From: Rob Herring <robh@kernel.org>
To: Will McVicker <willmcvicker@google.com>
Cc: "Jingoo Han" <jingoohan1@gmail.com>,
"Gustavo Pimentel" <gustavo.pimentel@synopsys.com>,
"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
"Krzysztof Wilczyński" <kw@linux.com>,
"Bjorn Helgaas" <bhelgaas@google.com>,
kernel-team@android.com, "Vidya Sagar" <vidyas@nvidia.com>,
"Christoph Hellwig" <hch@infradead.org>,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
"Isaac J . Manjarres" <isaacmanjarres@google.com>
Subject: Re: [PATCH v4 1/2] PCI: dwc: Drop dependency on ZONE_DMA32
Date: Fri, 12 Aug 2022 12:21:05 -0600 [thread overview]
Message-ID: <CAL_JsqLAP1kh7Hv6G08PuvpW8oRkXYasT=+6-VXAYg=fXfBvSA@mail.gmail.com> (raw)
In-Reply-To: <20220812000327.3154251-2-willmcvicker@google.com>
On Thu, Aug 11, 2022 at 6:03 PM Will McVicker <willmcvicker@google.com> wrote:
>
> Re-work the msi_msg DMA allocation logic to use dmam_alloc_coherent() which
> uses the coherent DMA mask to try to return an allocation within the DMA
> mask limits. With that, we now can drop the msi_page parameter in struct
> dw_pcie_rp. This allows kernel configurations that disable ZONE_DMA32 to
> continue supporting a 32-bit DMA mask. Without this patch, the PCIe host
> device will fail to probe when ZONE_DMA32 is disabled.
>
> Fixes: 35797e672ff0 ("PCI: dwc: Fix MSI msi_msg DMA mapping")
> Reported-by: Isaac J. Manjarres <isaacmanjarres@google.com>
> Signed-off-by: Will McVicker <willmcvicker@google.com>
> ---
> .../pci/controller/dwc/pcie-designware-host.c | 28 +++++--------------
> drivers/pci/controller/dwc/pcie-designware.h | 1 -
> 2 files changed, 7 insertions(+), 22 deletions(-)
Reviewed-by: Rob Herring <robh@kernel.org>
next prev parent reply other threads:[~2022-08-12 18:21 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-12 0:03 [PATCH v4 0/2] PCI: dwc: Add support for 64-bit MSI target addresses Will McVicker
2022-08-12 0:03 ` [PATCH v4 1/2] PCI: dwc: Drop dependency on ZONE_DMA32 Will McVicker
2022-08-12 2:47 ` Han Jingoo
2022-08-12 18:21 ` Rob Herring [this message]
2022-08-12 0:03 ` [PATCH v4 2/2] PCI: dwc: Add support for 64-bit MSI target address Will McVicker
2022-08-12 2:46 ` Han Jingoo
2022-08-23 11:27 ` Robin Murphy
2022-08-25 18:39 ` William McVicker
2022-08-23 10:01 ` [PATCH v4 0/2] PCI: dwc: Add support for 64-bit MSI target addresses Lorenzo Pieralisi
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='CAL_JsqLAP1kh7Hv6G08PuvpW8oRkXYasT=+6-VXAYg=fXfBvSA@mail.gmail.com' \
--to=robh@kernel.org \
--cc=bhelgaas@google.com \
--cc=gustavo.pimentel@synopsys.com \
--cc=hch@infradead.org \
--cc=isaacmanjarres@google.com \
--cc=jingoohan1@gmail.com \
--cc=kernel-team@android.com \
--cc=kw@linux.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pci@vger.kernel.org \
--cc=lpieralisi@kernel.org \
--cc=vidyas@nvidia.com \
--cc=willmcvicker@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.