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* [PATCH] md: remove unneeded NULL checks before kfreeJesper Juhl2005-06-227-32/+17Star
| | | | | | | | | | This patch removes some unneeded checks of pointers being NULL before calling kfree() on them. kfree() handles NULL pointers just fine, checking first is pointless. Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: make sure md/bitmap doesn't try to write a page with active ↵NeilBrown2005-06-221-30/+38
| | | | | | | | | | | | | | writeback Due to the use of write-behind, it is possible for md to write a page to the bitmap file that is still completing writeback. This is not allowed. With this patch, we detect those cases and either force a sync write, or back off and try later, as appropriate. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Two small fixes for md verion-1 superblocks.NeilBrown2005-06-221-1/+1
| | | | | | | | | | | | 1/ Must typecast int to (sector_t) before inverting or we might not invert enough bits. 2/ When "bitmap_offset" was added to mdp_superblock_1, we didn't increase the count of words-used (96 to 100). Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: allow md to update multiple superblocks in parallel.NeilBrown2005-06-221-37/+48
| | | | | | | | | | | | | | | | | | | | currently, md updates all superblocks (one on each device) in series. It waits for one write to complete before starting the next. This isn't a big problem as superblock updates don't happen that often. However it is neater to do it in parallel, and if the drives in the array have gone to "sleep" after a period of idleness, then waking them is parallel is faster (and someone else should be worrying about power drain). Futher, we will need parallel superblock updates for a future patch which keeps the intent-logging bitmap near the superblock. Also remove the silly code that retired superblock updates 100 times. This simply never made sense. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: allow md intent bitmap to be stored near the superblock.NeilBrown2005-06-222-28/+144
| | | | | | | | | | | This provides an alternate to storing the bitmap in a separate file. The bitmap can be stored at a given offset from the superblock. Obviously the creator of the array must make sure this doesn't intersect with data.... After is good for version-0.90 superblocks. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: fix deadlock due to md thread processing delayed requests.NeilBrown2005-06-225-37/+21Star
| | | | | | | | | | | | | | | | | | | | Before completing a 'write' the md superblock might need to be updated. This is best done by the md_thread. The current code schedules this up and queues the write request for later handling by the md_thread. However some personalities (Raid5/raid6) will deadlock if the md_thread tries to submit requests to its own array. So this patch changes things so the processes submitting the request waits for the superblock to be written and then submits the request itself. This fixes a recently-created deadlock in raid5/raid6 Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: optimise reconstruction when re-adding a recently failed drive.NeilBrown2005-06-222-17/+61
| | | | | | | | | | | | When an array is degraded, bit in the intent-bitmap are never cleared. So if a recently failed drive is re-added, we only need to reconstruct the block that are still reflected in the bitmap. This patch adds support for this re-adding. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: initialise sync_blocks in raid1 resyncNeilBrown2005-06-221-0/+1
| | | | | | | | | | Otherwise it could have a random value and might BUG. This fixes a BUG during resync problem in raid1 introduced by the bitmap-based-intent-loggin patches. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: fix bug when raid1 attempts a partial reconstruct.NeilBrown2005-06-221-7/+10
| | | | | | | | The logic here is wrong. if fullsync is 0, it WILL BUG. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: raid1 support for bitmap intent loggingNeilBrown2005-06-221-28/+154
| | | | | | Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: don't skip bitmap pages due to lack of bit that we just cleared.NeilBrown2005-06-221-18/+17Star
| | | | | | | | | | | | | | When looking for pages that need cleaning we skip pages that don't have BITMAP_PAGE_CLEAN set. But if it is the 'current' page we will have cleared that bit ourselves, so skipping it is wrong. So: move the 'skip this page' inside 'if page != lastpage'. Also fold call of file_page_offset into the one place where the value (bit) is used. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: enable the bitmap write-back daemon and wait for it.NeilBrown2005-06-221-66/+53Star
| | | | | | | | | | | | Currently we don't wait for updates to the bitmap to be flushed to disk properly. The infrastructure all there, but it isn't being used.... A separate kernel thread (bitmap_writeback_daemon) is needed to wait for each page as we cannot get callbacks when a page write completes. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: check return value of write_page, rather than ignore itNeilBrown2005-06-221-6/+7
| | | | | | Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: improve debug-printing of bitmap superblock.NeilBrown2005-06-221-10/+10
| | | | | | | | | | - report sync_size properly - need /2 to convert sectors to KB - move everything over 2 spaces to allow proper spelling of "events cleared". Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md printk fixakpm@osdl.org2005-06-221-1/+2
| | | | | | | A u64 is not an unsigned long long. On power4 it is `long', and printk warns. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: make sure md bitmap is cleared on a clean start.NeilBrown2005-06-221-15/+12Star
| | | | | | | | | | | | | | | | As the array-wide clean bit (in the superblock) is set more agressively than the bits in the bitmap are cleared, it is possible to have an array which is clean despite there being bits set in the bitmap. These bits will currently never get cleared, as they can only be cleared by a resync pass, which never happens. No, when reading bits from disk, be aware of whether the whole array is known to be in sync, and act accordingly. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: minor code rearrangement in bitmap_init_from_diskNeilBrown2005-06-221-8/+8
| | | | | | Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: print correct pid for newly created bitmap-writeback-daemon.NeilBrown2005-06-221-1/+1
| | | | | | | | The debugging message printed the wrong pid, which didn't help remove bugs.... Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: call bitmap_daemon_work regularlyNeilBrown2005-06-221-1/+2
| | | | | | | | | | | | bitmap_daemon_work clears bits in the bitmap for blocks that haven't been written to for a while. It needs to be called regularly to make sure the bitmap doesn't endup full of ones .... but it wasn't. So call it from the increasingly-inaptly-named md_check_recovery Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: a couple of tidyups relating to the bitmap file.NeilBrown2005-06-222-13/+6Star
| | | | | | | | | | 1/ When init from disk, it is a BUG if there is nowhere to init from, 2/ use seq_path to print path in /proc/mdstat Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: optimised resync using Bitmap based intent loggingNeilBrown2005-06-223-15/+1679
| | | | | | | | | | | | | | | | | | | | | | | | | | | With this patch, the intent to write to some block in the array can be logged to a bitmap file. Each bit represents some number of sectors and is set before any update happens, and only cleared when all writes relating to all sectors are complete. After an unclean shutdown, information in this bitmap can be used to optimise resync - only sectors which could be out-of-sync need to be updated. Also if a drive is removed and then added back into an array, the recovery can make use of the bitmap to optimise reconstruction. This is not implemented in this patch. Currently the bitmap is stored in a file which must (obviously) be stored on a separate device. The patch only provided infrastructure. It does not update any personalities to bitmap intent logging. Md arrays can still be used with no bitmap file. This patch has minimal impact on such arrays. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: improve the interface to sync_requestNeilBrown2005-06-225-29/+45
| | | | | | | | | | | | | | | | | | | 1/ change the return value (which is number-of-sectors synced) from 'int' to 'sector_t'. The number of sectors is usually easily small enough to fit in an int, but if resync needs to abort, it may want to return the total number of remaining sectors, which could be large. Also errors cannot be returned as negative numbers now, so use 0 instead 2/ Add a 'skipped' return parameter to allow the array to report that it skipped the sectors. This allows md to take this into account in the speed calculations. Currently there is no important skipping, but the bitmap-based-resync that is coming will use this. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: improve locking on 'safemode' and move superblock writesNeilBrown2005-06-225-20/+74
| | | | | | | | | | | | | | | | | When md marks the superblock dirty before a write, it calls generic_make_request (to write the superblock) from within generic_make_request (to write the first dirty block), which could cause problems later. With this patch, the superblock write is always done by the helper thread, and write request are delayed until that write completes. Also, the locking around marking the array dirty and writing the superblock is improved to avoid possible races. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: merge md_enter_safemode into md_check_recoveryNeilBrown2005-06-225-38/+24Star
| | | | | | | | | | | | | | | | | | | | | | md_enter_safemode checks if it is time to mark the md superblock as 'clean'. i.e. if all writes have completed and a suitable delay has passed. This is currently called from md_handle_safemode which in-turn is called (almost) every time md_check_recovery is called, and from the end of md_do_sync which causes the mddev->thread to run, which will always call md_check_recovery as well. So it doesn't need to be a separate function and fits quite well into md_check_recovery. The "almost" is because multipathd calls md_check_recovery but not md_handle_safemode. This is OK because the code from md_enter_safemode is a no-op if mddev->safemode == 0, which it always is for a multipathd (providing we don't allow it to be set to 2 on a signal...) Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: make sure recovery happens when add_new_disk is used for hot_addNeilBrown2005-06-221-0/+2
| | | | | | | | | Currently if add_new_disk is used to hot-add a drive to a degraded array, recovery doesn't start ... because we didn't tell it to. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: cause md/raid1 to "repack" working devices when number of drives ↵NeilBrown2005-06-221-5/+19
| | | | | | | | | | | | | | | is changed i.e. missing or failed drives are moved to the end of the list. The means a 3 drive md array with the first drive missing can be shrunk to a two drive array. Currently that isn't possible. Also, the "last_used" device number might be out-of-range after the number of devices is reduced, so we set it to 0. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] fbdev: fill in the access_align field.James Simmons2005-06-226-2/+6
| | | | | | | | | Several drivers miss filling in the access_align field. So this patch has them fill it in. Signed-off-by: James Simmons <jsimmons@www.infradead.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] fbdev: stack reductionJames Simmons2005-06-225-39/+24Star
| | | | | | | | | Shrink the stack when calling the drawing alignment functions. Signed-off-by: James Simmons <jsimmons@www.infradead.org> Cc: "Antonino A. Daplas" <adaplas@hotpop.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] New framebuffer fonts + updated 12x22 font availableJurriaan2005-06-226-817/+10053
| | | | | | | | | | | | | | | | | | Improve the fonts for use with the framebuffer. I've added all the characters marked 'FIXME' in the sun12x22 font and created a 10x18 font (based on the sun12x22 font) and a 7x14 font (based on the vga8x16 font). This patch is non-intrusive, no options are enabled by default so most users won't notice a thing. I am placing my changes under the GPL, however, I've not seen any copyright notices on the sun12x22 font and the vga8x16 font which I derived my new fonts from so I don't know what the copyright status is. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Framebuffer driver for Arc LCD boardJaya Kumar2005-06-223-0/+701
| | | | | | | | | | | | | | Add support for the Arc monochrome LCD board. The board uses KS108 controllers to drive individual 64x64 LCD matrices. The board can be paneled in a variety of setups such as 2x1=128x64, 4x4=256x256 and so on. The board/host interface is through GPIO. Signed-off-by: Jaya Kumar <jayalk@intworks.biz> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: <linux-fbdev-devel@lists.sourceforge.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] intelfb: fix accel detection when changing video modesSylvain Meyer2005-06-221-2/+2
| | | | | | | | | | | | | Changed the tests in intelfb_set_par to check also the parameter var.accel_flags. If null, do nothing about ring buffers. Now, the DirectFB i830 driver could nicely work even if intelfb is hw accelerated. Just change the /etc/fb.modes file to disable console hw acceleration when starting a DirectFB app. Signed-off-by: Sylvain Meyer <sylvain.meyer@worldonline.fr> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] intelfb: Add voffset option to avoid conficts with Xorg i810 driverSylvain Meyer2005-06-221-4/+12
| | | | | | | | - Add voffset option to avoid conficts with Xorg i810 driver Signed-off-by: Sylvain Meyer <sylvain.meyer@worldonline.fr> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] VGA to fbcon fix.James Simmons2005-06-221-4/+13
| | | | | | | | | | | | | | | | | | | | Currently when going from vgacon to fbcon the VT screenbuffer are often different sizes. In the case when they are different sizes a new VT screenbuffer is allocated and the contents are copied into the new buffer. Currently the amount copied from VGA text memory to the new screenbuf is the size of the framebuffer console. If the framebuffer console new VT screen buffer is greater than the VGA text memory size then we get some of the VGA BIOS contents as well. This patch will only allow you to copy up to the size of VGA text memory now. The rest is filled with erase characters. Initial patch by Jordan Crouse <jordan.crouse@amd.com> Signed-off-by: James Simmons <jsimmons@www.infradead.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] pm3fb typo fixAlexey Dobriyan2005-06-221-1/+1
| | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] fbdev: iomove removalJames Simmons2005-06-223-74/+9Star
| | | | | | | | | | | | | Since no one is using the inbuf, outbuf of struct fb_pixmap I removed their use in the framebuffer console. The idea is instead move the pixmap functionality below the accelerated functions intead of on top as the way it is now. If there is no objection please apply. This is against Linus latestr GIT tree. Thank you. Signed-off-by: James Simmons <jsimmons@www.infradead.org> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] intelfbdrv naming fixAndrew Morton2005-06-221-1/+1
| | | | | | | | | | | | | | | | | | | | | | Can't use this fancy name, because it's used to generate a sysfs filename: kobject_register failed for Intel(R) 830M/845G/852GM/855GM/865G/915G Framebuffer Driver (-13) [<c01bf8e3>] kobject_register+0x43/0x70 [<c022dfe2>] bus_add_driver+0x52/0xa0 [<c01c8c10>] pci_device_shutdown+0x0/0x20 [<c01c8d71>] pci_register_driver+0x61/0x80 [<c0387099>] intelfb_init+0x59/0x70 [<c03787cc>] do_initcalls+0x2c/0xc0 [<c0159025>] kern_mount+0x15/0x17 [<c01002a0>] init+0x0/0x100 [<c01002ca>] init+0x2a/0x100 [<c0100f58>] kernel_thread_helper+0x0/0x18 [<c0100f5d>] kernel_thread_helper+0x5/0x18 Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] some vesafb fixesGerd Knorr2005-06-221-4/+4
| | | | | | | | | | | | | Fix the size passed to release_mem_region in an error path. Also adjust the message printed when vesafb cannot load; the comment there already says this must not be fatal, so the message should also not mention the word 'abort' otherwise indicating a problem to worry about in the log. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Gerd Knorr <kraxel@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] s1d13xxxfb linkage fixAndrew Morton2005-06-221-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | s1d13xxxfb_remove() is referenced from s1d13xxxfb_probe(), which is marked __devinit(). So s1d13xxxfb_remove() cannot be marked __devexit. Does this all make sense? Clearly the __devexit section will still be in core when the __devinit code is run, if the driver was loaded as a module. But I suppose that if the driver is statically linked, the __devexit section might be dropped early in boot. Still, we wouldn't drop __devexit prior to initcall completion, at which point the __devinit code has all been run anyway. verdict: this code was legal and made sense. Is this a generic problem, or an arm-specific problem? UPD include/linux/compile.h CC init/version.o LD init/built-in.o LD .tmp_vmlinux1 `.exit.text' referenced in section `.init.text' of drivers/built-in.o: defined in discarded section `.exit.text' of drivers/built-in.o Cc: Russell King <rmk@arm.linux.org.uk> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Bring back Tux on Chips 65550 framebufferKeenan Pepper2005-06-221-3/+0Star
| | | | | | | | | I don't see any reason why the framebuffer should need to be cleared, and it makes Tux vanish. Cc: <linux-fbdev-devel@lists.sourceforge.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ibmasm driver: fix race in command refcount logicMax Asbock2005-06-226-13/+51
| | | | | | | | | | | | | This patch fixes a race in the command reference counting logic by putting spinlocks around kobject_put() in the command_put function. - Also added debug messages. - Changed a memcpy to memcpy_fromio since we are reading from io space. Signed-off-by: Max Asbock <masbock@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ibmasm driver: redesign handling of remote control eventsMax Asbock2005-06-226-269/+449
| | | | | | | | | | | | | | This patch rewrites the handling of remote control events. Rather than making them available from a special file in the ibmasmfs, now the events from the RSA card get translated into kernel input events and injected into the input subsystem. The driver now will generate two /dev/input/eventX nodes -- one for the keyboard and one for the mouse. The mouse node generates absolute events more like a touch pad than a mouse. Signed-off-by: Vernon Mauery <vernux@us.ibm.com> Signed-off-by: Max Asbock <masbock@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ibmasm driver: correctly wake up sleeping threadsMax Asbock2005-06-223-14/+40
| | | | | | | | | | Due to my incomplete understanding of the wait_event_interruptible() function threads waiting for service processor events were not woken up. This patch fixes that problem. Signed-off-by: Max Asbock <masbock@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ibmasm driver: fix command buffer sizeMax Asbock2005-06-221-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | First of a series of patches for the ibmasm driver. (that is the driver for the IBM xSeries RSA service processor) To summarize what they do: [1] change a #define for the buffer size for commands [2] Fix a bug where threads in the event handling code calling wait_event_interruptible() weren't woken up as expected. [3] Redesigned how remote mouse and keyboard events received by the driver are handled. [4] Fixed a race in the command reference counting logic. This patch: - change a #define for the buffer size for commands Signed-off-by: Max Asbock <masbock@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] s390: cio max channels checksCornelia Huck2005-06-221-3/+3
| | | | | | | | Fix max channel check in cio_ignore display function. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] m32r: Remove include/asm-m32r/m32102peri.hHirokazu Takata2005-06-221-2/+2
| | | | | | | | | | | This patch removes an obsolete header file include/asm-m32r/m32102peri.h. In this header, there are some undesirable single character types, like V. And the header is almost no longer used. Signed-off-by: Hayato Fujiwara <fujiwara@linux-m32r.org> Signed-off-by: Hirokazu Takata <takata@linux-m32r.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] m32r: Update m32r_cfc.[ch] to support Mappi-III platformHirokazu Takata2005-06-223-38/+33Star
| | | | | | | | | | This patch is for the M32R CF/PCMCIA drivers to support a new platform, Mappi-III evaluation board. Signed-off-by: Mamoru Sakugawa <sakugawa@linux-m32r.org> Signed-off-by: Hirokazu Takata <takata@linux-m32r.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ioc4: PCI bus speed detectionBrent Casavant2005-06-223-14/+147
| | | | | | | | | | | | Several hardware features of SGI's IOC4 I/O controller chip require timing-related driver calculations dependent upon the PCI bus speed. This patch enables the core IOC4 driver code to detect the actual bus speed and store a value that can later be used by the IOC4 subdrivers as needed. Signed-off-by: Brent Casavant <bcasavan@sgi.com> Acked-by: Pat Gefre <pfg@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ioc4: CONFIG splitBrent Casavant2005-06-227-5/+36
| | | | | | | | | | | | | | | | The SGI IOC4 I/O controller chip drivers are currently all configured by CONFIG_BLK_DEV_SGIIOC4. This is undesirable as not all IOC4 hardware features are needed by all systems. This patch adds two configuration variables, CONFIG_SGI_IOC4 for core IOC4 driver support (see patch 1/3 in this series for further explanation) and CONFIG_SERIAL_SGI_IOC4 to independently enable serial port support. Signed-off-by: Brent Casavant <bcasavan@sgi.com> Acked-by: Pat Gefre <pfg@sgi.com> Acked-by: Jeremy Higdon <jeremy@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ioc4: Core driver rewriteBrent Casavant2005-06-223-215/+416
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This series of patches reworks the configuration and internal structure of the SGI IOC4 I/O controller device drivers. These changes are motivated by several factors: - The IOC4 chip PCI resources are of mixed use between functions (i.e. multiple functions are handled in the same address range, sometimes within the same register), muddling resource ownership and initialization issues. Centralizing this ownership in a core driver is desirable. - The IOC4 chip implements multiple functions (serial, IDE, others not yet implemented in the mainline kernel) but is not a multifunction PCI device. In order to properly handle device addition and removal as well as module insertion and deletion, an intermediary IOC4-specific driver layer is needed to handle these operations cleanly. - All IOC4 drivers are currently enabled by a single CONFIG value. As not all systems need all IOC4 functions, it is desireable to enable these drivers independently. - The current IOC4 core driver will trigger loading of all function-level drivers, as it makes direct calls to them. This situation should be reversed (i.e. function-level drivers cause loading of core driver) in order to maintain a clear and least-surprise driver loading model. - IOC4 hardware design necessitates some driver-level dependency on the PCI bus clock speed. Current code assumes a 66MHz bus, but the speed should be autodetected and appropriate compensation taken. This patch series effects the above changes by a newly and better designed IOC4 core driver with which the function-level drivers can register and deregister themselves upon module insertion/removal. By tracking these modules, device addition/removal is also handled properly. PCI resource management and ownership issues are centralized in this core driver, and IOC4-wide configuration actions such as bus speed detection are also handled in this core driver. This patch: The SGI IOC4 I/O controller chip implements multiple functions, though it is not a multi-function PCI device. Additionally, various PCI resources of the IOC4 are shared by multiple hardware functions, and thus resource ownership by driver is not clearly delineated. Due to the current driver design, all core and subordinate drivers must be loaded, or none, which is undesirable if not all IOC4 hardware features are being used. This patch reorganizes the IOC4 drivers so that the core driver provides a subdriver registration service. Through appropriate callbacks the subdrivers can now handle device addition and removal, as well as module insertion and deletion (though the IOC4 IDE driver requires further work before module deletion will work). The core driver now takes care of allocating PCI resources and data which must be shared between subdrivers, to clearly delineate module ownership of these items. Signed-off-by: Brent Casavant <bcasavan@sgi.com> Acked-by: Pat Gefre <pfg@sgi.com Acked-by: Jeremy Higdon <jeremy@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] mips: add vr41xx gpio supportYoichi Yuasa2005-06-223-0/+748
| | | | | | | | | Add vr41xx gpio support. Signed-off-by: Yoichi Yuasa <yuasa@hh.iij4u.or.jp> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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