diff options
Diffstat (limited to 'arch/arm/mach-omap2/omap_hwmod.c')
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod.c | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 77094d75367f..21e3eb8e83c1 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -679,6 +679,29 @@ static void _disable_optional_clocks(struct omap_hwmod *oh) } /** + * _count_mpu_irqs - count the number of MPU IRQ lines associated with @oh + * @oh: struct omap_hwmod *oh + * + * Count and return the number of MPU IRQs associated with the hwmod + * @oh. Used to allocate struct resource data. Returns 0 if @oh is + * NULL. + */ +static int _count_mpu_irqs(struct omap_hwmod *oh) +{ + struct omap_hwmod_irq_info *ohii; + int i = 0; + + if (!oh || !oh->mpu_irqs) + return 0; + + do { + ohii = &oh->mpu_irqs[i++]; + } while (ohii->irq != -1); + + return i; +} + +/** * _count_ocp_if_addr_spaces - count the number of address space entries for @oh * @oh: struct omap_hwmod *oh * @@ -1964,7 +1987,7 @@ int omap_hwmod_count_resources(struct omap_hwmod *oh) { int ret, i; - ret = oh->mpu_irqs_cnt + oh->sdma_reqs_cnt; + ret = _count_mpu_irqs(oh) + oh->sdma_reqs_cnt; for (i = 0; i < oh->slaves_cnt; i++) ret += _count_ocp_if_addr_spaces(oh->slaves[i]); @@ -1984,12 +2007,13 @@ int omap_hwmod_count_resources(struct omap_hwmod *oh) */ int omap_hwmod_fill_resources(struct omap_hwmod *oh, struct resource *res) { - int i, j; + int i, j, mpu_irqs_cnt; int r = 0; /* For each IRQ, DMA, memory area, fill in array.*/ - for (i = 0; i < oh->mpu_irqs_cnt; i++) { + mpu_irqs_cnt = _count_mpu_irqs(oh); + for (i = 0; i < mpu_irqs_cnt; i++) { (res + r)->name = (oh->mpu_irqs + i)->name; (res + r)->start = (oh->mpu_irqs + i)->irq; (res + r)->end = (oh->mpu_irqs + i)->irq; |