linux-kernel - Re: [RESEND PATCH V1 2/5] PCI: tegra: Fix MSI-X programming

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Message-ID: <20210527121412.GD213718@rocinante.localdomain>
Date:   Thu, 27 May 2021 14:14:12 +0200
From:   Krzysztof Wilczyński <kw@...ux.com>
To:     Om Prakash Singh <omp@...dia.com>
Cc:     vidyas@...dia.com, lorenzo.pieralisi@....com, bhelgaas@...gle.com,
        thierry.reding@...il.com, jonathanh@...dia.com,
        linux-tegra@...r.kernel.org, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org, kthota@...dia.com,
        mmaddireddy@...dia.com
Subject: Re: [RESEND PATCH V1 2/5] PCI: tegra: Fix MSI-X programming

Hi Prakash,

[...]
> @@ -1863,7 +1863,7 @@ static void pex_ep_event_pex_rst_deassert(struct tegra_pcie_dw *pcie)
>  	val = (ep->msi_mem_phys & MSIX_ADDR_MATCH_LOW_OFF_MASK);
>  	val |= MSIX_ADDR_MATCH_LOW_OFF_EN;
>  	dw_pcie_writel_dbi(pci, MSIX_ADDR_MATCH_LOW_OFF, val);
> -	val = (lower_32_bits(ep->msi_mem_phys) & MSIX_ADDR_MATCH_HIGH_OFF_MASK);
> +	val = (upper_32_bits(ep->msi_mem_phys) & MSIX_ADDR_MATCH_HIGH_OFF_MASK);

Oh!  Nice catch!

	Krzysztof