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* Merge branch 'for-linus' of ↵Linus Torvalds2008-08-12
|\ | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: IB/ehca: Discard double CQE for one WR IB/ehca: Check idr_find() return value IB/ehca: Repoll CQ on invalid opcode IB/ehca: Rename goto label in ehca_poll_cq_one() IB/ehca: Update qp_state on cached modify_qp() IPoIB/cm: Use vmalloc() to allocate rx_rings
| * Merge branches 'ehca' and 'ipoib' into for-linusRoland Dreier2008-08-12
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| | * IPoIB/cm: Use vmalloc() to allocate rx_ringsDavid J. Wilder2008-08-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are users that are running UDP applications that require a large receive queue size in order to get good performance. To prevent allocation failures for rx_rings when using non-SRQ mode and large recv_queue_size (1K or larger), use vmalloc() instead of kcalloc() to alocate rx_rings. Signed-off-by: David Wilder <dwilder@us.ibm.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * | IB/ehca: Discard double CQE for one WRAlexander Schmidt2008-08-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Under rare circumstances, the ehca hardware might erroneously generate two CQEs for the same WQE, which is not compliant to the IB spec and will cause unpredictable errors like memory being freed twice. To avoid this problem, the driver needs to detect the second CQE and discard it. For this purpose, introduce an array holding as many elements as the SQ of the QP, called sq_map. Each sq_map entry stores a "reported" flag for one WQE in the SQ. When a work request is posted to the SQ, the respective "reported" flag is set to zero. After the arrival of a CQE, the flag is set to 1, which allows to detect the occurence of a second CQE. The mapping between WQE / CQE and the corresponding sq_map element is implemented by replacing the lowest 16 Bits of the wr_id with the index in the queue map. The original 16 Bits are stored in the sq_map entry and are restored when the CQE is passed to the application. Signed-off-by: Alexander Schmidt <alexs@linux.vnet.ibm.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * | IB/ehca: Check idr_find() return valueAlexander Schmidt2008-08-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The idr_find() function may fail when trying to get the QP that is associated with a CQE, e.g. when a QP has been destroyed between the generation of a CQE and the poll request for it. In consequence, the return value of idr_find() must be checked and the CQE must be discarded when the QP cannot be found. Signed-off-by: Alexander Schmidt <alexs@linux.vnet.ibm.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * | IB/ehca: Repoll CQ on invalid opcodeAlexander Schmidt2008-08-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When the ehca driver detects an invalid opcode in a CQE, it currently passes the CQE to the application and returns with success. This patch changes the CQE handling to discard CQEs with invalid opcodes and to continue reading the next CQE from the CQ. Signed-off-by: Alexander Schmidt <alexs@linux.vnet.ibm.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * | IB/ehca: Rename goto label in ehca_poll_cq_one()Alexander Schmidt2008-08-12
| | | | | | | | | | | | | | | | | | | | | | | | Rename the "poll_cq_one_read_cqe" goto label to what it actually does, namely "repoll". Signed-off-by: Alexander Schmidt <alexs@linux.vnet.ibm.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * | IB/ehca: Update qp_state on cached modify_qp()Alexander Schmidt2008-08-12
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since the introduction of the port auto-detect mode for ehca, calls to modify_qp() may be cached in the device driver when the ports are not activated yet. When a modify_qp() call is cached, the qp state remains untouched until the port is activated, which will leave the qp in the reset state. In the reset state, however, it is not allowed to post SQ WQEs, which confuses applications like ib_mad. The solution for this problem is to immediately set the qp state as requested by modify_qp(), even when the call is cached. Signed-off-by: Alexander Schmidt <alexs@linux.vnet.ibm.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* | firmware/memmap: cleanupBernhard Walle2008-08-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Various cleanup the drivers/firmware/memmap (after review by AKPM): - fix kdoc to conform to the standard - move kdoc from header to implementation files - remove superfluous WARN_ON() after kmalloc() - WARN_ON(x); if (!x) -> if(!WARN_ON(x)) - improve some comments Signed-off-by: Bernhard Walle <bwalle@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | ALi M7101 PMU also available on Sun Netra's tooAlexander Clouter2008-08-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | My Sun Netra T1 AC200 has one of these... bit harsh not letting me use it and all :) ========== alex@woodchuck:~$ lspci -nn 00:01.0 PCI bridge [0604]: Sun Microsystems Computer Corp. Simba Advanced PCI Bridge [108e:5000] (rev 13) 00:01.1 PCI bridge [0604]: Sun Microsystems Computer Corp. Simba Advanced PCI Bridge [108e:5000] (rev 13) 01:03.0 Non-VGA unclassified device [0000]: ALi Corporation M7101 Power Management Controller [PMU] [10b9:7101] 01:05.1 Ethernet controller [0200]: Sun Microsystems Computer Corp. RIO GEM [108e:1101] (rev 01) 01:05.3 USB Controller [0c03]: Sun Microsystems Computer Corp. RIO USB [108e:1103] (rev 01) 01:07.0 ISA bridge [0601]: ALi Corporation M1533/M1535 PCI to ISA Bridge [Aladdin IV/V/V+] [10b9:1533] 01:0c.0 Bridge [0680]: Sun Microsystems Computer Corp. RIO EBUS [108e:1100] (rev 01) 01:0c.1 Ethernet controller [0200]: Sun Microsystems Computer Corp. RIO GEM [108e:1101] (rev 01) 01:0c.3 USB Controller [0c03]: Sun Microsystems Computer Corp. RIO USB [108e:1103] (rev 01) 01:0d.0 IDE interface [0101]: ALi Corporation M5229 IDE [10b9:5229] (rev c3) 02:08.0 SCSI storage controller [0100]: LSI Logic / Symbios Logic 53C896/897 [1000:000b] (rev 07) 02:08.1 SCSI storage controller [0100]: LSI Logic / Symbios Logic 53C896/897 [1000:000b] (rev 07) ========== Signed-off-by: Alexander Clouter <alex@digriz.org.uk> Cc: Wim Van Sebroeck <wim@iguana.be> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | drivers/char/rtc.c: removed duplicated includeHuang Weiyi2008-08-12
| | | | | | | | | | | | Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | fbcon: prevent cursor disappearance after switching to 512 character fontKrzysztof Helt2008-08-12
| | | | | | | | | | | | | | | | | | | | | | | | | | Adjust and honor the vc_scrl_erase_char for 256 and 512 character fonts. It fixes the issue with disappearing cursor during scrolling (http://bugzilla.kernel.org/show_bug.cgi?id=11258). The issue was reported and tracked by Peter Hanzel. Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Reported-by: Peter Hanzel <hanzelpeter@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | atmel_lcdfb: add board parameter specify framebuffer memory sizeHaavard Skinnemoen2008-08-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Specify how much physically continuous, DMA capable memory will be allocated at driver initialization time. This allow to create framebuffer device with larger virtual resolution. Combine with y-panning this can be used to implement double buffering acceleration method. Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl> Acked-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com> Acked-by: Krzysztof Helt <krzysztof.h1@wp.pl> Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | atmel_lcdfb: set ypanstep to 1 and enable y-panning on AT91Haavard Skinnemoen2008-08-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Panning in the y-direction can be done by simply changing the DMA base address. This code is already in place, but FBIOPAN_DISPLAY will currently fail because ypanstep is 0. Set ypanstep to 1 to indicate that we do support y-panning and also set the necessary acceleration flags on AT91 (AVR32 already have them.) Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Acked-by: Krzysztof Helt <krzysztof.h1@wp.pl> Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | matrox maven: convert to a new-style i2c driverJean Delvare2008-08-12
| | | | | | | | | | | | | | | | | | | | The legacy i2c model is going away soon, so switch to the new model. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Krzysztof Helt <krzysztof.h1@wp.pl> Cc: Petr Vandrovec <VANDROVE@vc.cvut.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | matroxfb: i2c structure templates clean-upJean Delvare2008-08-12
| | | | | | | | | | | | | | | | | | | | | | | | Clean up the use of structure templates in i2c-matroxfb. In this case it's more efficient to initialize the few fields we need individually. This makes i2c-matroxfb.ko 16% smaller on my system. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Krzysztof Helt <krzysztof.h1@wp.pl> Cc: Petr Vandrovec <VANDROVE@vc.cvut.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | matrox maven: fix a broken error pathJean Delvare2008-08-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I broke an error path with d03c21ec0be7787ff6b75dcf56c0e96209ccbfbd, sorry about that. The machine will crash if the i2c_attach_client() or maven_init_client() calls fail, although nobody has yet reported this happening. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Krzysztof Helt <krzysztof.h1@wp.pl> Cc: Petr Vandrovec <VANDROVE@vc.cvut.cz> Cc: <stable@kernel.org> [2.6.25.x, 2.6.26.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | GRU: fix preprocessor symbol for sparseRandy Dunlap2008-08-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix preprocessor symbol so that sparse sees it and does not generate errors: drivers/misc/sgi-gru/grutables.h:286:2: error: "Unsupported architecture" drivers/misc/sgi-gru/grutables.h:286:2: error: "Unsupported architecture" drivers/misc/sgi-gru/grutables.h:286:2: error: "Unsupported architecture" drivers/misc/sgi-gru/grutables.h:286:2: error: "Unsupported architecture" drivers/misc/sgi-gru/grutlbpurge.c:185:11: error: undefined identifier 'GRUREGION' drivers/misc/sgi-gru/grutables.h:286:2: error: "Unsupported architecture" drivers/misc/sgi-gru/grutables.h:286:2: error: "Unsupported architecture" Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Jack Steiner <steiner@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | radeonfb: fix accel engine hangsDavid Miller2008-08-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some chips appear to have the 2D engine hang during screen redraw, typically in a sequence of copyarea operations. This appear to be solved by adding a flush of the engine destination pixel cache and waiting for the engine to be idle before issuing the accel operation. The performance impact seems to be fairly small. Here is a trace on an RV370 (PCI device ID 0x5b64), it records the RBBM_STATUS register, then the source x/y, destination x/y, and width/height used for the copy: ---------------------------------------- radeonfb_prim_copyarea: STATUS[00000140] src[210:70] dst[210:60] wh[a0:10] radeonfb_prim_copyarea: STATUS[00000140] src[2b8:70] dst[2b8:60] wh[88:10] radeonfb_prim_copyarea: STATUS[00000140] src[348:70] dst[348:60] wh[40:10] radeonfb_prim_copyarea: STATUS[80020140] src[390:70] dst[390:60] wh[88:10] radeonfb_prim_copyarea: STATUS[8002613f] src[40:80] dst[40:70] wh[28:10] radeonfb_prim_copyarea: STATUS[80026139] src[a8:80] dst[a8:70] wh[38:10] radeonfb_prim_copyarea: STATUS[80026133] src[e8:80] dst[e8:70] wh[80:10] radeonfb_prim_copyarea: STATUS[8002612d] src[170:80] dst[170:70] wh[30:10] radeonfb_prim_copyarea: STATUS[80026127] src[1a8:80] dst[1a8:70] wh[8:10] radeonfb_prim_copyarea: STATUS[80026121] src[1b8:80] dst[1b8:70] wh[88:10] radeonfb_prim_copyarea: STATUS[8002611b] src[248:80] dst[248:70] wh[68:10] ---------------------------------------- When things are going fine the copies complete before the next ROP is even issued, but all of a sudden the 2D unit becomes active (bit 17 in RBBM_STATUS) and the FIFO retry (bit 13) and FIFO pipeline busy (bit 14) are set as well. The FIFO begins to backup until it becomes full. What happens next is the radeon_fifo_wait() times out, and we access the chip illegally leading to a bus error which usually wedges the box. None of this makes it to the console screen, of course :-) radeon_fifo_wait() should be modified to reset the accelerator when this timeout happens instead of programming the chip anyways. ---------------------------------------- radeonfb: FIFO Timeout ! ERROR(0): Cheetah error trap taken afsr[0010080005000000] afar[000007f900800e40] TL1(0) ERROR(0): TPC[595114] TNPC[595118] O7[459788] TSTATE[11009601] ERROR(0): TPC<radeonfb_copyarea+0xfc/0x248> ERROR(0): M_SYND(0), E_SYND(0), Privileged ERROR(0): Highest priority error (0000080000000000) "Bus error response from system bus" ERROR(0): D-cache idx[0] tag[0000000000000000] utag[0000000000000000] stag[0000000000000000] ERROR(0): D-cache data0[0000000000000000] data1[0000000000000000] data2[0000000000000000] data3[0000000000000000] ERROR(0): I-cache idx[0] tag[0000000000000000] utag[0000000000000000] stag[0000000000000000] u[0000000000000000] l[00\ ERROR(0): I-cache INSN0[0000000000000000] INSN1[0000000000000000] INSN2[0000000000000000] INSN3[0000000000000000] ERROR(0): I-cache INSN4[0000000000000000] INSN5[0000000000000000] INSN6[0000000000000000] INSN7[0000000000000000] ERROR(0): E-cache idx[800e40] tag[000000000e049f4c] ERROR(0): E-cache data0[fffff8127d300180] data1[00000000004b5384] data2[0000000000000000] data3[0000000000000000] Ker:xnel panic - not syncing: Irrecoverable deferred error trap. ---------------------------------------- Another quirk is that these copyarea calls will not happen until the first drivers/char/vt.c:redraw_screen() occurs. This will only happen if you 1) VC switch or 2) run "consolechars" or 3) unblank the screen. This seems to happen because until a redraw_screen() the screen scrolling method used by fbcon is not finalized yet. I've seen this with other fb drivers too. So if all you do is boot straight into X you will never see this bug on the relevant chips. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: <stable@kernel.org> [2.6.25.x, 2.6.26.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | isight_firmware: fix a leak and double kfree()Parag Warudkar2008-08-12
| | | | | | | | | | | | Signed-off-by: Parag Warudkar <parag.warudkar@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | cpuidle: make sysfs attributes sysdev class attributesRabin Vincent2008-08-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | These attributes are really sysdev class attributes. The incorrect definition leads to an oops because of recent changes which make sysdev attributes use a different prototype. Based on Andi's f718cd4add5aea9d379faff92f162571e356cc5f ("sched: make scheduler sysfs attributes sysdev class devices") Reported-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: Rabin Vincent <rabin@rab.in> Acked-by: Andi Kleen <ak@linux.intel.com> Cc: "Li, Shaohua" <shaohua.li@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | rtc-isl1208: fix double removal of a sysfs entryAlessandro Zummo2008-08-12
| | | | | | | | | | | | | | | | | | Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Cc: Herbert Valerio Riedel <hvr@gnu.org> Cc: Hartley Sweeten <hartleys@visionengravers.com> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | revert "rtc: cdev lock_kernel() pushdown"David Brownell2008-08-12
| | | | | | | | | | | | | | | | | | | | | | | | Revert commit 51a776fa7a7997e726d4a478eda0854c6f9143bd ("rtc: cdev lock_kernel() pushdown"). The RTC framework does not need BKL protection. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Alessandro Zummo <alessandro.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linusLinus Torvalds2008-08-12
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: fix spinlock recursion in hvc_console stop_machine: remove unused variable modules: extend initcall_debug functionality to the module loader export virtio_rng.h lguest: use get_user_pages_fast() instead of get_user_pages() mm: Make generic weak get_user_pages_fast and EXPORT_GPL it lguest: don't set MAC address for guest unless specified
| * | fix spinlock recursion in hvc_consoleChristian Borntraeger2008-08-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 611e097d7707741a336a0677d9d69bec40f29f3d Author: Christian Borntraeger <borntraeger@de.ibm.com> hvc_console: rework setup to replace irq functions with callbacks introduced a spinlock recursion problem. request_irq tries to call the handler if the IRQ is shared. The irq handler of hvc_console calls hvc_poll and hvc_kill which might take the hvc_struct spinlock. Therefore, we have to call request_irq outside the spinlock. We can move the notifier_add safely outside the spinlock as ->data must not be changed by the backend. Otherwise, tty_hangup would fail anyway. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| * | lguest: use get_user_pages_fast() instead of get_user_pages()Rusty Russell2008-08-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Using a simple page table thrashing program I measure a slight improvement. The program creates five processes. Each touches 1000 pages then schedules the next process. We repeat this 1000 times. As lguest only caches 4 cr3 values, this rebuilds a lot of shadow page tables requiring virt->phys mappings. Before: 5.93 seconds After: 5.40 seconds (Counts of slow vs fastpath in this usage are 6092 and 2852462 respectively.) And more importantly for lguest, the code is simpler. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* | | Merge branch 'agp-patches' of ↵Linus Torvalds2008-08-12
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/airlied/agp-2.6 * 'agp-patches' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/agp-2.6: agp: fix SIS 5591/5592 wrong PCI id intel/agp: rewrite GTT on resume agp: use dev_printk when possible amd64-agp: run fallback when no bridges found, not when driver registration fails intel_agp: official name for GM45 chipset
| * | | agp: fix SIS 5591/5592 wrong PCI idKrzysztof Helt2008-08-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The correct id is the id of the main host (5591) not the id of the PCI-to-PCI bridge AGP (0001). Output from "lspci -nv" shows that only the former has AGP capabilities flag set: 00:00.0 0600: 1039:5591 (rev 02) Flags: bus master, medium devsel, latency 64 Memory at ec000000 (32-bit, non-prefetchable) [size=32M] Capabilities: [c0] AGP version 1.0 00:02.0 0604: 1039:0001 (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=01, subordinate=01, sec-latency=0 I/O behind bridge: 0000c000-0000cfff Memory behind bridge: eb500000-eb5fffff Prefetchable memory behind bridge: eb300000-eb3fffff Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Dave Airlie <airlied@redhat.com>
| * | | intel/agp: rewrite GTT on resumeKeith Packard2008-08-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On my Intel chipset (965GM), the GTT is entirely erased across suspend/resume. This patch simply re-plays the current mapping at resume time to restore the table.=20 I noticed this once I started relying on persistent GTT mappings across VT switch in our GEM work -- the old X server and DRM code carefully unbind all memory from the GTT on VT switch, but GEM does not bother. I placed the list management and rewrite code in the generic layer on the assumption that it will be needed on other hardware, but I did not add the rewrite call to anything other than the Intel resume function. Keep a list of current GATT mappings. At resume time, rewrite them into the GATT. This is needed on Intel (at least) as the entire GATT is cleared across suspend/resume. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Keith Packard <keithp@keithp.com> Cc: Dave Jones <davej@codemonkey.org.uk> Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
| * | | agp: use dev_printk when possibleBjorn Helgaas2008-08-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Convert printks to use dev_printk(). Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
| * | | amd64-agp: run fallback when no bridges found, not when driver registration ↵Bjorn Helgaas2008-08-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | fails I think the intent was that if no bridges matched agp_amd64_pci_table[], we would fall back to checking for any bridge with the AGP capability. But in the current code, we execute the fallback path only when pci_register_driver() itself fails, which is unrelated to whether any matching devices were found. This patch counts the AGP bridges found in the probe() method and executes the fallback path when none is found. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
| * | | intel_agp: official name for GM45 chipsetZhenyu Wang2008-08-11
| |/ / | | | | | | | | | | | | | | | | | | Signed-off-by: Zhenyu Wang <zhenyu.z.wang@intel.com> Cc: Dave Airlie <airlied@linux.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
* / / make struct scsi_dh_devlist's staticAdrian Bunk2008-08-11
|/ / | | | | | | | | | | | | | | | | This patch makes several needlessly global struct scsi_dh_devlist's static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge branch 'for-linus' of git://git.o-hand.com/linux-mfdLinus Torvalds2008-08-11
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://git.o-hand.com/linux-mfd: mfd: tc6393 cleanup and update mfd: have TMIO drivers and subdevices depend on ARM mfd: TMIO MMC driver mfd: driver for the TMIO NAND controller mfd: t7l66 MMC platform data mfd: tc6387 MMC platform data mfd: Fix 7l66 and 6387 according to the new mfd-core API mfd: Fix tc6393 according to the new tmio.h mfd: driver for the TC6387XB TMIO controller. mfd: driver for the T7L66XB TMIO SoC mfd: TMIO MMC structures and accessors.
| * | mfd: tc6393 cleanup and updateIan Molton2008-08-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patchset cleans up the TC6393XB support. * Add provision for the MMC subdevice * Disable / enable clocks on suspend / resume * Remove fragments of badly merged code (eg. linux/fb include etc.) * Use a device specific clock name to break dependancy on ARM/PXA2XX * Drop unnecessary resource names * Switch to tmio_io* accessors Signed-off-by: Ian Molton <spyro@f2s.com> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
| * | mfd: have TMIO drivers and subdevices depend on ARMSamuel Ortiz2008-08-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | The TMIO chips are only found (and thus tested) on ARM machines. Moreover, we don't want the TMIO cells to be built if one of the TMIO driver is not selected (which indirectly make the TMIO cells drivers depend on ARM as well). Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
| * | mfd: TMIO MMC driverIan Molton2008-08-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for the MMC subdevice 'cell' commonly found in TMIO based MFDs. Signed-off-by: Ian Molton <spyro@f2s.com> Acked-by: Pierre Ossman <drzeus@drzeus.cx> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
| * | mfd: driver for the TMIO NAND controllerIan Molton2008-08-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for the NAND controller commonly found in TMIO based MFDs. Signed-off-by: Ian Molton <spyro@f2s.com> Acked-By: David Woodhouse <David.Woodhouse@intel.com> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
| * | mfd: t7l66 MMC platform dataIan Molton2008-08-10
| | | | | | | | | | | | | | | | | | The tmio MMC driver needs the cell to be passed as a platform data. Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
| * | mfd: tc6387 MMC platform dataIan Molton2008-08-10
| | | | | | | | | | | | | | | | | | We need to pass the cell as the platform data. Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
| * | mfd: Fix 7l66 and 6387 according to the new mfd-core APISamuel Ortiz2008-08-10
| | | | | | | | | | | | Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
| * | mfd: Fix tc6393 according to the new tmio.hSamuel Ortiz2008-08-10
| | | | | | | | | | | | Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
| * | mfd: driver for the TC6387XB TMIO controller.Ian Molton2008-08-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for the TC6387XB. Unlike other TMIO devices this one has only one subdevice and no interrupt mux, however using the MFD framework allows it to share the TMIO MMC driver. Signed-off-by: Ian Molton <spyro@f2s.com> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
| * | mfd: driver for the T7L66XB TMIO SoCIan Molton2008-08-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | This patchset provides support for the core functinality of the T7L66XB SoC from Toshiba. Supported in this patchset is the IRQ MUX, MMC controller and NAND flash controller. Signed-off-by: Ian Molton <spyro@f2s.com> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
* | | Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6Linus Torvalds2008-08-11
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6: hwmon: (lm75) Drop legacy i2c driver i2c: correct some size_t printk formats i2c: Check for address business before creating clients i2c: Let users select algorithm drivers manually again i2c: Fix NULL pointer dereference in i2c_new_probed_device i2c: Fix oops on bus multiplexer driver loading
| * | | hwmon: (lm75) Drop legacy i2c driverJean Delvare2008-08-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Drop the legacy lm75 driver, and add a detect callback to the new-style driver to achieve the same functionality. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: David Brownell <david-b@pacbell.net>
| * | | i2c: correct some size_t printk formatsDavid Brownell2008-08-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix various printk format strings where %zd was passed a size_t; those should be %zu instead. (Courtesy of a version of GCC which warns when these details are wrong.) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
| * | | i2c: Check for address business before creating clientsJean Delvare2008-08-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We check for address business in i2c_probe_address(), i2c_detect_address() and i2c_new_probed_device(), but this isn't sufficient. Drivers can call i2c_attach_client() and i2c_new_device() on any address, so we must check the address there as well. This fixes bug #11239: http://bugzilla.kernel.org/show_bug.cgi?id=11239 Signed-off-by: Jean Delvare <khali@linux-fr.org>
| * | | i2c: Let users select algorithm drivers manually againJean Delvare2008-08-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In kernel 2.6.26, the ability to select I2C algorithm drivers manually was removed, as all in-kernel drivers do that automatically. However there were some complaints that it was a problem for out-of-tree I2C bus drivers. In order to address these complaints, let's allow manual selection of these drivers again, but still hide them by default for better general user experience. This closes bug #11140: http://bugzilla.kernel.org/show_bug.cgi?id=11140 Signed-off-by: Jean Delvare <khali@linux-fr.org>
| * | | i2c: Fix NULL pointer dereference in i2c_new_probed_deviceHans Verkuil2008-08-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix a NULL pointer dereference that happened when calling i2c_new_probed_device on one of the addresses for which we use byte reads instead of quick write for detection purpose (that is: 0x30-0x37 and 0x50-0x5f). Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Jean Delvare <khali@linux-fr.org>
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