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* Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds2008-04-28
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (45 commits) [MIPS] Pb1200/DBAu1200: move platform code to its proper place [MIPS] Fix handling of trap and breakpoint instructions [MIPS] Pb1200: do register SMC 91C111 [MIPS] DBAu1200: fix bad SMC 91C111 resource size [NET] Kconfig: Rename MIKROTIK_RB500 -> MIKROTIK_RB532 [MIPS] IP27: Fix build bug due to missing include [MIPS] Fix some sparse warnings on traps.c and irq-msc01.c [MIPS] cevt-gt641xx: Kill unnecessary include [MIPS] DS1287: Add clockevent driver [MIPS] add DECstation I/O ASIC clocksource [MIPS] rbtx4938: minor cleanup [MIPS] Alchemy: kill unused PCI_IRQ_TABLE_LOOKUP macro [MIPS] rbtx4938: misc cleanups [MIPS] jmr3927: use generic txx9 gpio [MIPS] rbhma4500: use generic txx9 gpio [MIPS] generic txx9 gpio support [MIPS] make fallback gpio.h gpiolib-friendly [MIPS] unexport null_perf_irq() and make it static [MIPS] unexport rtc_mips_set_time() [MIPS] unexport copy_from_user_page() ...
| * [MIPS] Pb1200/DBAu1200: move platform code to its proper placeSergei Shtylyov2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since both the IDE interface and SMC 91C111 Ethernet chip are on-board devices, not SOC devices, move the platform device registration form the common to the board specific code. While at it, remove semicolon (which didn't break compilation only by chance) from the AU1XXX_ATA_DDMA_REQ macro and do some renaming: - change 'au1200_ide0_' variable name prefix to the mere 'ide_'; - change 'smc91x_' variable name prefix to 'smc91c111_' since that's the name of the chip used on the boards; - drop 'AU1XXX_' prefix from the names of macros describing IDE and Ethernet on-board devices; - change 'SMC91111_' to 'SMC91C111_', change 'IRQ' to 'INT' in the names of the macros describing the Ethernet chip for consistency with the IDE macros; - change 'ATA_' to 'IDE_' and 'OFFSET' to 'SHIFT' (since this value is indeed a shift count) in the names of the macros describing the IDE interface. Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] IP27: Fix build bug due to missing includeAdrian Bunk2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | asm-mips/mach-ip27/topology.h must #include <asm-generic/topology.h> This fixes the following compile error: ... CC kernel/sched.o /home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c: In function 'find_next_best_node': /home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c:7015: error: implicit declaration of function 'node_to_cpumask_ptr' /home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c:7015: error: '__tmp__' undeclared (first use in this function) /home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c:7015: error: (Each undeclared identifier is reported only once /home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c:7015: error: for each function it appears in.) /home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c: In function 'sched_domain_node_span': /home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c:7047: error: 'nodemask' undeclared (first use in this function) /home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c:7048: warning: ISO C90 forbids mixed declarations and code /home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c:7059: error: implicit declaration of function 'node_to_cpumask_ptr_next' /home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c: In function '__build_sched_domains': /home/bunk/linux/kernel-2.6/git/linux-2.6/kernel/sched.c:7605: error: 'pnodemask' undeclared (first use in this function) make[2]: *** [kernel/sched.o] Error 1 <-- snip --> Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Fix some sparse warnings on traps.c and irq-msc01.cAtsushi Nemoto2008-04-28
| | | | | | | | | | | | | | | | | | * Declare board_bind_eic_interrupt, board_watchpoint_handler in traps.h * Make msc_bind_eic_interrupt static and fix its argument types. * Make msc_levelirq_type, msc_edgeirq_type static. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] DS1287: Add clockevent driverYoichi Yuasa2008-04-28
| | | | | | | | | | Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] add DECstation I/O ASIC clocksourceYoichi Yuasa2008-04-28
| | | | | | | | | | | | | | Add DECstation I/O ASIC clocksource Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Alchemy: kill unused PCI_IRQ_TABLE_LOOKUP macroSergei Shtylyov2008-04-28
| | | | | | | | | | Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] rbtx4938: misc cleanupsAtsushi Nemoto2008-04-28
| | | | | | | | | | | | | | | | | | | | * Do not use non-standard I/O accessors, such as reg_rd08, etc. * Kill unnecessary wbflush() * Kill tx4938_mips.h * Kill unnecessary includes Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] jmr3927: use generic txx9 gpioAtsushi Nemoto2008-04-28
| | | | | | | | | | | | | | Use generic txx9 gpio (and gpiolib) for JMR3927 board. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] rbhma4500: use generic txx9 gpioAtsushi Nemoto2008-04-28
| | | | | | | | | | | | | | Use generic txx9 gpio (and gpiolib) for RBHMA4500 board. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] generic txx9 gpio supportAtsushi Nemoto2008-04-28
| | | | | | | | | | | | | | This is a board-independent TXx9 gpio API implementation using gpiolib. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] make fallback gpio.h gpiolib-friendlyAtsushi Nemoto2008-04-28
| | | | | | | | | | | | | | | | | | | | If gpiolib was selected, asm-generic/gpio.h provides some prototypes for gpio API and implementation helpers. With this patch, platform code can implement its GPIO API using gpiolib without custom gpio.h file. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Alchemy: don't unmask timer IRQ earlySergei Shtylyov2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Defer the unmasking of the count/compare interrupt (IRQ5) till the clockevent driver initialization: - only enable the cascaded IRQs 0 thru 4 in arch_init_irq(); kill the ALLINTS macro -- this change is blessed by AMD as I saw it in their own patch; :-) - do not force IRQ5 enabled in plat_time_init() if PM is enabled and there's no 32 KHz crystal. Update the copyrights (taking into account my prior changes), also removing Pete Popov's old email... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Move arch/mips/philips to arch/mips/nxpDaniel Laird2008-04-28
| | | | | | | | | | Signed-off-by: daniel.j.laird <daniel.j.laird@nxp.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Add support for MIPS CMP platform.Ralf Baechle2008-04-28
| | | | | | | | | | | | Signed-off-by: Chris Dearman <chris@mips.com> Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Add CoreFPGA5 support; distinguish between SOCit/ROCitChris Dearman2008-04-28
| | | | | | | | | | Signed-off-by: Chris Dearman <chris@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Allow setting of the cache attribute at run time.Chris Dearman2008-04-28
| | | | | | | | | | | | | | | | Slightly tacky, but there is a precedent in the sparc archirecture code. Signed-off-by: Chris Dearman <chris@mips.com> Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Tidy up cache attributesChris Dearman2008-04-28
| | | | | | | | | | Signed-off-by: Chris Dearman <chris@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] All MIPS32 processors support64-bit physical addresses.Chris Dearman2008-04-28
| | | | | | | | | | | | | | Still, only the 4K may actually implement it. Signed-off-by: Chris Dearman <chris@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Merge branch 'for-linus' of ↵Linus Torvalds2008-04-28
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/selinux-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/selinux-2.6: SELinux: Fix a RCU free problem with the netport cache SELinux: Made netnode cache adds faster SELinux: include/security.h whitespace, syntax, and other cleanups SELinux: policydb.h whitespace, syntax, and other cleanups SELinux: mls_types.h whitespace, syntax, and other cleanups SELinux: mls.h whitespace, syntax, and other cleanups SELinux: hashtab.h whitespace, syntax, and other cleanups SELinux: context.h whitespace, syntax, and other cleanups SELinux: ss/conditional.h whitespace, syntax, and other cleanups SELinux: selinux/include/security.h whitespace, syntax, and other cleanups SELinux: objsec.h whitespace, syntax, and other cleanups SELinux: netlabel.h whitespace, syntax, and other cleanups SELinux: avc_ss.h whitespace, syntax, and other cleanups Fixed up conflict in include/linux/security.h manually
| * | SELinux: include/security.h whitespace, syntax, and other cleanupsEric Paris2008-04-27
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch changes include/security.h to fix whitespace and syntax issues. Things that are fixed may include (does not not have to include) whitespace at end of lines spaces followed by tabs spaces used instead of tabs spacing around parenthesis location of { around structs and else clauses location of * in pointer declarations removal of initialization of static data to keep it in the right section useless {} in if statemetns useless checking for NULL before kfree fixing of the indentation depth of switch statements no assignments in if statements include spaces around , in function calls and any number of other things I forgot to mention Signed-off-by: Eric Paris <eparis@redhat.com> Signed-off-by: James Morris <jmorris@namei.org>
* | usbhid endianness annotations and fixesAl Viro2008-04-28
| | | | | | | | | | | | | | | | usb_control_msg() converts arguments to little-endian itself, doing that in caller means breakage on big-endian boxen. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | fix ia64 local_irq_save() et.al.Al Viro2008-04-28
| | | | | | | | | | | | | | | | | | psr is not a good name for local variable in macro body when it has a good chance of being the argument of said macro (actually is at least in one place) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds2008-04-28
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc: video drivers: add facility level sparc: tcx.c make tcx_init and tcx_exit static sparc: ffb.c make ffb_init and ffb_exit static sparc: cg14.c make cg14_init and cg15_exit static sparc: bw2.c fix bw2_exit sparc64: Fix accidental syscall restart on child return from clone/fork/vfork. sparc64: Clean up handling of pt_regs trap type encoding. sparc: Remove old style signal frame support. sparc64: Kill bogus RT_ALIGNEDSZ macro from signal.c sparc: sunzilog.c remove unused argument sparc: fix drivers/video/tcx.c warning sparc64: Kill unused local ISA bus layer. input: Rewrite sparcspkr device probing. sparc64: Do not ignore 'pmu' device ranges. sparc64: Kill ISA_FLOPPY_WORKS code. sparc64: Kill CONFIG_SPARC32_COMPAT sparc64: Cleanups and corrections for arch/sparc64/Kconfig sparc64: Fix wedged irq regression.
| * | sparc64: Clean up handling of pt_regs trap type encoding.David S. Miller2008-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If we use this from more than one place, it's better to have helpers instead of twiddling magic constants all over. Add pt_regs_trap_type(), pt_regs_clear_trap_type(), and pt_regs_is_syscall(). Use them in do_signal(). Signed-off-by: David S. Miller <davem@davemloft.net>
| * | sparc: Remove old style signal frame support.David S. Miller2008-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Back around the same time we were bootstrapping the first 32-bit sparc Linux kernel with a SunOS userland, we made the signal frame match that of SunOS. By the time we even started putting together a native Linux userland for 32-bit Sparc we realized this layout wasn't sufficient for Linux's needs. Therefore we changed the layout, yet kept support for the old style signal frame layout in there. The detection mechanism is that we had sys_sigaction() start passing in a negative signal number to indicate "new style signal frames please". Anyways, no binaries exist in the world that use the old stuff. In fact, I bet Jakub Jelinek and myself are the only two people who ever had such binaries to be honest. So let's get rid of this stuff. I added an assertion using WARN_ON_ONCE() that makes sure 32-bit applications are passing in that negative signal number still. Signed-off-by: David S. Miller <davem@davemloft.net>
| * | sparc64: Kill unused local ISA bus layer.David S. Miller2008-04-27
| | | | | | | | | | | | | | | | | | No more drivers use this, and therefore it can die. Signed-off-by: David S. Miller <davem@davemloft.net>
| * | sparc64: Kill ISA_FLOPPY_WORKS code.David S. Miller2008-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This never was enabled, I could never get it working, and if anyone wants to try and get it's very easy to reference this code in the history. It's the only thing referencing the silly ISA device layer in the sparc64 tree. OF device layer infrastructure is what should be used for these things. Signed-off-by: David S. Miller <davem@davemloft.net>
* | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2008-04-28
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: iwlwifi: Allow building iwl3945 without iwl4965. wireless: Fix compile error with wifi & leds tcp: Fix slab corruption with ipv6 and tcp6fuzz ipv4/ipv6 compat: Fix SSM applications on 64bit kernels. [IPSEC]: Use digest_null directly for auth sunrpc: fix missing kernel-doc can: Fix copy_from_user() results interpretation Revert "ipv6: Fix typo in net/ipv6/Kconfig" tipc: endianness annotations ipv6: result of csum_fold() is already 16bit, no need to cast [XFRM] AUDIT: Fix flowlabel text format ambibuity.
| * | | ipv4/ipv6 compat: Fix SSM applications on 64bit kernels.David L Stevens2008-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support on 64-bit kernels for seting 32-bit compatible MCAST* socket options. Signed-off-by: David L Stevens <dlstevens@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | FAT_VALID_MEDIA(): remove pointless testAndrew Morton2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The on-disk media specification field in FAT is only 8-bits, so testing for <=0xff is pointless, and can generate a "comparison is always true due to limited range of data type" warning. While we're there, convert FAT_VALID_MEDIA() into a C function - the present implementation is buggy: it generates either one or two references to its argument. Cc: Frank Seidel <fseidel@suse.de> Acked-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | fat: Update free_clusters even if it is untrustedOGAWA Hirofumi2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, free_clusters is not updated until it is trusted, because Windows doesn't update it correctly. But if user is using FAT driver of Linux, it updates free_clusters correctly. Instead, this updates it even if it's untrusted, so if free_clustes is correct, now keep correct value. Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | fat: Add allow_utime optionOGAWA Hirofumi2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Normally utime(2) checks current process is owner of the file, or it has CAP_FOWNER capability. But FAT filesystem doesn't have uid/gid as on disk info, so normal check is too unflexible. With this option you can relax it. Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | fat: fat_notify_change() and check_mode() cleanupOGAWA Hirofumi2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Rename fat_notify_change() to fat_setattr() - check_mode() cleanup - Change layout of code Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | reiserfs: unpack tails on quota filesJan Kara2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Quota files cannot have tails because quota_write and quota_read functions do not support them. So far when quota files did have tail, we just refused to turn quotas on it. Sadly this check has been wrong and so there are now plenty installations where quota files don't have NOTAIL flag set and so now after fixing the check, they suddently fail to turn quotas on. Since it's easy to unpack the tail from kernel, do this from reiserfs_quota_on() which solves the problem and is generally nicer to users anyway. Signed-off-by: Jan Kara <jack@suse.cz> Reported-by: <urhausen@urifabi.net> Cc: Jeff Mahoney <jeffm@suse.com> Cc: Chris Mason <chris.mason@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | md: introduce get_priority_stripe() to improve raid456 write performanceDan Williams2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Improve write performance by preventing the delayed_list from dumping all its stripes onto the handle_list in one shot. Delayed stripes are now further delayed by being held on the 'hold_list'. The 'hold_list' is bypassed when: * a STRIPE_IO_STARTED stripe is found at the head of 'handle_list' * 'handle_list' is empty and i/o is being done to satisfy full stripe-width write requests * 'bypass_count' is less than 'bypass_threshold'. By default the threshold is 1, i.e. every other stripe handled is a preread stripe provided the top two conditions are false. Benchmark data: System: 2x Xeon 5150, 4x SATA, mem=1GB Baseline: 2.6.24-rc7 Configuration: mdadm --create /dev/md0 /dev/sd[b-e] -n 4 -l 5 --assume-clean Test1: dd if=/dev/zero of=/dev/md0 bs=1024k count=2048 * patched: +33% (stripe_cache_size = 256), +25% (stripe_cache_size = 512) Test2: tiobench --size 2048 --numruns 5 --block 4096 --block 131072 (XFS) * patched: +13% * patched + preread_bypass_threshold = 0: +37% Changes since v1: * reduce bypass_threshold from (chunk_size / sectors_per_chunk) to (1) and make it configurable. This defaults to fairness and modest performance gains out of the box. Changes since v2: * [neilb@suse.de]: kill STRIPE_PRIO_HI and preread_needed as they are not necessary, the important change was clearing STRIPE_DELAYED in add_stripe_bio and this has been moved out to make_request for the hang fix. * [neilb@suse.de]: simplify get_priority_stripe * [dan.j.williams@intel.com]: reset the bypass_count when ->hold_list is sampled empty (+11%) * [dan.j.williams@intel.com]: decrement the bypass_count at the detection of stripes being naturally promoted off of hold_list +2%. Note, resetting bypass_count instead of decrementing on these events yields +4% but that is probably too aggressive. Changes since v3: * cosmetic fixups Tested-by: James W. Laferriere <babydr@baby-dragons.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | fbdev: platforming hecubafb and n411Jaya Kumar2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch splits hecubafb into the platform independent hecubafb and the platform dependent n411. Signed-off-by: Jaya Kumar <jayakumar.lkml@gmail.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | fbdev: platforming metronomefb and am200epdJaya Kumar2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch splits metronomefb into the platform independent metronomefb and the platform dependent am200epd. Signed-off-by: Jaya Kumar <jayakumar.lkml@gmail.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | gxfb/lxfb: detect framebuffer size using an MSR if VSA2 isn't availableAndres Salomon2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If there's no VSA2 (ie, if we're using tinybios or OpenFirmware), use the GLIU's P2D Range Offset Descriptor to determine how much memory we have available for the framebuffer. Originally based on a patch by Jordan Crouse. Tested with OpenFirmware; Pascal informs me that tinybios has a stub that fills in P2D_RO0. Signed-off-by: Andres Salomon <dilinger@debian.org> Cc: Jordan Crouse <jordan.crouse@amd.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | gxfb/lxfb: use VSA definitions when fetching framebuffer sizeAndres Salomon2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ..Rather than using magic constants. Signed-off-by: Andres Salomon <dilinger@debian.org> Cc: Jordan Crouse <jordan.crouse@amd.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | atmel_lcdfb: wiring BGR to RGB color modeNicolas Ferre2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Adds different wiring mode for the LCD screen. The legacy atmel LCDC IP uses a non standard color mode, "BGR-555.1" instead "RGB-565". The major part of graphic stacks for embedded systems uses only "RGB-565". It is possible to swap LCD IOs instead of doing this bit swapping by software (See application note AT91SAM9 LCD Controller http://www.atmel.com/dyn/resources/prod_documents/doc6300.pdf) This wire swapping is done on the at91sam9rl-ek board (board code using this patch will come later). Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Hans-Christian Egtvedt <hcegtvedt@atmel.com> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: Andrew Victor <avictor.za@gmail.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | atmel_lcdfb: suspend/resume supportDavid Brownell2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Teach atmel_lcdfb driver how to suspend/resume. Note that the backlight control should probably do more of the same stuff: turning off display power (more than just the backlight) and stopping the clocks (and dma to drive the no-longer-seen display). No point in wasting power to generate images that can't be observed, after all... Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Cc: Hans-Christian Egtvedt <hcegtvedt@atmel.com> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: Andrew Victor <avictor.za@gmail.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | PM/gxfb: add hook to PM console layer that allows disabling of suspend VT switchAndres Salomon2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Prior to suspend, we allocate and switch to a new VT; after suspend, we switch back to the original VT. This can be slow, and is completely unnecessary if the framebuffer we're using can restore video properly. This adds a hook that allows drivers to select whether or not to do this vt switch, and changes the gxfb driver to call this hook. It also adds a module param to gxfb to allow controlling of the vt switch (defaulting to no switch). (Note: I'm not convinced that console_sem is the best way to protect this, but we should probably have some form of locking..) [akpm@linux-foundation.org: build fix] Signed-off-by: Andres Salomon <dilinger@debian.org> Cc: Jordan Crouse <jordan.crouse@amd.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: Pavel Machek <pavel@ucw.cz> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | x86: GEODE: add Virtual Systems Architecture detectionAndres Salomon2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is generic VSA2 detection. It's used by OLPC to determine whether or not the BIOS contains VSA2, but since other BIOSes are coming out that don't use the VSA (ie, tinybios), it might end up being useful for others. Signed-off-by: Andres Salomon <dilinger@debian.org> Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Jordan Crouse <jordan.crouse@amd.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | x86: geode: MSR cleanupAndres Salomon2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This cleans up a few MSR-using drivers in the following manner: - Ensures MSRs are all defined in asm/geode.h, rather than in misc places - Makes the naming consistent; cs553[56] ones begin with MSR_, GX-specific ones start with MSR_GX_, and LX-specific ones start with MSR_LX_. Also, make the names match the data sheet. - Use MSR names rather than numbers in source code - Document the fact that the LX's MSR_PADSEL has the wrong value in the data sheet. That's, uh, good to note. Signed-off-by: Andres Salomon <dilinger@debian.org> Acked-by: Jordan Crouse <jordan.crouse@amd.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | fb: add support for foreign endiannessAnton Vorontsov2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for the framebuffers with non-native endianness. This is done via FBINFO_FOREIGN_ENDIAN flag that will be used by the drivers. Depending on the host endianness this flag will be overwritten by FBINFO_BE_MATH internal flag, or cleared. Tested to work on MPC8360E-RDK (BE) + Fujitsu MINT framebuffer (LE). Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: <Valdis.Kletnieks@vt.edu> Cc: Clemens Koller <clemens.koller@anagramm.de> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | gpiochip_reserve()Anton Vorontsov2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a new function gpiochip_reserve() to reserve ranges of gpios that platform code has pre-allocated. That is, this marks gpio numbers which will be claimed by drivers that haven't yet been loaded, and thus are not available for dynamic gpio number allocation. [akpm@linux-foundation.org: remove unneeded __must_check] [david-b@pacbell.net: don't export gpiochip_reserve (section fix)] Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | gpio: define gpio_is_valid()Guennadi Liakhovetski2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Introduce a gpio_is_valid() predicate; use it in gpiolib. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de> [ use inline function; follow the gpio_* naming convention; work without gpiolib; all programming interfaces need docs ] Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | gpiolib: better rmmod infrastructureGuennadi Liakhovetski2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As long as one or more GPIOs on a gpio chip are used its driver should not be unloaded. The existing mechanism (gpiochip_remove failure) doesn't address that, since rmmod can no longer be made to fail by having the cleanup code report errors. Module usecounts are the solution. Assuming standard "initialize struct to zero" policies, this change won't affect SOC platform drivers. However, drivers for external chips (on I2C and SPI busses) should be updated if they can be built as modules. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de> [ gpio_ensure_requested() needs to update module usecounts too ] Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | i2o: remove static inline forward declarationsIlpo Järvinen2008-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Nothing in between of them and the later declaration with body needs them. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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