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 21e3eb8e83c1..d1a8bdefea3f 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -702,6 +702,29 @@ static int _count_mpu_irqs(struct omap_hwmod *oh) } /** + * _count_sdma_reqs - count the number of SDMA request lines associated with @oh + * @oh: struct omap_hwmod *oh + * + * Count and return the number of SDMA request lines associated with + * the hwmod @oh. Used to allocate struct resource data. Returns 0 + * if @oh is NULL. + */ +static int _count_sdma_reqs(struct omap_hwmod *oh) +{ + struct omap_hwmod_dma_info *ohdi; + int i = 0; + + if (!oh || !oh->sdma_reqs) + return 0; + + do { + ohdi = &oh->sdma_reqs[i++]; + } while (ohdi->dma_req != -1); + + return i; +} + +/** * _count_ocp_if_addr_spaces - count the number of address space entries for @oh * @oh: struct omap_hwmod *oh * @@ -1987,7 +2010,7 @@ int omap_hwmod_count_resources(struct omap_hwmod *oh) { int ret, i; - ret = _count_mpu_irqs(oh) + oh->sdma_reqs_cnt; + ret = _count_mpu_irqs(oh) + _count_sdma_reqs(oh); for (i = 0; i < oh->slaves_cnt; i++) ret += _count_ocp_if_addr_spaces(oh->slaves[i]); @@ -2007,7 +2030,7 @@ int omap_hwmod_count_resources(struct omap_hwmod *oh) */ int omap_hwmod_fill_resources(struct omap_hwmod *oh, struct resource *res) { - int i, j, mpu_irqs_cnt; + int i, j, mpu_irqs_cnt, sdma_reqs_cnt; int r = 0; /* For each IRQ, DMA, memory area, fill in array.*/ @@ -2021,7 +2044,8 @@ int omap_hwmod_fill_resources(struct omap_hwmod *oh, struct resource *res) r++; } - for (i = 0; i < oh->sdma_reqs_cnt; i++) { + sdma_reqs_cnt = _count_sdma_reqs(oh); + for (i = 0; i < sdma_reqs_cnt; i++) { (res + r)->name = (oh->sdma_reqs + i)->name; (res + r)->start = (oh->sdma_reqs + i)->dma_req; (res + r)->end = (oh->sdma_reqs + i)->dma_req; |