (!IS_ENABLED(CONFIG_OF) || !pdev->dev.of_node)
return dev_get_platdata(&pdev->dev);
@@ -1708,12 +1707,6 @@ davinci_emac_of_get_pdata(struct platform_device *pdev, struct emac_priv *priv)
np = pdev->dev.of_node;
pdata->version = EMAC_VERSION_2;
- if (!is_valid_ether_addr(pdata->mac_addr)) {
- mac_addr = of_get_mac_address(np);
- if (mac_addr)
- ether_addr_copy(pdata->mac_addr, mac_addr);
- }
-
of_property_read_u32(np, "ti,davinci-ctrl-reg-offset",
&pdata->ctrl_reg_offset);
@@ -1783,7 +1776,9 @@ static int davinci_emac_probe(struct platform_device *pdev)
struct cpdma_params dma_params;
struct clk *emac_clk;
unsigned long emac_bus_frequency;
-
+ struct nvmem_cell *cell;
+ void *mac_addr;
+ size_t mac_addr_len;
/* obtain emac clock from kernel */
emac_clk = devm_clk_get(&pdev->dev, NULL);
@@ -1815,8 +1810,22 @@ static int davinci_emac_probe(struct platform_device *pdev)
goto err_free_netdev;
}
+ cell = nvmem_cell_get(&pdev->dev, "mac-address");
+ if (!IS_ERR(cell)) {
+ mac_addr = nvmem_cell_read(cell, &mac_addr_len);
+ if (!IS_ERR(mac_addr)) {
+ if (is_valid_ether_addr(mac_addr)) {
+ dev_info(&pdev->dev,
+ "Read MAC addr from EEPROM: %pM\n",
+ mac_addr);
+ memcpy(priv->mac_addr, mac_addr, ETH_ALEN);
+ }
+ kfree(mac_addr);
+ }
+ nvmem_cell_put(cell);
+ }
+
/* MAC addr and PHY mask , RMII enable info from platform_data */
- memcpy(priv->mac_addr, pdata->mac_addr, ETH_ALEN);
priv->phy_id = pdata->phy_id;
priv->rmii_en = pdata->rmii_en;
priv->version = pdata->version;
--
2.17.1
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
