From: "andriy.shevchenko@intel.com" <andriy.shevchenko@intel.com>
To: Dilip Kota <eswara.kota@linux.intel.com>
Cc: Gustavo Pimentel <Gustavo.Pimentel@synopsys.com>,
"jingoohan1@gmail.com" <jingoohan1@gmail.com>,
"lorenzo.pieralisi@arm.com" <lorenzo.pieralisi@arm.com>,
"andrew.murray@arm.com" <andrew.murray@arm.com>,
"robh@kernel.org" <robh@kernel.org>,
"martin.blumenstingl@googlemail.com"
<martin.blumenstingl@googlemail.com>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
"hch@infradead.org" <hch@infradead.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"cheol.yong.kim@intel.com" <cheol.yong.kim@intel.com>,
"chuanhua.lei@linux.intel.com" <chuanhua.lei@linux.intel.com>,
"qi-ming.wu@intel.com" <qi-ming.wu@intel.com>
Subject: Re: [PATCH v4 2/3] dwc: PCI: intel: PCIe RC controller driver
Date: Tue, 22 Oct 2019 14:44:13 +0300 [thread overview]
Message-ID: <20191022114413.GG32742@smile.fi.intel.com> (raw)
In-Reply-To: <e86116b7-b65f-f31e-abb7-a4533aa6d592@linux.intel.com>
On Tue, Oct 22, 2019 at 06:18:57PM +0800, Dilip Kota wrote:
> On 10/21/2019 6:44 PM, Dilip Kota wrote:
> > On 10/21/2019 4:29 PM, Gustavo Pimentel wrote:
> > > On Mon, Oct 21, 2019 at 7:39:19, Dilip Kota
> > > <eswara.kota@linux.intel.com>
> > > wrote:
First of all, it's a good behaviour to avoid way long quoting.
> > > > +static void pcie_update_bits(void __iomem *base, u32 mask, u32
> > > > val, u32 ofs)
> > > > +{
> > > > + u32 orig, tmp;
> > > > +
> > > > + orig = readl(base + ofs);
> > > > +
> > > > + tmp = (orig & ~mask) | (val & mask);
> > > > +
> > > > + if (tmp != orig)
> > > > + writel(tmp, base + ofs);
> > > > +}
> > > I'd suggest to the a take on FIELD_PREP() and FIELD_GET() and use more
> > > intuitive names such as new and old, instead of orig and tmp.
> > Sure, i will update it.
> I tried using FIELD_PREP and FIELD_GET but it is failing because FIELD_PREP
> and FIELD_GET
> are expecting mask should be constant macro. u32 or u32 const are not
> accepted.
If you look at bitfield.h carefully you may find in particular
u32_replace_bits().
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2019-10-22 11:44 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-21 6:39 [PATCH v4 0/3] PCI: Add Intel PCIe Driver and respective dt-binding yaml file Dilip Kota
2019-10-21 6:39 ` [PATCH v4 1/3] dt-bindings: PCI: intel: Add YAML schemas for the PCIe RC controller Dilip Kota
2019-10-21 11:19 ` Andrew Murray
2019-10-22 10:15 ` Dilip Kota
2019-10-24 20:31 ` Martin Blumenstingl
2019-10-29 7:53 ` Dilip Kota
2019-10-25 16:53 ` Rob Herring
2019-10-29 8:34 ` Dilip Kota
2019-10-31 10:51 ` Dilip Kota
2019-10-31 18:35 ` Rob Herring
2019-10-21 6:39 ` [PATCH v4 2/3] dwc: PCI: intel: PCIe RC controller driver Dilip Kota
2019-10-21 8:29 ` Gustavo Pimentel
2019-10-21 10:44 ` Dilip Kota
2019-10-22 10:18 ` Dilip Kota
2019-10-22 11:44 ` andriy.shevchenko [this message]
2019-10-25 9:01 ` Andrew Murray
2019-10-29 6:14 ` Dilip Kota
2019-10-21 13:03 ` Andrew Murray
2019-10-22 9:04 ` Dilip Kota
2019-10-25 9:09 ` Andrew Murray
2019-10-29 8:59 ` Dilip Kota
2019-11-01 10:59 ` Andrew Murray
2019-11-04 9:34 ` Dilip Kota
2019-11-04 10:47 ` Andrew Murray
2019-10-21 17:17 ` Bjorn Helgaas
2019-10-22 9:07 ` Dilip Kota
2019-10-22 13:09 ` Bjorn Helgaas
2019-10-29 7:45 ` Dilip Kota
2019-10-24 6:57 ` kbuild test robot
2019-10-25 13:11 ` kbuild test robot
2019-10-25 13:11 ` [RFC PATCH] dwc: PCI: intel: intel_pcie_msi_init() can be static kbuild test robot
2019-10-21 6:39 ` [PATCH v4 3/3] pci: intel: Add sysfs attributes to configure pcie link Dilip Kota
2019-10-21 8:40 ` Gustavo Pimentel
2019-10-21 10:34 ` Dilip Kota
2019-10-21 13:38 ` Andrew Murray
2019-10-21 17:18 ` Bjorn Helgaas
2019-10-22 9:27 ` Dilip Kota
2019-10-22 12:59 ` Bjorn Helgaas
2019-10-29 9:31 ` Dilip Kota
2019-10-30 22:14 ` Bjorn Helgaas
2019-10-30 23:31 ` Rafael J. Wysocki
2019-10-31 2:56 ` Bjorn Helgaas
2019-10-31 9:13 ` Rafael J. Wysocki
2019-10-31 13:01 ` Bjorn Helgaas
2019-10-31 10:47 ` Dilip Kota
2019-10-31 13:22 ` Bjorn Helgaas
2019-11-01 5:47 ` Dilip Kota
2019-11-01 11:30 ` Andrew Murray
2019-10-29 10:42 ` Rafael J. Wysocki
2019-10-29 12:36 ` Bjorn Helgaas
2019-10-22 9:20 ` Dilip Kota
2019-10-25 9:34 ` Andrew Murray
2019-10-29 9:51 ` Dilip Kota
2019-10-21 8:08 ` [PATCH v4 0/3] PCI: Add Intel PCIe Driver and respective dt-binding yaml file Gustavo Pimentel
2019-10-21 8:31 ` Dilip Kota
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