[1/3] drivers/pci/hotplug: Handle presence detection change properly

Michael Ellerman patch-notifications at ellerman.id.au
Thu Feb 16 16:59:45 AEDT 2017

On Wed, 2017-01-11 at 00:50:06 UTC, Gavin Shan wrote:
> The surprise hotplug is driven by interrupt in PowerNV PCI hotplug
> driver. In the interrupt handler, pnv_php_interrupt(), we bail when
> pnv_pci_get_presence_state() returns zero wrongly. It causes the
> presence change event is always ignored incorrectly.
> This fixes the issue by bailing on error (non-zero value) returned
> from pnv_pci_get_presence_state().
> Fixes: 360aebd85a4 ("drivers/pci/hotplug: Support surprise hotplug in powernv driver")
> Cc: stable at vger.kernel.org #v4.9+
> Reported-by: Hank Chang <hankmax0000 at gmail.com>
> Signed-off-by: Gavin Shan <gwshan at linux.vnet.ibm.com>
> Tested-by: Willie Liauw <williel at supermicro.com.tw>

Series applied to powerpc next, thanks.



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