• Ming Lei's avatar
    ARM: dma-mapping: support debug_dma_mapping_error · 871ae57a
    Ming Lei authored
    Without the patch, kind of below warning will be dumped if DMA-API
    debug is enabled:
    
    [   11.069763] ------------[ cut here ]------------
    [   11.074645] WARNING: at lib/dma-debug.c:948 check_unmap+0x770/0x860()
    [   11.081420] ehci-omap ehci-omap.0: DMA-API: device driver failed to
    check map error[device address=0x0000000
    0adb78e80] [size=8 bytes] [mapped as single]
    [   11.095611] Modules linked in:
    
    Cc: Russell King <linux@arm.linux.org.uk>
    Cc: Marek Szyprowski <m.szyprowski@samsung.com>
    Signed-off-by: default avatarMing Lei <ming.lei@canonical.com>
    Signed-off-by: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
    871ae57a
dma-mapping.h 8.7 KB