linux-kernel - Re: spi, spi_fsl-spi.c not working?

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Date:	Mon, 4 Aug 2014 16:52:56 -0500
From:	Scott Wood <scottwood@...escale.com>
To:	<hs@...x.de>
CC:	<linuxppc-dev@...ts.ozlabs.org>,
	Andreas Larsson <andreas@...sler.com>,
	<linux-spi@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Mark Brown <broonie@...nel.org>,
	"Anton Vorontsov" <avorontsov@...mvista.com>
Subject: Re: spi, spi_fsl-spi.c not working?

On Thu, 2014-07-17 at 11:11 +0200, Heiko Schocher wrote:
> Hello all,
> 
> I just tried a mpc83xx based board (similiar to the mpc8313erdb)
> with linux v3.16-rc4 using the drivers/spi/spi-fsl-spi.c driver.
> DT nodes for spi are the same as in arch/powerpc/boot/dts/mpc8313erdb.dts:
> 
>                  spi@...0 {
>                          cell-index = <0>;
>                          compatible = "fsl,spi";
>                          reg = <0x7000 0x1000>;
>                          interrupts = <16 0x8>;
>                          interrupt-parent = <&ipic>;
>                          mode = "cpu";
>                  };
> 
> Bootlog shows:
> 
> [    1.341411] fsl_spi f0007000.spi: master is unqueued, this is deprecated
> [    1.554405] ------------[ cut here ]------------
> [    1.559080] WARNING: at c023a958 [verbose debug info unavailable]

If you haven't already resolved this, could you enable verbose debug
info (or use gdb) to get the line number?

I don't see the WARNING when booting mpc8379rdb with SPI enabled (though
I do see the "master is unqueued" message).  I don't have easy access to
an mpc8313erdb to test on.

-Scott


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