Hi Prasanth, > The channel allocation and deallocation for dma copy was happening on every > dma transfer. This is a overhead for transactions like NAND, which does > page reads recursively for complete data. > > So, moving the dma allocation to probe and implement corresponding > remove function and cleanup dma device while exiting from spl. > > Enable SPL_DM_DEVICE_REMOVE, for device removal capability in SPL. > > v2 <==> v1 > ========== > 1> Improve subject of commit. > 2> Add warning on dma device not found. > 3> Do channel allocation only for udma and bcdma. Passthrough for all other > types. > > Prasanth Babu Mantena (2): > mach-k3: common.c: Remove dma device in spl exit > configs: k3: Enable device removal in SPL > > Santhosh Kumar K (2): > dma: ti: k3-udma: Move udma_probe() below all APIs > dma: ti: k3-udma: Move DMA channel[0] allocation to probe and add > udma_remove() > > arch/arm/mach-k3/common.c | 25 ++- > configs/am62ax_evm_a53_defconfig | 1 + > configs/am62ax_evm_r5_defconfig | 1 + > configs/am62x_evm_a53_defconfig | 1 + > configs/am62x_evm_r5_defconfig | 1 + > configs/j7200_evm_a72_defconfig | 1 + > configs/j7200_evm_r5_defconfig | 1 + > configs/j721e_evm_a72_defconfig | 1 + > configs/j721e_evm_r5_defconfig | 1 + > configs/j721s2_evm_a72_defconfig | 1 + > configs/j721s2_evm_r5_defconfig | 1 + > configs/j784s4_evm_a72_defconfig | 1 + > configs/j784s4_evm_r5_defconfig | 1 +
Is there any reason why devices like j721e_beagleboneai64 and m62x_beagleplay and other TI devices aren't changed as part of this change? Peter
