BMC/Intel-BMC/linux.git/arch/arc/mm/dma.c, branch dev Intel OpenBMC Linux kernel source tree (mirror) https://git.radix-linux.su/BMC/Intel-BMC/linux.git/atom?h=dev 2015-07-06T05:39:01+00:00 ARC: Don't memzero twice in dma_alloc_coherent for __GFP_ZERO 2015-07-06T05:39:01+00:00 Vineet Gupta vgupta@synopsys.com 2015-07-03T05:10:43+00:00 urn:sha1:f718c2efff0b0460e5335607a1c6caf620847680 alloc_pages_exact() get gfp flags and handle zero'ing already And while it, fix the case where ioremap fails: return rightaway. Signed-off-by: Vineet Gupta <vgupta@synopsys.com> ARCv2: SLC: Handle explcit flush for DMA ops (w/o IO-coherency) 2015-06-25T00:30:19+00:00 Vineet Gupta vgupta@synopsys.com 2015-04-03T09:37:07+00:00 urn:sha1:795f4558562fd5318260d5d8144a2f8612aeda7b L2 cache on ARCHS processors is called SLC (System Level Cache) For working DMA (in absence of hardware assisted IO Coherency) we need to manage SLC explicitly when buffers transition between cpu and controllers. Signed-off-by: Vineet Gupta <vgupta@synopsys.com> ARC: remove the unused platform helpers from dma mapping API 2015-06-19T12:39:23+00:00 Vineet Gupta vgupta@synopsys.com 2015-04-16T15:34:49+00:00 urn:sha1:454bfda9aca0f6a0487eef523ac92dfc6646807d Signed-off-by: Vineet Gupta <vgupta@synopsys.com> ARC: I/O and DMA Mappings 2013-02-15T17:45:54+00:00 Vineet Gupta vgupta@synopsys.com 2013-01-18T09:42:20+00:00 urn:sha1:1162b0701b14ba112d4e3fe5c27c694caf983539 Signed-off-by: Vineet Gupta <vgupta@synopsys.com>