Re: [PATCHv3] drivers/amba: add reset control to amba bus probe

2019-08-13 Thread Rob Herring
+Russell On Thu, Aug 8, 2019 at 8:02 AM Dinh Nguyen wrote: > > The primecell controller on some SoCs, i.e. SoCFPGA, is held in reset by > default. Until recently, the DMA controller was brought out of reset by the > bootloader(i.e. U-Boot). But a recent change in U-Boot, the peripherals that >

[PATCHv3] drivers/amba: add reset control to amba bus probe

2019-08-08 Thread Dinh Nguyen
The primecell controller on some SoCs, i.e. SoCFPGA, is held in reset by default. Until recently, the DMA controller was brought out of reset by the bootloader(i.e. U-Boot). But a recent change in U-Boot, the peripherals that are not used are held in reset and are left to Linux to bring them out