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@@ -1,284 +1,68 @@
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--- a/drivers/net/wireless/ath/ath9k/ahb.c
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+++ b/drivers/net/wireless/ath/ath9k/ahb.c
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-@@ -20,7 +20,15 @@
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+@@ -20,6 +20,7 @@
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#include <linux/platform_device.h>
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#include <linux/module.h>
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#include <linux/mod_devicetable.h>
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+#include <linux/of_device.h>
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#include "ath9k.h"
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-+#include <linux/ath9k_platform.h>
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-+
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-+#ifdef CONFIG_OF
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-+#include <asm/mach-ath79/ath79.h>
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-+#include <asm/mach-ath79/ar71xx_regs.h>
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-+#include <linux/mtd/mtd.h>
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-+#endif
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static const struct platform_device_id ath9k_platform_id_table[] = {
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- {
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-@@ -69,6 +77,192 @@ static const struct ath_bus_ops ath_ahb_
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+@@ -69,21 +70,28 @@ static const struct ath_bus_ops ath_ahb_
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.eeprom_read = ath_ahb_eeprom_read,
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};
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-+#ifdef CONFIG_OF
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-+
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-+#define QCA955X_DDR_CTL_CONFIG 0x108
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-+#define QCA955X_DDR_CTL_CONFIG_ACT_WMAC BIT(23)
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-+
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-+static int ar913x_wmac_reset(void)
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-+{
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-+ ath79_device_reset_set(AR913X_RESET_AMBA2WMAC);
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-+ mdelay(10);
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-+
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-+ ath79_device_reset_clear(AR913X_RESET_AMBA2WMAC);
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-+ mdelay(10);
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-+
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-+ return 0;
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-+}
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-+
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-+static int ar933x_wmac_reset(void)
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-+{
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-+ int retries = 20;
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-+
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-+ ath79_device_reset_set(AR933X_RESET_WMAC);
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-+ ath79_device_reset_clear(AR933X_RESET_WMAC);
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-+
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-+ while (1) {
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-+ u32 bootstrap;
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-+
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-+ bootstrap = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP);
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-+ if ((bootstrap & AR933X_BOOTSTRAP_EEPBUSY) == 0)
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-+ return 0;
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-+
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-+ if (retries-- == 0)
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-+ break;
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-+
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-+ udelay(10000);
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-+ }
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-+
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-+ pr_err("ar933x: WMAC reset timed out");
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-+ return -ETIMEDOUT;
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-+}
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-+
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-+static int qca955x_wmac_reset(void)
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-+{
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-+ int i;
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-+
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-+ /* Try to wait for WMAC DDR activity to stop */
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-+ for (i = 0; i < 10; i++) {
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-+ if (!(__raw_readl(ath79_ddr_base + QCA955X_DDR_CTL_CONFIG) &
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-+ QCA955X_DDR_CTL_CONFIG_ACT_WMAC))
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-+ break;
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-+
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-+ udelay(10);
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-+ }
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-+
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-+ ath79_device_reset_set(QCA955X_RESET_RTC);
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-+ udelay(10);
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-+ ath79_device_reset_clear(QCA955X_RESET_RTC);
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-+ udelay(10);
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-+
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-+ return 0;
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-+}
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-+
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-+enum {
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-+ AR913X_WMAC = 0,
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-+ AR933X_WMAC,
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-+ AR934X_WMAC,
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-+ QCA953X_WMAC,
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-+ QCA955X_WMAC,
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-+ QCA956X_WMAC,
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-+};
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-+
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-+static int ar9330_get_soc_revision(void)
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-+{
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-+ if (ath79_soc_rev == 1)
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-+ return ath79_soc_rev;
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-+
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-+ return 0;
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-+}
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-+
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-+static int ath79_get_soc_revision(void)
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-+{
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-+ return ath79_soc_rev;
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-+}
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-+
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-+static const struct of_ath_ahb_data {
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-+ u16 dev_id;
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-+ u32 bootstrap_reg;
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-+ u32 bootstrap_ref;
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-+
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-+ int (*soc_revision)(void);
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-+ int (*wmac_reset)(void);
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-+} of_ath_ahb_data[] = {
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-+ [AR913X_WMAC] = {
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-+ .dev_id = AR5416_AR9100_DEVID,
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-+ .wmac_reset = ar913x_wmac_reset,
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-+
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-+ },
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-+ [AR933X_WMAC] = {
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-+ .dev_id = AR9300_DEVID_AR9330,
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-+ .bootstrap_reg = AR933X_RESET_REG_BOOTSTRAP,
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-+ .bootstrap_ref = AR933X_BOOTSTRAP_REF_CLK_40,
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-+ .soc_revision = ar9330_get_soc_revision,
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-+ .wmac_reset = ar933x_wmac_reset,
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-+ },
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-+ [AR934X_WMAC] = {
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-+ .dev_id = AR9300_DEVID_AR9340,
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-+ .bootstrap_reg = AR934X_RESET_REG_BOOTSTRAP,
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-+ .bootstrap_ref = AR934X_BOOTSTRAP_REF_CLK_40,
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-+ .soc_revision = ath79_get_soc_revision,
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-+ },
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-+ [QCA953X_WMAC] = {
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-+ .dev_id = AR9300_DEVID_AR953X,
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-+ .bootstrap_reg = QCA953X_RESET_REG_BOOTSTRAP,
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-+ .bootstrap_ref = QCA953X_BOOTSTRAP_REF_CLK_40,
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-+ .soc_revision = ath79_get_soc_revision,
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-+ },
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-+ [QCA955X_WMAC] = {
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-+ .dev_id = AR9300_DEVID_QCA955X,
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-+ .bootstrap_reg = QCA955X_RESET_REG_BOOTSTRAP,
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-+ .bootstrap_ref = QCA955X_BOOTSTRAP_REF_CLK_40,
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-+ .wmac_reset = qca955x_wmac_reset,
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-+ },
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-+ [QCA956X_WMAC] = {
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-+ .dev_id = AR9300_DEVID_QCA956X,
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-+ .bootstrap_reg = QCA956X_RESET_REG_BOOTSTRAP,
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-+ .bootstrap_ref = QCA956X_BOOTSTRAP_REF_CLK_40,
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-+ .soc_revision = ath79_get_soc_revision,
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-+ },
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-+};
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-+
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+const struct of_device_id of_ath_ahb_match[] = {
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-+ { .compatible = "qca,ar9130-wmac", .data = &of_ath_ahb_data[AR913X_WMAC] },
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-+ { .compatible = "qca,ar9330-wmac", .data = &of_ath_ahb_data[AR933X_WMAC] },
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-+ { .compatible = "qca,ar9340-wmac", .data = &of_ath_ahb_data[AR934X_WMAC] },
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-+ { .compatible = "qca,qca9530-wmac", .data = &of_ath_ahb_data[QCA953X_WMAC] },
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-+ { .compatible = "qca,qca9550-wmac", .data = &of_ath_ahb_data[QCA955X_WMAC] },
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-+ { .compatible = "qca,qca9560-wmac", .data = &of_ath_ahb_data[QCA956X_WMAC] },
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++ { .compatible = "qca,ar9130-wmac", .data = (void *)AR5416_AR9100_DEVID },
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++ { .compatible = "qca,ar9330-wmac", .data = (void *)AR9300_DEVID_AR9330 },
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++ { .compatible = "qca,ar9340-wmac", .data = (void *)AR9300_DEVID_AR9340 },
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++ { .compatible = "qca,qca9530-wmac", .data = (void *)AR9300_DEVID_AR953X },
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++ { .compatible = "qca,qca9550-wmac", .data = (void *)AR9300_DEVID_QCA955X },
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++ { .compatible = "qca,qca9560-wmac", .data = (void *)AR9300_DEVID_QCA956X },
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+ {},
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+};
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+MODULE_DEVICE_TABLE(of, of_ath_ahb_match);
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-+
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-+static int of_ath_ahb_probe(struct platform_device *pdev)
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-+{
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-+ struct ath9k_platform_data *pdata;
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-+ const struct of_device_id *match;
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-+ const struct of_ath_ahb_data *data;
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-+ u8 led_pin;
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-+
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-+ match = of_match_device(of_ath_ahb_match, &pdev->dev);
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-+ data = (const struct of_ath_ahb_data *)match->data;
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-+
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-+ pdata = dev_get_platdata(&pdev->dev);
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-+
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-+ if (!of_property_read_u8(pdev->dev.of_node, "qca,led-pin", &led_pin))
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-+ pdata->led_pin = led_pin;
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-+ else
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-+ pdata->led_pin = -1;
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-+
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-+ if (of_property_read_bool(pdev->dev.of_node, "qca,tx-gain-buffalo"))
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-+ pdata->tx_gain_buffalo = true;
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-+
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-+ if (data->wmac_reset) {
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-+ data->wmac_reset();
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-+ pdata->external_reset = data->wmac_reset;
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-+ }
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-+
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-+ if (data->dev_id == AR9300_DEVID_AR953X) {
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-+ /*
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-+ * QCA953x only supports 25MHz refclk.
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-+ * Some vendors have an invalid bootstrap option
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-+ * set, which would break the WMAC here.
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-+ */
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-+ pdata->is_clk_25mhz = true;
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-+ } else if (data->bootstrap_reg && data->bootstrap_ref) {
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-+ u32 t = ath79_reset_rr(data->bootstrap_reg);
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-+ if (t & data->bootstrap_ref)
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-+ pdata->is_clk_25mhz = false;
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-+ else
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-+ pdata->is_clk_25mhz = true;
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-+ }
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-+
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-+ pdata->get_mac_revision = data->soc_revision;
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-+
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-+ return data->dev_id;
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-+}
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-+#endif
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+
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static int ath_ahb_probe(struct platform_device *pdev)
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{
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- void __iomem *mem;
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-@@ -79,6 +273,17 @@ static int ath_ahb_probe(struct platform
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- int ret = 0;
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+- void __iomem *mem;
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+- struct ath_softc *sc;
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++ const struct of_device_id *match;
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+ struct ieee80211_hw *hw;
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+- const struct platform_device_id *id = platform_get_device_id(pdev);
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+- int irq;
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+- int ret = 0;
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++ struct ath_softc *sc;
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++ void __iomem *mem;
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struct ath_hw *ah;
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char hw_name[64];
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+-
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+- if (!dev_get_platdata(&pdev->dev)) {
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+- dev_err(&pdev->dev, "no platform data specified\n");
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+- return -EINVAL;
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+- }
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+ u16 dev_id;
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-+
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-+ if (id)
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-+ dev_id = id->driver_data;
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-+
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-+#ifdef CONFIG_OF
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-+ if (pdev->dev.of_node)
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-+ pdev->dev.platform_data = devm_kzalloc(&pdev->dev,
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-+ sizeof(struct ath9k_platform_data),
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-+ GFP_KERNEL);
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-+#endif
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++ int irq;
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++ int ret;
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- if (!dev_get_platdata(&pdev->dev)) {
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- dev_err(&pdev->dev, "no platform data specified\n");
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-@@ -111,17 +316,23 @@ static int ath_ahb_probe(struct platform
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- sc->mem = mem;
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- sc->irq = irq;
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-
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-+#ifdef CONFIG_OF
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-+ dev_id = of_ath_ahb_probe(pdev);
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-+#endif
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- ret = request_irq(irq, ath_isr, IRQF_SHARED, "ath9k", sc);
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- if (ret) {
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- dev_err(&pdev->dev, "request_irq failed\n");
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+ mem = devm_platform_ioremap_resource(pdev, 0);
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+ if (IS_ERR(mem)) {
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+@@ -117,7 +125,9 @@ static int ath_ahb_probe(struct platform
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goto err_free_hw;
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}
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- ret = ath9k_init_device(id->driver_data, sc, &ath_ahb_bus_ops);
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++ match = of_match_device(of_ath_ahb_match, &pdev->dev);
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++ dev_id = (uintptr_t)match->data;
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+ ret = ath9k_init_device(dev_id, sc, &ath_ahb_bus_ops);
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if (ret) {
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dev_err(&pdev->dev, "failed to initialize device\n");
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goto err_irq;
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- }
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-+#ifdef CONFIG_OF
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-+ pdev->dev.platform_data = NULL;
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-+#endif
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-
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- ah = sc->sc_ah;
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- ath9k_hw_name(ah, hw_name, sizeof(hw_name));
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-@@ -155,6 +366,9 @@ static struct platform_driver ath_ahb_dr
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+@@ -155,6 +165,7 @@ static struct platform_driver ath_ahb_dr
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.remove_new = ath_ahb_remove,
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.driver = {
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.name = "ath9k",
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-+#ifdef CONFIG_OF
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+ .of_match_table = of_ath_ahb_match,
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-+#endif
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},
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.id_table = ath9k_platform_id_table,
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};
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---- a/drivers/net/wireless/ath/ath9k/ath9k.h
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-+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
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-@@ -27,6 +27,7 @@
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- #include <linux/hw_random.h>
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- #include <linux/gpio/driver.h>
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- #include <linux/gpio/consumer.h>
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-+#include <linux/reset.h>
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-
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- #include "common.h"
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- #include "debug.h"
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-@@ -1006,6 +1007,9 @@ struct ath_softc {
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- struct ath_hw *sc_ah;
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- void __iomem *mem;
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- int irq;
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-+#ifdef CONFIG_OF
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-+ struct reset_control *reset;
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-+#endif
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- spinlock_t sc_serial_rw;
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- spinlock_t sc_pm_lock;
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- spinlock_t sc_pcu_lock;
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