Hi Dinh, Did you upstream the patch on linux-stable ?
Thanks, Clement On Fri, 2 Nov 2018 at 11:02, Clément Péron <peron.c...@gmail.com> wrote: > > Hi Dinh, > > On Wed, 31 Oct 2018 at 23:02, Dinh Nguyen <dingu...@kernel.org> wrote: > > > > Hi Clement, > > > > On 10/31/2018 10:36 AM, Clément Péron wrote: > > > Hi Dinh, > > > > > > On Wed, 31 Oct 2018 at 15:42, Dinh Nguyen <dingu...@kernel.org> wrote: > > >> > > >> Hi Clement, > > >> > > >> On 10/31/2018 08:01 AM, Clément Péron wrote: > > >>> Hi, > > >>> > > >>> The patch "net: stmmac: socfpga: add additional ocp reset line for > > >>> Stratix10" introduce in 4.9.124 broke the ethernet on my CycloneV > > >>> board. > > >>> > > >>> When I boot i have this issue : > > >>> > > >>> socfpga-dwmac ff702000.ethernet: error getting reset control of ocp -2 > > >>> socfpga-dwmac: probe of ff702000.ethernet failed with error -2 > > >>> > > >>> Reverting the commit : 6f37f7b62baa6a71d7f3f298acb64de51275e724 fix the > > >>> issue. > > >>> > > >> > > >> Are you sure? I just booted v4.9.124 and did not see any errors. The > > >> error should not appear because the commit is using > > >> devm_reset_control_get_optional(). > > > > > > I'm booting on 4.9.130 actually, Agree with you that > > > devm_reset_control_get_optional should not failed but checking other > > > usage of this helper > > > https://elixir.bootlin.com/linux/v4.9.135/source/drivers/i2c/busses/i2c-mv64xxx.c#L824 > > > https://elixir.bootlin.com/linux/v4.9.135/source/drivers/crypto/sunxi-ss/sun4i-ss-core.c#L259 > > > Show that they don't check for errors except for PROBE_DEFER > > > > > > > I made a mistake, I was booting linux-next. I am seeing the error with > > v4.9.124. It's due to this commit not getting backported: > > > > "bb475230b8e59a reset: make optional functions really optional" > > > > I have backported the patch and is available here if you like to take a > > look: > > Thanks, works fine on my board too. > Regards, > Clement > > > > > https://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux.git/log/?h=v4.9.124_optional_reset > > > > Dinh