1 files changed, 33 insertions, 66 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ahb.c b/drivers/net/wireless/ath/ath9k/ahb.c
index 63019c3de034..802e6596a6a8 100644
--- a/drivers/net/wireless/ath/ath9k/ahb.c
+++ b/drivers/net/wireless/ath/ath9k/ahb.c
@@ -16,37 +16,21 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
 #include <linux/nl80211.h>
+#include <linux/of.h>
 #include <linux/platform_device.h>
-#include <linux/module.h>
-#include <linux/mod_devicetable.h>
+
 #include "ath9k.h"
 
-static const struct platform_device_id ath9k_platform_id_table[] = {
-	{
-		.name = "ath9k",
-		.driver_data = AR5416_AR9100_DEVID,
-	},
-	{
-		.name = "ar933x_wmac",
-		.driver_data = AR9300_DEVID_AR9330,
-	},
-	{
-		.name = "ar934x_wmac",
-		.driver_data = AR9300_DEVID_AR9340,
-	},
-	{
-		.name = "qca955x_wmac",
-		.driver_data = AR9300_DEVID_QCA955X,
-	},
-	{
-		.name = "qca953x_wmac",
-		.driver_data = AR9300_DEVID_AR953X,
-	},
-	{
-		.name = "qca956x_wmac",
-		.driver_data = AR9300_DEVID_QCA956X,
-	},
+static const struct of_device_id ath9k_of_match_table[] = {
+	{ .compatible = "qca,ar9130-wifi", .data = (void *)AR5416_AR9100_DEVID },
+	{ .compatible = "qca,ar9330-wifi", .data = (void *)AR9300_DEVID_AR9330 },
+	{ .compatible = "qca,ar9340-wifi", .data = (void *)AR9300_DEVID_AR9340 },
+	{ .compatible = "qca,qca9530-wifi", .data = (void *)AR9300_DEVID_AR953X },
+	{ .compatible = "qca,qca9550-wifi", .data = (void *)AR9300_DEVID_QCA955X },
+	{ .compatible = "qca,qca9560-wifi", .data = (void *)AR9300_DEVID_QCA956X },
 	{},
 };
 
@@ -71,40 +55,24 @@ static const struct ath_bus_ops ath_ahb_bus_ops  = {
 
 static int ath_ahb_probe(struct platform_device *pdev)
 {
-	void __iomem *mem;
-	struct ath_softc *sc;
 	struct ieee80211_hw *hw;
-	struct resource *res;
-	const struct platform_device_id *id = platform_get_device_id(pdev);
-	int irq;
-	int ret = 0;
+	struct ath_softc *sc;
 	struct ath_hw *ah;
+	void __iomem *mem;
 	char hw_name[64];
+	u16 dev_id;
+	int irq;
+	int ret;
 
-	if (!dev_get_platdata(&pdev->dev)) {
-		dev_err(&pdev->dev, "no platform data specified\n");
-		return -EINVAL;
-	}
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (res == NULL) {
-		dev_err(&pdev->dev, "no memory resource found\n");
-		return -ENXIO;
-	}
-
-	mem = devm_ioremap_nocache(&pdev->dev, res->start, resource_size(res));
-	if (mem == NULL) {
+	mem = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(mem)) {
 		dev_err(&pdev->dev, "ioremap failed\n");
-		return -ENOMEM;
-	}
-
-	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-	if (res == NULL) {
-		dev_err(&pdev->dev, "no IRQ resource found\n");
-		return -ENXIO;
+		return PTR_ERR(mem);
 	}
 
-	irq = res->start;
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0)
+		return irq;
 
 	ath9k_fill_chanctx_ops();
 	hw = ieee80211_alloc_hw(sizeof(struct ath_softc), &ath9k_ops);
@@ -128,7 +96,8 @@ static int ath_ahb_probe(struct platform_device *pdev)
 		goto err_free_hw;
 	}
 
-	ret = ath9k_init_device(id->driver_data, sc, &ath_ahb_bus_ops);
+	dev_id = (u16)(kernel_ulong_t)of_device_get_match_data(&pdev->dev);
+	ret = ath9k_init_device(dev_id, sc, &ath_ahb_bus_ops);
 	if (ret) {
 		dev_err(&pdev->dev, "failed to initialize device\n");
 		goto err_irq;
@@ -136,8 +105,8 @@ static int ath_ahb_probe(struct platform_device *pdev)
 
 	ah = sc->sc_ah;
 	ath9k_hw_name(ah, hw_name, sizeof(hw_name));
-	wiphy_info(hw->wiphy, "%s mem=0x%lx, irq=%d\n",
-		   hw_name, (unsigned long)mem, irq);
+	wiphy_info(hw->wiphy, "%s mem=0x%p, irq=%d\n",
+		   hw_name, mem, irq);
 
 	return 0;
 
@@ -148,7 +117,7 @@ static int ath_ahb_probe(struct platform_device *pdev)
 	return ret;
 }
 
-static int ath_ahb_remove(struct platform_device *pdev)
+static void ath_ahb_remove(struct platform_device *pdev)
 {
 	struct ieee80211_hw *hw = platform_get_drvdata(pdev);
 
@@ -159,20 +128,18 @@ static int ath_ahb_remove(struct platform_device *pdev)
 		free_irq(sc->irq, sc);
 		ieee80211_free_hw(sc->hw);
 	}
-
-	return 0;
 }
 
 static struct platform_driver ath_ahb_driver = {
-	.probe      = ath_ahb_probe,
-	.remove     = ath_ahb_remove,
-	.driver		= {
-		.name	= "ath9k",
+	.probe = ath_ahb_probe,
+	.remove = ath_ahb_remove,
+	.driver = {
+		.name = "ath9k",
+		.of_match_table = ath9k_of_match_table,
 	},
-	.id_table    = ath9k_platform_id_table,
 };
 
-MODULE_DEVICE_TABLE(platform, ath9k_platform_id_table);
+MODULE_DEVICE_TABLE(of, ath9k_of_match_table);
 
 int ath_ahb_init(void)
 {