- 30 Sep, 2010 2 commits
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Magnus Damm authored
Update the SH kernel to keep SR.BL set until the VBR register has been initialized. Useful to allow boot of the kernel even though exceptions are pending. Without this patch there is a window of time when exceptions such as NMI are enabled but no exception handlers are installed. This patch modifies both the zImage loader and the actual kernel to boot with BL=1, but the zImage loader is modfied in such a way that the init_sr value is unchanged to not break the zImage loader provided by kexec. Tested on sh7724 Ecovec and on the SH4AL-DSP core included in sh7372. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Guennadi Liakhovetski authored
kfree() in clkdev_drop() function should actually be called with an address of a struct clk_lookup_alloc object, and not struct clk_lookup, as presently done. This just happens to work, because "struct clk_lookup cl" is the first member in struct clk_lookup_alloc. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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- 23 Sep, 2010 2 commits
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Paul Mundt authored
While sh previously had its own debugfs root, there now exists a common arch_debugfs_dir prototype, so we switch everything over to that. Presumably once more architectures start making use of this we'll be able to just kill off the stub kdebugfs wrapper. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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matt mooney authored
Replace EXTRA_CFLAGS with ccflags-y. Signed-off-by: matt mooney <mfm@muteddisk.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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- 20 Sep, 2010 7 commits
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Paul Mundt authored
This copies the pci_config_lock idea from x86 over, allowing us to kill off a couple of existing private locks. At the same time, these need to be converted to raw spinlocks for -rt kernels, so we make that change at the same time. This should make it easier for future parts to get the locking right instead of inevitable ending up with lock type mismatches. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
This gets each port handling its MSTP bit, as well as moving the PHY clock management in to the clock framework. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
Some of the existing code is flipping between __raw_xxx() and pci_{read,write}_reg(). As the latter are just wrappers for the former, flip over to using them consistently. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
Presently we error out if a link is disabled and simply drop the port registration outright. This follows the PPC changes and simply reports on the link state on boot, leaving the port registered, in order to more easily deal with hotplug on future parts. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
These settings are properly propagated by the hardware already, so there's no need to bother with them manually. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
The SH7786 PCIe is presently unable to enumerate itself in root complex mode, and has no visibility through either type 0 or type 1 accesses, despite having a mostly sensible extended config space for each port. Attempts to generate type 0 or type 1 config cycles result in completer aborts, so we're ultimately forced to use SuperHyway transactions instead. As each port has a single port <-> device mapping that resolves for any PCI_SLOT definition, we simply hijack devfn 0 for the SuperHyway transaction and bump up the devfn limit. With enumeration of the root complex now possible, we also need to insert an early fixup to hide the BARs from the kernel. With all of that done, it's now possible to use the pcieport services with all of the PCIe ports, which is the first step to power management support. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
Previously these IDs were only used by one driver, so there was not much need for having them generically defined. Now that this will no longer hold true, move them over. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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- 19 Sep, 2010 3 commits
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Paul Mundt authored
The spec suggests waiting up to 500ms for the PHY to settle before testing link state, but practice shows that 100ms is sufficient (this is the delay value we also use on the other SH-4A PCI controllers, too). This makes device detection much more reliable, although in the future it should be a bit faster to simply serialize with a TLP IRQ. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
After configuration accesses have been completed deassert the configuration access enable cleanly. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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- 16 Sep, 2010 3 commits
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Paul Mundt authored
The _remove() routine is flagged __init_or_module, despite only being used in a __devexit context. As the rest of the driver is already balanced out with __devinit, switch to __devexit and __devexit_p() wrapping. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
The current probe/remove definitions are split between __init and __devexit, make them consistent by switching to __devinit. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Arnd Bergmann authored
The only BKL user in arch/sh protects a single bit, so we can trivially replace it with test_and_set_bit. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Paul Mundt <lethal@linux-sh.org> Cc: linux-sh@vger.kernel.org Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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- 14 Sep, 2010 5 commits
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Paul Mundt authored
According to Morimoto-san, this is no longer needed. Revert it. This reverts commit e0009b0a. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
Now that the rest of the socket calls are provided through their own paths, do the same for sys_recvmmsg. It's unlikely we'll ever be able to kill off the socketcall path, but this at least permits userspace to gradually begin migrating. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Carmelo AMOROSO authored
Linux kernel already has socket syscalls that can be invoked without the multiplexing sys_socketcall wrapper. C library wrappers are ready to use them directly. It needs just to define the missing syscall numbers and provide the related entries into the syscalls table, like sh64 aleady does. Signed-off-by: Francesco Rundo <francesco.rundo@st.com> Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Kuninori Morimoto authored
This patch modify x_plate_ohms to correct value for tsc2007 panel, and removed un-necessary ts_get_pendown_state() Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Matt Fleming authored
As the help for the config option suggests, this option really shouldn't be set by default for any recent distribution as it changes the layout of sysfs. I spotted this while running debian when udev got very confused by the sysfs layout and failed to create some device nodes. Signed-off-by: Matt Fleming <matt@console-pimps.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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- 07 Sep, 2010 7 commits
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Paul Mundt authored
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Paul Mundt authored
Now that the resource assignment issues are resolved, we can finally wire up the small third memory window -- in the future we may reclaim this for MSI. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
An IORESOURCE_IO was missing here, which meant that we weren't properly establishing the I/O window for this particular slot. With this corrected, cards with I/O BARs have them actually assigned and accessible. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
Certain memory windows are only available for 32-bit space, so skip over these in 29-bit mode. This will severely restrict the amount of memory that can be mapped, but since a boot loader bug makes booting in 29-bit mode close to impossible anyways, everything is ok. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
This bumps up the low address to match the physical memory windows for SHway<->PCIe transfers. The previous implementation was banking on a 1:1 virt<->phys SHway mapping, which doesn't apply here. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
This attempts a more complete port reset, building on top of the existing approach. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Matt Fleming authored
Signed-off-by: Matt Fleming <matt@console-pimps.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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- 20 Aug, 2010 7 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6Paul Mundt authored
Conflicts: arch/sh/kernel/process_32.c Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
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Paul Mundt authored
These were newly added while the defconfig reduction work was ongoing, strip them down now. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
SH7786 PCIe has 1 slot per port, but no specific restriction on function. Relax the devfn restriction and look to the slot number instead when configured as a root complex. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
This was killed off by a simplification patch previously that failed to take the cpufreq use case in to account, so reinstate the old bounding logic. The lowest rate bounding on the other hand was broken in that it never actually got assigned a rate and the best fit rate was instead just getting lucky based on the ordering of the rate table, fix this up so the code actually does what it was intended to do originally. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
This brings the clocking and register setting in line with the somewhat factually ambiguous specification. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt authored
This enables support for type 1 config space accesses on the SH7786 PCI controller. At the same time, add in some extra sanity checks for controller asserted errors. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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- 18 Aug, 2010 4 commits
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git://git.linux-nfs.org/projects/trondmy/nfs-2.6Linus Torvalds authored
* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6: NFS: Fix an Oops in the NFSv4 atomic open code NFS: Fix the selection of security flavours in Kconfig NFS: fix the return value of nfs_file_fsync() rpcrdma: Fix SQ size calculation when memreg is FRMR xprtrdma: Do not truncate iova_start values in frmr registrations. nfs: Remove redundant NULL check upon kfree() nfs: Add "lookupcache" to displayed mount options NFS: allow close-to-open cache semantics to apply to root of NFS filesystem SUNRPC: fix NFS client over TCP hangs due to packet loss (Bug 16494)
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hidLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: USB HID: Add ID for eGalax Multitouch used in JooJoo tablet HID: hiddev: fix memory corruption due to invalid intfdata HID: hiddev: protect against disconnect/NULL-dereference race HID: picolcd: correct ordering of framebuffer freeing HID: picolcd: testing the wrong variable
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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] Fix build error: conflicting types for ‘sys_execve’
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David Howells authored
Fix the declaration of sys_execve() in asm-generic/syscalls.h to have various consts applied to its pointers. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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