diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ahb.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ahb.c | 115 |
1 files changed, 38 insertions, 77 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ahb.c b/drivers/net/wireless/ath/ath9k/ahb.c index 072e4b531067..802e6596a6a8 100644 --- a/drivers/net/wireless/ath/ath9k/ahb.c +++ b/drivers/net/wireless/ath/ath9k/ahb.c @@ -16,29 +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/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, - }, +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 }, {}, }; @@ -50,23 +42,12 @@ static void ath_ahb_read_cachesize(struct ath_common *common, int *csz) static bool ath_ahb_eeprom_read(struct ath_common *common, u32 off, u16 *data) { - struct ath_softc *sc = (struct ath_softc *)common->priv; - struct platform_device *pdev = to_platform_device(sc->dev); - struct ath9k_platform_data *pdata; - - pdata = (struct ath9k_platform_data *) pdev->dev.platform_data; - if (off >= (ARRAY_SIZE(pdata->eeprom_data))) { - ath_err(common, - "%s: flash read failed, offset %08x is out of range\n", - __func__, off); - return false; - } - - *data = pdata->eeprom_data[off]; - return true; + ath_err(common, "%s: eeprom data has to be provided externally\n", + __func__); + return false; } -static struct ath_bus_ops ath_ahb_bus_ops = { +static const struct ath_bus_ops ath_ahb_bus_ops = { .ath_bus_type = ATH_AHB, .read_cachesize = ath_ahb_read_cachesize, .eeprom_read = ath_ahb_eeprom_read, @@ -74,41 +55,26 @@ static 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 (!pdev->dev.platform_data) { - 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; + return PTR_ERR(mem); } - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (res == NULL) { - dev_err(&pdev->dev, "no IRQ resource found\n"); - return -ENXIO; - } - - 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); if (hw == NULL) { dev_err(&pdev->dev, "no memory for ieee80211_hw\n"); @@ -124,16 +90,14 @@ static int ath_ahb_probe(struct platform_device *pdev) sc->mem = mem; sc->irq = irq; - /* Will be cleared in ath9k_start() */ - set_bit(SC_OP_INVALID, &sc->sc_flags); - 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(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; @@ -141,8 +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; @@ -153,7 +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); @@ -164,21 +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", - .owner = THIS_MODULE, + .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) { |