[U-Boot] drivers: pci: imx: add imx_pcie_remove function

[Stefano Babic]

On 26/06/2017 16:07, Soeren Moch wrote:
> 
> 
> On 12.05.2017 21:58, Tim Harvey wrote:
>> There is no dedicated reset signal wired up for the MX6QDL thus if the
>> bootloader enables the link we need some special handling to get the core
>> back into a state where it is safe to touch it for configuration.
>>
>> While there has been some special handling in the Linux kernel to do this,
>> it was removed in 4.11 thus we need to do it properly in the bootloader
>> and therefore without this if you enable PCI in the bootloader you will hang
>> while booting the 4.11 kernel.
>>
>> This puts the PCIe controller back into a safe state for the kernel driver
>> before launching the kernel.
>>
>> Signed-off-by: Tim Harvey <tharvey at gateworks.com>
>> Reviewed-by: Fabio Estevam <fabio.estevam at nxp.com>
>> Tested-by: Peter Senna Tschudin <peter.senna at collabora.com>
> 
> Tested-by: Soeren Moch <smoch at web.de>
> 
> 
> 
> Stefano,
> 
> can we get this fix merged for v2017.07!?

Yes - this is merged in u-boot-imx, I am checking now which pending
patches are bug fixes that can flow in, and I send later my PR to Tom.

Regards,
Stefano


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