From: "Krzysztof Wilczyński" <kw@linux.com>
To: Bjorn Helgaas <bhelgaas@google.com>
Cc: Rob Herring <robh@kernel.org>,
Jonathan Cameron <Jonathan.Cameron@huawei.com>,
Jonathan Chocron <jonnyc@amazon.com>,
Shawn Lin <shawn.lin@rock-chips.com>,
Heiko Stuebner <heiko@sntech.de>,
Zhou Wang <wangzhou1@hisilicon.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Will Deacon <will@kernel.org>,
Robert Richter <rrichter@marvell.com>,
Michal Simek <michal.simek@xilinx.com>,
Toan Le <toan@os.amperecomputing.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
Florian Fainelli <f.fainelli@gmail.com>,
Ray Jui <rjui@broadcom.com>,
Scott Branden <sbranden@broadcom.com>,
Jonathan Derrick <jonathan.derrick@intel.com>,
linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linuxppc-dev@lists.ozlabs.org,
linux-rockchip@lists.infradead.org,
linux-rpi-kernel@lists.infradead.org,
bcm-kernel-feedback-list@broadcom.com
Subject: [PATCH v6 4/5] PCI: vmd: Update type of the __iomem pointers
Date: Sun, 29 Nov 2020 23:07:42 +0000 [thread overview]
Message-ID: <20201129230743.3006978-5-kw@linux.com> (raw)
In-Reply-To: <20201129230743.3006978-1-kw@linux.com>
Use "void __iomem" instead "char __iomem" pointer type when working with
the accessor functions (with names like readb() or writel(), etc.) to
better match a given accessor function signature where commonly the
address pointing to an I/O memory region would be a "void __iomem"
pointer.
Related:
https://lwn.net/Articles/102232/
Suggested-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Krzysztof Wilczyński <kw@linux.com>
---
drivers/pci/controller/vmd.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/pci/controller/vmd.c b/drivers/pci/controller/vmd.c
index 1361a79bd1e7..59fa9a94860f 100644
--- a/drivers/pci/controller/vmd.c
+++ b/drivers/pci/controller/vmd.c
@@ -95,7 +95,7 @@ struct vmd_dev {
struct pci_dev *dev;
spinlock_t cfg_lock;
- char __iomem *cfgbar;
+ void __iomem *cfgbar;
int msix_count;
struct vmd_irq_list *irqs;
@@ -326,7 +326,7 @@ static void vmd_remove_irq_domain(struct vmd_dev *vmd)
}
}
-static char __iomem *vmd_cfg_addr(struct vmd_dev *vmd, struct pci_bus *bus,
+static void __iomem *vmd_cfg_addr(struct vmd_dev *vmd, struct pci_bus *bus,
unsigned int devfn, int reg, int len)
{
unsigned int busnr_ecam = bus->number - vmd->busn_start;
@@ -346,7 +346,7 @@ static int vmd_pci_read(struct pci_bus *bus, unsigned int devfn, int reg,
int len, u32 *value)
{
struct vmd_dev *vmd = vmd_from_bus(bus);
- char __iomem *addr = vmd_cfg_addr(vmd, bus, devfn, reg, len);
+ void __iomem *addr = vmd_cfg_addr(vmd, bus, devfn, reg, len);
unsigned long flags;
int ret = 0;
@@ -381,7 +381,7 @@ static int vmd_pci_write(struct pci_bus *bus, unsigned int devfn, int reg,
int len, u32 value)
{
struct vmd_dev *vmd = vmd_from_bus(bus);
- char __iomem *addr = vmd_cfg_addr(vmd, bus, devfn, reg, len);
+ void __iomem *addr = vmd_cfg_addr(vmd, bus, devfn, reg, len);
unsigned long flags;
int ret = 0;
--
2.29.2
next prev parent reply other threads:[~2020-11-29 23:08 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-29 23:07 [PATCH v6 0/5] PCI: Unify ECAM constants in native PCI Express drivers Krzysztof Wilczyński
2020-11-29 23:07 ` [PATCH v6 1/5] " Krzysztof Wilczyński
2020-11-30 11:08 ` Lorenzo Pieralisi
2020-11-30 15:30 ` Krzysztof Wilczyński
2020-11-30 18:23 ` Derrick, Jonathan
2020-12-06 20:16 ` Krzysztof Wilczyński
2020-12-07 3:25 ` Florian Fainelli
2020-12-07 20:29 ` Jim Quinlan
2020-11-29 23:07 ` [PATCH v6 2/5] PCI: thunder-pem: Add constant for custom ".bus_shit" initialiser Krzysztof Wilczyński
2020-11-29 23:07 ` [PATCH v6 3/5] PCI: iproc: Convert to use the new ECAM constants Krzysztof Wilczyński
2020-11-29 23:07 ` Krzysztof Wilczyński [this message]
2020-11-30 9:06 ` [PATCH v6 4/5] PCI: vmd: Update type of the __iomem pointers David Laight
2020-11-30 17:20 ` Bjorn Helgaas
2020-11-30 18:19 ` Derrick, Jonathan
2020-11-29 23:07 ` [PATCH v6 5/5] PCI: xgene: Removed unused ".bus_shift" initialisers from pci-xgene.c Krzysztof Wilczyński
2020-12-01 15:34 ` [PATCH v6 0/5] PCI: Unify ECAM constants in native PCI Express drivers Lorenzo Pieralisi
2020-12-08 15:41 ` Michael Walle
2020-12-08 21:06 ` Bjorn Helgaas
2020-12-08 21:11 ` Michael Walle
2020-12-09 12:36 ` Bjorn Helgaas
2020-12-09 13:08 ` Michael Walle
2020-12-09 14:57 ` Bjorn Helgaas
2020-12-09 15:40 ` Michael Walle
2020-12-09 20:29 ` Vladimir Oltean
2020-12-09 20:59 ` Bjorn Helgaas
2020-12-09 21:20 ` Vladimir Oltean
2020-12-09 21:34 ` Bjorn Helgaas
2020-12-09 21:43 ` Vladimir Oltean
2020-12-09 22:05 ` Bjorn Helgaas
2020-12-10 17:38 ` Bjorn Helgaas
2020-12-10 19:58 ` Michael Walle
2020-12-08 16:07 ` Qian Cai
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=20201129230743.3006978-5-kw@linux.com \
--to=kw@linux.com \
--cc=Jonathan.Cameron@huawei.com \
--cc=bcm-kernel-feedback-list@broadcom.com \
--cc=benh@kernel.crashing.org \
--cc=bhelgaas@google.com \
--cc=f.fainelli@gmail.com \
--cc=heiko@sntech.de \
--cc=jonathan.derrick@intel.com \
--cc=jonnyc@amazon.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-pci@vger.kernel.org \
--cc=linux-rockchip@lists.infradead.org \
--cc=linux-rpi-kernel@lists.infradead.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=lorenzo.pieralisi@arm.com \
--cc=michal.simek@xilinx.com \
--cc=mpe@ellerman.id.au \
--cc=nsaenzjulienne@suse.de \
--cc=paulus@samba.org \
--cc=rjui@broadcom.com \
--cc=robh@kernel.org \
--cc=rrichter@marvell.com \
--cc=sbranden@broadcom.com \
--cc=shawn.lin@rock-chips.com \
--cc=thomas.petazzoni@bootlin.com \
--cc=toan@os.amperecomputing.com \
--cc=wangzhou1@hisilicon.com \
--cc=will@kernel.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).