[meta-freescale] i.MX6 - PCIe not detecting some devices in Linux 3.14.28

[Nikolay Dimitrov]

Hi ansaris,

On 05/21/2015 07:26 PM, ansaris wrote:
> Hi,
> We are using imx6Q custom platform based on sabresd platform. For our
> development we are using Linux 3.14.28_1.0.0-GA BSP but initially we
> used Linux 3.10.53_1.0.0-GA BSP.
> We have seen that the pcie driver file is updated in Linux 3.14.28.
>
> The problem we are facing is, we have a PCIe device which is SSD SATA.
> With Linux 3.14.28_1.0.0-GA BSP, the PCIe-SATA is not getting detected
> and it is showing below error.
>      imx6q-pcie 1ffc000.pcie: phy link never came up
>      imx6q-pcie 1ffc000.pcie: Failed to bring link up!
>      imx6q-pcie 1ffc000.pcie: failed to initialize host
>      imx6q-pcie: probe of 1ffc000.pcie failed with error -22
>
> With Linux 3.10.53_1.0.0-GA BSP, the same PCIe-SATA is getting detected
> and mounted as block device.
> Here we have not changed any hardware. We just replaced the booting SD
> card which contains Linux 3.10.53_1.0.0-GA BSP binaries.
>
> In addition, , we have checked with several PCIe devices (network PCIe
> devices) with Linux 3.14.28_1.0.0-GA BSP. Only some of the PCIe devices
> are getting detected.
> Please note that, all the devices are getting detected in the Linux
> 3.10.53_1.0.0-GA BSP.
>
> Please help us to resolve this issue.

Please clarify whether your device is PCIe or SATA - it can be only one
of those, not both at the same time.

Regards,
Nikolay