diff options
| author | Hauke Mehrtens <hauke@hauke-m.de> | 2013-01-04 00:51:23 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2013-01-07 21:18:28 +0100 |
| commit | db5230d1b3c5f7c62564de2ef07ea1c633548959 (patch) | |
| tree | 321466ce514db44f57614ddabd9e09c83c6f8af8 /drivers/bcma/driver_mips.c | |
| parent | bcma: mips: make some info messages debug messages (diff) | |
| download | linux-db5230d1b3c5f7c62564de2ef07ea1c633548959.tar.xz linux-db5230d1b3c5f7c62564de2ef07ea1c633548959.zip | |
bcma: mips: show also disabled IRQs
Some cores do not have a IRQ assigned and some do not support when an
IRQ is assigned to them, this is now handled and printed out in the
code.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/bcma/driver_mips.c')
| -rw-r--r-- | drivers/bcma/driver_mips.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/bcma/driver_mips.c b/drivers/bcma/driver_mips.c index 486aa2dba581..69815079a6dd 100644 --- a/drivers/bcma/driver_mips.c +++ b/drivers/bcma/driver_mips.c @@ -74,11 +74,16 @@ static u32 bcma_core_mips_irqflag(struct bcma_device *dev) return dev->core_index; flag = bcma_aread32(dev, BCMA_MIPS_OOBSELOUTA30); - return flag & 0x1F; + if (flag) + return flag & 0x1F; + else + return 0x3f; } /* Get the MIPS IRQ assignment for a specified device. * If unassigned, 0 is returned. + * If disabled, 5 is returned. + * If not supported, 6 is returned. */ unsigned int bcma_core_mips_irq(struct bcma_device *dev) { @@ -87,13 +92,15 @@ unsigned int bcma_core_mips_irq(struct bcma_device *dev) unsigned int irq; irqflag = bcma_core_mips_irqflag(dev); + if (irqflag == 0x3f) + return 6; - for (irq = 1; irq <= 4; irq++) + for (irq = 0; irq <= 4; irq++) if (bcma_read32(mdev, BCMA_MIPS_MIPS74K_INTMASK(irq)) & (1 << irqflag)) return irq; - return 0; + return 5; } EXPORT_SYMBOL(bcma_core_mips_irq); @@ -114,7 +121,7 @@ static void bcma_core_mips_set_irq(struct bcma_device *dev, unsigned int irq) bcma_write32(mdev, BCMA_MIPS_MIPS74K_INTMASK(0), bcma_read32(mdev, BCMA_MIPS_MIPS74K_INTMASK(0)) & ~(1 << irqflag)); - else + else if (oldirq != 5) bcma_write32(mdev, BCMA_MIPS_MIPS74K_INTMASK(oldirq), 0); /* assign the new one */ @@ -144,7 +151,7 @@ static void bcma_core_mips_set_irq(struct bcma_device *dev, unsigned int irq) } bcma_debug(bus, "set_irq: core 0x%04x, irq %d => %d\n", - dev->id.id, oldirq + 2, irq + 2); + dev->id.id, oldirq <= 4 ? oldirq + 2 : 0, irq + 2); } static void bcma_core_mips_set_irq_name(struct bcma_bus *bus, unsigned int irq, |