Hi, Thanks for the patch... > > This patch introduces the xilinx_prep_dma_addr_t macro which prepares > dma_addr_t from hardware buffer descriptor LSB and MSB fields. It will be > used in simple dma 64-bit programming sequence. > > Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xxxxxxxxxx> Reviewed-by: Appana Durga Kedareswara Rao <appana.durga.rao@xxxxxxxxxx> Regards, Kedar. > --- > Changes for v2: > New patch- Preparatory change for 4/4 fix. > --- > drivers/dma/xilinx/xilinx_dma.c | 2 ++ > 1 files changed, 2 insertions(+), 0 deletions(-) > > diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c > index a37871e..c27ab64 100644 > --- a/drivers/dma/xilinx/xilinx_dma.c > +++ b/drivers/dma/xilinx/xilinx_dma.c > @@ -190,6 +190,8 @@ > /* AXI CDMA Specific Masks */ > #define XILINX_CDMA_CR_SGMODE BIT(3) > > +#define xilinx_prep_dma_addr_t(addr) \ > + ((dma_addr_t)((u64)addr##_##msb << 32 | (addr))) > /** > * struct xilinx_vdma_desc_hw - Hardware Descriptor > * @next_desc: Next Descriptor Pointer @0x00 > -- > 1.7.1
