- 23 9月, 2009 23 次提交
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由 kishore kadiyala 提交于
Add basic support for all 5 MMC controllers on OMAP4. This patch doesn't include mmc-regulator support Signed-off-by: NKishore Kadiyala <kishore.kadiyala@ti.com> Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com> Acked-by: NMadhusudhan Chikkature <madhu.cr@ti.com> Cc: Russell King <linux@arm.linux.org.uk> Acked-by: NTony Lindgren <tony@atomide.com> Cc: Hiroshi DOYU <Hiroshi.DOYU@nokia.com> Cc: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Adrian Hunter 提交于
Commands like SWITCH (CMD6) send a response and then signal busy while the operation is completed. These commands are expected to always succeed (otherwise the response would have indicated an error). Set an arbitrarily large data timeout value (100ms) for these commands to ensure that premature timeouts do not occur. Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Acked-by: NMatt Fleming <matt@console-pimps.org> Cc: Ian Molton <ian@mnementh.co.uk> Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com> Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com> Cc: Denis Karpov <ext-denis.2.karpov@nokia.com> Cc: Pierre Ossman <pierre@ossman.eu> Cc: Philip Langdale <philipl@overt.org> Cc: "Madhusudhan" <madhu.cr@ti.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Adrian Hunter 提交于
[madhu.cr@ti.com: fix for the db clock failure message] Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Acked-by: NMatt Fleming <matt@console-pimps.org> Cc: Ian Molton <ian@mnementh.co.uk> Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com> Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com> Cc: Denis Karpov <ext-denis.2.karpov@nokia.com> Cc: Pierre Ossman <pierre@ossman.eu> Cc: Philip Langdale <philipl@overt.org> Cc: "Madhusudhan" <madhu.cr@ti.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: NMadhusudhan Chikkature <madhu.cr@ti.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Adrian Hunter 提交于
Depending on the manufacturer, there is a small possibility that removing a card while it is being written to, can render the card permanently unusable. To prevent that, the card is made inaccessible when the cover is open. Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Acked-by: NMatt Fleming <matt@console-pimps.org> Cc: Ian Molton <ian@mnementh.co.uk> Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com> Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com> Cc: Denis Karpov <ext-denis.2.karpov@nokia.com> Cc: Pierre Ossman <pierre@ossman.eu> Cc: Philip Langdale <philipl@overt.org> Cc: "Madhusudhan" <madhu.cr@ti.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Denis Karpov 提交于
Functions', structures', variables' names are changed to start with omap_hsmmc_ prefix. Signed-off-by: NDenis Karpov <ext-denis.2.karpov@nokia.com> Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Acked-by: NMatt Fleming <matt@console-pimps.org> Cc: Ian Molton <ian@mnementh.co.uk> Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com> Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com> Cc: Denis Karpov <ext-denis.2.karpov@nokia.com> Cc: Pierre Ossman <pierre@ossman.eu> Cc: Philip Langdale <philipl@overt.org> Cc: "Madhusudhan" <madhu.cr@ti.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Adrian Hunter 提交于
If an unexpected interrupt occurs while preparing the next request, an oops can occur. For example, a new request is setting up DMA for data transfer so host->data is not NULL. An unexpected transfer complete (TC) interrupt comes along and the interrupt handler sets host->data to NULL. Oops! Prevent that by adding a spinlock. Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Acked-by: NMatt Fleming <matt@console-pimps.org> Cc: Ian Molton <ian@mnementh.co.uk> Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com> Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com> Cc: Denis Karpov <ext-denis.2.karpov@nokia.com> Cc: Pierre Ossman <pierre@ossman.eu> Cc: Philip Langdale <philipl@overt.org> Cc: "Madhusudhan" <madhu.cr@ti.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Adrian Hunter 提交于
Sometimes the controller unexpectedly produces a TC (transfer complete) interrupt before the CC (command complete) interrupt for command 6 (SWITCH). This is a problem because the CC interrupt can get mixed up with the next request. Add a hack for CMD6. Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Acked-by: NMatt Fleming <matt@console-pimps.org> Cc: Ian Molton <ian@mnementh.co.uk> Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com> Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com> Cc: Denis Karpov <ext-denis.2.karpov@nokia.com> Cc: Pierre Ossman <pierre@ossman.eu> Cc: Philip Langdale <philipl@overt.org> Cc: "Madhusudhan" <madhu.cr@ti.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Adrian Hunter 提交于
Clear the interrupt status after sending the initialization sequence, as specified in the TRM. Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Acked-by: NMatt Fleming <matt@console-pimps.org> Cc: Ian Molton <ian@mnementh.co.uk> Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com> Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com> Cc: Denis Karpov <ext-denis.2.karpov@nokia.com> Cc: Pierre Ossman <pierre@ossman.eu> Cc: Philip Langdale <philipl@overt.org> Cc: "Madhusudhan" <madhu.cr@ti.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Denis Karpov 提交于
Use macro mmc_slot() in omap_hsmmc. Signed-off-by: NDenis Karpov <ext-denis.2.karpov@nokia.com> Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Acked-by: NMatt Fleming <matt@console-pimps.org> Cc: Ian Molton <ian@mnementh.co.uk> Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com> Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com> Cc: Denis Karpov <ext-denis.2.karpov@nokia.com> Cc: Pierre Ossman <pierre@ossman.eu> Cc: Philip Langdale <philipl@overt.org> Cc: "Madhusudhan" <madhu.cr@ti.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Jarkko Lavinen 提交于
Do not call 'mmc_omap_xfer_done()' if the request is already done. Signed-off-by: NJarkko Lavinen <jarkko.lavinen@nokia.com> Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Acked-by: NMatt Fleming <matt@console-pimps.org> Cc: Ian Molton <ian@mnementh.co.uk> Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com> Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com> Cc: Denis Karpov <ext-denis.2.karpov@nokia.com> Cc: Pierre Ossman <pierre@ossman.eu> Cc: Philip Langdale <philipl@overt.org> Cc: "Madhusudhan" <madhu.cr@ti.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Jarkko Lavinen 提交于
After 1 second of inactivity, put card and/or regulator to sleep. After 8 seconds of inactivity, turn off the power. Signed-off-by: NJarkko Lavinen <jarkko.lavinen@nokia.com> Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Acked-by: NMatt Fleming <matt@console-pimps.org> Cc: Ian Molton <ian@mnementh.co.uk> Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com> Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com> Cc: Denis Karpov <ext-denis.2.karpov@nokia.com> Cc: Pierre Ossman <pierre@ossman.eu> Cc: Philip Langdale <philipl@overt.org> Cc: "Madhusudhan" <madhu.cr@ti.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Adrian Hunter 提交于
When a card is not in use, the voltage regulator can be put to sleep. This is an alternative to powering the card off, when powering off is not safe because the card might be replaced without the driver being aware of it. That situation happens if: - the card is removable i.e. not eMMC - and there is no card detect - and there is a cover switch but the cover is open Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Acked-by: NMatt Fleming <matt@console-pimps.org> Cc: Ian Molton <ian@mnementh.co.uk> Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com> Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com> Cc: Denis Karpov <ext-denis.2.karpov@nokia.com> Cc: Pierre Ossman <pierre@ossman.eu> Cc: Philip Langdale <philipl@overt.org> Cc: "Madhusudhan" <madhu.cr@ti.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Denis Karpov 提交于
Support for multi-level dynamic power saving states in omap_hsmmc (ENABLED->DISABLED->OFF). In the "deepest" state (OFF) we switch off the voltage regulators. Signed-off-by: NDenis Karpov <ext-denis.2.karpov@nokia.com> Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Acked-by: NMatt Fleming <matt@console-pimps.org> Cc: Ian Molton <ian@mnementh.co.uk> Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com> Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com> Cc: Denis Karpov <ext-denis.2.karpov@nokia.com> Cc: Pierre Ossman <pierre@ossman.eu> Cc: Philip Langdale <philipl@overt.org> Cc: "Madhusudhan" <madhu.cr@ti.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Adrian Hunter 提交于
Let the board specify that a card is nonremovable e.g. eMMC Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Acked-by: NMatt Fleming <matt@console-pimps.org> Cc: Ian Molton <ian@mnementh.co.uk> Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com> Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com> Cc: Denis Karpov <ext-denis.2.karpov@nokia.com> Cc: Pierre Ossman <pierre@ossman.eu> Cc: Philip Langdale <philipl@overt.org> Cc: "Madhusudhan" <madhu.cr@ti.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Jarkko Lavinen 提交于
Do not use host->dma_len when it is uninitialzed. Finish the request with an error if the mmc_omap_prepare_data() fails. Signed-off-by: NJarkko Lavinen <jarkko.lavinen@nokia.com> Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Acked-by: NMatt Fleming <matt@console-pimps.org> Cc: Ian Molton <ian@mnementh.co.uk> Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com> Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com> Cc: Denis Karpov <ext-denis.2.karpov@nokia.com> Cc: Pierre Ossman <pierre@ossman.eu> Cc: Philip Langdale <philipl@overt.org> Cc: "Madhusudhan" <madhu.cr@ti.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Adrian Hunter 提交于
Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Acked-by: NMatt Fleming <matt@console-pimps.org> Cc: Ian Molton <ian@mnementh.co.uk> Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com> Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com> Cc: Denis Karpov <ext-denis.2.karpov@nokia.com> Cc: Pierre Ossman <pierre@ossman.eu> Cc: Philip Langdale <philipl@overt.org> Cc: "Madhusudhan" <madhu.cr@ti.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Denis Karpov 提交于
The code could set the bit to 1 but not reset it to 0. Signed-off-by: NDenis Karpov <ext-denis.2.karpov@nokia.com> Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Acked-by: NMatt Fleming <matt@console-pimps.org> Cc: Ian Molton <ian@mnementh.co.uk> Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com> Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com> Cc: Denis Karpov <ext-denis.2.karpov@nokia.com> Cc: Pierre Ossman <pierre@ossman.eu> Cc: Philip Langdale <philipl@overt.org> Cc: "Madhusudhan" <madhu.cr@ti.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Denis Karpov 提交于
Keep the context over PM dynamic OFF states. Signed-off-by: NDenis Karpov <ext-denis.2.karpov@nokia.com> Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Acked-by: NMatt Fleming <matt@console-pimps.org> Cc: Ian Molton <ian@mnementh.co.uk> Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com> Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com> Cc: Denis Karpov <ext-denis.2.karpov@nokia.com> Cc: Pierre Ossman <pierre@ossman.eu> Cc: Philip Langdale <philipl@overt.org> Cc: "Madhusudhan" <madhu.cr@ti.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Adrian Hunter 提交于
This patch is preparation for adding context save and restore support. Keep track of the current power mode so that the context restore function can avoid restoring the context for a card if the power has been switched off. If the power is off, the card must be reinitialized anyway which will re-establish the context. Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Acked-by: NMatt Fleming <matt@console-pimps.org> Cc: Ian Molton <ian@mnementh.co.uk> Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com> Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com> Cc: Denis Karpov <ext-denis.2.karpov@nokia.com> Cc: Pierre Ossman <pierre@ossman.eu> Cc: Philip Langdale <philipl@overt.org> Cc: "Madhusudhan" <madhu.cr@ti.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Adrian Hunter 提交于
For the moment enable / disable just turns the fclk on and off. Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Acked-by: NMatt Fleming <matt@console-pimps.org> Cc: Ian Molton <ian@mnementh.co.uk> Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com> Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com> Cc: Denis Karpov <ext-denis.2.karpov@nokia.com> Cc: Pierre Ossman <pierre@ossman.eu> Cc: Philip Langdale <philipl@overt.org> Cc: "Madhusudhan" <madhu.cr@ti.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Denis Karpov 提交于
Adds <debugfs_root>/kernel/debug/mmc<N>/regs entry, contents show registers' state and some driver internal state variables. Signed-off-by: NDenis Karpov <ext-denis.2.karpov@nokia.com> Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Acked-by: NMatt Fleming <matt@console-pimps.org> Cc: Ian Molton <ian@mnementh.co.uk> Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com> Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com> Cc: Denis Karpov <ext-denis.2.karpov@nokia.com> Cc: Pierre Ossman <pierre@ossman.eu> Cc: Philip Langdale <philipl@overt.org> Cc: "Madhusudhan" <madhu.cr@ti.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Uwe Kleine-König 提交于
omap_mmc_probe lives in .init.text, so using platform_driver_register to register it is wrong because binding a device after the init memory is discarded (e.g. via sysfs) results in an oops. As requested by David Brownell platform_driver_probe is used instead of moving the probe function to .devinit.text as proposed initially. This saves some memory, but devices registered after the driver is probed are not bound (probably there are none) and binding via sysfs isn't possible. Signed-off-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de> Cc: Jean Pihet <jpihet@mvista.com> Cc: Tony Lindgren <tony@atomide.com> Cc: Pierre Ossman <drzeus@drzeus.cx> Cc: Andy Lowe <alowe@mvista.com> Cc: Adrian Hunter <ext-adrian.hunter@nokia.com> Cc: Andrew Morton <akpm@linux-foundation.org> Acked-by: NDavid Brownell <dbrownell@users.sourceforge.net> Cc: Madhusudhan Chikkature<madhu.cr@ti.com> Cc: Greg Kroah-Hartman <gregkh@suse.de> Cc: Matt Fleming <matt@console-pimps.org> Cc: Ian Molton <ian@mnementh.co.uk> Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com> Cc: Philip Langdale <philipl@overt.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Anand Gadiyar 提交于
This considerably reduces the number of interrupts during a transfer and ought to result in some power saving. Signed-off-by: NAnand Gadiyar <gadiyar@ti.com> Signed-off-by: NSantosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: NKishore Kadiyala <kishore.kadiyala@ti.com> Cc: Pierre Ossman <drzeus@drzeus.cx> Cc: Matt Fleming <matt@console-pimps.org> Cc: Ian Molton <ian@mnementh.co.uk> Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com> Cc: Philip Langdale <philipl@overt.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 04 6月, 2009 1 次提交
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由 Anand Gadiyar 提交于
Signed-off-by: NAnand Gadiyar <gadiyar@ti.com> Signed-off-by: NPierre Ossman <pierre@ossman.eu>
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- 29 5月, 2009 1 次提交
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由 David Brownell 提交于
Decouple the HSMMC glue from the twl4030 as the only regulator provider, using the regulator framework instead. This makes the glue's "mmc-twl4030" name become a complete misnomer ... this code could probably all migrate into the HSMMC driver now. Tested on 3430SDP (SD and low-voltage MMC) and Beagle (SD), plus some other boards (including Overo) after they were converted to set up MMC regulators properly. Eventually all boards should just associate a regulator with each MMC controller they use. In some cases (Overo MMC2 and Pandora MMC3, at least) that would be a fixed-voltage regulator with no real software control. As a temporary hack (pending regulator-next updates to make the "fixed.c" regulator become usable) there's a new ocr_mask field for those boards. Patch updated with a fix for disabling vcc_aux by Adrian Hunter <adrian.hunter@nokia.com> Cc: Pierre Ossman <drzeus-list@drzeus.cx> Signed-off-by: NDavid Brownell <dbrownell@users.sourceforge.net> Signed-off-by: NTony Lindgren <tony@atomide.com>
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- 09 4月, 2009 3 次提交
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由 Jarkko Lavinen 提交于
With spurious interrupt cmd can be null even when we have CC set in irq status. Fixes: NB#106295 - prevent potential kernel crash in the MMC driver Signed-off-by: NJarkko Lavinen <jarkko.lavinen@nokia.com> Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Signed-off-by: NPierre Ossman <pierre@ossman.eu>
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由 Tony Lindgren 提交于
This fixes the issue noted by Russell King: drivers/mmc/host/omap_hsmmc.c: In function 'mmc_omap_xfer_done': drivers/mmc/host/omap_hsmmc.c:301: error: implicit declaration of function 'mmc_omap_fclk_lazy_disable' This got broken by 4a694dc9. Signed-off-by: NTony Lindgren <tony@atomide.com> Signed-off-by: NPierre Ossman <pierre@ossman.eu>
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由 Kevin Hilman 提交于
Spurious IRQs seen on MMC after 2.6.29. Flush posted write in IRQ handler. The interrupt line is released by clearing the error status bits in the MMCHS_STAT register, which must occur before the interrupt handler returns to avoid unwanted irqs. Hence the need to flush the posted write. Signed-off-by: NKevin Hilman <khilman@deeprootsystems.com> Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Acked-by: NTony Lindgen <tony@atomide.com> Signed-off-by: NPierre Ossman <pierre@ossman.eu>
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- 25 3月, 2009 11 次提交
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由 Adrian Hunter 提交于
It is necessary to wait for bus power before sending any commands. Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Signed-off-by: NPierre Ossman <drzeus@drzeus.cx>
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由 Grazvydas Ignotas 提交于
Data transfers on third OMAP3 MMC controller don't work because DMA line numbers are only defined for MMC1 and MMC2. Fix that and store line numbers in mmc_omap_host structure to reduce code size. Tested on OMAP3 pandora board. Signed-off-by: NGrazvydas Ignotas <notasas@gmail.com> Signed-off-by: NPierre Ossman <drzeus@drzeus.cx>
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由 Jarkko Lavinen 提交于
Turn off the bus power at suspend. Signed-off-by: NJarkko Lavinen <jarkko.lavinen@nokia.com> Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Signed-off-by: NPierre Ossman <drzeus@drzeus.cx>
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由 Adrian Hunter 提交于
Allow slot_name to be the same as the other OMAP driver, by removing the redundant "slot:" prefix. Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Signed-off-by: NPierre Ossman <drzeus@drzeus.cx>
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由 Adrian Hunter 提交于
Allow a cover switch to be used to cause a rescan of the MMC slot. Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Signed-off-by: NPierre Ossman <drzeus@drzeus.cx>
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由 Jarkko Lavinen 提交于
Signed-off-by: NJarkko Lavinen <jarkko.lavinen@nokia.com> Signed-off-by: NPierre Ossman <drzeus@drzeus.cx>
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由 Juha Yrjola 提交于
Instead of using the bounce buffer, using scatter-gather emulation (as in the OMAP1/2 MMC driver) removes the need of one extra memory copy and improves performance. Signed-off-by: NJuha Yrjola <juha.yrjola@solidboot.com> Signed-off-by: NPierre Ossman <drzeus@drzeus.cx>
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由 Adrian Hunter 提交于
Some MMC commands result in the card becoming busy after the response is received. This needs to be specified for the omap_hsmmc host controller, which is what this patch does. However, the effect is that some commands with no data will cause a Transfer Complete (TC) interrupt in addition to the Command Complete (CC) interrupt. In order to deal with that, the irq handler has needed a few changes also. The benefit of this change is that the omap_hsmmc host controller driver now waits for the TC interrupt while the card is busy, so the mmc_block driver needs to poll the card status just once instead of repeatedly. i.e. the net result is more sleep and less cpu. The command sequence for open-ended multi-block write with DMA is now: Issue write command CMD25 Receive CC interrupt Data is sent Receive TC interrupt (DMA is done) Issue stop command CMD12 Receive CC interrupt Card is busy Receive TC interrupt Card is now ready for next transfer Signed-off-by: NAdrian Hunter <adrian.hunter@nokia.com> Signed-off-by: NPierre Ossman <drzeus@drzeus.cx>
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由 Jarkko Lavinen 提交于
Signed-off-by: NJarkko Lavinen <jarkko.lavinen@nokia.com> Signed-off-by: NPierre Ossman <drzeus@drzeus.cx>
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由 Kim Kyuwon 提交于
Most registers lose its state when the processor wakes up from sleep state. Thus registers should be initialized, when the processor wakes up. However the current hsmmc 'resume' function doesn't consider this issue and finally makes deadlock. So this patch fixes this problem. Signed-off-by: NKim Kyuwon <chammoru@gmail.com> Signed-off-by: NAdrian Hunter <ext-adrian.hunter@nokia.com> Acked-by: NTony Lindgren <tony@atomide.com> Signed-off-by: NPierre Ossman <drzeus@drzeus.cx>
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由 Adrian Hunter 提交于
Remove code that turns MMC1 power back on after it has been powered off (when the voltage is 1.8V). The offending code is not necessary because the host controller bus voltage is initialized to 3V when probing or resuming. Note that MMC powers up with the highest voltage available (see mmc_power_up()) which will be 3V also. Signed-off-by: NAdrian Hunter <ext-adrian.hunter@nokia.com> Acked-by: NTony Lindgren <tony@atomide.com> Signed-off-by: NPierre Ossman <drzeus@drzeus.cx>
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- 19 2月, 2009 1 次提交
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由 Jean Pihet 提交于
Replace the infinite 'while() ;' loops with a finite loop version. Signed-off-by: NJean Pihet <jpihet@mvista.com> Acked-by: NTony Lindgren <tony@atomide.com> Signed-off-by: NPierre Ossman <drzeus@drzeus.cx>
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