/* * IOMMU helper functions for the free area management */ #include #include #include int iommu_is_span_boundary(unsigned int index, unsigned int nr, unsigned long shift, unsigned long boundary_size) { BUG_ON(!is_power_of_2(boundary_size)); shift = (shift + index) & (boundary_size - 1); return shift + nr > boundary_size; } unsigned long iommu_area_alloc(unsigned long *map, unsigned long size, unsigned long start, unsigned int nr, unsigned long shift, unsigned long boundary_size, unsigned long align_mask) { unsigned long index; /* We don't want the last of the limit */ size -= 1; again: index = bitmap_find_next_zero_area(map, size, start, nr, align_mask); if (index < size) { if (iommu_is_span_boundary(index, nr, shift, boundary_size)) { start = ALIGN(shift + index, boundary_size) - shift; goto again; } bitmap_set(map, index, nr); return index; } return -1; } EXPORT_SYMBOL(iommu_area_alloc); .submit();'> net-next plumbingsTobias Klauser
summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorLokesh Vutla <lokeshvutla@ti.com>2016-11-10 10:59:15 +0530
committerMark Brown <broonie@kernel.org>2016-11-11 15:36:38 +0000
commit205321f0927ad2303e7f71767d402e0ff36a9a87 (patch)
treefc103f416e5df36a8a2a6c5d88f24f4f6c5a65bc /net/bluetooth
parent1001354ca34179f3db924eb66672442a173147dc (diff)
regulator: lp873x: Add support for populating input supply
In order to have a proper topology of regulators for a platform, each registering regulator needs to populate supply_name field for identifying its supply's name. Add supply_name field for lp873x regulators. Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com> Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'net/bluetooth')