From: Rob Herring <robh@kernel.org>
To: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Cc: "Jingoo Han" <jingoohan1@gmail.com>,
"Gustavo Pimentel" <gustavo.pimentel@synopsys.com>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Lorenzo Pieralisi" <lorenzo.pieralisi@arm.com>,
"Krzysztof Wilczyński" <kw@linux.com>,
"Serge Semin" <fancer.lancer@gmail.com>,
"Alexey Malahov" <Alexey.Malahov@baikalelectronics.ru>,
"Pavel Parkhomenko" <Pavel.Parkhomenko@baikalelectronics.ru>,
"Frank Li" <Frank.Li@nxp.com>,
"Manivannan Sadhasivam" <manivannan.sadhasivam@linaro.org>,
linux-pci@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 10/16] PCI: dwc: Drop iATU regions enumeration - dw_pcie_region_type
Date: Tue, 29 Mar 2022 10:31:18 -0500 [thread overview]
Message-ID: <YkMmRrF0e7WyvKsO@robh.at.kernel.org> (raw)
In-Reply-To: <20220324013734.18234-11-Sergey.Semin@baikalelectronics.ru>
On Thu, Mar 24, 2022 at 04:37:28AM +0300, Serge Semin wrote:
> There is no point in having the dw_pcie_region_type enumeration for almost
> the same reasons as it was stated for dw_pcie_as_type. First of all it's
> redundant since the driver already has a set of macro declared which
> describe the possible inbound and outbound iATU regions. Having an
> addition abstraction just needlessly complicates the code. Secondly
> checking the region index passed to the dw_pcie_disable_atu() method for
> validity is pointless since the erroneous situation will be just
> ignored in the current code implementation. So to speak let's drop the
> redundant dw_pcie_region_type enumeration replacing it with the direct
> iATU direction macro usage.
>
> While at it we suggest to convert the dw_pcie_disable_atu() method to
> being more consistent with the dw_pcie_readl_atu{_ib}() and
> dw_pcie_readl_atu{_ob}() functions by having the direction parameter
> specified ahead of the region index. Thus the code will be a little bit
> more pleasant to read.
>
> Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
> ---
> drivers/pci/controller/dwc/pcie-designware-ep.c | 4 ++--
> .../pci/controller/dwc/pcie-designware-host.c | 2 +-
> drivers/pci/controller/dwc/pcie-designware.c | 16 +---------------
> drivers/pci/controller/dwc/pcie-designware.h | 9 +--------
> 4 files changed, 5 insertions(+), 26 deletions(-)
This answers my question. I would have expected this to come before the
previous patch, but if it's easier to do it this way it's fine.
Reviewed-by: Rob Herring <robh@kernel.org>
next prev parent reply other threads:[~2022-03-29 15:31 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-24 1:37 [PATCH 00/16] PCI: dwc: Add dma-ranges/YAML-schema/Baikal-T1 support Serge Semin
2022-03-24 1:37 ` [PATCH 01/16] dt-bindings: PCI: dwc: Define generic and native DT bindings Serge Semin
2022-03-28 20:46 ` Rob Herring
2022-04-15 16:14 ` Serge Semin
2022-03-24 1:37 ` [PATCH 02/16] dt-bindings: PCI: dwc: Add Baikal-T1 PCIe Root Port bindings Serge Semin
2022-03-28 23:20 ` Rob Herring
2022-04-15 20:22 ` Serge Semin
2022-03-24 1:37 ` [PATCH 03/16] PCI: dwc: Add more verbose link-up message Serge Semin
2022-03-28 23:31 ` Joe Perches
2022-04-16 8:01 ` Serge Semin
2022-03-29 14:47 ` Rob Herring
2022-04-17 10:10 ` Serge Semin
2022-03-24 1:37 ` [PATCH 04/16] PCI: dwc: Convert to using native IP-core versions representation Serge Semin
2022-03-29 15:00 ` Rob Herring
2022-04-17 14:42 ` Serge Semin
2022-03-24 1:37 ` [PATCH 05/16] PCI: dwc: Add IP-core version detection procedure Serge Semin
2022-03-29 15:08 ` Rob Herring
2022-04-17 15:13 ` Serge Semin
2022-03-24 1:37 ` [PATCH 06/16] PCI: dwc: Introduce Synopsys IP-core versions/types interface Serge Semin
2022-03-24 1:37 ` [PATCH 07/16] PCI: dwc: Add host de-initialization callback Serge Semin
2022-03-24 1:37 ` [PATCH 08/16] PCI: dwc: Drop inbound iATU types enumeration - dw_pcie_as_type Serge Semin
2022-03-29 15:16 ` Rob Herring
2022-03-24 1:37 ` [PATCH 09/16] PCI: dwc: Simplify in/outbound iATU setup methods Serge Semin
2022-03-29 15:28 ` Rob Herring
2022-04-17 20:08 ` Serge Semin
2022-03-24 1:37 ` [PATCH 10/16] PCI: dwc: Drop iATU regions enumeration - dw_pcie_region_type Serge Semin
2022-03-29 15:31 ` Rob Herring [this message]
2022-04-17 17:52 ` Serge Semin
2022-03-24 1:37 ` [PATCH 11/16] PCI: dwc: Add iATU regions size detection procedure Serge Semin
2022-03-24 1:37 ` [PATCH 12/16] PCI: dwc: Verify in/out regions against iATU constraints Serge Semin
2022-03-24 1:37 ` [PATCH 13/16] PCI: dwc: Check iATU in/outbound ranges setup methods status Serge Semin
2022-03-24 1:37 ` [PATCH 14/16] PCI: dwc: Introduce dma-ranges property support for RC-host Serge Semin
2022-03-24 1:37 ` [PATCH 15/16] PCI: dwc: Introduce generic platform clocks and resets sets Serge Semin
2022-03-24 1:37 ` [PATCH 16/16] PCI: dwc: Add Baikal-T1 PCIe controller support Serge Semin
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=YkMmRrF0e7WyvKsO@robh.at.kernel.org \
--to=robh@kernel.org \
--cc=Alexey.Malahov@baikalelectronics.ru \
--cc=Frank.Li@nxp.com \
--cc=Pavel.Parkhomenko@baikalelectronics.ru \
--cc=Sergey.Semin@baikalelectronics.ru \
--cc=bhelgaas@google.com \
--cc=devicetree@vger.kernel.org \
--cc=fancer.lancer@gmail.com \
--cc=gustavo.pimentel@synopsys.com \
--cc=jingoohan1@gmail.com \
--cc=kw@linux.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pci@vger.kernel.org \
--cc=lorenzo.pieralisi@arm.com \
--cc=manivannan.sadhasivam@linaro.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).