On Mon, May 11, 2015 at 11:50:19AM -0500, Nishanth Menon wrote: > Hi, > > SDP4430 uses a SPI based network chip ks8851. > > next-20150508: > https://github.com/nmenon/kernel-test-logs/blob/next-20150508/omap2plus_defconfig/sdp4430.txt > > However, next-20150511: > https://github.com/nmenon/kernel-test-logs/blob/next-20150511/omap2plus_defconfig/sdp4430.txt > I will look into this but it is going to be difficult to debug with access to the hardware. This is what I get for changing a driver that effects so many SoCs. > Generates infinite "ks8851 spi1.0: ks8851_irq: spi bus error" errors > and hangs the platform. > > Bisected the issue down to the following two commits when reverted > allows the board to function: > > > commit b28cb9414db9f8e42ac18c9e360e4e99cda42489 > Author: Michael Welling <mwelling@xxxxxxxx> > Date: Thu May 7 18:36:53 2015 -0500 > > spi: omap2-mcspi: Switch driver to use transfer_one > > Switches from transfer_one_message to transfer_one to prepare > driver for > use of GPIO chip selects. > > Signed-off-by: Michael Welling <mwelling@xxxxxxxx> > Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> > > Reverting this alone: http://paste.ubuntu.org.cn/2594735 (did not boot up) > > commit bc7f9bbc80bcc77745b3f54ec4e7103e3e142bb9 > Author: Michael Welling <mwelling@xxxxxxxx> > Date: Fri May 8 13:31:01 2015 -0500 > > spi: omap2-mcspi: Add gpio_request and init CS > > If GPIO chip select is specified, request the GPIO in the setup > function > and release it in the cleanup function. > > Signed-off-by: Michael Welling <mwelling@xxxxxxxx> > Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> > > Reverting this as well allowed boot. > > -- > Regards, > Nishanth Menon -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
