remoteproc: implement rproc_virtio_read_config/rproc_virtio_write_config

[xiaoxiang781216]

so the rpmsg could access the configuration space as needed

Signed-off-by: Xiang Xiao xiaoxiang@xiaomi.com

[xiaoxiang781216]

@wjliang , this patch split from #155 since it be commited first independently without the collaboration with kernel community

[wjliang]

Looks good to me, with small fix required.

[xiaoxiang781216]

@arnopo please review the updated patch which address @wjliang 's concern.

[xiaoxiang781216]

@arnopo could your guy spend some time to fix the build break?

The code quality seem to bad for me. Is any people inside Linaro org take care the build break?

[arnopo]

@arnopo could your guy spend some time to fix the build break?

The code quality seem to bad for me. Is any people inside Linaro org take care the build break?

Please test with this PR sent yesterday OpenAMP/libmetal#115

[arnopo]

@arnopo could your guy spend some time to fix the build break?

The code quality seem to bad for me. Is any people inside Linaro org take care the build break?

Please test with this PR sent yesterday OpenAMP/libmetal#115

ok forget my comment, i integrated the fix in libmetal, now test is ok

[xiaoxiang781216]

@arnopo , thanks for fast response. The test is pass now, feel free to givre your feedback.

[arnopo]

@arnopo , thanks for fast response. The test is pass now, feel free to givre your feedback.

We are now in release process for the v2020.04. I plan to review your patches after that

[xiaoxiang781216]

@arnopo , thanks for fast response. The test is pass now, feel free to givre your feedback.

We are now in release process for the v2020.04. I plan to review your patches after that

Sure.

[xiaoxiang781216]

Move to #155