kernel: remove 3.12 support since none of the targets is using it

Signed-off-by: Luka Perkov <luka@openwrt.org>

SVN-Revision: 41581

1 files changed, 0 insertions, 395 deletions

diff --git a/target/linux/generic/patches-3.12/025-bcma_backport.patch b/target/linux/generic/patches-3.12/025-bcma_backport.patch
deleted file mode 100644
index 1b88dfd..0000000
--- a/target/linux/generic/patches-3.12/025-bcma_backport.patch
+++ /dev/null
@@ -1,395 +0,0 @@
---- a/drivers/bcma/Kconfig
-+++ b/drivers/bcma/Kconfig
-@@ -75,6 +75,7 @@ config BCMA_DRIVER_GMAC_CMN
- config BCMA_DRIVER_GPIO
- 	bool "BCMA GPIO driver"
- 	depends on BCMA && GPIOLIB
-+	select IRQ_DOMAIN if BCMA_HOST_SOC
- 	help
- 	  Driver to provide access to the GPIO pins of the bcma bus.
- 
---- a/drivers/bcma/bcma_private.h
-+++ b/drivers/bcma/bcma_private.h
-@@ -33,8 +33,6 @@ int __init bcma_bus_early_register(struc
- int bcma_bus_suspend(struct bcma_bus *bus);
- int bcma_bus_resume(struct bcma_bus *bus);
- #endif
--struct bcma_device *bcma_find_core_unit(struct bcma_bus *bus, u16 coreid,
--					u8 unit);
- 
- /* scan.c */
- int bcma_bus_scan(struct bcma_bus *bus);
---- a/drivers/bcma/driver_chipcommon_sflash.c
-+++ b/drivers/bcma/driver_chipcommon_sflash.c
-@@ -38,7 +38,7 @@ static const struct bcma_sflash_tbl_e bc
- 	{ "M25P32", 0x15, 0x10000, 64, },
- 	{ "M25P64", 0x16, 0x10000, 128, },
- 	{ "M25FL128", 0x17, 0x10000, 256, },
--	{ 0 },
-+	{ NULL },
- };
- 
- static const struct bcma_sflash_tbl_e bcma_sflash_sst_tbl[] = {
-@@ -56,7 +56,7 @@ static const struct bcma_sflash_tbl_e bc
- 	{ "SST25VF016", 0x41, 0x1000, 512, },
- 	{ "SST25VF032", 0x4a, 0x1000, 1024, },
- 	{ "SST25VF064", 0x4b, 0x1000, 2048, },
--	{ 0 },
-+	{ NULL },
- };
- 
- static const struct bcma_sflash_tbl_e bcma_sflash_at_tbl[] = {
-@@ -67,7 +67,7 @@ static const struct bcma_sflash_tbl_e bc
- 	{ "AT45DB161", 0x2c, 512, 4096, },
- 	{ "AT45DB321", 0x34, 512, 8192, },
- 	{ "AT45DB642", 0x3c, 1024, 8192, },
--	{ 0 },
-+	{ NULL },
- };
- 
- static void bcma_sflash_cmd(struct bcma_drv_cc *cc, u32 opcode)
---- a/drivers/bcma/driver_gpio.c
-+++ b/drivers/bcma/driver_gpio.c
-@@ -9,6 +9,9 @@
-  */
- 
- #include <linux/gpio.h>
-+#include <linux/irq.h>
-+#include <linux/interrupt.h>
-+#include <linux/irqdomain.h>
- #include <linux/export.h>
- #include <linux/bcma/bcma.h>
- 
-@@ -73,19 +76,136 @@ static void bcma_gpio_free(struct gpio_c
- 	bcma_chipco_gpio_pullup(cc, 1 << gpio, 0);
- }
- 
-+#if IS_BUILTIN(CONFIG_BCMA_HOST_SOC)
- static int bcma_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
- {
- 	struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip);
- 
- 	if (cc->core->bus->hosttype == BCMA_HOSTTYPE_SOC)
--		return bcma_core_irq(cc->core);
-+		return irq_find_mapping(cc->irq_domain, gpio);
- 	else
- 		return -EINVAL;
- }
- 
-+static void bcma_gpio_irq_unmask(struct irq_data *d)
-+{
-+	struct bcma_drv_cc *cc = irq_data_get_irq_chip_data(d);
-+	int gpio = irqd_to_hwirq(d);
-+	u32 val = bcma_chipco_gpio_in(cc, BIT(gpio));
-+
-+	bcma_chipco_gpio_polarity(cc, BIT(gpio), val);
-+	bcma_chipco_gpio_intmask(cc, BIT(gpio), BIT(gpio));
-+}
-+
-+static void bcma_gpio_irq_mask(struct irq_data *d)
-+{
-+	struct bcma_drv_cc *cc = irq_data_get_irq_chip_data(d);
-+	int gpio = irqd_to_hwirq(d);
-+
-+	bcma_chipco_gpio_intmask(cc, BIT(gpio), 0);
-+}
-+
-+static struct irq_chip bcma_gpio_irq_chip = {
-+	.name		= "BCMA-GPIO",
-+	.irq_mask	= bcma_gpio_irq_mask,
-+	.irq_unmask	= bcma_gpio_irq_unmask,
-+};
-+
-+static irqreturn_t bcma_gpio_irq_handler(int irq, void *dev_id)
-+{
-+	struct bcma_drv_cc *cc = dev_id;
-+	u32 val = bcma_cc_read32(cc, BCMA_CC_GPIOIN);
-+	u32 mask = bcma_cc_read32(cc, BCMA_CC_GPIOIRQ);
-+	u32 pol = bcma_cc_read32(cc, BCMA_CC_GPIOPOL);
-+	unsigned long irqs = (val ^ pol) & mask;
-+	int gpio;
-+
-+	if (!irqs)
-+		return IRQ_NONE;
-+
-+	for_each_set_bit(gpio, &irqs, cc->gpio.ngpio)
-+		generic_handle_irq(bcma_gpio_to_irq(&cc->gpio, gpio));
-+	bcma_chipco_gpio_polarity(cc, irqs, val & irqs);
-+
-+	return IRQ_HANDLED;
-+}
-+
-+static int bcma_gpio_irq_domain_init(struct bcma_drv_cc *cc)
-+{
-+	struct gpio_chip *chip = &cc->gpio;
-+	int gpio, hwirq, err;
-+
-+	if (cc->core->bus->hosttype != BCMA_HOSTTYPE_SOC)
-+		return 0;
-+
-+	cc->irq_domain = irq_domain_add_linear(NULL, chip->ngpio,
-+					       &irq_domain_simple_ops, cc);
-+	if (!cc->irq_domain) {
-+		err = -ENODEV;
-+		goto err_irq_domain;
-+	}
-+	for (gpio = 0; gpio < chip->ngpio; gpio++) {
-+		int irq = irq_create_mapping(cc->irq_domain, gpio);
-+
-+		irq_set_chip_data(irq, cc);
-+		irq_set_chip_and_handler(irq, &bcma_gpio_irq_chip,
-+					 handle_simple_irq);
-+	}
-+
-+	hwirq = bcma_core_irq(cc->core);
-+	err = request_irq(hwirq, bcma_gpio_irq_handler, IRQF_SHARED, "gpio",
-+			  cc);
-+	if (err)
-+		goto err_req_irq;
-+
-+	bcma_chipco_gpio_intmask(cc, ~0, 0);
-+	bcma_cc_set32(cc, BCMA_CC_IRQMASK, BCMA_CC_IRQ_GPIO);
-+
-+	return 0;
-+
-+err_req_irq:
-+	for (gpio = 0; gpio < chip->ngpio; gpio++) {
-+		int irq = irq_find_mapping(cc->irq_domain, gpio);
-+
-+		irq_dispose_mapping(irq);
-+	}
-+	irq_domain_remove(cc->irq_domain);
-+err_irq_domain:
-+	return err;
-+}
-+
-+static void bcma_gpio_irq_domain_exit(struct bcma_drv_cc *cc)
-+{
-+	struct gpio_chip *chip = &cc->gpio;
-+	int gpio;
-+
-+	if (cc->core->bus->hosttype != BCMA_HOSTTYPE_SOC)
-+		return;
-+
-+	bcma_cc_mask32(cc, BCMA_CC_IRQMASK, ~BCMA_CC_IRQ_GPIO);
-+	free_irq(bcma_core_irq(cc->core), cc);
-+	for (gpio = 0; gpio < chip->ngpio; gpio++) {
-+		int irq = irq_find_mapping(cc->irq_domain, gpio);
-+
-+		irq_dispose_mapping(irq);
-+	}
-+	irq_domain_remove(cc->irq_domain);
-+}
-+#else
-+static int bcma_gpio_irq_domain_init(struct bcma_drv_cc *cc)
-+{
-+	return 0;
-+}
-+
-+static void bcma_gpio_irq_domain_exit(struct bcma_drv_cc *cc)
-+{
-+}
-+#endif
-+
- int bcma_gpio_init(struct bcma_drv_cc *cc)
- {
- 	struct gpio_chip *chip = &cc->gpio;
-+	int err;
- 
- 	chip->label		= "bcma_gpio";
- 	chip->owner		= THIS_MODULE;
-@@ -95,8 +215,17 @@ int bcma_gpio_init(struct bcma_drv_cc *c
- 	chip->set		= bcma_gpio_set_value;
- 	chip->direction_input	= bcma_gpio_direction_input;
- 	chip->direction_output	= bcma_gpio_direction_output;
-+#if IS_BUILTIN(CONFIG_BCMA_HOST_SOC)
- 	chip->to_irq		= bcma_gpio_to_irq;
--	chip->ngpio		= 16;
-+#endif
-+	switch (cc->core->bus->chipinfo.id) {
-+	case BCMA_CHIP_ID_BCM5357:
-+		chip->ngpio	= 32;
-+		break;
-+	default:
-+		chip->ngpio	= 16;
-+	}
-+
- 	/* There is just one SoC in one device and its GPIO addresses should be
- 	 * deterministic to address them more easily. The other buses could get
- 	 * a random base number. */
-@@ -105,10 +234,21 @@ int bcma_gpio_init(struct bcma_drv_cc *c
- 	else
- 		chip->base		= -1;
- 
--	return gpiochip_add(chip);
-+	err = bcma_gpio_irq_domain_init(cc);
-+	if (err)
-+		return err;
-+
-+	err = gpiochip_add(chip);
-+	if (err) {
-+		bcma_gpio_irq_domain_exit(cc);
-+		return err;
-+	}
-+
-+	return 0;
- }
- 
- int bcma_gpio_unregister(struct bcma_drv_cc *cc)
- {
-+	bcma_gpio_irq_domain_exit(cc);
- 	return gpiochip_remove(&cc->gpio);
- }
---- a/drivers/bcma/host_pci.c
-+++ b/drivers/bcma/host_pci.c
-@@ -188,8 +188,11 @@ static int bcma_host_pci_probe(struct pc
- 		pci_write_config_dword(dev, 0x40, val & 0xffff00ff);
- 
- 	/* SSB needed additional powering up, do we have any AMBA PCI cards? */
--	if (!pci_is_pcie(dev))
--		bcma_err(bus, "PCI card detected, report problems.\n");
-+	if (!pci_is_pcie(dev)) {
-+		bcma_err(bus, "PCI card detected, they are not supported.\n");
-+		err = -ENXIO;
-+		goto err_pci_release_regions;
-+	}
- 
- 	/* Map MMIO */
- 	err = -ENOMEM;
-@@ -235,7 +238,6 @@ static void bcma_host_pci_remove(struct
- 	pci_release_regions(dev);
- 	pci_disable_device(dev);
- 	kfree(bus);
--	pci_set_drvdata(dev, NULL);
- }
- 
- #ifdef CONFIG_PM_SLEEP
-@@ -267,8 +269,9 @@ static SIMPLE_DEV_PM_OPS(bcma_pm_ops, bc
- 
- #endif /* CONFIG_PM_SLEEP */
- 
--static DEFINE_PCI_DEVICE_TABLE(bcma_pci_bridge_tbl) = {
-+static const struct pci_device_id bcma_pci_bridge_tbl[] = {
- 	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x0576) },
-+	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4313) },
- 	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43224) },
- 	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4331) },
- 	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4353) },
---- a/drivers/bcma/main.c
-+++ b/drivers/bcma/main.c
-@@ -30,28 +30,37 @@ static ssize_t manuf_show(struct device
- 	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
- 	return sprintf(buf, "0x%03X\n", core->id.manuf);
- }
-+static DEVICE_ATTR_RO(manuf);
-+
- static ssize_t id_show(struct device *dev, struct device_attribute *attr, char *buf)
- {
- 	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
- 	return sprintf(buf, "0x%03X\n", core->id.id);
- }
-+static DEVICE_ATTR_RO(id);
-+
- static ssize_t rev_show(struct device *dev, struct device_attribute *attr, char *buf)
- {
- 	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
- 	return sprintf(buf, "0x%02X\n", core->id.rev);
- }
-+static DEVICE_ATTR_RO(rev);
-+
- static ssize_t class_show(struct device *dev, struct device_attribute *attr, char *buf)
- {
- 	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
- 	return sprintf(buf, "0x%X\n", core->id.class);
- }
--static struct device_attribute bcma_device_attrs[] = {
--	__ATTR_RO(manuf),
--	__ATTR_RO(id),
--	__ATTR_RO(rev),
--	__ATTR_RO(class),
--	__ATTR_NULL,
-+static DEVICE_ATTR_RO(class);
-+
-+static struct attribute *bcma_device_attrs[] = {
-+	&dev_attr_manuf.attr,
-+	&dev_attr_id.attr,
-+	&dev_attr_rev.attr,
-+	&dev_attr_class.attr,
-+	NULL,
- };
-+ATTRIBUTE_GROUPS(bcma_device);
- 
- static struct bus_type bcma_bus_type = {
- 	.name		= "bcma",
-@@ -59,7 +68,7 @@ static struct bus_type bcma_bus_type = {
- 	.probe		= bcma_device_probe,
- 	.remove		= bcma_device_remove,
- 	.uevent		= bcma_device_uevent,
--	.dev_attrs	= bcma_device_attrs,
-+	.dev_groups	= bcma_device_groups,
- };
- 
- static u16 bcma_cc_core_id(struct bcma_bus *bus)
-@@ -69,18 +78,6 @@ static u16 bcma_cc_core_id(struct bcma_b
- 	return BCMA_CORE_CHIPCOMMON;
- }
- 
--struct bcma_device *bcma_find_core(struct bcma_bus *bus, u16 coreid)
--{
--	struct bcma_device *core;
--
--	list_for_each_entry(core, &bus->cores, list) {
--		if (core->id.id == coreid)
--			return core;
--	}
--	return NULL;
--}
--EXPORT_SYMBOL_GPL(bcma_find_core);
--
- struct bcma_device *bcma_find_core_unit(struct bcma_bus *bus, u16 coreid,
- 					u8 unit)
- {
-@@ -92,6 +89,7 @@ struct bcma_device *bcma_find_core_unit(
- 	}
- 	return NULL;
- }
-+EXPORT_SYMBOL_GPL(bcma_find_core_unit);
- 
- bool bcma_wait_value(struct bcma_device *core, u16 reg, u32 mask, u32 value,
- 		     int timeout)
-@@ -167,6 +165,7 @@ static int bcma_register_cores(struct bc
- 			bcma_err(bus,
- 				 "Could not register dev for core 0x%03X\n",
- 				 core->id.id);
-+			put_device(&core->dev);
- 			continue;
- 		}
- 		core->dev_registered = true;
---- a/include/linux/bcma/bcma.h
-+++ b/include/linux/bcma/bcma.h
-@@ -418,7 +418,14 @@ static inline void bcma_maskset16(struct
- 	bcma_write16(cc, offset, (bcma_read16(cc, offset) & mask) | set);
- }
- 
--extern struct bcma_device *bcma_find_core(struct bcma_bus *bus, u16 coreid);
-+extern struct bcma_device *bcma_find_core_unit(struct bcma_bus *bus, u16 coreid,
-+					       u8 unit);
-+static inline struct bcma_device *bcma_find_core(struct bcma_bus *bus,
-+						 u16 coreid)
-+{
-+	return bcma_find_core_unit(bus, coreid, 0);
-+}
-+
- extern bool bcma_core_is_enabled(struct bcma_device *core);
- extern void bcma_core_disable(struct bcma_device *core, u32 flags);
- extern int bcma_core_enable(struct bcma_device *core, u32 flags);
---- a/include/linux/bcma/bcma_driver_chipcommon.h
-+++ b/include/linux/bcma/bcma_driver_chipcommon.h
-@@ -640,6 +640,7 @@ struct bcma_drv_cc {
- 	spinlock_t gpio_lock;
- #ifdef CONFIG_BCMA_DRIVER_GPIO
- 	struct gpio_chip gpio;
-+	struct irq_domain *irq_domain;
- #endif
- };
-