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path: root/drivers/net/wireless/ath/ath9k/ahb.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ahb.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/ahb.c84
1 files changed, 45 insertions, 39 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ahb.c b/drivers/net/wireless/ath/ath9k/ahb.c
index 1a984b02e9e..be3eb2a8d60 100644
--- a/drivers/net/wireless/ath/ath9k/ahb.c
+++ b/drivers/net/wireless/ath/ath9k/ahb.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008-2009 Atheros Communications Inc.
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
* Copyright (c) 2009 Gabor Juhos <juhosg@openwrt.org>
* Copyright (c) 2009 Imre Kaloz <kaloz@openwrt.org>
*
@@ -19,8 +19,33 @@
#include <linux/nl80211.h>
#include <linux/platform_device.h>
#include <linux/ath9k_platform.h>
+#include <linux/module.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,
+ },
+ {},
+};
+
/* return bus cachesize in 4B word units */
static void ath_ahb_read_cachesize(struct ath_common *common, int *csz)
{
@@ -33,12 +58,11 @@ static bool ath_ahb_eeprom_read(struct ath_common *common, u32 off, u16 *data)
struct platform_device *pdev = to_platform_device(sc->dev);
struct ath9k_platform_data *pdata;
- pdata = (struct ath9k_platform_data *) pdev->dev.platform_data;
+ pdata = dev_get_platdata(&pdev->dev);
if (off >= (ARRAY_SIZE(pdata->eeprom_data))) {
- ath_print(common, ATH_DBG_FATAL,
- "%s: flash read failed, offset %08x "
- "is out of range\n",
- __func__, off);
+ ath_err(common,
+ "%s: flash read failed, offset %08x is out of range\n",
+ __func__, off);
return false;
}
@@ -55,75 +79,62 @@ static struct ath_bus_ops ath_ahb_bus_ops = {
static int ath_ahb_probe(struct platform_device *pdev)
{
void __iomem *mem;
- struct ath_wiphy *aphy;
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_hw *ah;
char hw_name[64];
- if (!pdev->dev.platform_data) {
+ if (!dev_get_platdata(&pdev->dev)) {
dev_err(&pdev->dev, "no platform data specified\n");
- ret = -EINVAL;
- goto err_out;
+ return -EINVAL;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res == NULL) {
dev_err(&pdev->dev, "no memory resource found\n");
- ret = -ENXIO;
- goto err_out;
+ return -ENXIO;
}
- mem = ioremap_nocache(res->start, res->end - res->start + 1);
+ mem = devm_ioremap_nocache(&pdev->dev, res->start, resource_size(res));
if (mem == NULL) {
dev_err(&pdev->dev, "ioremap failed\n");
- ret = -ENOMEM;
- goto err_out;
+ return -ENOMEM;
}
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (res == NULL) {
dev_err(&pdev->dev, "no IRQ resource found\n");
- ret = -ENXIO;
- goto err_iounmap;
+ return -ENXIO;
}
irq = res->start;
- hw = ieee80211_alloc_hw(sizeof(struct ath_wiphy) +
- sizeof(struct ath_softc), &ath9k_ops);
+ hw = ieee80211_alloc_hw(sizeof(struct ath_softc), &ath9k_ops);
if (hw == NULL) {
dev_err(&pdev->dev, "no memory for ieee80211_hw\n");
- ret = -ENOMEM;
- goto err_iounmap;
+ return -ENOMEM;
}
SET_IEEE80211_DEV(hw, &pdev->dev);
platform_set_drvdata(pdev, hw);
- aphy = hw->priv;
- sc = (struct ath_softc *) (aphy + 1);
- aphy->sc = sc;
- aphy->hw = hw;
- sc->pri_wiphy = aphy;
+ sc = hw->priv;
sc->hw = hw;
sc->dev = &pdev->dev;
sc->mem = mem;
sc->irq = irq;
- /* Will be cleared in ath9k_start() */
- sc->sc_flags |= SC_OP_INVALID;
-
ret = request_irq(irq, ath_isr, IRQF_SHARED, "ath9k", sc);
if (ret) {
dev_err(&pdev->dev, "request_irq failed\n");
goto err_free_hw;
}
- ret = ath9k_init_device(AR5416_AR9100_DEVID, sc, 0x0, &ath_ahb_bus_ops);
+ ret = ath9k_init_device(id->driver_data, sc, &ath_ahb_bus_ops);
if (ret) {
dev_err(&pdev->dev, "failed to initialize device\n");
goto err_irq;
@@ -140,10 +151,6 @@ static int ath_ahb_probe(struct platform_device *pdev)
free_irq(irq, sc);
err_free_hw:
ieee80211_free_hw(hw);
- platform_set_drvdata(pdev, NULL);
- err_iounmap:
- iounmap(mem);
- err_out:
return ret;
}
@@ -152,15 +159,11 @@ static int ath_ahb_remove(struct platform_device *pdev)
struct ieee80211_hw *hw = platform_get_drvdata(pdev);
if (hw) {
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
- void __iomem *mem = sc->mem;
+ struct ath_softc *sc = hw->priv;
ath9k_deinit_device(sc);
free_irq(sc->irq, sc);
ieee80211_free_hw(sc->hw);
- iounmap(mem);
- platform_set_drvdata(pdev, NULL);
}
return 0;
@@ -173,8 +176,11 @@ static struct platform_driver ath_ahb_driver = {
.name = "ath9k",
.owner = THIS_MODULE,
},
+ .id_table = ath9k_platform_id_table,
};
+MODULE_DEVICE_TABLE(platform, ath9k_platform_id_table);
+
int ath_ahb_init(void)
{
return platform_driver_register(&ath_ahb_driver);