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2007-05-04hilkbd: Kill compiler warning and fix comment dyslexiaGeert Uytterhoeven
hilkbd: Kill compiler warning and fix comment dyslexia Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-04m68k: reformat various m68k filesRoman Zippel
Reformat various m68k files, so they actually look like Linux sources. Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-04lockdep: Add missing disable/enable irq variantRoman Zippel
Add missing disable/enable irq variant Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-04m68k: Mac89x0 Ethernet netif updatesMatthias Urlichs
Macintosh CS89x0 Ethernet: Netif updates Addition of netif_stop_queue() before transmission by Michael Schmitz skb_copy_{from,to}_linear_data() conversion by Geert Uytterhoeven Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-04m68k: CROSS_COMPILE = m68k-linux-gnu-Geert Uytterhoeven
Recent cross-compilers are called m68k-linux-gnu-gcc instead of m68k-linux-gcc Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-04m68k: Atari fb revivalMichael Schmitz
Update the atari fb to 2.6 by Michael Schmitz, Reformatting and rewrite of bit plane functions by Roman Zippel, A few more fixes by Geert Uytterhoeven. Signed-off-by: Michael Schmitz <schmitz@debian.org> Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-04m68k: Atari keyboard and mouse support.Michael Schmitz
Atari keyboard and mouse support. (reformating and Kconfig fixes by Roman Zippel) Signed-off-by: Michael Schmitz <schmitz@debian.org> Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-04m68k: Atari SCSI driver compile fixesRoman Zippel
Atari SCSI driver compile fixes Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-04m68k: Reformat the Atari SCSI driverRoman Zippel
Reformat the Atari SCSI driver Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-04m68k: Atari SCSI revivalMichael Schmitz
SCSI should be working on a TT (but someone should really try!) but causes trouble on a Falcon (as in: it ate a filesystem of mine) at least when used concurrently with IDE. I have the notion it's because locking of the ST-DMA interrupt by IDE is broken in 2.6 (the IDE driver always complains about trying to release an already-released ST-DMA). Needs more work, but that's on the IDE or m68k interrupt side rather than SCSI. Signed-off-by: Michael Schmitz <schmitz@debian.org> Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-04Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6Linus Torvalds
* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6: (44 commits) i2c-s3c2410: Fix bug in releasing driver i2c-s3c2410: Fix I2C SDA to SCL setup time i2c: New i2c-tiny-usb bus driver i2c: Documentation update i2c: SPIN_LOCK_UNLOCKED cleanup i2c: Obsolete i2c-ixp2000, i2c-ixp4xx and scx200_i2c i2c: New Simtec I2C bus driver i2c: Bitbanging I2C bus driver using the GPIO API Use menuconfig objects - I2C i2c: Restore i2c_smbus_read_block_data i2c-pxa: Clean transaction stop i2c-algo-bit: Improve debugging i2c-algo-bit: Implement a 50/50 SCL duty cycle i2c-omap: Switch to static adapter numbering i2c: Blackfin Two Wire Interface driver i2c-algo-sgi: Comment and whitespace cleanups i2c: Make i2c_del_driver a void function i2c: Move i2c-isa-only exported symbol declarations i2c: Document i2c_new_device() i2c: Add i2c_new_probed_device() ... Fixed trivial conflict in Documentation/feature-removal-schedule.txt manually. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-04MAINTAINER change for Connect Tech IncStuart MacDonald
I am no longer with CTI. The Support Department will handle all inquiries regarding the WH. Signed-off-by: Stuart MacDonald <stuartm@connecttech.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-04Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreqLinus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq: [CPUFREQ] Report the number of processors in PowerNow-k8 correctly [CPUFREQ] do not declare undefined functions [CPUFREQ] cleanup kconfig options [CPUFREQ] Longhaul - Revert Longhaul ver. 2 [CPUFREQ] Remove deprecated /proc/acpi/processor/performance write support [CPUFREQ] Fix limited cpufreq when booted on battery Fix preemption warnings in speedstep-centrino.c [CPUFREQ] Longhaul - Correct PCI code [CPUFREQ] p4-clockmod: switch to rdmsr_on_cpu/wrmsr_on_cpu
2007-05-04Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/agpgartLinus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/davej/agpgart: [AGPGART] sworks-agp: Switch to PCI ref counting APIs [AGPGART] Nvidia AGP: Use refcount aware PCI interfaces [AGPGART] Fix sparse warning in sgi-agp.c [AGPGART] Intel-agp adjustments [AGPGART] Move [un]map_page_into_agp into asm/agp.h [AGPGART] Add missing calls to global_flush_tlb() to ali-agp [AGPGART] prevent probe collision of sis-agp and amd64_agp
2007-05-04[S390] add hardware capability support (ELF_HWCAP).Martin Schwidefsky
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-05-04[S390] tape: New read configuration data.Michael Holzheu
Instead of the deprecated read_conf_data(), implement a new function tape_3590_read_dev_chars(). Signed-off-by: Michael Holzheu <holzheu@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-05-04[S390] qeth: New read configuration data.Cornelia Huck
Instead of the deprecated read_conf_data(), implement a new function qeth_read_conf_data(). Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-05-04[S390] dasd: New read device characteristics and read configuration data.Cornelia Huck
Instead of the deprecated read_dev_chars() and read_conf_data_lpm(), implement dasd_generic_read_dev_chars() and dasd_eckd_read_conf_lpm(). These should even recover better from error than the original cio functions. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-05-04[S390] cio: Deprecate read_dev_chars() and read_conf_data{,_lpm}().Cornelia Huck
These helper functions are a leftover from 2.4 sync I/O and are a notorious source for bugs. They lead to device driver specific code creeping into cio, and some issues can't really be fixed at all. Device drivers can easily implement those functions themselves in a more robust manner, so let's get rid of them. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-05-04[S390] qdio: make qdio statistics SMP-capableUrsula Braun
Use atomic_t/atomic64_t to make qdio performance statistics smp safe. Remove temporarily calculation of "total time of inbound actions". Signed-off-by: Ursula Braun <braunu@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-05-04[S390] Export uaccess as non-gpl symbol.Martin Schwidefsky
Commit c1821c2e9711adc3cd298a16b7237c92a2cee78d introduced the uaccess structure that is used to select the correct set of user copy functions for the different execution modes (standard vs. noexec vs. z9 optimized user copy). The uaccess symbol is exported with EXPORT_SYMBOL_GPL. This breaks all non-gpl modules that use user copy. To make them work again change the export to EXPORT_SYMBOL. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-05-04[S390] aes-s390 key length.Jan Glauber
Register aes-s390 algorithms with the actual supported max keylen size Signed-off-by: Jan Glauber <jan.glauber@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-05-04[S390] get rid of kprobes notifier call chain.Christoph Hellwig
And here's a port of the powerpc patch to get rid of the notifier chain completely to s390. It's ontop of Martins patch as that one is in mainline already. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-05-01i2c-s3c2410: Fix bug in releasing driverBen Dooks
When compiled as a module, the i2c-s3c2410 driver does not free either the IRQ or the i2c adapter it attached to the system. As part of this fix, move to the usual kernel style of freeing items as part of the probe error path making the remove process easier. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-01i2c-s3c2410: Fix I2C SDA to SCL setup timeBen Dooks
Fix the setup time for SDA to SCL due to the way the S3C24XX I2C controller works. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-01i2c: New i2c-tiny-usb bus driverTill Harbaum
Add a driver for the i2c-tiny-usb interface. This is a simple do-it-yourself USB to I2C interface targeted at experimental and home use. See the i2c-tiny-usb homepage for hardware details: http://www.harbaum.org/till/i2c_tiny_usb Signed-off-by: Till Harbaum <till@harbaum.org> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-01i2c: Documentation updateJean Delvare
Make the documentation on how to write and port i2c drivers more in line with the current state of things: * i2c-isa is deprecated and soon gone, so stop advertising it. * Drop many sensors-specific references. Most of them were outdated anyway. * Update the example code to reflect the recent and not-so-recent API and coding style preference changes. * Simplify the example init and cleanup functions. This should make things less complex to understand for newcomers. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-01i2c: SPIN_LOCK_UNLOCKED cleanupMilind Arun Choudhary
SPIN_LOCK_UNLOCKED cleanup, use __SPIN_LOCK_UNLOCKED instead. Signed-off-by: Milind Arun Choudhary <milindchoudhary@gmail.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-01i2c: Obsolete i2c-ixp2000, i2c-ixp4xx and scx200_i2cJean Delvare
The new generic i2c-gpio driver should be used instead. The obsolete drivers will be removed in September 2007. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Deepak Saxena <dsaxena@plexity.net> Cc: Jordan Crouse <jordan.crouse@amd.com>
2007-05-01i2c: New Simtec I2C bus driverBen Dooks
Platform driver for the Simtec CPLD based simple I2C logic. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-01i2c: Bitbanging I2C bus driver using the GPIO APIHaavard Skinnemoen
This is a very simple bitbanging I2C bus driver utilizing the new arch-neutral GPIO API. Useful for chips that don't have a built-in I2C controller, additional I2C busses, or testing purposes. To use, include something similar to the following in the board-specific setup code: #include <linux/i2c-gpio.h> static struct i2c_gpio_platform_data i2c_gpio_data = { .sda_pin = GPIO_PIN_FOO, .scl_pin = GPIO_PIN_BAR, }; static struct platform_device i2c_gpio_device = { .name = "i2c-gpio", .id = 0, .dev = { .platform_data = &i2c_gpio_data, }, }; Register this platform_device, set up the I2C pins as GPIO if required and you're ready to go. This will use default values for udelay and timeout, and will work with GPIO hardware that does not support open drain mode, but allows sensing of the SDA and SCL lines even when they are being driven. Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-01Use menuconfig objects - I2CJan Engelhardt
Allow the whole I2C menu to be disabled at once without diving into the submenus for deselecting all options (should the user desire so). Signed-off-by: Jan Engelhardt <jengelh@gmx.de> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-01i2c: Restore i2c_smbus_read_block_dataJean Delvare
Add back the i2c_smbus_read_block_data helper function, it is needed by the upcoming lm93 hardware monitoring driver and possibly others. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-01i2c-pxa: Clean transaction stopJean Delvare
It was reported to me that the i2c-pxa driver was not able to process more that 50 transactions per second. Investigation revealed that the I2C unit was busy for 20 ms after every transaction. The reason seems to be that we forget to clear the STOP and ACKNACK bits at the end of the transaction. According to the PXA27x developer's manual, we shall do so. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Lennert Buytenhek <kernel@wantstofly.org> Cc: Nicolas Pitre <nico@cam.org>
2007-05-01i2c-algo-bit: Improve debuggingJean Delvare
Improve the debugging features of the i2c-algo-bit driver: * Make it possible to compile the driver without debugging support at all, making it much smaller. * Use dev_dbg() for debugging messages where possible, and dev_err() for error messages. * Remove redundant debugging messages. These changes allowed for minor code cleanups, which are included as well. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-01i2c-algo-bit: Implement a 50/50 SCL duty cycleJean Delvare
The original i2c-algo-bit implementation uses a 33/66 SCL duty cycle when bits are being written on the bus. While the I2C specification doesn't forbid it, this prevents us from driving the I2C bus to its max speed, limiting us to 66 kbps max on standard I2C busses. Implementing a 50/50 duty cycle instead lets us max out the bandwidth up to the theoretical max of 100 kbps on standard I2C busses. This is particularly important when large amounts of data need to be transfered over the bus, as is the case with some TV adapters when the firmware is being uploaded. In fact this change even allows, at least in theory, fast-mode I2C support at 125, 166 and 250 kbps. There's no way to reach the theoretical max of 400 kbps with this implementation. But I don't think we want to put efforts in that direction anyway: software-driven I2C is very CPU-intensive and bad for latency. Other timing changes: * Don't set SDA high explicitly on error, we're going to issue a stop condition before we leave anyway. * If an error occurs when sending the slave address, yield the CPU before retrying, and remove the additional delay after the new start condition. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-01i2c-omap: Switch to static adapter numberingDavid Brownell
Update the OMAP I2C driver to use i2c_add_numbered_adapter(), so that later patches can convert boards to using new-style drivers. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-01i2c: Blackfin Two Wire Interface driverBryan Wu
The i2c linux driver for blackfin architecture which supports blackfin on-chip TWI controller i2c operation. Signed-off-by: Bryan Wu <bryan.wu@analog.com> Reviewed-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-01i2c-algo-sgi: Comment and whitespace cleanupsLadislav Michl
Signed-off-by: Ladislav Michl <ladis@linux-mips.org> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-01i2c: Make i2c_del_driver a void functionJean Delvare
Make i2c_del_driver a void function, like all other driver removal functions. It always returned 0 even when errors occured, and nobody ever actually checked the return value anyway. And we cannot fail a module removal anyway. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-01i2c: Move i2c-isa-only exported symbol declarationsJean Delvare
Move the declaration of i2c-isa-only exported symbols to i2c-isa itself, that's the best way to ensure nobody will attempt to use them. Hopefully we'll get rid of the exports themselves soon anyway. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-01i2c: Document i2c_new_device()Jean Delvare
Document the new i2c_new_device(), i2c_new_probed_device() and i2c_unregister_device() functions. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-01i2c: Add i2c_new_probed_device()Jean Delvare
Add a new helper function to instantiate an i2c device. It is meant as a replacement for i2c_new_device() when you don't know for sure at which address your I2C/SMBus device lives. This happens frequently on TV adapters for example, you know there is a tuner chip on the bus, but depending on the exact board model and revision, it can live at different addresses. So, the new i2c_new_probed_device() function will probe the bus according to a list of addresses, and as soon as one of these addresses responds, it will call i2c_new_device() on that one address. This function will make it possible to port the old i2c drivers to the new model quickly. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-01i2c-algo-bit: Add i2c_bit_add_numbered_busJean Delvare
Add i2c_bit_add_numbered_bus(), which is equivalent to i2c_bit_add_bus except that it calls i2c_add_numbered_adapter() at the end instead of i2c_add_adapter(). Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-01i2c: i2c EXPORT_SYMBOL cleanupDavid Brownell
Make i2c-core.c obey Documentation/CodingStyle better by snugging the EXPORT_SYMBOL declarations next to the relevant definitions. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-01i2c: Add i2c_add_numbered_adapter()David Brownell
This adds a call, i2c_add_numbered_adapter(), registering an I2C adapter with a specific bus number and then creating I2C device nodes for any pre-declared devices on that bus. It builds on previous patches adding I2C probe() and remove() support, and that pre-declaration of devices. This completes the core support for "new style" I2C device drivers. Those follow the standard driver model for binding devices to drivers (using probe and remove methods) rather than a legacy model (where the driver tries to autoconfigure each bus, and registers devices itself). Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-01i2c: Add i2c_board_info and i2c_new_device()David Brownell
This provides partial support for new-style I2C driver binding. It builds on "struct i2c_board_info" declarations that identify I2C devices on a given board. This is needed on systems with I2C devices that can't be fully probed and/or autoconfigured, such as many embedded Linux configurations where the way a given I2C device is wired may affect how it must be used. There are two models for declaring such devices: * LATE -- using a public function i2c_new_device(). This lets modules declare I2C devices found *AFTER* a given I2C adapter becomes available. For example, a PCI card could create adapters giving access to utility chips on that card, and this would be used to associate those chips with those adapters. * EARLY -- from arch_initcall() level code, using a non-exported function i2c_register_board_info(). This copies the declarations *BEFORE* such an i2c_adapter becomes available, arranging that i2c_new_device() will be called later when i2c-core registers the relevant i2c_adapter. For example, arch/.../.../board-*.c files would declare the I2C devices along with their platform data, and I2C devices would behave much like PNPACPI devices. (That is, both enumerate from board-specific tables.) To match the exported i2c_new_device(), the previously-private function i2c_unregister_device() is now exported. Pending later patches using these new APIs, this is effectively a NOP. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-01i2c: i2c probe() and remove() documentedDavid Brownell
Update Documentation/i2c to match previous patches updating probe() and remove() logic. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-01i2c: i2c stack can remove()David Brownell
More update for new style driver support: add a remove() method, and use it in the relevant code paths. Again, nothing will use this yet since there's nothing to create devices feeding this infrastructure. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-01i2c: i2c stack can probe()David Brownell
One of a series of I2C infrastructure updates to support enumeration using the standard Linux driver model. This patch updates probe() and associated hotplug/coldplug support, but not remove(). Nothing yet _uses_ it to create I2C devices, so those hotplug/coldplug mechanisms will be the only externally visible change. This patch will be an overall NOP since the I2C stack doesn't yet create clients/devices except as part of binding them to legacy drivers. Some code is moved earlier in the source code, helping group more of the per-device infrastructure in one place and simplifying handling per-device attributes. Terminology being adopted: "legacy drivers" create devices (i2c_client) themselves, while "new style" ones follow the driver model (the i2c_client is handed to the probe routine). It's an either/or thing; the two models don't mix, and drivers that try mixing them won't even be registered. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
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