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authorNathan Hintz <nlhintz@hotmail.com>2013-01-10 20:54:09 +0400
committerJohn W. Linville <linville@tuxdriver.com>2013-01-11 23:49:59 +0400
commite2aa19fadd718d7dd920a3994118863861a4b61e (patch)
treedcef21d36c4ed2ab7cb02ecf9ca7585ebc3993ed
parent1a2d50329832c4b5c77be569f20eec303a0d07b8 (diff)
downloadlinux-e2aa19fadd718d7dd920a3994118863861a4b61e.tar.xz
bcma: return the mips irq number in bcma_core_irq
The irq signal numbers that are send by the cpu are increased by 2 from the number programmed into the mips core by bcma. Return the irq number on which the irqs are send in bcma_core_irq() now. Signed-off-by: Nathan Hintz <nlhintz@hotmail.com> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--arch/mips/bcm47xx/serial.c2
-rw-r--r--drivers/bcma/driver_chipcommon.c2
-rw-r--r--drivers/bcma/driver_mips.c12
-rw-r--r--drivers/bcma/driver_pci_host.c4
-rw-r--r--include/linux/bcma/bcma_driver_mips.h2
5 files changed, 14 insertions, 8 deletions
diff --git a/arch/mips/bcm47xx/serial.c b/arch/mips/bcm47xx/serial.c
index 57981e4fe2bc..b8ef965705cf 100644
--- a/arch/mips/bcm47xx/serial.c
+++ b/arch/mips/bcm47xx/serial.c
@@ -62,7 +62,7 @@ static int __init uart8250_init_bcma(void)
p->mapbase = (unsigned int) bcma_port->regs;
p->membase = (void *) bcma_port->regs;
- p->irq = bcma_port->irq + 2;
+ p->irq = bcma_port->irq;
p->uartclk = bcma_port->baud_base;
p->regshift = bcma_port->reg_shift;
p->iotype = UPIO_MEM;
diff --git a/drivers/bcma/driver_chipcommon.c b/drivers/bcma/driver_chipcommon.c
index e461ad25fda4..28fa50ad87be 100644
--- a/drivers/bcma/driver_chipcommon.c
+++ b/drivers/bcma/driver_chipcommon.c
@@ -329,7 +329,7 @@ void bcma_chipco_serial_init(struct bcma_drv_cc *cc)
return;
}
- irq = bcma_core_mips_irq(cc->core);
+ irq = bcma_core_irq(cc->core);
/* Determine the registers of the UARTs */
cc->nr_serial_ports = (cc->capabilities & BCMA_CC_CAP_NRUART);
diff --git a/drivers/bcma/driver_mips.c b/drivers/bcma/driver_mips.c
index 90f20a247725..a808404db4b1 100644
--- a/drivers/bcma/driver_mips.c
+++ b/drivers/bcma/driver_mips.c
@@ -85,7 +85,7 @@ static u32 bcma_core_mips_irqflag(struct bcma_device *dev)
* If disabled, 5 is returned.
* If not supported, 6 is returned.
*/
-unsigned int bcma_core_mips_irq(struct bcma_device *dev)
+static unsigned int bcma_core_mips_irq(struct bcma_device *dev)
{
struct bcma_device *mdev = dev->bus->drv_mips.core;
u32 irqflag;
@@ -102,7 +102,13 @@ unsigned int bcma_core_mips_irq(struct bcma_device *dev)
return 5;
}
-EXPORT_SYMBOL(bcma_core_mips_irq);
+
+unsigned int bcma_core_irq(struct bcma_device *dev)
+{
+ unsigned int mips_irq = bcma_core_mips_irq(dev);
+ return mips_irq <= 4 ? mips_irq + 2 : 0;
+}
+EXPORT_SYMBOL(bcma_core_irq);
static void bcma_core_mips_set_irq(struct bcma_device *dev, unsigned int irq)
{
@@ -299,7 +305,7 @@ void bcma_core_mips_init(struct bcma_drv_mips *mcore)
break;
default:
list_for_each_entry(core, &bus->cores, list) {
- core->irq = bcma_core_mips_irq(core) + 2;
+ core->irq = bcma_core_irq(core);
}
bcma_err(bus,
"Unknown device (0x%x) found, can not configure IRQs\n",
diff --git a/drivers/bcma/driver_pci_host.c b/drivers/bcma/driver_pci_host.c
index e6b5c89469dc..ef9f0938da77 100644
--- a/drivers/bcma/driver_pci_host.c
+++ b/drivers/bcma/driver_pci_host.c
@@ -577,7 +577,7 @@ int bcma_core_pci_plat_dev_init(struct pci_dev *dev)
pr_info("PCI: Fixing up device %s\n", pci_name(dev));
/* Fix up interrupt lines */
- dev->irq = bcma_core_mips_irq(pc_host->pdev->core) + 2;
+ dev->irq = bcma_core_irq(pc_host->pdev->core);
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
return 0;
@@ -596,6 +596,6 @@ int bcma_core_pci_pcibios_map_irq(const struct pci_dev *dev)
pc_host = container_of(dev->bus->ops, struct bcma_drv_pci_host,
pci_ops);
- return bcma_core_mips_irq(pc_host->pdev->core) + 2;
+ return bcma_core_irq(pc_host->pdev->core);
}
EXPORT_SYMBOL(bcma_core_pci_pcibios_map_irq);
diff --git a/include/linux/bcma/bcma_driver_mips.h b/include/linux/bcma/bcma_driver_mips.h
index 6495579e3f35..73c7f4b882cc 100644
--- a/include/linux/bcma/bcma_driver_mips.h
+++ b/include/linux/bcma/bcma_driver_mips.h
@@ -48,6 +48,6 @@ static inline void bcma_core_mips_early_init(struct bcma_drv_mips *mcore) { }
extern u32 bcma_cpu_clock(struct bcma_drv_mips *mcore);
-extern unsigned int bcma_core_mips_irq(struct bcma_device *dev);
+extern unsigned int bcma_core_irq(struct bcma_device *core);
#endif /* LINUX_BCMA_DRIVER_MIPS_H_ */