From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
To: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: Jingoo Han <jg1.han@samsung.com>,
'Kukjin Kim' <kgene.kim@samsung.com>,
'Bjorn Helgaas' <bhelgaas@google.com>,
'Jason Gunthorpe' <jgunthorpe@obsidianresearch.com>,
linux-samsung-soc@vger.kernel.org,
'Siva Reddy Kallam' <siva.kallam@samsung.com>,
linux-pci@vger.kernel.org, devicetree-discuss@lists.ozlabs.org,
'Thierry Reding' <thierry.reding@avionic-design.de>,
linux-kernel@vger.kernel.org,
'Grant Likely' <grant.likely@secretlab.ca>,
'Surendranath Gurivireddy Balla' <suren.reddy@samsung.com>,
'Thomas Abraham' <thomas.abraham@linaro.org>,
'Andrew Murray' <andrew.murray@arm.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/6] of/pci: Provide support for parsing PCI DT ranges property
Date: Sat, 23 Mar 2013 14:37:04 +0100 [thread overview]
Message-ID: <20130323143704.5da5d20c@skate> (raw)
In-Reply-To: <20130323104156.GL4977@n2100.arm.linux.org.uk>
On Sat, 23 Mar 2013 10:41:56 +0000, Russell King - ARM Linux wrote:
> Please look at how IORESOURCE_* stuff is defined:
> #define IORESOURCE_TYPE_BITS 0x00001f00 /* Resource type */
> #define IORESOURCE_IO 0x00000100 /* PCI/ISA I/O ports */
> #define IORESOURCE_MEM 0x00000200
> #define IORESOURCE_REG 0x00000300 /* Register offsets */
> #define IORESOURCE_IRQ 0x00000400
> #define IORESOURCE_DMA 0x00000800
> #define IORESOURCE_BUS 0x00001000
>
> Notice that it's not an array of bits.
>
> So this should be:
> if ((iter.flags & IORESOURCE_TYPE_BITS) == IORESOURCE_IO) {
What I've done for the Marvell PCIe driver is:
+ for_each_of_pci_range(&iter, np) {
+ unsigned long restype = iter.flags & IORESOURCE_TYPE_BITS;
+ if (restype == IORESOURCE_IO) {
[...]
+ if (restype == IORESOURCE_MEM) {
[...]
Thomas
--
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
WARNING: multiple messages have this Message-ID (diff)
From: thomas.petazzoni@free-electrons.com (Thomas Petazzoni)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/6] of/pci: Provide support for parsing PCI DT ranges property
Date: Sat, 23 Mar 2013 14:37:04 +0100 [thread overview]
Message-ID: <20130323143704.5da5d20c@skate> (raw)
In-Reply-To: <20130323104156.GL4977@n2100.arm.linux.org.uk>
On Sat, 23 Mar 2013 10:41:56 +0000, Russell King - ARM Linux wrote:
> Please look at how IORESOURCE_* stuff is defined:
> #define IORESOURCE_TYPE_BITS 0x00001f00 /* Resource type */
> #define IORESOURCE_IO 0x00000100 /* PCI/ISA I/O ports */
> #define IORESOURCE_MEM 0x00000200
> #define IORESOURCE_REG 0x00000300 /* Register offsets */
> #define IORESOURCE_IRQ 0x00000400
> #define IORESOURCE_DMA 0x00000800
> #define IORESOURCE_BUS 0x00001000
>
> Notice that it's not an array of bits.
>
> So this should be:
> if ((iter.flags & IORESOURCE_TYPE_BITS) == IORESOURCE_IO) {
What I've done for the Marvell PCIe driver is:
+ for_each_of_pci_range(&iter, np) {
+ unsigned long restype = iter.flags & IORESOURCE_TYPE_BITS;
+ if (restype == IORESOURCE_IO) {
[...]
+ if (restype == IORESOURCE_MEM) {
[...]
Thomas
--
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
next prev parent reply other threads:[~2013-03-23 13:37 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-23 4:04 [PATCH 1/6] of/pci: Provide support for parsing PCI DT ranges property Jingoo Han
2013-03-23 4:04 ` Jingoo Han
2013-03-23 4:05 ` [PATCH 2/6] of/pci: Add of_pci_parse_bus_range() function Jingoo Han
2013-03-23 4:05 ` Jingoo Han
2013-03-23 4:05 ` Jingoo Han
2013-03-23 4:06 ` [PATCH 3/6] pci: infrastructure to add drivers in drivers/pci/host Jingoo Han
2013-03-23 4:06 ` Jingoo Han
2013-03-23 4:07 ` [PATCH 4/6] pci: Add PCIe driver for Samsung Exynos Jingoo Han
2013-03-23 4:07 ` Jingoo Han
2013-03-23 4:07 ` Jingoo Han
2013-03-26 21:33 ` Rob Herring
2013-03-26 21:33 ` Rob Herring
2013-03-27 1:29 ` Jingoo Han
2013-03-27 1:29 ` Jingoo Han
2013-03-23 4:08 ` [PATCH 5/6] ARM: EXYNOS: Enable PCIe support for Exynos5440 Jingoo Han
2013-03-23 4:08 ` Jingoo Han
2013-03-23 4:09 ` [PATCH 6/6] ARM: dts: Add pcie controller node for Samsung EXYNOS5440 SoC Jingoo Han
2013-03-23 4:09 ` Jingoo Han
2013-03-25 17:04 ` Jason Gunthorpe
2013-03-25 17:04 ` Jason Gunthorpe
2013-03-27 8:35 ` Jingoo Han
2013-03-27 8:35 ` Jingoo Han
2013-03-27 8:35 ` Jingoo Han
2013-03-27 16:13 ` Jason Gunthorpe
2013-03-27 16:13 ` Jason Gunthorpe
2013-04-08 9:08 ` Jingoo Han
2013-04-08 9:08 ` Jingoo Han
2013-04-08 9:08 ` Jingoo Han
2013-04-08 16:56 ` Jason Gunthorpe
2013-04-08 16:56 ` Jason Gunthorpe
2013-06-07 9:19 ` Jingoo Han
2013-06-07 9:19 ` Jingoo Han
2013-06-07 11:59 ` Arnd Bergmann
2013-06-07 11:59 ` Arnd Bergmann
2013-06-07 16:20 ` Jason Gunthorpe
2013-06-07 16:20 ` Jason Gunthorpe
2013-06-07 17:43 ` Arnd Bergmann
2013-06-07 17:43 ` Arnd Bergmann
2013-06-10 8:38 ` Jingoo Han
2013-06-10 8:38 ` Jingoo Han
2013-06-10 15:22 ` Arnd Bergmann
2013-06-10 15:22 ` Arnd Bergmann
2013-06-11 6:00 ` Jingoo Han
2013-06-11 6:00 ` Jingoo Han
2013-06-12 15:10 ` Arnd Bergmann
2013-06-12 15:10 ` Arnd Bergmann
2013-03-23 10:41 ` [PATCH 1/6] of/pci: Provide support for parsing PCI DT ranges property Russell King - ARM Linux
2013-03-23 10:41 ` Russell King - ARM Linux
2013-03-23 13:37 ` Thomas Petazzoni [this message]
2013-03-23 13:37 ` Thomas Petazzoni
2013-03-25 10:21 ` Andrew Murray
2013-03-25 10:21 ` Andrew Murray
2013-03-25 10:21 ` Andrew Murray
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