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* w1/ds2482: Convert to a new-style driverJean Delvare2008-07-161-60/+44
| | | | | | | | The new-style ds2482 driver implements the optional detect() callback to cover the use cases of the legacy driver. I'm curious if anyone really needs this though, so it might be removed in the feature. Signed-off-by: Jean Delvare <khali@linux-fr.org>
* ds1wm: report bus reset errorAnton Vorontsov2008-03-051-9/+9
| | | | | | | | | | | | | | | The patch replaces dev_dbg() by dev_err(), so the user could actually see the error, instead of wondering why w1 doesn't work. The root cause of the bus reset error isn't yet debugged though, but this sometimes happens on iPaq H5555. And while I'm at it, some cosmetic cleanups also made (few lines were using spaces instead of tabs). Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com> Acked-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* ds1wm: should check for IS_ERR(clk) instead of NULLAnton Vorontsov2008-03-051-2/+3
| | | | | | | | | | | | | | On the error condition clk_get() returns ERR_PTR(..), so checking for NULL doesn't work. ds1wm module causes a kernel oops when ds1wm clock isn't registered. This patch converts NULL check to IS_ERR(), plus uses PTR_ERR() for the return code. Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com> Acked-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* DS1WM: decouple host IRQ and INTR active state settingsPhilipp Zabel2008-02-071-4/+5
| | | | | | | | | | | | | The DS1WM driver incorrectly infers the IAS bit (1-wire interrupt active high) from IRQ settings. There are devices that have IAS=0 but still need the IRQ to trigger on a rising edge. With this patch, machines with DS1WM that need IAS=1 have to set .active_high=1 in the ds1wm_platform_data. Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Acked-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Acked-by: Matt Reimer <mreimer@vpop.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* w1-gpio: add GPIO w1 bus master driverVille Syrjala2008-02-063-0/+135
| | | | | | | | | | | | Add a GPIO 1-wire bus master driver. The driver used the GPIO API to control the wire and the GPIO pin can be specified using platform data similar to i2c-gpio. The driver was tested with AT91SAM9260 + DS2401. Signed-off-by: Ville Syrjala <syrjala@sci.fi> Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru> 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>
* i2c: normal_i2c can be made const (remaining drivers)Jean Delvare2008-01-271-1/+1
| | | | Signed-off-by: Jean Delvare <khali@linux-fr.org>
* W1: fix memset size errorLi Zefan2007-11-151-1/+1
| | | | | | | | | The size argument passed to memset is wrong. Signed-off-by Li Zefan <lizf@cn.fujitsu.com> Acked-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Add missing newlines to some uses of dev_<level> messagesJoe Perches2007-10-181-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Found these while looking at printk uses. Add missing newlines to dev_<level> uses Add missing KERN_<level> prefixes to multiline dev_<level>s Fixed a wierd->weird spelling typo Added a newline to a printk Signed-off-by: Joe Perches <joe@perches.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Jens Axboe <jens.axboe@oracle.com> Cc: Mark M. Hoffman <mhoffman@lightlink.com> Cc: Roland Dreier <rolandd@cisco.com> Cc: Tilman Schmidt <tilman@imap.cc> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Jeff Garzik <jeff@garzik.org> Cc: Stephen Hemminger <shemminger@linux-foundation.org> Cc: Greg KH <greg@kroah.com> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Cc: James Smart <James.Smart@Emulex.Com> Cc: Andrew Vasquez <andrew.vasquez@qlogic.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Jaroslav Kysela <perex@suse.cz> Cc: Takashi Iwai <tiwai@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Clean up duplicate includes in drivers/w1/Jesper Juhl2007-10-171-1/+0
| | | | | | | | | | This patch cleans up duplicate includes in drivers/w1/ Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Acked-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* drivers/ misc __iomem annotationsAl Viro2007-07-261-1/+1
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* some kmalloc/memset ->kzalloc (tree wide)Yoann Padioleau2007-07-191-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Transform some calls to kmalloc/memset to a single kzalloc (or kcalloc). Here is a short excerpt of the semantic patch performing this transformation: @@ type T2; expression x; identifier f,fld; expression E; expression E1,E2; expression e1,e2,e3,y; statement S; @@ x = - kmalloc + kzalloc (E1,E2) ... when != \(x->fld=E;\|y=f(...,x,...);\|f(...,x,...);\|x=E;\|while(...) S\|for(e1;e2;e3) S\) - memset((T2)x,0,E1); @@ expression E1,E2,E3; @@ - kzalloc(E1 * E2,E3) + kcalloc(E1,E2,E3) [akpm@linux-foundation.org: get kcalloc args the right way around] Signed-off-by: Yoann Padioleau <padator@wanadoo.fr> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Acked-by: Russell King <rmk@arm.linux.org.uk> Cc: Bryan Wu <bryan.wu@analog.com> Acked-by: Jiri Slaby <jirislaby@gmail.com> Cc: Dave Airlie <airlied@linux.ie> Acked-by: Roland Dreier <rolandd@cisco.com> Cc: Jiri Kosina <jkosina@suse.cz> Acked-by: Dmitry Torokhov <dtor@mail.ru> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Mauro Carvalho Chehab <mchehab@infradead.org> Acked-by: Pierre Ossman <drzeus-list@drzeus.cx> Cc: Jeff Garzik <jeff@garzik.org> Cc: "David S. Miller" <davem@davemloft.net> Acked-by: Greg KH <greg@kroah.com> Cc: James Bottomley <James.Bottomley@steeleye.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>
* Use menuconfig objects: W1Jan Engelhardt2007-07-161-4/+3
| | | | | | | | | | Use menuconfigs instead of menus, so the whole menu can be disabled at once instead of going through all options. Signed-off-by: Jan Engelhardt <jengelh@gmx.de> Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Driver for the Maxim DS1WM, a 1-wire bus master ASIC coreakpm@linux-foundation.org2007-05-083-1/+477
| | | | | | | | | | Cc: Matt Reimer <mreimer@vpop.net> [akpm@linux-foundation.org: kconfig update] Signed-off-by: Matt Reimer <mreimer@vpop.net> Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* W1: ioremap balanced with iounmapAmol Lad2006-11-161-0/+2
| | | | | | | | | | | ioremap must be balanced with iounmap in error path. Please consider for 2.6.19. Signed-off-by: Amol Lad <amol@verismonetworks.com> Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] w1: fix idle check loop in ds2482Ben Gardner2006-07-131-1/+1
| | | | | | | | | | The idle check loop has a greater-than where it should have a less-than. This causes the ds2482 driver to check for the idle condition exactly once, which causes it to fail on faster machines. Signed-off-by: Ben Gardner <gardner.ben@gmail.com> Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] w1: Use mutexes instead of semaphores.Evgeniy Polyakov2006-06-222-17/+17
| | | | | | | | Use mutexes instead of semaphores. Patch tested on x86_64 and i386 with test bus master driver. Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] w1: Replace dscore and ds_w1_bridge with ds2490 driver.Evgeniy Polyakov2006-06-225-505/+303
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* fix typos "wich" -> "which"Uwe Zeisberger2006-03-241-1/+1
| | | | | Signed-off-by: Uwe Zeisberger <zeisberg@informatik.uni-freiburg.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
* [PATCH] fix W1_MASTER_DS9490_BRIDGE dependenciesAdrian Bunk2006-03-241-1/+1
| | | | | | | | W1_DS9490 was renamed to W1_MASTER_DS9490, but the entry in the dependencies of W1_MASTER_DS9490_BRIDGE was forgotten. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] W1: Add the DS2482 I2C-to-w1 bridge driver.Evgeniy Polyakov2006-03-243-0/+576
| | | | | | Signed-off-by: Ben Gardner <bgardner@wabtec.com> Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] W1: Move w1 bus master code into 'w1/masters' and move w1 slave code ↵Evgeniy Polyakov2006-03-246-0/+1431
into 'w1/slaves' Signed-off-by: Ben Gardner <bgardner@wabtec.com> Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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