| Commit message (Collapse) | Author | Age |
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
Pull hwmon updates from Jean Delvare:
"We have support for the MCP3021, MC13892 and GMT G781, automatic fan
speed control for LM63/LM64 chips, and a few clean-ups."
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
hwmon: Add MCP3021 ADC driver
hwmon: (mc13783-adc) Add support for the MC13892 PMIC
hwmon: (mc13783-adc) Remove space before tab
hwmon: (lm63) Let the user adjust the lookup table
hwmon: (lm63) Make fan speed control strategy changeable
hwmon: (lm63) Reorganize the code
hwmon: (lm90) Restore original configuration if probe function fails
hwmon: (lm90) Add support for GMT G781
hwmon: (lm90) Fix multi-line comments
hwmon: (w83795) Fix multi-line comments
hwmon: (w83795) Unconditionally support manual fan speed control
hwmon: (fam15h_power) Increase output resolution
hwmon: (fam15h_power) Correct sign extension of running_avg_capture
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Add I2C driver for MCP3021 that is an ADC chip from Microchip.
The MCP3021 is a successive approximation A/D converter (ADC)
with 10-bit resolution.
The driver export the value of Vin to sysfs, the voltage unit is
mV. Through the sysfs interface, lm-sensors tool can also display
Vin voltage.
Signed-off-by: Mingkai Hu <Mingkai.hu@freescale.com>
Signed-off-by: Xie Xiaobo <X.Xie@freescale.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Based on a patch by David Jander that mostly did s/mc13783/mc13xxx/ .
Additionally use dev_get_drvdata instead of to_platform_device +
platform_get_drvdata in mc13783_adc_read (spotted by Jean Delvare).
Cc: David Jander <david.jander@protonic.nl>
Signed-off-by: Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Signed-off-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Make the automatic fan speed control lookup table writable. This lets
the user tweak the fan speed / temperature response curve.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
Tested-by: Guenter Roeck <guenter.roeck@ericsson.com>
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Let the user switch between automatic and manual fan speed control.
Before switching to automatic fan speed control, we always check that
the lookup table looks sane.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
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Reorder functions and driver declaration to no longer need to
forward-declare functions. Also rename new_client to just client
everywhere for readability.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
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The lm90 driver restores the original chip configuration in its exit function.
However, the chip configuration is not restored if the probe function fails.
Restore it there as well.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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GMT G781 is a ADM1032-compatible temperature sensor chip.
Add support to the LM90 driver.
Cc: Mike Gorchak <lestat@i.com.ua>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Manual fan speed control uses a standard interface and has received
sufficient testing and review by now, it can be enabled
unconditionally. This includes attributes pwm[1-8], pwm[1-8]_enable,
pwm[1-8]_mode and pwm[1-8]_freq.
We only let the user switch from automatic mode to manual mode, but
not the other way around, as automatic control settings may not have
been set properly by the BIOS.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
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On high CPU load the accumulating values in the running_avg_cap
register are very low (below 10), so averaging them too early leads
to unnecessary poor output resolution. Since we pretend to output
micro-Watt we better keep all the bits we have as long as possible.
Signed-off-by: Andre Przywara <andre.przywara@amd.com>
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Wrong bit was used for sign extension which caused wrong end results.
Thanks to Andre for spotting this bug.
Reported-by: Andre Przywara <andre.przywara@amd.com>
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: stable@vger.kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU updates from Joerg Roedel:
"The IOMMU updates for this round are not very large patch-wise. But
they contain two new IOMMU drivers for the ARM Tegra 2 and 3
platforms. Besides that there are also a few patches for the AMD
IOMMU which prepare the driver for adding intr-remapping support and a
couple of fixes."
* tag 'iommu-updates-v3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/amd: Fix section mismatch
iommu/amd: Move interrupt setup code into seperate function
iommu/amd: Make sure IOMMU interrupts are re-enabled on resume
iommu/amd: Fix section warning for prealloc_protection_domains
iommu/amd: Don't initialize IOMMUv2 resources when not required
iommu/amd: Update git-tree in MAINTAINERS
iommu/tegra-gart: fix spin_unlock in map failure path
iommu/amd: Fix double free of mem-region in error-path
iommu/amd: Split amd_iommu_init function
ARM: IOMMU: Tegra30: Add iommu_ops for SMMU driver
ARM: IOMMU: Tegra20: Add iommu_ops for GART driver
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amd_iommu_enable_interrupts() called in amd_iommu_resume().
Signed-off-by: Gerard Snitselaar <dev@snitselaar.org>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
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For interrupt remapping the enablement of the IOMMU MSI
interrupt needs to be deferred because the IOMMU itself will
be initialized before the io-apics are up and running. So
the code to setup the MSI is moved seperated from the
hardware-setup routine now.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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Unfortunatly the interrupts for the event log and the
peripheral page-faults are only enabled at boot but not
re-enabled at resume. Fix that.
Cc: stable@vger.kernel.org
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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Fix the following section warning in drivers/iommu/amd_iommu.c :
WARNING: vmlinux.o(.text+0x526e77): Section mismatch in reference from the function prealloc_protection_domains() to the function .init.text:alloc_passthrough_domain()
The function prealloc_protection_domains() references
the function __init alloc_passthrough_domain().
This is often because prealloc_protection_domains lacks a __init
annotation or the annotation of alloc_passthrough_domain is wrong.
Cc: stable@vger.kernel.org
Signed-off-by: Steffen Persvold <sp@numascale.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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Add a check to the init-path of the AMD IOMMUv2 driver if
the hardware is available in the system. Only allocate all
the resources if it is really available.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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Since the kernel.org relaunch the URL for the IOMMU git tree
changed. Update MAINTAINERS file accordingly.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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When ioremap_nocache fails in iommu initialization the code
calls release_mem_region immediatly. But the function is
called again when the propagates into the upper init
functions leading to a double-free. Fix that.
Reported-by: Don Dutile <ddutile@redhat.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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The hardware-initializtion part of the AMD IOMMU driver is
split out into a seperate function. This function can now be
called either from amd_iommu_init() itself or any other
place if the hardware needs to be ready earlier. This will
be used to implement interrupt remapping for AMD.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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This must have been messed up while merging, the intention was
clearly to unlock there.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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Tegra 30 IOMMU H/W, SMMU (System Memory Management Unit). This patch
implements struct iommu_ops for SMMU for the upper IOMMU API.
This H/W module supports multiple virtual address spaces(domain x4),
and manages 2 level H/W translation pagetable.
Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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Tegra 20 IOMMU H/W, GART (Graphics Address Relocation Table). This
patch implements struct iommu_ops for GART for the upper IOMMU API.
This H/W module supports only single virtual address space(domain),
and manages a single level 1-to-1 mapping H/W translation page table.
[With small fixes by Joerg Roedel]
Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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Pull i2c embedded updates from Wolfram Sang:
"Nothing special from i2c-embedded for this merge window. Two new
drivers, minor feature additions, bugfixes, cleanups.
All patches have been in linux-next for some time, too."
* 'i2c-embedded/for-3.4' of git://git.pengutronix.de/git/wsa/linux:
i2c-eg20t: Remove write-only variables
i2c-eg20t: Rework pch_i2c_wait_for_bus_idle to reduce wait time
i2c-s3c2410: Add stub runtime power management
i2c-s3c2410: Convert to devm_kzalloc()
i2c: add CSR SiRFprimaII on-chip I2C controllers driver
i2c: tegra: Remove unnecessary write to INT_STATUS
i2c: imx: fix imx driver to work though signal is pending
i2c: designware: dw_i2c_init_driver as subsys initcall
misc: at24: describe platform_data with kernel_doc
i2c: Move I2C_EG20T option to the right place.
i2c: Support for Netlogic XLR/XLS I2C controller.
i2c: mpc: Add support for SMBUS_READ_BLOCK_DATA
i2c: versatile: Add Device Tree support
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Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
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If you insert several i2c transfers, the driver might start the next one
while the STOP bit of the previous transfer is still on the bus, marking
the bus as busy.
pch_i2c_wait_for_bus_idle does an msleep(20) delaying the next transfer
by >=20ms. Reduce wait time by actively waiting 5 us once, then using
usleep_range.
Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Acked-by: Tomoya MORINAGA <tomoya.rohm@gmail.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
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Add stub runtime_pm calls which go through the flow of enabling and
disabling but don't actually do anything with the device itself as
there's nothing useful we can do. This provides the core PM framework
with information about when the device is idle, enabling chip wide
power savings.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
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Saves remembering to call kfree(). There's some kfree()s used by the
resource still, these will be removed in 3.3 using the newly added
devm_request_and_ioremap().
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
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SiRFprimaII is the latest generation application processor from CSR’s
multi-function SoC product family.
The SoC support codes are in arch/arm/mach-prima2 from Linux mainline
3.0.
There are two I2C controllers on primaII, features include:
* Two I2C controller modules are on chip
* RISC I/O bus read write register
* Up to 16 bytes data buffer for issuing commands and writing data
at the same time
* Up to 16 commands, and receiving read data 16 bytes at a time
* Error INT report (ACK check)
* No-ACK bus protocols (SCCB bus protocols)
Signed-off-by: Zhiwu Song <Zhiwu.Song@csr.com>
Signed-off-by: Xiangzhen Ye <Xiangzhen.Ye@csr.com>
Signed-off-by: Yuping Luo <Yuping.Luo@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
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The write is not necessary and may cause the I2C controller to misbehave.
With this fix, I2C on Tegra30 works (at least, running i2cdump repeatedly
on the WM8903 on Cardhu's I2C5/DVC bus).
Signed-off-by: Alok Chauhan <alokc@nvidia.com>
[swarren: Reworded commit description]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
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Interrupt a test application for I2C based mc13xxx driven
touch panel, SIGINT, causes open event file descriptor to be
closed, which in turn causes I2C activity to mask PMIC local
interrupts. This eventually ends up in i2c_imx_bus_busy to
wait for some busy flag to toggle, but while waiting it would
find a signal pending and break. The final symptom is the
device is not closed down cleanly and thus not reopenable.
Do without check for pending signal.
Signed-off-by: Oskar Schirmer <oskar@scara.com>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
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There are few drivers which are available on i2c bus but have been initialized
with subsys_initcall. Also as I2C is a bus driver, it should be available as
early as possible.
Signed-off-by: Pratyush Anand <pratyush.anand@st.com>
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
[wsa: Slightly updated the commit message]
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
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There have been questions about its fields lately, so describe them properly.
Reported-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Wolfram Sang <wolfram@the-dreams.de>
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Move Kconfig option for I2C_EG20T to the correct position and keep
the options sorted.
Also, use tabs in Makefile and move the I2C_EG20T entry to its
position.
Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
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Add support for the intergrated I2C controller on Netlogic
XLR/XLS MIPS SoC.
The changes are to add a new file i2c/buses/i2c-xlr.c, containing the
i2c bus implementation, and to update i2c/buses/{Kconfig,Makefile} to
add the CONFIG_I2C_XLR option.
Signed-off-by: Ganesan Ramalingam <ganesanr@netlogicmicro.com>
Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
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Add support for SMBUS_READ_BLOCK_DATA to the i2c-mpc bus driver.
Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
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This patch adds Device Tree binding ("arm,versatile-i2c") and
basic support (bus population) to versatile-i2c driver.
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
[wsa: constified match-table]
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci
Pull PCI changes (including maintainer change) from Jesse Barnes:
"This pull has some good cleanups from Bjorn and Yinghai, as well as
some more code from Yinghai to better handle resource re-allocation
when enabled.
There's also a new initcall_debug feature from Arjan which will print
out quirk timing information to help identify slow quirks for fixing
or refinement (Yinghai sent in a few patches to do just that once the
new debug code landed).
Beyond that, I'm handing off PCI maintainership to Bjorn Helgaas.
He's been a core PCI and Linux contributor for some time now, and has
kindly volunteered to take over. I just don't feel I have the time
for PCI review and work that it deserves lately (I've taken on some
other projects), and haven't been as responsive lately as I'd like, so
I approached Bjorn asking if he'd like to manage things. He's going
to give it a try, and I'm confident he'll do at least as well as I
have in keeping the tree managed, patches flowing, and keeping things
stable."
Fix up some fairly trivial conflicts due to other cleanups (mips device
resource fixup cleanups clashing with list handling cleanup, ppc iseries
removal clashing with pci_probe_only cleanup etc)
* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci: (112 commits)
PCI: Bjorn gets PCI hotplug too
PCI: hand PCI maintenance over to Bjorn Helgaas
unicore32/PCI: move <asm-generic/pci-bridge.h> include to asm/pci.h
sparc/PCI: convert devtree and arch-probed bus addresses to resource
powerpc/PCI: allow reallocation on PA Semi
powerpc/PCI: convert devtree bus addresses to resource
powerpc/PCI: compute I/O space bus-to-resource offset consistently
arm/PCI: don't export pci_flags
PCI: fix bridge I/O window bus-to-resource conversion
x86/PCI: add spinlock held check to 'pcibios_fwaddrmap_lookup()'
PCI / PCIe: Introduce command line option to disable ARI
PCI: make acpihp use __pci_remove_bus_device instead
PCI: export __pci_remove_bus_device
PCI: Rename pci_remove_behind_bridge to pci_stop_and_remove_behind_bridge
PCI: Rename pci_remove_bus_device to pci_stop_and_remove_bus_device
PCI: print out PCI device info along with duration
PCI: Move "pci reassigndev resource alignment" out of quirks.c
PCI: Use class for quirk for usb host controller fixup
PCI: Use class for quirk for ti816x class fixup
PCI: Use class for quirk for intel e100 interrupt fixup
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Though we may as well just merge this entry with the main PCI one at
this point. Unless Alex returns one day at least...
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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I find I have less and less time to manage PCI patches and so I've been
looking for a replacement. Bjorn has been substitute maintainer several
times, and acts as de-facto maintainer for certain portions anyway.
He's kindly agreed to take over in my stead; this makes it official.
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org.
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Move this include to be consistent with other architectures.
CC: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Normal PCI enumeration via PCI config space uses __pci_read_base(), where
the PCI core applies any bus-to-resource offset. But sparc sometimes
reads PCI config space itself, and sometimes it gets addresses from the
device tree.
In ac1edcc579b6, I converted sparc to use the PCI core bus-to-resource
conversion, but I missed these sparc-specific paths. I don't have a way
to test it, but I think sparc is broken between that commit and this one.
This patch replaces the sparc-specific pci_resource_adjust() with the
generic pcibios_bus_to_resource() in the following paths:
pci_cfg_fake_ranges() (addresses read from PCI config)
apb_fake_ranges() (addresses computed based on PCI config)
of_scan_pci_bridge() (addresses from OF "ranges" property)
N.B.: Resources of non-P2P bridge devices are set in pci_parse_of_addrs()
and, as far as I can see, never converted to CPU addresses. I do not
understand why these would be treated differently than bridge windows.
CC: "David S. Miller" <davem@davemloft.net>
CC: sparclinux@vger.kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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We believe there's no reason to prevent reallocation on PA Semi, so
revert to the default of "allow reallocation if necessary."
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: linuxppc-dev@lists.ozlabs.org
Tested-by: Olof Johansson <olof@lixom.net>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Normal PCI enumeration via PCI config space uses __pci_read_base(), where
the PCI core applies any bus-to-resource offset. But powerpc doesn't use
that path when enumerating via the device tree.
In 6c5705fec63d, I converted powerpc to use the PCI core bus-to-resource
conversion, but I missed these powerpc-specific paths. Some powerpc
platforms fail to boot ("Cannot allocate resource region," "device not
available," etc.) between that commit and this one.
This adds the corresponding bus-to-resource conversion in the paths that
read BAR values from the OF device tree.
CC: Anton Blanchard <anton@samba.org>
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Make sure we compute CPU addresses (resource start/end) the same way both
when we set up the I/O aperture (hose->io_resource) and when we use
pcibios_bus_to_resource() to convert BAR values into resources.
This fixes a build failure ("cast from pointer to integer of different
size" in configs where resource_size_t is 64 bits but pointers are 32 bits)
I introduced in 6c5705fec63d.
Acked-By: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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There's no need to export pci_flags; it's not exported by any other
architecture, and no modules reference it.
CC: Rob Herring <rob.herring@calxeda.com>
CC: Russell King <linux@arm.linux.org.uk>
CC: linux-arm-kernel@lists.infradead.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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