- 27 Mar, 2006 40 commits
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Alan Curry authored
A set of 3 small bugfixes, all of which are related to bogus return values of fb colormap-setting functions. First, fb_alloc_cmap returns -1 if memory allocation fails. This is a hard condition to reproduce since you'd have to be really low on memory, but from studying the contexts in which it is called, I think this function should be returning a negative errno, and the -1 will be seen as an EPERM. Switching it to -ENOMEM makes sense. Second, the store_cmap function which is called for writes to /sys/class/graphics/fb0/color_map returns 0 for success, but it should be returning the count of bytes written since its return value ends up in userspace as the result of the write() syscall. Third, radeonfb returns 1 instead of a negative errno when FBIOPUTCMAP is called with an oversized colormap. This is seen in userspace as a return value of 1 from the ioctl() syscall with errno left unchanged. A more useful return value would be -EINVAL. Signed-off-by:
Alan Curry <pacman@TheWorld.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Antonino A. Daplas authored
DDC reading via the Video BIOS may take several tens of seconds with some combination of display cards and monitors. Make this option configurable. It defaults to `y' to minimise disruption. Signed-off-by:
Antonino Daplas <adaplas@pol.net> Signed-off-by:
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Ralf Baechle authored
Add support for Alchemy Au1200 framebuffer driver Signed-off-by:
Ralf Baechle <ralf@linux-mips.org> Signed-off-by:
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Jean Delvare authored
A few cleanups which were done to almost all i2c drivers some times ago, but matroxfb_maven was forgotten: * Don't allocate two different structures at once. * Use kzalloc instead of kmalloc+memset. * Use strlcpy instead of strcpy. * Drop duplicate error message on client deregistration failure. Signed-off-by:
Jean Delvare <khali@linux-fr.org> Acked-by:
Petr Vandrovec <vandrove@vc.cvut.cz> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by:
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Arthur Othieno authored
insmod will tell us when the module failed to load. We do no further processing on the return from i2c_add_driver(), so just return what i2c_add_driver() did, instead of storing it. Add __init/__exit annotations while we're at it. Signed-off-by:
Arthur Othieno <apgo@patchbomb.org> Acked-by:
Petr Vandrovec <petr@vandrovec.name> Signed-off-by:
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David Vrabel authored
A framebuffer driver for the display controller in AMD Geode GX processors (Geode GX533, Geode GX500 etc.). Tested at 640x480, 800x600, 1024x768 and 1280x1024 at 8, 16, and 24 bpp with both CRT and TFT. No accelerated features currently implemented and compression remains disabled. This driver requires that the BIOS (or the SoftVG/Firmbase code in the BIOS) has created an appropriate virtual PCI header. Signed-off-by:
David Vrabel <dvrabel@arcom.com> Signed-off-by:
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Antonino A. Daplas authored
Add suspend and resume hooks to make software suspend more reliable. Resuming from standby should generally work. Resuming from mem and from disk requires that the GPU is disabled. Adding these to the suspend script... fbset -accel false -a /* suspend here */ fbset -accel true -a ... should generally work. In addition, resuming from mem requires that the video card has to be POSTed by the BIOS or some other utility. Signed-off-by:
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Antonino A. Daplas authored
The scrollback buffer of the VGA console is located in VGA RAM. This RAM is fixed in size and is very small. To make the scrollback buffer larger, it must be placed instead in System RAM. This patch adds this feature. The feature and the size of the buffer are made as a kernel config option. Besides consuming kernel memory, this feature will slow down the console by approximately 20%. Signed-off-by:
Jiri Slaby <jirislaby@gmail.com> Cc: Jindrich Makovicka <makovick@kmlinux.fjfi.cvut.cz> Cc: Martin Mares <mj@ucw.cz> Signed-off-by:
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Samuel Thibault authored
This corrects cursor resize on ega boards: registers are write-only, so we shouldn't even try to read them. And on ega, 31/30 produces a flat cursor. Using 31/31 is better: except with 32 pixels high fonts, it shouldn't show up. Signed-off-by:
Samuel Thibault <samuel.thibault@ens-lyon.org> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by:
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Bjorn Helgaas authored
Remove the assumption that pnp_register_card_driver() returns the number of devices claimed. And fix some __init/__devinit issues. Signed-off-by:
Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Adam Belay <ambx1@neo.rr.com> Cc: Jaroslav Kysela <perex@suse.cz> Acked-by:
Takashi Iwai <tiwai@suse.de> Signed-off-by:
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Bjorn Helgaas authored
Remove the assumption that pnp_register_card_driver() returns the number of devices claimed. Signed-off-by:
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Bjorn Helgaas authored
Remove the assumption that pnp_register_card_driver() returns the number of devices claimed. And fix some __init/__devinit issues. Signed-off-by:
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Bjorn Helgaas authored
Remove the assumption that pnp_register_card_driver() returns the number of devices claimed. And fix some __init/__devinit issues. Signed-off-by:
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Bjorn Helgaas authored
Remove the assumption that pnp_register_card_driver() returns the number of devices claimed. And fix some __init/__devinit issues. Signed-off-by:
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Bjorn Helgaas authored
Remove the assumption that pnp_register_card_driver() returns the number of devices claimed. And fix some __init/__devinit issues. Signed-off-by:
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Bjorn Helgaas authored
Remove the assumption that pnp_register_card_driver() returns the number of devices claimed. And fix some __init/__devinit issues. Signed-off-by:
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Bjorn Helgaas authored
Remove the assumption that pnp_register_card_driver() returns the number of devices claimed. Signed-off-by:
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Bjorn Helgaas authored
Remove the assumption that pnp_register_card_driver() returns the number of devices claimed. And fix some __init/__devinit issues. Signed-off-by:
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Bjorn Helgaas authored
Remove the assumption that pnp_register_card_driver() returns the number of devices claimed. Signed-off-by:
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Bjorn Helgaas authored
Remove the assumption that pnp_register_card_driver() returns the number of devices claimed. And fix a __init/__devinit issue. Signed-off-by:
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Bjorn Helgaas authored
Remove the assumption that pnp_register_card_driver() returns the number of devices claimed. Signed-off-by:
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Bjorn Helgaas authored
Remove the assumption that pnp_register_driver() returns the number of devices claimed. Returning the count is unreliable because devices may be hot-plugged in the future. This changes the convention to "zero for success, or a negative error value," which matches pci_register_driver(), acpi_bus_register_driver(), and platform_driver_register(). Signed-off-by:
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Bjorn Helgaas authored
Remove the assumption that pnp_register_driver() returns the number of devices claimed. Signed-off-by:
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Bjorn Helgaas authored
Remove the assumption that pnp_register_driver() returns the number of devices claimed. Signed-off-by:
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Bjorn Helgaas authored
Remove the assumption that pnp_register_driver() returns the number of devices claimed. Signed-off-by:
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Bjorn Helgaas authored
Remove the assumption that pnp_register_driver() returns the number of devices claimed. Signed-off-by:
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Bjorn Helgaas authored
This series of patches removes the assumption that pnp_register_driver() returns the number of devices claimed. Returning the count is unreliable because devices may be hot-plugged in the future. (Many devices don't support hot-plug, of course, but PNP in general does.) This changes the convention to "zero for success, or a negative error value," which matches pci_register_driver(), acpi_bus_register_driver(), and platform_driver_register(). If drivers need to know the number of devices, they can count calls to their .probe() methods. This patch: Remove the assumption that pnp_register_driver() returns the number of devices claimed. Signed-off-by:
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Bjorn Helgaas authored
Remove the assumption that pnp_register_driver() returns the number of devices claimed. parport_pc_init() does nothing with "count", so remove it. Then nobody uses the return value of parport_pc_find_ports(), so make it void. Finally, update pnp_register_driver() usage. Signed-off-by:
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Alessandro Zummo authored
Add a driver for the ST M48T86 / Dallas DS12887 RTC. This is a platform driver. The platform device must provide I/O routines to access the RTC. Signed-off-by:
Alessandro Zummo <a.zummo@towertech.it> Cc: Greg KH <greg@kroah.com> Signed-off-by:
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Richard Purdie authored
Add an RTC subsystem driver for the ARM SA1100/PXA2XX processor RTC. Signed-off-by:
Richard Purdie <rpurdie@rpsys.net> Signed-off-by:
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Alessandro Zummo authored
This patch adds a driver for the RTC embedded in the Cirrus Logic EP93XX family of processors. Signed-off-by:
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Alessandro Zummo authored
RTC class aware driver for the Ricoh RS5C372 chip used, among others, on the Synology DS101. Signed-off-by:
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Alessandro Zummo authored
An RTC class aware driver for the Philips PCF8563 RTC and Epson RTC8564 chips. This chip is used on the Iomega NAS100D. Signed-off-by:
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Alessandro Zummo authored
Driver for the Dallas/Maxim DS1672 chip, found on the Loft (http://www.giantshoulderinc.com). Signed-off-by:
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Alessandro Zummo authored
Interrupts can be generated by echo "alarm|tick|update" >/sys/class/rtc/rtcX/device/irq Signed-off-by:
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Alessandro Zummo authored
A port of the existing x1205 driver under the new RTC subsystem. It is actually under test within the NSLU2 project (http://www.nslu2-linux.org) and it is working quite well. It is the first driver under this new subsystem and should be used as a guide to port other drivers. Signed-off-by:
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Alessandro Zummo authored
Add the dev interface to the RTC subsystem. Each RTC will be available under /dev/rtcX . A symlink from /dev/rtc0 to /dev/rtc cab be obtained with the following udev rule: KERNEL=="rtc0", SYMLINK+="rtc" Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by:
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Alessandro Zummo authored
Add the proc interface to the RTC subsystem. The first RTC driver which registers with the class will be accessible by /proc/driver/rtc . This is required for compatibility with the standard RTC driver and to avoid breaking any user space application which may erroneusly rely on this. Signed-off-by:
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Alessandro Zummo authored
This patch adds the sysfs interface to the RTC subsystem. Each RTC client will have his own entry under /sys/classs/rtc/rtcN . Within this entry some attributes are exported by the subsystem, like date and time. Signed-off-by:
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Alessandro Zummo authored
This patch adds the I2C driver ids to i2c-id.h in preparation of the I2C direct probing method. This is kept separate so that it can be integrated to Signed-off-by:
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