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* [POWERPC] move_device_tree() should be __initGeert Uytterhoeven2008-04-01
| | | | | | | | | | | | | | WARNING: vmlinux.o(.text+0x1e4c0): Section mismatch in reference from the function .move_device_tree() to the function .init.text:.lmb_alloc_base() The function .move_device_tree() references the function __init .lmb_alloc_base(). This is often because .move_device_tree lacks a __init annotation or the annotation of .lmb_alloc_base is wrong. move_device_tree() is called from early_init_devtree() only, which is __init Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Add error return from htab_remove_mapping()Badari Pulavarty2008-04-01
| | | | | | | | If the platform doesn't support hpte_removebolted(), gracefully return failure rather than success. Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] PS3: Gelic network driver Wake-on-LAN supportMasakazu Mokuno2008-04-01
| | | | | | | | | Add Wake-on-LAN support to the PS3 Gelic network driver. Other OS WOL support was introduced in PS3 system firmware 2.20. Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp> Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] PS3: Sys-manager Wake-on-LAN supportGeoff Levand2008-04-01
| | | | | | | | Add Wake-on-LAN support to the PS3 system-manager. Other OS WOL support was introduced in PS3 system firmware 2.20. Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] PS3: Save power in busy loops on haltGeert Uytterhoeven2008-04-01
| | | | | | | | | | | | PS3 save power on halt: - Replace infinite busy loops by smarter loops calling lv1_pause() to save power. - Add ps3_halt() and ps3_sys_manager_halt(). - Add __noreturn annotations. Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] PS3: Bootwrapper improvementsGeoff Levand2008-04-01
| | | | | | | | | | | | | | | | Improve the debugging support of the PS3 bootwraper code: o Increase the size of the PS3 bootwrapper overlay from 256 to 512 bytes to allow for more debugging code in the overlay. o Use the dot symbol to set the size of __system_reset_overlay. The assembler will then emit an error if the overlay code is too big. o Remove some unused instructions. o Update the text describing the PS3 bootwrapper overlay. o Add a check for null pointer writes. o Change hcall return value from s64. Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] PS3: Add ps3_get_speid routineTakashi Yamamoto2008-04-01
| | | | | | | | | Add a new routine ps3_get_speid() which returns the logical SPE ID. This ID is needed for profiling support. Signed-off-by: Takashi Yamamoto <TakashiA.Yamamoto@jp.sony.com> Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] PS3: Fix unlikely typo in ps3_get_irqRoel Kluin2008-04-01
| | | | | | | | | Fix a typo bug 'unlikely(x) == y' and add an unlikely() call to an unlikely code path in the PS3 interrupt routine ps3_get_irq(). Signed-off-by: Roel Kluin <12o3l@tiscali.nl> Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* Merge branch 'powerpc-next' of ↵Paul Mackerras2008-04-01
|\ | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc
| * [POWERPC] 85xx: Emerson KSI8560 device treeAlexandr Smirnov2008-03-26
| | | | | | | | | | | | | | Add device tree file for Emerson KSI8560 board. Signed-off-by: Alexandr Smirnov <asmirnov@ru.mvista.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
| * [POWERPC] 85xx: Emerson KSI8560 default configAlexandr Smirnov2008-03-26
| | | | | | | | | | | | | | Add default config for Emerson KSI8560 board. Signed-off-by: Alexandr Smirnov <asmirnov@ru.mvista.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
| * [POWERPC] 85xx: Emerson KSI8560 bootwrapperAlexandr Smirnov2008-03-26
| | | | | | | | | | | | | | Add boot wrapper for Emerson KSI8560 board. Signed-off-by: Alexandr Smirnov <asmirnov@ru.mvista.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
| * [POWERPC] 85xx: Emerson KSI8560 base supportAlexandr Smirnov2008-03-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The KSI8560 is a single compact, mid-, or full-size Advanced Mezzanine Card (AdvancedMC™) based on the Freescale™ Semiconductor MPC8560 PowerQUICC III™ microprocessor. This product will serve in data and signaling applications such as signaling gateways (SGW) and softswitch signaling interface cards. The board has altera maxii CPLD, that is used to obtain and manage board configuration. Also there are two SCC UART serial consoles and FCC ethernet, that is routed to the front panel, while other ethernet controlers (TSEC's) are routed to the backplane. Signed-off-by: Alexandr Smirnov <asmirnov@ru.mvista.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
* | [POWERPC] 4xx: Add L2 cache node to AMCC Taishan dts fileStefan Roese2008-03-26
| | | | | | | | | | | | | | This patch adds the L2 cache node to the Taishan 440GX dts file. Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* | [POWERPC] 4xx: Add PPC4xx L2-cache support (440GX)Stefan Roese2008-03-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for the 256k L2 cache found on some IBM/AMCC 4xx PPC's. It introduces a common 4xx SoC file (sysdev/ppc4xx_soc.c) which currently "only" adds the L2 cache init code. Other common 4xx stuff can be added later here. The L2 cache handling code is a copy of Eugene's code in arch/ppc with small modifications. Tested on AMCC Taishan 440GX. Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* | [POWERPC] 4xx: Add "amcc, haleakala" to the toplevel compatible propertyStefan Roese2008-03-26
| | | | | | | | | | | | | | | | | | Currently Haleakala uses the Kilauea platform code. This patch adds "haleakala" to the compatible property, in case later kernel versions will introduce a Haleakala platform code. Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* | [POWERPC] 4xx: Add AMCC Glacier 460GT eval board dtsStefan Roese2008-03-26
| | | | | | | | | | | | | | | | | | | | | | | | The patch adds the Glacier dts. The Glacier is nearly identical to the Canyonlands (460EX). Here the differences: - 4 ethernet ports instead of 2 - no SATA port - no USB port Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* | [POWERPC] Xilinx: hwicap: Use fixed device major.Stephen Neuendorffer2008-03-26
| | | | | | | | | | | | | | | | | | | | Major 259 has been assigned by lanana. Use it. Also, publish /dev/icap[0-k] as the device entries, and register platform devices named 'icap' to be consistent. Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* | [POWERPC] Xilinx: hwicap: Verify sync before reading idcode.Stephen Neuendorffer2008-03-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It appears that in some cases, the sync word might not be recognized by the hardware correctly. If this happens, then attempting to read from the port results in an unrecoverable error because of the design of the FPGA core. This patch updates the code to check the status of the device before reading the IDCODE, in order to avoid entering this unrecoverable state. This patch also adds additional NOOP commands into the sychronization sequence, which appears to be necessary to avoid the condition on some hardware. Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* | [POWERPC] Xilinx: hwicap: Refactor status handling code.Stephen Neuendorffer2008-03-26
| | | | | | | | | | | | | | | | | | | | | | | | Both the buffer-based and fifo-based icap cores have a status register. Previously, this was only used internally to check whether transactions have completed. However, the status can be useful to the main driver as well. This patch exposes these status functions to the main driver along with some masks for the differnet bits. Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* | [POWERPC] 4xx: Add TAH support to taishan dtsStefan Roese2008-03-26
| | | | | | | | | | | | | | | | | | This patch adds TAH (TCP/IP Acceleration Hardware) support to the taishan 440GX dts. It depends on the NEWEMAC/tah patch that adds the compatible "ibm,tah" property to the matching table. Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* | [POWERPC] 4xx: Use dcri_clrset() for PCIe indirect dcr read/modify/write accessValentine Barshak2008-03-26
| | | | | | | | | | | | | | Use dcri_clrset() for PCIe SDR0 read/modify/write access. Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* | [POWERPC] 4xx: Add dcri_clrset() for locked read/modify/write functionalityValentine Barshak2008-03-26
| | | | | | | | | | | | | | | | | | This adds dcri_clrset() macro which does read/modify/write on indirect dcr registers while holding indirect dcr lock. Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* | [POWERPC] 4xx: Add bootwrapper for AMCC Yosemite boardJosh Boyer2008-03-26
| | | | | | | | | | | | Add the cuboot wrapper for the AMCC 440EP Yosemite board Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* | [POWERPC] 4xx: Add platform support for the AMCC Yosemite boardJosh Boyer2008-03-26
| | | | | | | | | | | | | | | | The AMCC 440EP Yosemite board is very similar to the original AMCC Bamboo board. This adds a YOSEMITE option to Kconfig, and reuses the existing bamboo board support in the kernel. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* | [POWERPC] 4xx: Add AMCC 440EP Yosemite DTSJosh Boyer2008-03-26
| | | | | | | | | | | | This adds a DTS file for the AMCC 440EP Yosemite board. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* | [POWERPC] 4xx: Add Canyonlands defconfig fileStefan Roese2008-03-26
| | | | | | | | | | Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* | [POWERPC] 4xx: Add 460EX PCIe support to 4xx pci driverStefan Roese2008-03-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | All this code is needed to properly initialize the 460EX PCIe host bridge(s). We re-initialize all ports again, even though this has been done in the bootloader (U-Boot) before. This way we make sure, that we always run the latest init code in Linux and don't depend on code versions from U-Boot. Unfortunately all IBM/AMCC chips currently supported in this PCIe driver need a different reset-/init-sequence. Tested on AMCC Canyonlands eval board. Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* | [POWERPC] 4xx: Add Canyonlands DTSStefan Roese2008-03-26
| | | | | | | | | | | | | | This dts source file for the AMCC 460EX Canyonlands evalutaion board Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* | [POWERPC] 4xx: Add AMCC Canyonlands 460EX eval board support to platforms/44xStefan Roese2008-03-26
| | | | | | | | | | | | | | | | | | | | | | | | | | Canyonlands is the AMCC 460EX eval board, featuring nearly all of the 460EX interfaces: - 1 * PCI (max 66MHz), 2 * PCIe (one 4-lane, one 1-lane) - 2 * GBit Ethernet with TCP/IP acceleration - USB 2.0 Host/Device OTG and Host interface - SATA port Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* | [POWERPC] 4xx: Add AMCC 460EX/460GT support to cputable.c & cpu_setup_44x.SStefan Roese2008-03-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds basic support for the AMCC 460EX/460GT PPC's to arch/powerpc. Currently those PPC's are still based on a 440 core and *not* a 460 core. Here some basic features of those SoC's: 460EX: - Up to 1.2GHz, 32kB L1 I-cache and D-cache, 256kB L2-cache, FPU - 1 * PCI (max 66MHz), 2 * PCIe (one 4-lane, one 1-lane) - 2 * GBit Ethernet with TCP/IP acceleration - USB 2.0 Host/Device OTG and Host interface - SATA controller - Optional security feature 460GT (only changes to 460EX): - 4 * GBit Ethernet with TCP/IP acceleration - RapidIO - No SATA - No USB Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* | [POWERPC] Start removing linux,network-index in favour of aliasesDavid Gibson2008-03-26
|/ | | | | | | | | | | | | | | | | | | | | | | This patch alters the bootwrapper for a number of machines (roubhly all 4xx based cuboot or treeboot platforms) to use aliases instead of the linux,network-index hack to work out which MAC address to attach to which ethernet device node. The now obsolete linux,network-index properties are removed from the corresponding device trees. This won't break backwards compatiblity, because in cases where this fixup code is relevant, the device tree is part of the kernel image. The references to linux,network-index are removed from booting-without-of.txt. Not only is it now deprecated, but as a hack applicable only when the device tree blob and fixup code were in the same image, this property never belonged in booting-without-of.txt which describes the interface between the kernel and firmware or bootloaders which produce a device tree. By the time the device tree reaches the kernel, all the MAC addresses must be fully filled in. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* Merge branch 'linux-2.6'Paul Mackerras2008-03-25
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| * Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds2008-03-25
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: USB: Fix cut-and-paste error in rtl8150.c USB: ehci: stop vt6212 bus hogging USB: sierra: add another device id USB: sierra: dma fixes USB: add support for Motorola ROKR Z6 cellphone in mass storage mode USB: isd200: fix memory leak in isd200_get_inquiry_data USB: pl2303: another product ID USB: new quirk flag to avoid Set-Interface USB: fix gadgetfs class request delegation
| | * USB: Fix cut-and-paste error in rtl8150.cRobert P. J. Day2008-03-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| | * USB: ehci: stop vt6212 bus hoggingRene Herman2008-03-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The VIA VT6212 defaults to only waiting 1us between passes over EHCI's async ring, which hammers PCI badly ... and by preventing other devices from accessing the bus, causes problems like drops in IDE throughput, a problem that's been bugging users of those chips for several years. A (partial) datasheet for this chip eventually turned up, letting us see how to make it use a VIA-specific register to switch over to the the normal 10us value instead, as suggested by the EHCI specification Solution noted by Lev A. Melnikovsky. It's not clear whether this register exists on other VIA chips; we know that it's ineffective on the vt8235. So this patch only applies to chips that seem to be incarnations of the (discrete) vt6212. Signed-off-by: Rene Herman <rene.herman@gmail.com> Tested-by: Lev A. Melnikovsky <melnikovsky@mail.ru> Tested-by: Alessandro Suardi <alessandro.suardi@gmail.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| | * USB: sierra: add another device idKevin Lloyd2008-03-25
| | | | | | | | | | | | | | | | | | | | | | | | Add support for the MC8775 device to the sierra driver. Signed-off-by: Kevin Lloyd <klloyd@sierrawireless.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| | * USB: sierra: dma fixesOliver Neukum2008-03-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | while I was adding autosuspend to that driver I noticed a few issues. You were having DMAed buffers as a part of a structure. This will fail on platforms that are not DMA-coherent (arm, sparc, ppc, ...) Please test this patch to fix it. Signed-off-by: Kevin Lloyd <klloyd@sierrawireless.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| | * USB: add support for Motorola ROKR Z6 cellphone in mass storage modeConstantin Baranov2008-03-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Motorola ROKR Z6 cellphone has bugs in its USB, so it is impossible to use it as mass storage. Patch describes new "unusual" USB device for it with FIX_INQUIRY and FIX_CAPACITY flags and new BULK_IGNORE_TAG flag. Last flag relaxes check for equality of bcs->Tag and us->tag in usb_stor_Bulk_transport routine. Signed-off-by: Constantin Baranov <const@tltsu.ru> Signed-off-by: Matthew Dharm <mdharm-usb@one-eyed-alien.net> Signed-off-by: Daniel Drake <dsd@gentoo.org> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| | * USB: isd200: fix memory leak in isd200_get_inquiry_dataBoaz Harrosh2008-03-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If the inquiry fails then the info structure on us->extra was not freed. Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| | * USB: pl2303: another product IDMax Arnold2008-03-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Device like this http://aldiga.com/english/A-100-USB-EDGE10.htm contains Prolific 2303 chip. Actually their site a bit outdated - I have AlDiga AL-11U GSM/GPRS/EDGE modem and it works with pl2303 module after adding corresponding product ID. By default modem uses baud rate 460800. GSM chipset - SIMCom SIM600, quad band 850/900/1800/1900 MHz Device info: T: Bus=04 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 5 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 P: Vendor=067b ProdID=0611 Rev= 0.00 C:* #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=500mA I:* If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=pl2303 E: Ad=81(I) Atr=03(Int.) MxPS= 10 Ivl=1ms E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=83(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms From: Max Arnold <lwarxx@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| | * USB: new quirk flag to avoid Set-InterfaceAlan Stern2008-03-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch (as1057) fixes a problem with the X-Rite/Gretag-Macbeth Eye-One Pro display colorimeter; the device crashes when it receives a Set-Interface request. A new quirk (USB_QUIRK_NO_SET_INTF) is introduced and a quirks entry is created for this device. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| | * USB: fix gadgetfs class request delegationRoy Hashimoto2008-03-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | gadgetfs (drivers/usb/gadget/inode.c) was not delegating all non-device requests to userspace. This patch makes the handling of all request cases consistent. Signed-off-by: Roy Hashimoto <hashimot@alumni.caltech.edu> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6Linus Torvalds2008-03-25
| |\ \ | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6: driver core: debug for bad dev_attr_show() return value. UIO: add pgprot_noncached() to UIO mmap code
| | * | driver core: debug for bad dev_attr_show() return value.Andrew Morton2008-03-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Try to find the culprit who caused http://bugzilla.kernel.org/show_bug.cgi?id=10150 Cc: <balajirrao@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| | * | UIO: add pgprot_noncached() to UIO mmap codeJean-Samuel Chenard2008-03-25
| | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Mapping of physical memory in UIO needs pgprot_noncached() to ensure that IO memory is not cached. Without pgprot_noncached(), it (accidentally) works on x86 and arm, but fails on PPC. Signed-off-by: Jean-Samuel Chenard <jsamch@gmail.com> Signed-off-by: Hans J Koch <hjk@linutronix.de> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | PCI: revert "pcie: utilize pcie transaction pending bit"Andrew Morton2008-03-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Revert as it is reported to cause problems for people. commit 4348a2dc49f9baecd34a9b0904245488c6189398 Author: Shaohua Li <shaohua.li@intel.com> Date: Wed Oct 24 10:45:08 2007 +0800 pcie: utilize pcie transaction pending bit PCIE has a mechanism to wait for Non-Posted request to complete. I think pci_disable_device is a good place to do this. Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Due to the regression reported at http://bugzilla.kernel.org/show_bug.cgi?id=10065 Cc: Shaohua Li <shaohua.li@intel.com> Cc: Soeren Sonnenburg <kernel@nn7.de> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | PCI: iova: lockdep false alarm fixMark Gross2008-03-25
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | lockdep goes off on the iova copy_reserved_iova() because it and a function it calls grabs locks in the from, and the to of the copy operation. The function grab locks of the same lock classes triggering the warning. The first lock grabbed is for the constant reserved areas that is never accessed after early boot. Technically you could do without grabbing the locks for the "from" structure its copying reserved areas from. But dropping the from locks to me looks wrong, even though it would be ok. The affected code only runs in early boot as its setting up the DMAR engines. This patch gives the reserved_ioval_list locks special lockdep classes. Signed-off-by: Mark Gross <mgross@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * Merge branch 'merge' of ↵Linus Torvalds2008-03-24
| |\ | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: [POWERPC] mpc5200: Fix incorrect compatible string for the mdio node [POWERPC] Update some defconfigs
| | * Merge branch 'linux-2.6' into mergePaul Mackerras2008-03-24
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