[PATCH] dma: ti: k3-udma: Fix rflow reservation for PKTDMA

Tom Rini trini at konsulko.com
Mon Jan 17 19:36:50 CET 2022


On Thu, Dec 23, 2021 at 07:27:30PM +0530, Vignesh Raghavendra wrote:

> Driver has a bug in that it uses rflow_in_use bitmap when setting up free rflow range
> from TISCI but use rflow_map for reservation in __udma_reserve_rflow()
> 
> Fix this by dropping rflow_in_use bitmap array and use rflow_map for
> PKTDMA. BCDMA does not need rflow_in_use either.
> 
> This fixes CPSW3g not able to get DMA channels at R5 SPL on AM64x
> 
> Signed-off-by: Vignesh Raghavendra <vigneshr at ti.com>

Applied to u-boot/master, thanks!

-- 
Tom
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