- 15 Dec, 2009 40 commits
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Samu Onkalo authored
Implement selftest feature as specified by chip manufacturer. Control: read selftest sysfs entry Response: "OK x y z" or "FAIL x y z" where x, y, and z are difference between selftest mode and normal mode. Test is passed when values are within acceptance limit values. Acceptance limits are provided via platform data. See chip spesifications for acceptance limits. If limits are not properly set, OK / FAIL decision is meaningless. However, userspace application can still make decision based on the numeric x, y, z values. Selftest is meant for HW diagnostic purposes. It is not meant to be called during normal use of the chip. It may cause false interrupt events. Selftest mode delays polling of the normal results but it doesn't cause wrong values. Chip must be in static state during selftest. Any acceration during the test causes most probably failure. Signed-off-by:
Samu Onkalo <samu.p.onkalo@nokia.com> Acked-by:
Éric Piel <Eric.Piel@tremplin-utc.net> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Samu Onkalo authored
Lis3 accelerometer sensors have quite long power on delay (up to 125 ms). This patch adds necessary delay to power on sequence for currently supported lis3 chips. Signed-off-by:
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Éric Piel authored
Originally the driver was only targeted to 12bits sensors. When support for 8bits sensors was added, some slight difference in the registers were overlooked. This should fix it, both for initialization, and for displaying the rate. Reported-by:
Kalhan Trisal <kalhan.trisal@intel.com> Reported-by:
Christoph Plattner <christoph.plattner@gmx.at> Tested-by:
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Éric Piel authored
Most of the documentation and comments were written when the driver was only supporting one type of chip, only via ACPI/HP. Update the info to the much clearer understanding that we have now. Signed-off-by:
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Samu Onkalo authored
polled input device itself was not free'd. Signed-off-by:
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Samu Onkalo authored
Send input_sync after each measurement round. This helps userspace to detect which reported values belongs to the same measurement. Signed-off-by:
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Daniel J Blueman authored
Add control of fan minimum turn-on output levels, decoupling it from the fan turn-off output level. Add control of rate of change of fan output level. These in turn allow lower turn-off rotor speed and smoother transitions for better thermal and acoustic control authority. Add support for constant fan speed and proportional-response operations modes. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by:
Daniel J Blueman <daniel.blueman@gmail.com> Cc: Jean Delvare <khali@linux-fr.org> Cc: David Hubbard <david.c.hubbard@gmail.com> Cc: Hans de Goede <hdegoede@redhat.com> Signed-off-by:
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Samu Onkalo authored
Add the possibility to remap axes via platform data. Function pointers for resource setup and release purposes Signed-off-by:
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Joakim Tjernlund authored
Move common crc body to new function crc32_body() cleaup and micro optimize crc32_body for speed and less size. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by:
Joakim Tjernlund <Joakim.Tjernlund@transmode.se> Signed-off-by:
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Magnus Damm authored
Improve the /proc/interrupts output so the irq number can be mapped to platform device on boards with multiple tmio_mmc instances. Signed-off-by:
Magnus Damm <damm@opensource.se> Cc: <linux-mmc@vger.kernel.org> Cc: Paul Mundt <lethal@linux-sh.org> Signed-off-by:
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Cliff Cai authored
Add SD host driver for Blackfin BF54x and BF51x. [akpm@linux-foundation.org: fix layout, c99 warning] Signed-off-by:
Cliff Cai <cliffcai.sh@gmail.com> Signed-off-by:
Bryan Wu <cooloney@kernel.org> Signed-off-by:
Mike Frysinger <vapier@gentoo.org> Cc: <linux-mmc@vger.kernel.org> Signed-off-by:
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Nicolas Ferre authored
This new revision of the IP adds some improvements to the MCI already present in several Atmel SOC. Some new registers are added and a particular way of handling DMA interaction lead to a new sequence in function call which is backward compatible: On MCI2, we must set the DMAEN bit to enable the DMA handshaking interface. This must happen before the data transfer command is sent. A new function is able to differentiate MCI2 code and is based on knowledge of processor id (cpu_is_xxx()). Signed-off-by:
Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by:
Haavard Skinnemoen <haavard.skinnemoen@atmel.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by:
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Nicolas Ferre authored
Allow the use of another DMA controller driver in atmel-mci sd/mmc driver. This adds a generic dma_slave pointer to the mci platform structure where we can store DMA controller information. In atmel-mci we use information provided by this structure to initialize the driver (with new helper functions that are architecture dependant). This also adds at32/avr32 chip modifications to cope with this new access method. Signed-off-by:
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Ben Hutchings authored
Some people run general-purpose distribution kernels on netbooks with a card that is physically non-removable or logically non-removable (e.g. used for /home) and cannot be cleanly unmounted during suspend. Add a module parameter to set whether cards are assumed removable or non-removable, with the default set by CONFIG_MMC_UNSAFE_RESUME. In general, it is not possible to tell whether a card present in an MMC slot after resume is the same that was there before suspend. So there are two possible behaviours, each of which will cause data loss in some cases: CONFIG_MMC_UNSAFE_RESUME=n (default): Cards are assumed to be removed during suspend. Any filesystem on them must be unmounted before suspend; otherwise, buffered writes will be lost. CONFIG_MMC_UNSAFE_RESUME=y: Cards are assumed to remain present during suspend. They must not be swapped during suspend; otherwise, buffered writes will be flushed to the wrong card. Currently the choice is made at compile time and this allows that to be overridden at module load time. Signed-off-by:
Ben Hutchings <ben@decadent.org.uk> Cc: Wouter van Heyst <larstiq@larstiq.dyndns.org> Cc: <linux-mmc@vger.kernel.org> Signed-off-by:
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Ben Dooks authored
Convert two missed s3c2410 specific gpio calls to gpiolib calls. Signed-off-by:
Ben Dooks <ben@simtec.co.uk> Signed-off-by:
Simtec Linux Team <linux@simtec.co.uk> Cc: <linux-mmc@vger.kernel.org> Signed-off-by:
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Nicolas Pitre authored
This is still in use especially to develop SDIO device drivers on laptop machines which are lacking SDIO slots. This adapter supports SDIO cards only due to lack of 136-bit response capability. Signed-off-by:
Nicolas Pitre <nico@marvell.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by:
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Ladislav Michl authored
Remove check for host->iclk being NULL from error path since we already know it is non-null and use return value from clk_get. Signed-off-by:
Ladislav Michl <ladis@linux-mips.org> Acked-by:
Tony Lindgren <tony@atomide.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by:
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Chaithrika U S authored
Add cpufreq support to MMC driver. The clock divider value has to be modified according to the controller input frequency. Signed-off-by:
Chaithrika U S <chaithrika@ti.com> Cc: Linus Walleij <linus.ml.walleij@gmail.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by:
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Sudhakar Rajashekhara authored
Currently DaVinci EDMA driver supports multiple EDMA channel controller instances. edma_alloc_channel() api returns a 32 bit value which has the channel controller number in MSB and the EDMA channel number in LSB. The variables which store the value returned by edma_alloc_channel() have to be 32 bit wide now. Signed-off-by:
Sudhakar Rajashekhara <sudhakar.raj@ti.com> Acked-by:
Vipin Bhandari <vipin.bhandari@ti.com> Cc: Purshotam Kumar <purushotam@ti.com> Acked-by:
David Brownell <dbrownell@users.sourceforge.net> Cc: <linux-mmc@vger.kernel.org> Signed-off-by:
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Vipin Bhandari authored
Add support for MMC/SD controller driver for all DaVinci family SoC. This patch supports davinci family SoC's DM6446, DM355, DM365 and DA830/OMAPL137. The patch has been tested on DM355 EVM. The MMCSD controller specifications for DM355 can be found at http://focus.ti.com/general/docs/litabsmultiplefilelist.tsp?literatureNumber=spruee2cSigned-off-by:
Purshotam Kumar <purushotam@ti.com> Acked-by:
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Julia Lawall authored
If the NULL test on mrq is needed, then the derefernce should be after the NULL test. A simplified version of the semantic match that detects this problem is as follows (http://coccinelle.lip6.fr/): // <smpl> @match exists@ expression x, E; identifier fld; @@ * x->fld ... when != \(x = E\|&x\) * x == NULL // </smpl> Signed-off-by:
Julia Lawall <julia@diku.dk> Cc: <linux-mmc@vger.kernel.org> Signed-off-by:
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Albert Herranz authored
Rework the current CIS tuple parsing code, reusing the existing infrastructure and providing an easy way to add new CISTPL_FUNCE parsers by TPLFE_TYPE. Valid known CIS tuples are now silently queued for the SDIO function driver when not parsed/processed (-EILSEQ) by the SDIO core. Unknown CIS tuples (-ENOENT) are queued too for the SDIO function driver without aborting the initialization, but emit a warning in the kernel log. CISTPL_FUNCE tuples can be "whitelisted" now by adding a matching entry to the cis_tpl_funce_list table. Signed-off-by:
Albert Herranz <albert_herranz@yahoo.es> Acked-by:
Pierre Ossman <pierre@ossman.eu> Cc: <linux-mmc@vger.kernel.org> Signed-off-by:
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Uwe Kleine-König authored
After a failing allocation of mmc or a failed ioremap in mxcmci_probe host was used uninitialized. Signed-off-by:
Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by:
Sascha Hauer <s.hauer@pengutronix.de> Cc: Pierre Ossman <pierre@ossman.eu> Cc: Martin Fuzzey <mfuzzey@gmail.com> Cc: Pierre Ossman <drzeus@drzeus.cx> Cc: <linux-mmc@vger.kernel.org> Signed-off-by:
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Mike Frysinger authored
Rather than have the EDD depend on !ia64 (and assuming that only ia64, x86, x86_64 will be including this Kconfig), have EDD depend on the only arches which can support this code. This should allow all other arches to cleanly include the firmware Kconfig. Also simplify the x86 string used by FIRMWARE_MEMMAP to match EDD. Signed-off-by:
Matt Domsch <Matt_Domsch@dell.com> Signed-off-by:
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KOSAKI Motohiro authored
Recently, We marked strstrip() as must_check. because it was frequently misused and it should be checked. However, we found one exception. scsi/ipr.c intentionally ignore return value of strstrip. Because it wishes to keep the whitespace at the beginning. Thus we need to keep with and without checked whitespace trim function. This patch adds a new strim() and changes ipr.c to use it. [akpm@linux-foundation.org: coding-style fixes] Suggested-by:
Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by:
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by:
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Joe Perches authored
Shrinks vmlinux without: $ size vmlinux text data bss dec hex filename 6975863 679652 1359668 9015183 898f8f vmlinux with: $ size vmlinux text data bss dec hex filename 6975639 679652 1359668 9014959 898eaf vmlinux Signed-off-by:
Joe Perches <joe@perches.com> Cc: Jeff Garzik <jgarzik@redhat.com> Cc: Tejun Heo <tj@kernel.org> Signed-off-by:
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Joe Perches authored
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Joe Perches authored
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Joe Perches authored
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Joe Perches authored
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Joe Perches authored
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Matt Mackall <mpm@selenic.com> Signed-off-by:
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Joe Perches authored
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Alex Elder <aelder@sgi.com> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by:
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Joe Perches authored
UUID/GUIDs are somewhat common in kernel source. Standardize the printed style of UUID/GUIDs by using another extension to %p. %pUb: 01020304-0506-0708-090a-0b0c0d0e0f10 %pUB: 01020304-0506-0708-090A-0B0C0D0E0F10 (upper case) %pUl: 04030201-0605-0807-090a-0b0c0d0e0f10 %pUL: 04030201-0605-0807-090A-0B0C0D0E0F10 (upper case) %pU defaults to %pUb Signed-off-by:
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André Goddard Rosa authored
No functional change. Cache strlen() result to avoid recalculating it up to 3 times on the worst case. Reduces code size a little by 32 bytes: text data bss dec hex filename 1385 0 0 1385 569 lib/parser.o-BEFORE 1353 0 0 1353 549 lib/parser.o-AFTER Signed-off-by:
André Goddard Rosa <andre.goddard@gmail.com> Cc: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by:
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André Goddard Rosa authored
Makes use of skip_spaces() defined in lib/string.c for removing leading spaces from strings all over the tree. It decreases lib.a code size by 47 bytes and reuses the function tree-wide: text data bss dec hex filename 64688 584 592 65864 10148 (TOTALS-BEFORE) 64641 584 592 65817 10119 (TOTALS-AFTER) Also, while at it, if we see (*str && isspace(*str)), we can be sure to remove the first condition (*str) as the second one (isspace(*str)) also evaluates to 0 whenever *str == 0, making it redundant. In other words, "a char equals zero is never a space". Julia Lawall tried the semantic patch (http://coccinelle.lip6.fr) below, and found occurrences of this pattern on 3 more files: drivers/leds/led-class.c drivers/leds/ledtrig-timer.c drivers/video/output.c @@ expression str; @@ ( // ignore skip_spaces cases while (*str && isspace(*str)) { \(str++;\|++str;\) } | - *str && isspace(*str) ) Signed-off-by:
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André Goddard Rosa authored
... so that strlen() iterates over a smaller string comprising of the remaining characters only. Signed-off-by:
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André Goddard Rosa authored
On the following sentence: while (*s && isspace(*s)) s++; If *s == 0, isspace() evaluates to ((_ctype[*s] & 0x20) != 0), which evaluates to ((0x08 & 0x20) != 0) which equals to 0 as well. If *s == 1, we depend on isspace() result anyway. In other words, "a char equals zero is never a space", so remove this check. Also, *s != 0 is most common case (non-null string). Fixed const return as noticed by Jan Engelhardt and James Bottomley. Fixed unnecessary extra cast on strstrip() as noticed by Jan Engelhardt. Signed-off-by: -
Andrew Morton authored
To avoid a collision with the newly-added kernel-wide skip_spaces(). Signed-off-by:
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André Goddard Rosa authored
While at it, use tabs to indent the comments. Signed-off-by:
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André Goddard Rosa authored
The difference between simple_strtoul() and simple_strtoull() is just the size of the variable used to keep track of the sum of characters converted to numbers: unsigned long simple_strtoul() {...} unsigned long long simple_strtoull(){...} Both are same size on my Core 2/gcc 4.4.1. Overflow condition is not checked on both functions, so an extremely large string can break these functions so that they don't even notice it. As we do not care for overflowing on these functions, always keep the sum using the larger variable around (unsigned long long) on simple_strtoull() and cast it to (unsigned long) on simple_strtoul(), which then becomes just a wrapper around simple_strtoull(). Code size decreases by 304 bytes: text data bss dec hex filename 15534 0 8 15542 3cb6 vsprintf.o (ex lib/lib.a-BEFORE) 15230 0 8 15238 3b86 vsprintf.o (ex lib/lib.a-AFTER) Signed-off-by:
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