From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: "Mickaël Salaün" <mic@digikod.net>,
"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
"Krzysztof Wilczyński" <kw@linux.com>,
"Mika Westerberg" <mika.westerberg@linux.intel.com>,
"Michael Ellerman" <mpe@ellerman.id.au>,
"Randy Dunlap" <rdunlap@infradead.org>,
"Arnd Bergmann" <arnd@arndb.de>,
"Philippe Mathieu-Daudé" <philmd@linaro.org>,
"Niklas Schnelle" <schnelle@linux.ibm.com>,
"Bjorn Helgaas" <helgaas@kernel.org>,
"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
"Pali Rohár" <pali@kernel.org>,
"Maciej W. Rozycki" <macro@orcam.me.uk>,
"Juergen Gross" <jgross@suse.com>,
"Dominik Brodowski" <linux@dominikbrodowski.net>,
linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org,
linux-arm-kernel@list
Cc: Miguel Ojeda <ojeda@kernel.org>,
Richard Henderson <richard.henderson@linaro.org>,
Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
Matt Turner <mattst88@gmail.com>,
Russell King <linux@armlinux.org.uk>,
Andrew Lunn <andrew@lunn.ch>,
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
Gregory Clement <gregory.clement@bootlin.com>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Nicholas Piggin <npiggin@gmail.com>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Anatolij Gustschin <agust@denx.de>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
Rich Felker <dalias@libc.org>,
John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
"David S. Miller" <davem@davemloft.net>,
Bjorn Helgaas <bhelgaas@google.com>,
Stefano Stabellini <sstabellini@kernel.org>
Subject: [PATCH v8 2/7] PCI: Introduce pci_resource_n()
Date: Thu, 30 Mar 2023 19:24:29 +0300 [thread overview]
Message-ID: <20230330162434.35055-3-andriy.shevchenko@linux.intel.com> (raw)
In-Reply-To: <20230330162434.35055-1-andriy.shevchenko@linux.intel.com>
Introduce pci_resource_n() and replace open-coded implementations of it
in pci.h.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
include/linux/pci.h | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/include/linux/pci.h b/include/linux/pci.h
index b50e5c79f7e3..aeaa95455d4c 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1995,14 +1995,13 @@ int pci_iobar_pfn(struct pci_dev *pdev, int bar, struct vm_area_struct *vma);
* These helpers provide future and backwards compatibility
* for accessing popular PCI BAR info
*/
-#define pci_resource_start(dev, bar) ((dev)->resource[(bar)].start)
-#define pci_resource_end(dev, bar) ((dev)->resource[(bar)].end)
-#define pci_resource_flags(dev, bar) ((dev)->resource[(bar)].flags)
-#define pci_resource_len(dev,bar) \
- ((pci_resource_end((dev), (bar)) == 0) ? 0 : \
- \
- (pci_resource_end((dev), (bar)) - \
- pci_resource_start((dev), (bar)) + 1))
+#define pci_resource_n(dev, bar) (&(dev)->resource[(bar)])
+#define pci_resource_start(dev, bar) (pci_resource_n(dev, bar)->start)
+#define pci_resource_end(dev, bar) (pci_resource_n(dev, bar)->end)
+#define pci_resource_flags(dev, bar) (pci_resource_n(dev, bar)->flags)
+#define pci_resource_len(dev,bar) \
+ (pci_resource_end((dev), (bar)) ? \
+ resource_size(pci_resource_n((dev), (bar))) : 0)
/*
* Similar to the helpers above, these manipulate per-pci_dev
--
2.40.0.1.gaa8946217a0b
next prev parent reply other threads:[~2023-03-30 16:24 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-30 16:24 [PATCH v8 0/7] Add pci_dev_for_each_resource() helper and update users Andy Shevchenko
2023-03-30 16:24 ` [PATCH v8 1/7] kernel.h: Split out COUNT_ARGS() and CONCATENATE() Andy Shevchenko
2023-03-30 16:24 ` Andy Shevchenko [this message]
2023-03-30 16:24 ` [PATCH v8 3/7] PCI: Introduce pci_dev_for_each_resource() Andy Shevchenko
2023-03-30 16:24 ` [PATCH v8 4/7] PCI: Document pci_bus_for_each_resource() to avoid confusion Andy Shevchenko
2023-03-30 16:24 ` [PATCH v8 5/7] PCI: Allow pci_bus_for_each_resource() to take less arguments Andy Shevchenko
2023-04-05 11:50 ` Andy Shevchenko
2023-04-05 20:11 ` Bjorn Helgaas
2023-03-30 16:24 ` [PATCH v8 6/7] EISA: Convert to use less arguments in pci_bus_for_each_resource() Andy Shevchenko
2023-03-30 16:24 ` [PATCH v8 7/7] pcmcia: " Andy Shevchenko
2023-04-05 8:30 ` Andy Shevchenko
2023-04-04 16:11 ` [PATCH v8 0/7] Add pci_dev_for_each_resource() helper and update users Bjorn Helgaas
2023-04-05 8:28 ` Andy Shevchenko
2023-04-05 20:18 ` Bjorn Helgaas
2023-04-06 10:31 ` Andy Shevchenko
2023-05-09 18:21 ` Bjorn Helgaas
2023-05-12 10:56 ` Andy Shevchenko
2023-05-12 19:48 ` Bjorn Helgaas
2023-05-30 21:24 ` Bjorn Helgaas
2023-05-31 18:48 ` Jonas Gorski
2023-05-31 21:30 ` Bjorn Helgaas
2023-06-01 11:17 ` Jonas Gorski
2023-06-05 14:04 ` Andy Shevchenko
2023-06-01 16:25 ` Andy Shevchenko
2023-06-01 16:27 ` Andy Shevchenko
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