31 Dec
2024
31 Dec
'24
7:10 p.m.
On 12/30/24 4:30 AM, Junhui Liu via B4 Relay wrote:
From: Kongyang Liu seashell11234455@gmail.com
The loop used to calculate HBstLen for extern DMA mode does not produce the correct result according to the datasheet [1]. Replacing that loop with a direct calculation using LOG2 to correctly assign the burst length in the GAHBCFG register for external DMA mode.
[1] https://rockchip.fr/RK312X%20TRM/chapter-26-usb-otg-2-0.pdf#page=24
Signed-off-by: Kongyang Liu seashell11234455@gmail.com Signed-off-by: Junhui Liu liujh2818@outlook.com
Reviewed-by: Marek Vasut marex@denx.de