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* [SPARC64]: Expand of_*() interfaces some more.David S. Miller2006-06-24
| | | | | | | | | Import some more stuff from powerpc. Add of_device_is_compatible(), and of_find_compatible_node(). Export some more of the other routines to modules. Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: Kill unused local vars in map_prom_timers().David S. Miller2006-06-24
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: Kill off some more prom_getproperty() remnants.David S. Miller2006-06-24
| | | | | | | The remaining ones occur before we have imported the device tree. Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: Convert Cheetah memory controller driver to in-kernel PROM tree.David S. Miller2006-06-24
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: Convert central bus layer to in-kernel PROM device tree.David S. Miller2006-06-24
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: Kill ebus/isa range and interrupt mapping struct members.David S. Miller2006-06-24
| | | | | | Unused outside of initial bus probe scan. Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: Use in-kernel PROM tree for EBUS and ISA.David S. Miller2006-06-24
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: Convert sparc64 PCI layer to in-kernel device tree.David S. Miller2006-06-24
| | | | | | | | One thing this change pointed out was that we really should pull the "get 'local-mac-address' property" logic into a helper function all the network drivers can call. Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: Must run smp_setup_cpu_possible_map() after paging_init()David S. Miller2006-06-24
| | | | | | | Otherwise the in-kernel PROM device tree isn't built yet, and therefore the present cpu bits don't get set properly. Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: Fix for Niagara memory corruption.David S. Miller2006-06-24
| | | | | | | | | | | | | | | | | | | On some sun4v systems, after netboot the ethernet controller and it's DMA mappings can be left active. The net result is that the kernel can end up using memory the ethernet controller will continue to DMA into, resulting in corruption. To deal with this, we are more careful about importing IOMMU translations which OBP has left in the IO-TLB. If the mapping maps into an area the firmware claimed was free and available memory for the kernel to use, we demap instead of import that IOMMU entry. This is going to cause the network chip to take a PCI master abort on the next DMA it attempts, if it has been left going like this. All tests show that this is handled properly by the PCI layer and the e1000 drivers. Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: Minor bug fix to obp_read_memory().David S. Miller2006-06-24
| | | | | | | | | If we end up zero'ing out the size of one of the entries, pop it out of the array completely because some code that examines these things cannot handle a zero length element properly. Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: Convert cpu_find_by_*() interface to in-kernel PROM device tree.David S. Miller2006-06-24
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: Add of_getintprop_default().David S. Miller2006-06-24
| | | | | | | This encodes a common idiomatic coding pattern used when dealing with integer properties. Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: Convert sun4v virtual-device layer to in-kernel PROM device tree.David S. Miller2006-06-24
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: Rate limited kernel unaligned trap logging, ala IA64.David S. Miller2006-06-24
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: Disable verbose PCI IRQ probing messages by default.David S. Miller2006-06-24
| | | | | | | Allow them to be enabled with "pci=irq_verbose" on the boot command line. Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: Use in-kernel OBP device tree for PCI controller probing.David S. Miller2006-06-24
| | | | | | It can be pushed even further down, but this is a first step. Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: Add of_find_node_by_{name,type}().David S. Miller2006-06-24
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC64]: Import OBP device tree into kernel data structures.David S. Miller2006-06-24
| | | | | | | | | The basic framework is based on the PowerPC OF code. This code even tries to get the device addressing components correct in the full path names. Signed-off-by: David S. Miller <davem@davemloft.net>
* [SBUS]: Start cleaning up generic sbus support layer.David S. Miller2006-06-24
| | | | | | | In particular, move the IRQ probing out to sparc32/sparc64 arch specific code where it belongs. Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] fix typo in acpi video brightness changes.Dave Jones2006-06-24
| | | | | | | Prevent possible null dereference due to misplaced ; Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge branch 'upstream-linus' of ↵Linus Torvalds2006-06-23
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: (258 commits) [libata] conversion to new debug scheme, part 1 of $N [PATCH] libata: Add ata_scsi_dev_disabled [libata] Add host lock to struct ata_port [PATCH] libata: implement per-dev EH action mask eh_info->dev_action[] [PATCH] libata-dev: move the CDB-intr DMA blacklisting [PATCH] ahci: disable NCQ support on vt8251 [libata] ahci: add JMicron PCI IDs [libata] sata_nv: add PCI IDs [libata] ahci: Add NVIDIA PCI IDs. [PATCH] libata: convert several bmdma-style controllers to new EH, take #3 [PATCH] sata_via: convert to new EH, take #3 [libata] sata_nv: s/spin_lock_irqsave/spin_lock/ in irq handler [PATCH] sata_nv: add hotplug support [PATCH] sata_nv: convert to new EH [PATCH] sata_nv: better irq handlers [PATCH] sata_nv: simplify constants [PATCH] sata_nv: kill struct nv_host_desc and nv_host [PATCH] sata_nv: kill not-working hotplug code [libata] Update docs to reflect current driver API [PATCH] libata: add host_set->next for legacy two host_sets case, take #3 ...
| * [libata] conversion to new debug scheme, part 1 of $NBorislav Petkov2006-06-23
| | | | | | | | | | | | | | | | | | The first 25% of libata-core.c converted to the new debugging scheme. Signed-off-by: <petkov@math.uni-muenster.de> (with addition of ATA_MSG_WARN to standard msg_enable by me) Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * [PATCH] libata: Add ata_scsi_dev_disabledBrian King2006-06-22
| | | | | | | | | | | | | | | | | | | | Separate out parts of ata_scsi_find_dev to be reused in future SAS/SATA patches. Acked-by: Jeff Garzik <jgarzik@pobox.com> Signed-off-by: Brian King <brking@us.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * [libata] Add host lock to struct ata_portJeff Garzik2006-06-22
| | | | | | | | | | | | | | | | | | | | | | | | Prepare for changes required to support SATA devices attached to SAS HBAs. For these devices we don't want to use host_set at all, since libata will not be the owner of struct scsi_host. Signed-off-by: Brian King <brking@us.ibm.com> (with slight merge modifications made by...) Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * [PATCH] libata: implement per-dev EH action mask eh_info->dev_action[]Tejun Heo2006-06-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, the only per-dev EH action is REVALIDATE. EH used to exploit ehi->dev to do selective revalidation on a ATA bus. However, this is a bit hacky and makes it impossible to request selective revalidation from outside of EH or add another per-dev EH action. This patch adds per-dev EH action mask eh_info->dev_action[] and update EH to use this field for REVALIDATE. Note that per-dev actions can still be specified at port-level and it has the same effect of specifying the action for all devices on the port. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * [PATCH] libata-dev: move the CDB-intr DMA blacklistingAlbert Lee2006-06-22
| | | | | | | | | | | | | | | | Move the DMA blacklisting of the CDB-intr devices from ata_check_atapi_dma() to ata_dma_blacklisted(), where it makes more sense. Signed-off-by: Albert Lee <albertcc@tw.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * [PATCH] ahci: disable NCQ support on vt8251Tejun Heo2006-06-22
| | | | | | | | | | | | | | | | | | | | | | | | vt8251 chokes on NCQ commands. Two different disks from different vendors are showing the same symptom and it seems that the windows driver from via doesn't support NCQ either. Disable NCQ support on this controller for the time being. Signed-off-by: Tejun Heo <htejun@gmail.com> Cc: Aalderd Bouwman <boac@wanadoo.nl> Cc: Bastiaan Jacques <b.jacques@planet.nl> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * [libata] ahci: add JMicron PCI IDsJeff Garzik2006-06-22
| | | | | | | | | | | | Originally contributed by Justin @ JMicron. Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * [libata] sata_nv: add PCI IDsJeff Garzik2006-06-22
| | | | | | | | | | | | Based on a patch contributed by Andrew Chew @ NVIDIA. Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * [libata] ahci: Add NVIDIA PCI IDs.Jeff Garzik2006-06-22
| | | | | | | | | | | | Based on a patch by Andrew Chew @ NVIDIA. Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * Merge branch 'master' into upstreamJeff Garzik2006-06-22
| |\ | | | | | | | | | | | | | | | | | | | | | Conflicts: drivers/scsi/libata-core.c drivers/scsi/libata-scsi.c include/linux/pci_ids.h
| * | [PATCH] libata: convert several bmdma-style controllers to new EH, take #3Tejun Heo2006-06-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Convert sata_sis, svw, uli and vsc drivers to new EH. All the drivers used to specify ATA_FLAG_SATA_RESET to tell libata to use SATA hardreset instead of SRST. This patch makes all the converted drivers use the standard bmdma error handler which uses both SRST and SATA hardreset. All the controllers should be able to perform SRST but still needs verification. If some of the controllers can't do SRST, it will be very easy to spot as it will show up during boot probing. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | [PATCH] sata_via: convert to new EH, take #3Tejun Heo2006-06-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Convert sata_via to new EH. vt6420 used ATA_FLAG_SRST while vt6421 used ATA_FLAG_SATA_RESET. This difference seems to be an accident rather than intended. This patch makes both flavors use ata_bmdma_error_handler() which makes use of both SRST and SATA hardreset. This behavior change is intended and if it breaks anything, it should be very easy to spot. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | [libata] sata_nv: s/spin_lock_irqsave/spin_lock/ in irq handlerJeff Garzik2006-06-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | We don't need to use the heavier spin lock in the irq handler. It's quite possible we can do this in nv_generic_interrupt() as well, but I didn't take the time to pursue that train of thought. Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | [PATCH] sata_nv: add hotplug supportTejun Heo2006-06-20
| | | | | | | | | | | | | | | | | | | | | Add hotplug support. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | [PATCH] sata_nv: convert to new EHTejun Heo2006-06-20
| | | | | | | | | | | | | | | | | | | | | Convert to new EH. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | [PATCH] sata_nv: better irq handlersTejun Heo2006-06-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | nf2/3 and ck804 have irq status register. Implement better irq handler for those flavors of nv. This patch makes different flavors of nv controllers use different irq handlers by using separate port_info for each flavor. This change also makes following EH and hotplug updates easier to integrate. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | [PATCH] sata_nv: simplify constantsTejun Heo2006-06-20
| | | | | | | | | | | | | | | | | | | | | Simplify interrupt constants and make NFORCE3 equal to NFORCE2. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | [PATCH] sata_nv: kill struct nv_host_desc and nv_hostTejun Heo2006-06-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | nv_host_desc and nv_host are used to discern different generations of nv controllers. Kill those. New EH/hotplug implementation will use standard port_info/ata_port_operations for that. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | [PATCH] sata_nv: kill not-working hotplug codeTejun Heo2006-06-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | sata_nv contained hotplug code which is mainly for demonstrating how hotplug event is handled. This patch kills the demo code in prepration for real hotplug implementation. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | Merge branch 'master' into upstreamJeff Garzik2006-06-18
| |\ \
| * \ \ Merge branch 'master' into upstreamJeff Garzik2006-06-13
| |\ \ \
| * | | | [libata] Update docs to reflect current driver APIJeff Garzik2006-06-13
| | | | |
| * | | | [PATCH] libata: add host_set->next for legacy two host_sets case, take #3Tejun Heo2006-06-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For a legacy ATA controller, libata registers two separate host sets. There was no connection between the two hosts making it impossible to traverse all ports related to the controller. This patch adds host_set->next which points to the second host_set and makes ata_pci_remove_one() remove all associated host_sets. * On device removal, all ports hanging off the device are properly detached. Prior to this patch, ports on the first host_set weren't detached casuing oops on driver unloading. * On device removal, both host_sets are properly freed This will also be used by new power management code to suspend and resume all ports of a controller. host_set/port representation will be improved to handle legacy controllers better and this host_set linking will go away with it. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | | | [PATCH] libata: fix oops caused rescanning NULL sdevTejun Heo2006-06-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Depending on timing, ata_scsi_dev_rescan() might encounter a device which is enabled but not yet attached to sdev. On such cases, the original code caused oops. This patch makes ata_scsi_dev_rescan() rescan only device which are attached to sdevs. While at it, properly indent leading comment and add description about how it's synchronized with sdev attach/detach. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | | | [PATCH] sata_sil: update device hotplug handling, take #2Tejun Heo2006-06-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | SIEN on some 3112 controllers doesn't mask SATA IRQ properly. IRQ stays asserted even after SIEN is masked and IRQ is acked. Also, even while frozen, any SATA PHY event including hardreset raises SATA IRQ. Clearing SError seems to be the only way to deassert SATA IRQ. This patch makes sil_host_intr() clear SError on SATA IRQs and ignore SATA IRQs reported while frozen so that hardreset doesn't trigger hotplug event (which ends up hardresetting again). In such cases, the port still gets re-frozen to minimize the danger of screaming interrupts. This results in one nil EH repeat on controllers with broken SIEN but other than that does no harm. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | | | [PATCH] libata: fast exit from EH while unloadingTejun Heo2006-06-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make EH exit fast if the port is being unloaded. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | | | [PATCH] libata: fix ATA_EH_REVALIDATE clearingTejun Heo2006-06-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ATA_EH_REVALIDATE should be cleared after all devices on the target port have been revalidated. Fix ata_eh_revalidate_and_attach() accordingly. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | | | [PATCH] libata: fix comment above ata_exec_internal()Tejun Heo2006-06-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add RETURNS comment above ata_exec_internal() and kill extra blank line. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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