openwrt/target/linux/sunxi/patches-3.13/192-stmmac-use-platform-dat...

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From 34722924d416c3521de2bc8d10dfcd07a55135ea Mon Sep 17 00:00:00 2001
From: Chen-Yu Tsai <wens@csie.org>
Date: Sat, 7 Dec 2013 01:29:36 +0800
Subject: [PATCH] net: stmmac: Use platform data tied with compatible strings
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
---
.../net/ethernet/stmicro/stmmac/stmmac_platform.c | 29 ++++++++++++++--------
1 file changed, 19 insertions(+), 10 deletions(-)
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -26,8 +26,19 @@
#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_net.h>
+#include <linux/of_device.h>
#include "stmmac.h"
+static const struct of_device_id stmmac_dt_ids[] = {
+ { .compatible = "st,spear600-gmac"},
+ { .compatible = "snps,dwmac-3.610"},
+ { .compatible = "snps,dwmac-3.70a"},
+ { .compatible = "snps,dwmac-3.710"},
+ { .compatible = "snps,dwmac"},
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, stmmac_dt_ids);
+
#ifdef CONFIG_OF
static int stmmac_probe_config_dt(struct platform_device *pdev,
struct plat_stmmacenet_data *plat,
@@ -35,10 +46,18 @@ static int stmmac_probe_config_dt(struct
{
struct device_node *np = pdev->dev.of_node;
struct stmmac_dma_cfg *dma_cfg;
+ const struct of_device_id *device;
if (!np)
return -ENODEV;
+ device = of_match_device(stmmac_dt_ids, &pdev->dev);
+ if (!device)
+ return -ENODEV;
+
+ if (device->data)
+ memcpy(plat, device->data, sizeof(*plat));
+
*mac = of_get_mac_address(np);
plat->interface = of_get_phy_mode(np);
@@ -257,16 +276,6 @@ static const struct dev_pm_ops stmmac_pl
static const struct dev_pm_ops stmmac_pltfr_pm_ops;
#endif /* CONFIG_PM */
-static const struct of_device_id stmmac_dt_ids[] = {
- { .compatible = "st,spear600-gmac"},
- { .compatible = "snps,dwmac-3.610"},
- { .compatible = "snps,dwmac-3.70a"},
- { .compatible = "snps,dwmac-3.710"},
- { .compatible = "snps,dwmac"},
- { /* sentinel */ }
-};
-MODULE_DEVICE_TABLE(of, stmmac_dt_ids);
-
struct platform_driver stmmac_pltfr_driver = {
.probe = stmmac_pltfr_probe,
.remove = stmmac_pltfr_remove,