- 28 Nov, 2008 10 commits
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Russell King authored
These definitions are unused and serve no purpose with genirq. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Russell King authored
Conflicts: arch/arm/mach-clps7500/include/mach/memory.h
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Nicolas Pitre authored
Let's provide an overridable default instead of having every machine class define __virt_to_bus and __bus_to_virt to the same thing. What most platforms are using is bus_addr == phys_addr so such is the default. One exception is ebsa110 which has no DMA what so ever, so the actual definition is not important except only for proper compilation. Also added a comment about the special footbridge bus translation. Let's also remove comments alluding to set_dma_addr which is not (and should not) be commonly used. Signed-off-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Nicolas Pitre authored
There is no machine class overriding this. If non linear translations are implemented again for some machines then this could be restored at that time. Signed-off-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Nicolas Pitre authored
The restriction on !CONFIG_HIGHMEM is unneeded since page tables are currently never allocated with highmem pages, and actually disable PTE dump whenever highmem is configured. Let's have a dynamic test to better describe the current limitation instead. Signed-off-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Nicolas Pitre authored
Commit 8d5796d2 allows for the vmalloc area to be resized from the kernel cmdline. Make sure it cannot overlap with RAM entirely. Signed-off-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Nicolas Pitre authored
Make free_area() arguments pfn based, and return number of freed pages. This will simplify highmem initialization later. Also, codepages, datapages and initpages are actually codesize, datasize and initsize. Signed-off-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Nicolas Pitre authored
Doing so will greatly simplify the bootmem initialization code as each bank is therefore entirely lowmem or highmem with no crossing between those zones. Signed-off-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Nicolas Pitre authored
Currently there are two instances of struct meminfo: one in kernel/setup.c marked __initdata, and another in mm/init.c with permanent storage. Let's keep only the later to directly populate the permanent version from arm_add_memory(). Also move common validation tests between the MMU and non-MMU cases into arm_add_memory() to remove some duplication. Protection against overflowing the membank array is also moved in there in order to cover the kernel cmdline parsing path as well. Signed-off-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Nicolas Pitre authored
In all cases the kaddr is assigned an input register even though it is modified in the assembly code. Let's assign a new variable to the modified value and mark those inline asm with volatile otherwise they get optimized away because the output variable is otherwise not used. Also fix a few conversion errors in copypage-feroceon.c and copypage-v4mc.c. Signed-off-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 27 Nov, 2008 18 commits
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Russell King authored
For similar reasons as copy_user_page(), we want to avoid the additional kmap_atomic if it's unnecessary. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Russell King authored
We used to override the copy_user_page() function. However, this is not only inefficient, it also causes additional complexity for highmem support, since we convert from a struct page to a kernel direct mapped address and back to a struct page again. Moreover, with highmem support, we end up pointlessly setting up kmap entries for pages which we're going to remap. So, push the kmapping down into the copypage implementation files where it's required. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Russell King authored
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Russell King authored
With aliasing VIPT cache support, the ARM implementation of clear_user_page() and copy_user_page() sets up a temporary kernel space mapping such that we have the same cache colour as the userspace page. This avoids having to consider any userspace aliases from this operation. However, when highmem is enabled, kmap_atomic() have to setup mappings. The copy_user_highpage() and clear_user_highpage() call these functions before delegating the copies to copy_user_page() and clear_user_page(). The effect of this is that each of the *_user_highpage() functions setup their own kmap mapping, followed by the *_user_page() functions setting up another mapping. This is rather wasteful. Thankfully, copy_user_highpage() can be overriden by architectures by defining __HAVE_ARCH_COPY_USER_HIGHPAGE. However, replacement of clear_user_highpage() is more difficult because its inline definition is not conditional. It seems that you're expected to define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE and provide a replacement __alloc_zeroed_user_highpage() implementation instead. The allocation itself is fine, so we don't want to override that. What we really want to do is to override clear_user_highpage() with our own version which doesn't kmap_atomic() unnecessarily. Other VIPT architectures (PARISC and SH) would also like to override this function as well. Acked-by: Hugh Dickins <hugh@veritas.com> Acked-by: James Bottomley <James.Bottomley@HansenPartnership.com> Acked-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Russell King authored
Conflicts: arch/arm/Kconfig
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Russell King authored
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Russell King authored
Continuing the move away from implementations which give an excuse for other bad implementations, convert SA1100 to lookup its singular clock by dev_name(dev) rather than by id. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Russell King authored
Where devices only have one consumer, passing a consumer clock ID has no real benefit. Remove it. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Russell King authored
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Russell King authored
People often point to the Integrator/Versatile/Realview implementations to justify using the consumer name as the sole selector for clocks. Eliminate this excuse by changing the Versatile implementation, so it provides a better example of how it should be done. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Russell King authored
People often point to the Integrator/Versatile/Realview implementations to justify using the consumer name as the sole selector for clocks. Eliminate this excuse by changing the Integrator implementation, so it provides a better example of how it should be done. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Russell King authored
People often point to the Integrator/Versatile/Realview implementations to justify using the consumer name as the sole selector for clocks. Eliminate this excuse by changing the Realview implementation, so it provides a better example of how it should be done. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Russell King authored
Add some generic infrastructure to assist looking up struct clks for the ARM architecture. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Russell King authored
The CLPS7500 platform has not built since 2.6.22-git7 and there seems to be no interest in fixing it. So, remove the platform support. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Russell King authored
Rather than: config CPU_BLAH bool depends on ARCH_FOO || MACH_BAR default y if ARCH_FOO || MACH_BAR arrange for ARCH_FOO and MACH_BAR to select CPU_BLAH directly. Acked-by: Nicolas Pitre <nico@marvell.com> Acked-by: Andrew Victor <linux@maxim.org.za> Acked-by: Brian Swetland <swetland@google.com> Acked-by: Eric Miao <eric.miao@marvell.com> Acked-by: Nicolas Bellido <ml@acolin.be> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Russell King authored
As suggested by Andrew Morton, remove memzero() - it's not supported on other architectures so use of it is a potential build breaking bug. Since the compiler optimizes memset(x,0,n) to __memzero() perfectly well, we don't miss out on the underlying benefits of memzero(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 26 Nov, 2008 1 commit
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Tero Kristo authored
Use the correct wake-up enable register, and make it work with 34xx also. Signed-off-by: Tero Kristo <tero.kristo@nokia.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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- 25 Nov, 2008 2 commits
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Amit Kucheria authored
The second clk_deny_idle instance should be clk_allow_idle instead. Signed-off-by: Amit Kucheria <amit.kucheria@verdurent.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Tony Lindgren authored
Recently the omap McBSP code was cleaned up to get rid of direct McBSP register tinkering by the drivers. Looks like lcd_sx1.c never got converted, and now it breaks builds. It seems the lcd_sx1.c driver is attempting SPI mode, but doing it in a different way compared to omap_mcbsp_set_spi_mode(). Remove the broken driver, patches welcome to add it back when done properly by patching both mcbsp.c and lcd_sx1.c. Cc: Vovan888@gmail.com Cc: linux-fbdev-devel@lists.sourceforge.net Signed-off-by: Tony Lindgren <tony@atomide.com>
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- 23 Nov, 2008 1 commit
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Jaya Kumar authored
the use of is_blah() suggests a 1 or 0 return. This assumption is made in pxa25x_udc code such as: dev->vbus = is_vbus_present(); where dev->vbus is a bitfield. This fix allows pxa25x_udc_probe to correctly detect vbus. Other changes were to make its use consistent in the rest of the code. Signed-off-by: Jaya Kumar <jayakumar.lkml@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 22 Nov, 2008 2 commits
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Robert Jarzmik authored
The G3IPL expects the value at RAM address 0xa020b020 to be exactly 1 to setup the bluetooth GPIOs properly. The actual code got a value from gpio_get_value() which was not 1, but a "not equal to 0" integer. Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Robert Jarzmik authored
In the resume bootstrap, the early disable address is wrong. Fix it to RAM address 0xa020b000 instead of 0xa0200000, and make it consistent with RESUME_ENABLE_ADDR in mioa701.c. Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Eric Miao <eric.miao@marvell.com>
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- 21 Nov, 2008 1 commit
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Linus Torvalds authored
* master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 5330/1: mach-pxa: Fixup reset for systems using reboot=cold or other strings [ARM] pxa: fix incorrect PCMCIA PSKTSEL pin configuration for spitz [ARM] pxa: fix I2C controller device being registered twice on Akita pxafb: only initialize the smart panel thread when dealing with a smartpanel pxafb: introduce LCD_TYPE_MASK and use it.
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- 20 Nov, 2008 5 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6Linus Torvalds authored
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] xen: fix xen_get_eflags. [IA64] ia64/pv_ops/pv_cpu_ops: fix _IA64_REG_IP case. [IA64] remove duplicate include iommu.h [IA64] use mprintk instead of printk, in ia64_mca_modify_original_stack [IA64] Rationalize kernel mode alignment checking
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: USB: ACE1001 patch for cp2101.c USB: usbmon: fix read(2) USB: gadget rndis: send notifications USB: gadget rndis: stop windows self-immolation USB: storage: update unusual_devs entries for Nokia 5300 and 5310 USB: storage: updates unusual_devs entry for the Nokia 6300 usb: musb: fix bug in musb_schedule USB: fix SB700 usb subsystem hang bug
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Isaku Yamahata authored
fix xen_get_eflags. It doesn't take any argument. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Tony Luck <tony.luck@intel.com>
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Isaku Yamahata authored
pv_cpu_ops.getreg(_IA64_REG_IP) returned constant. But the returned ip valued should be the one in the caller, not of the callee. This patch fixes that. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Tony Luck <tony.luck@intel.com>
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