Re: [PATCH 1/2] arm64: dts: imx8mq: properly describe IRQ hierarchy

From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
To: Daniel Baluta <daniel.baluta@nxp.com>
Cc: "festevam@gmail.com" <festevam@gmail.com>,
	"patchwork-lst@pengutronix.de" <patchwork-lst@pengutronix.de>,
	dl-linux-imx <linux-imx@nxp.com>,
	"kernel@pengutronix.de" <kernel@pengutronix.de>,
	Fabio Estevam <fabio.estevam@nxp.com>,
	"shawnguo@kernel.org" <shawnguo@kernel.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"l.stach@pengutronix.de" <l.stach@pengutronix.de>
Subject: Re: [PATCH 1/2] arm64: dts: imx8mq: properly describe IRQ hierarchy
Date: Tue, 22 Jan 2019 12:52:47 +0530	[thread overview]
Message-ID: <20190122072247.GB29172@Mani-XPS-13-9360> (raw)
In-Reply-To: <20190122034129.GA3205@Mani-XPS-13-9360>

Hi Daniel,

On Tue, Jan 22, 2019 at 09:11:29AM +0530, Manivannan Sadhasivam wrote:
> Hi Daniel,
> 
> On Mon, Jan 21, 2019 at 05:59:42PM +0000, Daniel Baluta wrote:
> > On Mon, 2019-01-21 at 18:31 +0100, Lucas Stach wrote:
> > > Am Montag, den 21.01.2019, 15:30 -0200 schrieb Fabio Estevam:
> > > > Hi Daniel,
> > > > 
> > > > > On Mon, Jan 21, 2019 at 3:25 PM Daniel Baluta <
> > > > > daniel.baluta@nxp.com> wrote:
> > > > > Hi Fabio,
> > > > > 
> > > > > Your patch helps.
> > > > 
> > > > Thanks for testing. I will send it as a formal patch.
> > > 
> > > If you look closely that's exactly the patch 2/2 from this series.
> > > 
> > > Regards,
> > > Lucas
> > > 
> > > > 
> > > > > Now the console works. Anyhow, it seems that now there
> > > > > is a problem with the network card.
> > > > > 
> > > > > [    0.831454] mdio_bus 30be0000.ethernet-1:00: error -2 loading
> > > > > PHY driver module for ID 0x004dd074
> > > > > [    0.840796] fec 30be0000.ethernet: Dropping the link to
> > > > > regulator.0
> > > > > [    0.847212] fec: probe of 30be0000.ethernet failed with error
> > > > > -2
> > > > > 
> > > > > Booting fails now because kernel isn't able to mount to nfs
> > > > > rootfs.
> > > > > 
> > > > > [  111.652134] VFS: Unable to mount root fs via NFS, trying
> > > > > floppy.
> > > > > [  111.658510] VFS: Cannot open root device "nfs" or unknown-
> > > > > block(2,0): error -6
> > > > > 
> > > > > This problem is similar with the one met on i.MX 8QXP.
> > > > 
> > > > Does this patch help?
> > > > 
> > https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.spinics.net%2Flists%2Fnetdev%2Fmsg545573.html&amp;data=02%7C01%7Cdaniel.baluta%40nxp.com%7Cb3055410508f4333003b08d67fc64cc8%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C636836887005112836&amp;sdata=7qSMs76%2B%2Fjdgeu0VWvrj36gTx%2B1tXPLwN8ZoYYmAeLE%3D&amp;reserved=0
> > 
> > Yes, with this patch and 2/2 i.mx8m boots fine.
> > 
> 
> Thanks for sharing the patches!
> 
> > So, Mani I think this should also fix the problem on i.MX8 QXP.
> > 
> > Can you give it a try?
> > 
> > To sum up you need these two patches:
> > 
> > 1) https://www.spinics.net/lists/netdev/msg545573.html
> > 

Just tested the above patch and it fixes the PHY driver issue on my
IMX8QXP board.

Thanks,
Mani

> > 2) https://patchwork.codeaurora.org/patch/700169/
> > 
> 
> My issue was not related to above mentioned patches but anyhow I solved
> it using the kernel command line parameters you gave. Regarding NFS, I'm
> not close yet to have network support on my board. Will give it a shot
> once I add onboard Ethernet/WiFi support.
> 
> Thanks once again!
> 
> Regards,
> Mani
> 
> > thanks,
> > Daniel.

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