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2007-02-16USB: at91_udc, shrink runtime footprintDavid Brownell
This is a runtime codespace shrink: in most cases, platform devices should put probe() should in the init section, and remove() in the exit section. And I have no idea why the module init/exit routines were mismarked. It also moves one function table into read-only data. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16usbnet: add missing Kconfig for KC2190 cablesDavid Brownell
Hmm, I noticed that support for one of the USB host-to-host cables never got fully merged ... Kconfig wouldn't show it! Fixed. Also, changed the CDC Subset default to 'y' so that more of these cables will work out-of-the-box. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16usbnet: init fault (oops) cleanup, whitespace fixesDavid Brownell
This cleans up some error handling paths in usbnet device probing; one of them could cause oopsing, e.g. with some RNDIS devices. It also removes some extraneous whitespace. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16usbnet: recognize SiteCom CN-124David Brownell
Add Sitecom CN-124 device IDs to ALI M5632 usb host-to-host cable; device IDs from Francois Barre <francois.barre@gmail.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16usb: Remove Airprime device from option.cKevin Lloyd
from: Kevin Lloyd <linux@sierrawireless.com> This patch removes the Airprime 5220 device (branded as Audiovox) from the option.c driver. This device is already supported by the sierra.c driver. This was based off of the option.c driver found in kernel 2.6.20-git11. Signed-off-by: Kevin Lloyd <linux@sierrawireless.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16USB: change __init to __devinit for isp116x_probePrarit Bhargava
Change __init to __devinit for isp116x_probe. Resolves MODPOST warning: WARNING: drivers/usb/host/isp116x-hcd.o - Section mismatch: reference to .init.text:isp116x_probe from .data.rel.local between 'isp116x_driver' (at offset 0x0) and 'isp116x_hc_driver' Signed-off-by: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16USB: ps3: don't call ps3_system_bus_driver_register on other platformsIshizaki Kou
ps3_system_bus_driver_register is PS3 platform specific function. On other platforms, it triggers WARN_ON in kref_get. Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16USB: hid-core.c: Removes GTCO CalComp Interwrite IPanel PIDs from blacklistJeremy Roberson
Removes our GTCO CalComp Interwrite IPanels from the hid-core.c blacklist because the HID Driver properly handles them. Signed-off-by: Jeremy A. Roberson <jroberson@gtcocalcomp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16USB: kernel-doc fixesRandy Dunlap
Fix kernel-doc warnings and in USB core. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16USB: quirky device for cdc-acmOliver Neukum
here's a quirklist entry reported by Stephen Murphy. Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16USB: cdc-acm: fix incorrect throtteling, make set_control optionalOliver Neukum
this is Joris' fixes reshuffelled and features renamed as David requested. - acm_set_control is not mandatory, honour that - throtteling is reset upon open - throtteling is read consistently when processing input data Signed-off-by: Joris van Rantwijk <jorispubl@xs4all.nl> Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16USB: unconfigure devices which have config 0Alan Stern
Some USB devices do have a configuration 0, in contravention of the USB spec. Normally 0 is supposed to indicate that a device is unconfigured. While we can't change what the device is doing, we can change usbcore. This patch (as852) allows usb_set_configuration() to accept a config value of -1 as indicating that the device should be unconfigured. The request actually sent to the device will still contain 0 as the value. But even if the device does have a configuration 0, dev->actconfig will be set to NULL and dev->state will be set to USB_STATE_ADDRESS. Without some sort of special-case handling like this, there is no way to unconfigure these non-compliant devices. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16USB: fix g_serial small errorBryan O'Donoghue
A SET_LINE_CODING control request should return a zero length packet as an ACK to the host, during the status phase of a USB transaction. The return value of gs_setup_class() is treated as the number of bytes to write in the status phase of the control request, by gs_setup(). For this case, the value returned by gs_setup_class should be zero for SET_LINE_CODING but, right now, appears to be sizeof(struct usb_cdc_line_coding). However, if after doing the memcpy of the line coding descriptor we set the variable "ret" to be zero, we should return the appropiate ZLP to the host as an ACK in the status phase of the control request. I've tested this out using Linux as both host and slave and confirmed that the following small change fixes the spurious return of sizeof(struct usb_cdc_line_coding)/wLength bytes in the status phase of a USB_CDC_REQ_SET_LINE_CODING request. It's not a huge bug but, it is worth fixing. Signed-off-by: Bryan O'Donoghue <bodonoghue@codehermit.ie> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16USB Storage: US_FL_IGNORE_RESIDUE needed for Aiptek MP3 PlayerDylan Taft
Device will not work as a mass storage device without US_FL_IGNORE_RESIDUE. I bought this mp3 player that takes SD cards here http://www.aiptek.com/Merchant2/merchant.mvc?Screen=PROD&Product_Code=AX4&Category_Code=MP3&Store_Code=AS I can provide the errors in dmesg, if necessary, but this flag was determined as necessary by doing a quick google on the errors that were shown in dmesg. Signed-off-by: Dylan Taft <d13f00l@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16USB: Fix misspelled "USBNET_MII" kernel config option.Robert P. J. Day
Fix the misspelling of "USBNET_MII" to "USB_USBNET_MII". Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16USB: input: HID: add CIDC USB device to HID blacklistZheng XiaoJun
Add CIDC USB device to HID blacklist since it is actually a USB token and has its own driver. Signed-off-by: Zheng XiaoJun <zhengxiaojun@hsic.com.cn> Cc: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16USB: USB_RTL8150 must select MIIAdrian Bunk
USB_RTL8150 must select MII to avoid link errors. Stolen from a patch by Randy Dunlap. Signed-off-by: Adrian Bunk <bunk@stusta.de> Cc: "Randy.Dunlap" <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16USB Storage: indistinguishable devices with broken and unbroken firmwareOliver Neukum
there's a USB mass storage device which exists in two version. One reports the correct size and the other does not. Apart from that they are identical and cannot be told apart. Here's a heuristic based on the empirical finding that drives have even sizes. Signed-off-by: Oliver Neukum <oneukum@suse.de> Acked-by: Alan Stern <stern@rowland.harvard.edu> Acked-by: Matthew Dharm <mdharm-usb@one-eyed-alien.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16USB: fix autosuspend race in skeleton driverOliver Neukum
as the skeleton driver was made ready for autosuspend a race condition was introduced. The reference to get device must be gotten before the autosuspend counter is upped, as this operation may sleep, dropping BKL. Dropping BKL means that the pointer to the device may become invalid. Here's the fix. Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16USB: asix - Fix endian issues in asix_tx_fixup()David Hollis
The attached patch fixes endian issues in asix_tx_fixup() that prevented AX88772 and AX88178 devices from working on big-endian systems. With the attached patch, all three chips are reported to work on big endian. Signed-off-by: David Hollis <dhollis@davehollis.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16USB: fix concurrent buffer access in the hub driverAlan Stern
This patch (as849) fixes a bug in the USB hub driver. A single pre-allocated buffer is used for all port status reads, but nothing guarantees exclusive use of the buffer. A mutex is added to provide this guarantee. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16USB: Fix error cleanup path in airprimePete Zaitcev
Fix up the error processing path: in usb_submit_urb failed, we forgot to free buffers. Also, don't free buffers in read callback: less error prone, 21 LOC less, no need to comment so much. N.B. write path is ok to do kfree. Signed-off-by: Pete Zaitcev <zaitcev@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16EHCI: add debugging message to ehci_bus_suspendAlan Stern
This patch (as848) adds a useful little debugging message to let us know when ehci-hcd's bus_suspend method runs. The other HCDs have similar messages; now ehci-hcd doesn't need to feel left out. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16usbcore: small changes to hub driver's suspend methodAlan Stern
This patch (as847) makes some small changes to the hub driver's suspend method: For root hubs, the status URB should be unlinked and other activity stopped _before_ the bus_suspend method is called. The test for hdev->bus being NULL has been removed, since it can never succeed. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16USB: Fix apparent typo CONFIG_USB_CDCETHER.Robert P. J. Day
Replace the apparent typo CONFIG_USB_CDCETHER with CONFIG_USB_NET_CDCETHER. Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16USB: add flow control to usb-serial generic driver.Joris van Rantwijk
I added two fields to struct usb_serial_port to keep track of the throttle state. Other usb-serial drivers typically use private data for such things, but the generic driver can not really do that because some of its code is also used by other drivers (which may have their own private data needs). As it is, I am not sure that this patch is useful in all scenarios. It is certainly helpful for low-bandwidth devices that can hold their data in response to throttling. But for devices that pump data in real-time as fast as possible (webcam, A/D converter, etc), throttling may actually cause more data loss. From: Joris van Rantwijk <jorispubl@xs4all.nl> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16USB: unusual_devs update for Sony P990i phoneAlan Stern
This patch (as846) adds the IGNORE_RESIDUE flag to the unusual_devs entry for Sony-Ericsson's P990i phone. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Phil Dibowitz <phil@ipom.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16USB: Teac HD-35PU patch to unusual_devs.hThomas Bächler
Hi, one of my users has two USB hard drives that need the following patch, otherwise there are I/O errors similar to those here: http://bugme.osdl.org/show_bug.cgi?id=3223 Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16USB: PL2303: Willcom WS002IN Support.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16USB: fix needless failure under certain conditionsOliver Neukum
in devices.c we have a piece of code for dealing with losing in a race. If we indeed lose the race we don't care whether our own memory allocation worked. The check for that is so early that we return early even if we don't have to. Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16USB: In init_endpoint_class, use PTR_ERR to obtain an errno value, not IS_ERRJosh Triplett
init_endpoint_class calls class_create, and checks the result for an error with IS_ERR; however, if true, it then returns the result of IS_ERR (a boolean) rather than PTR_ERR (the actual errno). Signed-off-by: Josh Triplett <josh@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16USB: Driver to charge USB blackberry devicesGreg Kroah-Hartman
A simple driver to turn on the charging capability of a USB BlackBerry device when it is plugged into the machine. It does not bind to the device, so all userspace programs can still sync properly with it. Note, if CONFIG_USB_SUSPEND is enabled, it can play havoc with this device as the power to the port will be shut down. This device id will have to be added to the global blacklist table when it is created. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16EHCI: turn off remote wakeup during shutdownAlan Stern
This patch (as850b) disables remote wakeup (and everything else!) on all EHCI ports when the shutdown() method is called. If remote wakeup is left active then some systems will reboot instead of powering off. This fixes Bugzilla #7828. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-16Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/agpgartLinus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/davej/agpgart: [AGPGART] allow drm populated agp memory types cleanups [AGPGART] intel-agp: Use ARRAY_SIZE macro when appropriate [AGPGART] Add agp-type-to-mask-type method missing from some drivers. [AGPGART] Don't try to remap i810 registers on resume. [AGPGART] Allow drm-populated agp memory types [AGPGART] compat ioctl
2007-02-16Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreqLinus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq: [CPUFREQ] Longhaul - Redo Longhaul ver. 2 [CPUFREQ] EPS - Correct 2nd brand test [CPUFREQ] Longhaul - Separate frequency and voltage transition [CPUFREQ] Longhaul - Models of Nehemiah [CPUFREQ] Whitespace fixup [CPUFREQ] Longhaul - Simplier minmult [CPUFREQ] CPU_FREQ_TABLE shouldn't be a def_tristate [CPUFREQ] ondemand governor use new cpufreq rwsem locking in work callback [CPUFREQ] ondemand governor restructure the work callback [CPUFREQ] Rewrite lock in cpufreq to eliminate cpufreq/hotplug related issues [CPUFREQ] Remove hotplug cpu crap [CPUFREQ] Enhanced PowerSaver driver [CPUFREQ] Longhaul - Add VT8235 support [CPUFREQ] Longhaul - Fix guess_fsb function [CPUFREQ] Longhaul - Remove duplicate tables [CPUFREQ] Longhaul - Introduce Nehemiah C [CPUFREQ] fix cpuinfo_cur_freq for CPU_HW_PSTATE [CPUFREQ] Longhaul - Remove "ignore_latency" option
2007-02-16[PATCH] s3c2410fb: fix un-initialised dev fieldBen Dooks
The current driver is not setting the dev field in the private data structure, which can lead to an OOPS if the driver tries to report an error. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Cc: James Simmons <jsimmons@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-16[PATCH] time: x86_64: convert x86_64 to use GENERIC_TIMEjohn stultz
This patch converts x86_64 to use the GENERIC_TIME infrastructure and adds clocksource structures for both TSC and HPET (ACPI PM is shared w/ i386). [akpm@osdl.org: fix printk timestamps] [akpm@osdl.org: fix printk ckeanups] [akpm@osdl.org: hpet build fix] Signed-off-by: John Stultz <johnstul@us.ibm.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Andi Kleen <ak@muc.de> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-16[PATCH] Add SysRq-Q to print timer_list debug infoIngo Molnar
Add SysRq-Q to print pending timers and other timer info. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: john stultz <johnstul@us.ibm.com> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-16[PATCH] clockevents: i386 driversThomas Gleixner
Add clockevent drivers for i386: lapic (local) and PIT/HPET (global). Update the timer IRQ to call into the PIT/HPET driver's event handler and the lapic-timer IRQ to call into the lapic clockevent driver. The assignement of timer functionality is delegated to the core framework code and replaces the compile and runtime evalution in do_timer_interrupt_hook() Use the clockevents broadcast support and implement the lapic_broadcast function for ACPI. No changes to existing functionality. [ kdump fix from Vivek Goyal <vgoyal@in.ibm.com> ] [ fixes based on review feedback from Arjan van de Ven <arjan@infradead.org> ] Cleanups-from: Adrian Bunk <bunk@stusta.de> Build-fixes-from: Andrew Morton <akpm@osdl.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: john stultz <johnstul@us.ibm.com> Cc: Roman Zippel <zippel@linux-m68k.org> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-16[PATCH] Allow early access to the power management timerThomas Gleixner
Allow early access to the power management timer by exposing the verified read function and providing a helper function which checks the pmtmr_ioport variable and returns either the pm timer readout or 0 in case the pm timer is not available. Create a new header file and replace also the ifdef'ed extern definition in arch/i386/kernel/acpi/boot.c This is a preperatory patch for the rework of the local apic timer calibration. No functional changes. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: john stultz <johnstul@us.ibm.com> Cc: Roman Zippel <zippel@linux-m68k.org> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-16[PATCH] ACPI keep track of timer broadcastingThomas Gleixner
This is a preperatory patch for highres/dyntick: - replace the big #ifdef ARCH_APICTIMER_STOPS_ON_C3 hackery by functions - remove the double switch in the power verify function (in the worst case we switched ipi to apic and 20usec later apic to ipi) - keep track of the the state which stops local APIC timer Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: Len Brown <len.brown@intel.com> Cc: <linux-acpi@vger.kernel.org> Cc: Andi Kleen <ak@suse.de> Cc: john stultz <johnstul@us.ibm.com> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-16[PATCH] ACPI: fix missing include for UPThomas Gleixner
apic.h does not get included on UP compiles. That way the APICTIMER_STOPS_ON_C3 is not there and UP boxen have no support for timer broadcasting. This was never noticed, because the lapic timer is only used for profiling on UP. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: Roman Zippel <zippel@linux-m68k.org> Cc: john stultz <johnstul@us.ibm.com> Cc: Len Brown <len.brown@intel.com> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-16[PATCH] hrtimers: namespace and enum cleanupThomas Gleixner
- hrtimers did not use the hrtimer_restart enum and relied on the implict int representation. Fix the prototypes and the functions using the enums. - Use seperate name spaces for the enumerations - Convert hrtimer_restart macro to inline function - Add comments No functional changes. [akpm@osdl.org: fix input driver] Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: john stultz <johnstul@us.ibm.com> Cc: Roman Zippel <zippel@linux-m68k.org> Cc: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-16[PATCH] clocksource: replace is_continuous by a flag fieldThomas Gleixner
Using a flag filed allows to encode more than one information into a variable. Preparatory patch for the generic clocksource verification. [mingo@elte.hu: convert vmitime.c to the new clocksource flag] Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: john stultz <johnstul@us.ibm.com> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-16[PATCH] correct CONFIG_GIGASET_M101 Makefile entryAdrian Bunk
Advanced Mathematics, lesson 1: 101 != 105 ;-) Signed-off-by: Adrian Bunk <bunk@stusta.de> Acked-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-15sata_vsc: use default cache line size if non-zeroNate Dailey
This modifies drivers/ata/sata_vsc.c to only set the cache line size to 0x80 if the default value is zero. Apparently zero isn't allowed due to a bug in the chip, but I've found performance is much better with the (non-zero) default instead of 0x80. [note1: "default" means BIOS-programmed value, in this context -jgarzik] [note2: superfluous braces were removed from the patch -jg] Signed-off-by: Nate Dailey <nate.dailey@stratus.com> Signed-off-by: Jeremy Higdon <jeremy@sgi.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-15sata_nv: handle SError status indicationRobert Hancock
ADMA-capable controllers provide a bit in the status register that appears to indicate that the controller detected an SError condition. Update sata_nv to detect this and trigger error handling in order to handle the fault. Signed-off-by: Robert Hancock <hancockr@shaw.ca> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-15add delay around sl82c105_reset_engine callsOlaf Hering
The hald media changed polling does really confuse things. Noone knows why the delays are needed, but they give us access to the CD. An udelay(50) will give reliable access to the drive, but there is still one (or more) EH reset. The drive works without EH resets with udelay(100). Signed-off-by: Olaf Hering <olaf@aepfle.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-15libata: clear TF before IDENTIFYingTejun Heo
Some devices chock if Feature is not clear when IDENTIFY is issued. Set ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE for IDENTIFY such that whole TF is cleared when reading ID data. Kudos to Art Haas for testing various futile patches over several months and Mark Lord for pointing out the fix. Signed-off-by: Tejun Heo <htejun@gmail.com> Cc: Art Haas <ahaas@airmail.net> Cc: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-15libata: Add a host flag to indicate lack of IORDY capabilityAlan Cox
This is the first preparation to doing the !IORDY cases properly. Further diffs will then add the needed logic to do it right. Signed-off-by: Alan Cox <alan@redhat.com> Cc: Jeff Garzik <jeff@garzik.org> Cc: Tejun Heo <htejun@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>