.@lists.infradead.org; linux-kernel@vger.kernel.org
> Subject: Re: [v5] PCI: imx: make msi work without CONFIG_PCIEPORTBUS=y
>
> On Wed, Dec 19, 2018 at 04:45:04AM +, Richard Zhu wrote:
> > Assertion of the MSI Enable bit of RC's MSI CAP is mandatory required
> > to tri
On Wed, Dec 19, 2018 at 04:45:04AM +, Richard Zhu wrote:
> Assertion of the MSI Enable bit of RC's MSI CAP is mandatory required to
> trigger MSI on i.MX6 PCIe.
> This bit would be asserted when CONFIG_PCIEPORTBUS=y.
> Thus, the MSI works fine on i.MX6 PCIe before the commit "f3fdfc4".
>
>
This patch seems to fix the regression on my board: i.MX6 with a
tg3-based pcie NIC:
CPU identified as i.MX6Q, silicon rev 1.5
tg3 :03:00.0 eth0: Tigon3 [partno(BCM57780) rev 57780001] (PCI Express)
Tested-by: Sven Van Asbroeck
On Wed, Dec 19, 2018 at 12:25 AM Richard Zhu wrote:
>
>
Assertion of the MSI Enable bit of RC's MSI CAP is mandatory required to
trigger MSI on i.MX6 PCIe.
This bit would be asserted when CONFIG_PCIEPORTBUS=y.
Thus, the MSI works fine on i.MX6 PCIe before the commit "f3fdfc4".
Assert it unconditionally when MSI is enabled.
Otherwise, the MSI wouldn't
4 matches
Mail list logo
