Re: [PATCH 0/2] x86: intel-mid-pci: fix to get eMMC detected

From: Andy Shevchenko
Date: Wed Jul 08 2015 - 06:05:26 EST


On Wed, 2015-06-17 at 22:03 +0300, Andy Shevchenko wrote:
> On Intel Edison we have a nice implementation of x86 platform without
> legacy
> PIC and with specific PCI. There are devices which are not using
> interrupt by
> some reasons, but have them as IRQ0 in the PCI configuration.
> Suprisingly the
> first eMMC host controller is the actual user for IRQ0. Since we have
> serial
> driver implemented that enumerates unused serial IP (one of four)
> which has
> IRQ0 assigned we, in case it gets it first by pci_enable_device(),
> lost a
> possibility to probe eMMC.

Any comments on that?

>
> So, this series provides a workaround (patch 2) and small fix of
> error code
> (patch 1).
>
> I wonder if this can go to v4.2. What do you think?
>
> Andy Shevchenko (2):
> x86: intel_mid_pci: propagate actual return code
> x86: intel_mid_pci: work around for IRQ0 assignment
>
> arch/x86/pci/intel_mid_pci.c | 27 ++++++++++++++++++++++++---
> 1 file changed, 24 insertions(+), 3 deletions(-)
>

--
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Intel Finland Oy
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