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2012-03-25Merge branch 'sa1111' into sa11x0Russell King
Conflicts: arch/arm/common/sa1111.c arch/arm/mach-sa1100/neponset.c Fixed: arch/arm/mach-sa1100/assabet.c for the neponset changes
2012-03-24USB: sa1111: add hcd .reset methodRussell King
Add the .reset method to the HCD, and update the .start method accordingly for this change. Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-24USB: sa1111: add OHCI shutdown methodsRussell King
Add OHCI shutdown methods to cleanly shutdown the OHCI controller on system shutdowns and reboots. This avoids the controller continuing to run should be soft-reboot the platform, potentially scribbling over system memory. Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-24USB: sa1111: reorganize ohci-sa1111.cRussell King
Combine usb_hcd_sa1111_probe() and ohci_hcd_sa1111_drv_probe(), doing the same for the remove methods. Move sa1111_start_hc and sa1111_stop_hc to be located next to these the probe/release functions, as they're only called from them. Get rid of the /*----*/ breaker lines. Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-24USB: sa1111: get rid of nasty printk(KERN_DEBUG "%s: ...", __FILE__)Russell King
Use dev_dbg() instead, it's more friendly. Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-24USB: sa1111: sparse and checkpatch cleanupsRussell King
Clean up the ohci-sa1111 driver formatting to be more compliant with current standards, and add 'static' to various function definitions to avoid sparse complaints about undeclared functions. Remove the unnecessary local declaration of 'usb_disabled', which can be found instead in linux/usb.h. Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-24ARM: sa11x0: don't static map sa1111Russell King
The sa1111 support will ioremap() the device; there is no need for platforms to setup a static mapping for this. Remove the static mapping for this device from badge4, jornada720 and neponset. Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-24ARM: sa1111: use dev_err() rather than printk()Russell King
Use dev_err() to report device specific errors rather than printk(). Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-24ARM: sa1111: cleanup sub-device registration and unregistrationRussell King
Move the releasing of resources out of the release function - this allows a cleaner and more conventional arrangement of the registration failure paths and a saner unregistration process for these devices. Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-24ARM: sa1111: only setup DMA for DMA capable devicesRussell King
It's pointless registering the PS/2 interfaces with the dmabounce code when there's no DMA support for these in hardware, so only setup the DMA masks for two subdevices which support DMA - the OHCI and SAC. Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-24ARM: sa1111: register sa1111 devices with dmabounce in bus notifierRussell King
Use the bus notifier to register sa1111 devices with dmabounce, rather than after the device has been registered, potentially racing with driver binding. Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-24ARM: sa1111: move USB interface register definitions to ohci-sa1111.cRussell King
Move the USB interface register definitions into the driver, rather than keeping them in a common place. Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-24ARM: sa1111: move PCMCIA interface register definitions to sa1111_generic.cRussell King
Move the PCMCIA interface register definitions into the driver, rather than keeping them in a common place. Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-24ARM: sa1111: move PS/2 interface register definitions to sa1111p2.cRussell King
Move the PS/2 interface register definitions into the driver, rather than keeping them in a common location. Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-24ARM: sa1111: delete unused physical GPIO register definitionsRussell King
Get rid of the unused GPIO register definitions - we access GPIO registers through the base + offset method, and having the phys address definitions is unnecessary duplication. Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-24ARM: sa1111: provide a generic way to prevent devices from registeringRussell King
Some platforms don't want certain devices to be registered, because, eg, the interface is not wired. Provide a way for platforms to prevent various devices from being registered via a devid bitmask in the platform data. Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa1111: change devid to be a bitmaskRussell King
Change the sa1111 device id to be a bitmask. This allows us to specify the actual device, while allowing a single driver to bind to both PS2 devices. Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa11x0: badge4: move board specific ohci initialization to badge4.cRussell King
Move the handling of the 5v supply into badge4.c, removing this board specific detail from the sa1111 ohci driver. Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa1111: add platform enable/disable functionsRussell King
Add platform hooks to be called when individual sa1111 devices are enabled and disabled. This will allow us to move some platform specifics out of the individual drivers. Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa1111: add shutdown hook to sa1111_driver structureRussell King
Add a shutdown hook to the sa1111_driver structure to allow drivers to be notified of system reboots and shutdowns. Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa1111: implement support for sparse IRQsRussell King
Implement the necessary allocation/freeing functionality to support sparse IRQs with the SA-1111 device. On non-sparse IRQ platforms, this allows us to dynamically allocate from within the available IRQ number space. Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa1111: finish "allow cascaded IRQs to be used by platforms"Russell King
Commit 19851c58e680 (sa1111: allow cascaded IRQs to be used by platforms) moved the IRQ definitions to the .c file, and added an irq_base member to the private data structure. The inerrupt demultiplexer uses irq_base, but the interrupt setup code does not. Also, although the commit adds a private data structure to pass this data, it isn't even referenced, resulting in irq_base being zero. We also copied the IRQ numbers from the device info array into the actual devices, resulting in wrong interrupt numbers passed to the sub-devices. The net effect of this is that we always overwrite IRQs 0-54, even if they are allocated elsewhere in the system. Add the code necessary to setup the private irq_base, and use it in the IRQ setup code. Make the SA-1111 probe fail with -EINVAL if there is no platform data provided. Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa1111: add .owner initializer to sa1111 driver structuresRussell King
Add a .owner initializer to the sa1111 driver structures to allow allow the modules to be associated with their driver structures. Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa1111: add sa1111 core driver .owner initializerRussell King
Add an initializer for the struct device_driver .owner member. Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa1111: fix PWM state on suspendRussell King
We should not write to the SA1111 registers after setting the SLEEP bit. Moreover, the manual says that the PWM registers should be disabled before we enter sleep. So, move the clearing of these registers earlier in the suspend sequence. Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa1111: fix memory request/grant setup on PM eventsRussell King
We weren't re-enabling the memory request/grant signals on resume, causing DMA devices on the sa1111 to fail. Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa11x0: neponset: don't static map neponset registersRussell King
Now that we ioremap() the neponset register space, there's no need to static map the neponset registers. Get rid of this static mapping. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa11x0: neponset: move register definitions to neponset.cRussell King
Move the board specific neponset register definitions to the board file, rather than mach/neponset.h. However, as the NCR_0 register definitions are used by some drivers, leave these behind. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa11x0: assabet/neponest: create neponset device in assabet.cRussell King
The neponset board is a daughter board for the Assabet. Create the neponset platform device in assabet.c, where we don't have to wrap it with machine_is_assabet() stuff. We also create this device dynamically rather than keeping it as a static device. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa11x0: neponset: suspend/resume in _noirq stateRussell King
Suspend and resume in the _noirq state, so that we're saving the state of the modem control signals as late as possible, and restoring them as early as possible. There's nothing to do in thaw/poweroff methods as we've already saved the necessary state. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa11x0: neponset: place smc91x and sa1111 resources in neponset deviceRussell King
Complete the neponset device resources by covering the children's memory resources in the parent neponset device. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa11x0: neponset: get parent IRQ from neponset device resourceRussell King
Obtain the parent IRQ from the neponset device resource rather than hard-coding it into the code. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa11x0: neponset: implement support for sparse IRQsRussell King
Implement the necessary allocation/freeing functionality to support sparse IRQs with the Neponset device. On non-sparse IRQ platforms, this allows us to dynamically allocate from within the available IRQ number space. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa11x0: neponset: dynamically create neponset child devicesRussell King
Use platform_device_register_full() to dynamically create the various neponset child platform devices, and place them below the neponset device itself to ensure proper PM ordering and device structure. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa11x0: neponset: save and restore MDM_CTL_0Russell King
Save and restore the modem output control register across a suspend/ resume, as well as the NCR register. Place these in a locally allocated data structure rather than needing a new static variable. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa11x0: neponset: add driver .owner initializerRussell King
Ensure that the driver .owner field is properly initialized. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa11x0: neponset: shuffle some code aroundRussell King
Move the IRQ handler along side the rest of the IRQ code, and rearrange the include files. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa11x0: neponset: provide function to manipulate NCR_0Russell King
Rather than having direct register accesses to NCR_0 scattered amongst the code, provide a function instead. This contains the necessary race protection for this platform, ensuring that updates to this register are safe. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa11x0: neponset: fix interrupt setupRussell King
Since ARM was converted to genirq, the neponset IRQ implementation has gradually broken as a result of various subtle changes being introduced into genirq. It used to be that simple IRQs did not need an IRQ chip. This is no longer the case, and genirq barfs in irq_set_handler(). Fix this by introducing a dummy no-op chip, and registering it along with the flow handler. Neponset IRQs really don't have any masking ability - all we have is a status register to allow us to decode the source, and a three input OR gate inside a CPLD. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa11x0: assabet: ensure that GPIO27 is drivenRussell King
GPIO27 is just connected to a CPLD input without any pull-ups or pull- downs. If GPIO27 is left as an input, it will float around mid-supply, which for CMOS inputs is the worst place for a pin to be. Ensure that this pin is driven. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa11x0: assabet: avoid glitching GPIOs when setting outputsRussell King
Avoid glitching the GPIO signals during initialization, which can have undesirable effects. Ensure that the desired pin state is set before we change the GPIO pin direction to be an output. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa11x0: assabet: deassert QMUTE to codec while codec is unpoweredRussell King
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa11x0: convert to use DEFINE_RES_xxx macrosRussell King
Convert StrongARM-11x0 platforms and core SoC code to use the DEFINE_RES_xxx macros. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa11x0: fix section mismatch warningsRussell King
Neponset calls sa1110_mb_disable() from __devinit code, but sa1110_mb_disable() is marked __init, and so causes a section mismatch warning. As sa1110_mb_enable() and sa1110_mb_disable() need to be callable from suspend/resume paths as well, they must not be marked __init or __devinit. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa11x0: fix sleep entryRussell King
Sometimes, we get stuck while trying to enter sleep. This seems to occur if we do not have udelay() in the instruction cache. Avoid this by requesting a short delay prior to modifying the SDRAM timings. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-09ARM: sa11x0: fix off-by-one resource sizesRussell King
Hackkit defined its flash memory resource to be 32M + 1 byte. Jornada defined the Epson video controller resources to be one byte larger than they should be, and mis-mapped the SA-1111 companion chip one byte smaller than it should be. Fix these. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-08Linux 3.3-rc3v3.3-rc3Linus Torvalds
2012-02-08Merge branch 'iommu/fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu One patch fixes an bug in the ARM/MSM IOMMU code which returned sucess in the unmap function even when an error occured and the other patch adds a workaround into the AMD IOMMU driver to better handle broken IVRS ACPI tables (this patch fixes the case when a device is not listed in the table but actually translated by the iommu). * 'iommu/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/msm: Fix error handling in msm_iommu_unmap() iommu/amd: Work around broken IVRS tables
2012-02-08Merge branch '3.3-rc-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending This series contains pending target bug-fixes and cleanups for v3.3-rc3 that have been addressed the past weeks in lio-core.git. Some of the highlights include: - Fix handling for control CDBs with data greater than PAGE_SIZE (andy) - Use IP_FREEBIND for iscsi-target to address network portal creation issues with systemd (dax) - Allow PERSISTENT RESERVE IN for non-reservation holder (marco) - Fix iblock se_dev_attrib.unmap_granularity (marco) - Fix unsupported WRITE_SAME sense payload handling (martin) - Add workaround for zero-length control CDB handling (nab) - Fix discovery with INADDR_ANY and IN6ADDR_ANY_INIT (nab) - Fix target_submit_cmd() exception handling (nab) - Return correct ASC for unimplemented VPD pages (roland) - Don't zero pages used for data buffers (roland) - Fix return code of core_tpg_.*_lun (sebastian) * '3.3-rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (26 commits) target: Fix unsupported WRITE_SAME sense payload iscsi: use IP_FREEBIND socket option iblock: fix handling of large requests target: handle empty string writes in sysfs iscsi_target: in_aton needs linux/inet.h target: Fix iblock se_dev_attrib.unmap_granularity target: Fix target_submit_cmd() exception handling target: Change target_submit_cmd() to return void target: accept REQUEST_SENSE with 18bytes target: Fail INQUIRY commands with EVPD==0 but PAGE CODE!=0 target: Return correct ASC for unimplemented VPD pages iscsi-target: Fix discovery with INADDR_ANY and IN6ADDR_ANY_INIT target: Allow control CDBs with data > 1 page iscsi-target: Fix up a few assignments iscsi-target: make one-bit bitfields unsigned iscsi-target: Fix double list_add with iscsit_alloc_buffs reject iscsi-target: Fix reject release handling in iscsit_free_cmd() target: fix return code of core_tpg_.*_lun target: use save/restore lock primitive in core_dec_lacl_count() target: avoid multiple outputs in scsi_dump_inquiry() ...
2012-02-08Merge tag 'md-3.3-fixes' of git://neil.brown.name/mdLinus Torvalds
Some simple md-related fixes. 1/ two small fixes to ensure we handle an interrupted resync properly. 2/ avoid loading the bitmap multiple times in dm-raid * tag 'md-3.3-fixes' of git://neil.brown.name/md: md: two small fixes to handling interrupt resync. Prevent DM RAID from loading bitmap twice.
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