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* mmc: sdhci-pltfm: move .h file into appropriate subdirWolfram Sang2010-10-231-0/+0
| | | | | | | | | Make use of the include/linux/mmc directory. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Anton Vorontsov <cbouatmailru@gmail.com> Tested-by: Eric Bénard <eric@eukrea.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: sdhci: Intel Medfield supportXiaochen Shen2010-10-231-0/+7
| | | | | | | | | | Basic support for the Intel Medfield devices Give them their own quirks as we will need to update this later. Signed-off-by: Xiaochen Shen <xiaochen.shen@intel.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: propagate power save/restore ops return valueOhad Ben-Cohen2010-10-231-2/+2
| | | | | | | | | Allow power save/restore and their relevant mmc_bus_ops handlers exit with a return value. Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com> Tested-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: sdhci: split up sdhci.h for sdhci-pltfm usersGiuseppe Cavallaro2010-10-231-0/+144
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some platforms based on sdhci-pltfm need to set their own quirks. Previously to this patch, the quirks were in drivers/mmc/host/sdhci.h. This patch splits drivers/mmc/host/sdhci.h into two parts: * drivers/mmc/host/sdhci.h includes the HC registers and I/O accessors. * include/linux/mmc/sdhci.h includes the sdhci structure and quirks. Instead of including drivers/mmc/host/sdhci.h, -pltfm drivers should now include include/linux/mmc/sdhci.h and include/linux/sdhci-pltfm.h. This patch avoids adding/changing the calls/flags in the sdhci_pltfm_data structure. It has been tested on STM platforms (e.g. STx7106, STx7108, STx5206) where the driver is configured and used as shown in the example below: [snip] static int mmc_pad_resources(struct sdhci_host *sdhci) { if (!devm_stm_pad_claim(sdhci->mmc->parent, &stx7108_mmc_pad_config, dev_name(sdhci->mmc->parent))) return -ENODEV; return 0; } static struct sdhci_pltfm_data stx7108_mmc_platform_data = { .init = mmc_pad_resources, .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, }; static struct platform_device stx7108_mmc_device = { .name = "sdhci", [snip] Note: drivers/mmc/host/sdhci.h now also includes linux/mmc/sdhci.h, and no modifications should be needed on other sdhci-<XXX> drivers. Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Reviewed-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: refine DDR supportAdrian Hunter2010-10-231-1/+2
| | | | | | | | | One flaw with DDR support is that MMC core does not inform the driver which DDR mode it has selected. This patch expands the ios->ddr flag to do that. Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: Fixes for Dual Data Rate (DDR) supportAdrian Hunter2010-10-232-1/+7
| | | | | | | | | | | | | | | | | | The DDR support patch needs the following fixes: - The block driver does not need to know about DDR, any more than it needs to know about bus width. - Not only the card must be switched to DDR mode. The host controller must also be configured, which is done through the 'set_ios()' function. - Do not set the DDR mode state until after the switch command is successful. - Setting block length is not supported in DDR mode. Make that a core function and change the other place it is used (mmc_test) also. Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: MMC 4.4 DDR supportHanumath Prasad2010-10-234-1/+18
| | | | | | | | | | | Add support for Dual Data Rate MMC cards as defined in the 4.4 specification. Signed-off-by: Hanumath Prasad <hanumath.prasad@stericsson.com> Cc: linux-mmc@vger.kernel.org Acked-by: Linus Walleij <linus.walleij@stericsson.com> Tested-by Zhangfei Gao <zhangfei.gao@marvell.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: Move regulator handling closer to coreLinus Walleij2010-10-231-1/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | After discovering a problem in regulator reference counting I took Mark Brown's advice to move the reference count into the MMC core by making the regulator status a member of struct mmc_host. I took this opportunity to also implement NULL versions of the regulator functions so as to rid the driver code from some ugly #ifdef CONFIG_REGULATOR clauses. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: Liam Girdwood <lrg@slimlogic.co.uk> Cc: Tony Lindgren <tony@atomide.com> Cc: Adrian Hunter <adrian.hunter@nokia.com> Cc: Robert Jarzmik <robert.jarzmik@free.fr> Cc: Sundar Iyer <sundar.iyer@stericsson.com> Cc: Daniel Mack <daniel@caiaq.de> Cc: Pierre Ossman <pierre@ossman.eu> Cc: Matt Fleming <matt@console-pimps.org> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Russell King <rmk+kernel@arm.linux.org.uk> Cc: Eric Miao <eric.y.miao@gmail.com> Cc: Cliff Brake <cbrake@bec-systems.com> Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: Make ID freq configurableHein Tibosch2010-10-231-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | In the latest releases of the mmc driver, the freq during initialization is set to a fixed 400 Khz. This was reportedly too fast for several users. As there doesn't seem to be an ideal frequency which-works-for-all, Pierre suggested to let the driver try several frequencies. This patch implements that idea. It will try mmc-initialization using several frequencies from an array 400, 300, 200 and 100. In case SDIO is broken, it'll still try to detect SDMEM, also at different freqs. Signed-off-by: Hein Tibosch <hein_tibosch@yahoo.es> Cc: Pierre Ossman <pierre@ossman.eu> Reviewed-by: Chris Ball <cjb@laptop.org> Tested-by: Chris Ball <cjb@laptop.org> Cc: Ben Nizette <bn@niasdigital.com> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Adrian Hunter <adrian.hunter@nokia.com> Cc: Matt Fleming <matt@console-pimps.org> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: Add helper function to check if a card is removableMatt Fleming2010-10-231-0/+8
| | | | | | | | | | | | | | | | | | | | | There are two checks that need to be made when determining whether a card is removable. A host controller may set MMC_CAP_NONREMOVABLE if the controller does not support removing cards (e.g. eMMC), in which case the card is physically non-removable. Also the 'mmc_assume_removable' module parameter can be configured at module load time, in which case the card may be logically non-removable. A helper function keeps the logic in one place so that code always checks both conditions. Because this new function is likely to be called from modules we now need to export the mmc_assume_removable symbol. Signed-off-by: Matt Fleming <matt@console-pimps.org> Acked-by: Kyungmin Park <kyungmin.park@samsung.com> Tested-by: Jaehoon Chung <jh80.chung@samsung.com> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: rename dev_to_mmc_card() to mmc_dev_to_card()Andy Shevchenko2010-10-231-1/+1
| | | | | | | | | Global symbols should use their subsystem name in a prefixed fashion. Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: make mmc_dev_to_card() macro publicAndy Shevchenko2010-10-231-0/+2
| | | | | | | | | | | Conversion from struct device to struct mmc_card is used more than in one place. Due to this it's better to have public macro for such thing. Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com> Cc: Adrian Hunter <adrian.hunter@nokia.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: Remove distinction between hw and phys segmentsMartin K. Petersen2010-10-231-2/+1
| | | | | | | | | We have deprecated the distinction between hardware and physical segments in the block layer. Consolidate the two limits into one in drivers/mmc/. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* Merge branch 'for-linus' of ↵Linus Torvalds2010-10-232-5/+26
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2: (36 commits) nilfs2: eliminate sparse warning - "context imbalance" nilfs2: eliminate sparse warnings - "symbol not declared" nilfs2: get rid of bdi from nilfs object nilfs2: change license of exported header file nilfs2: add bdev freeze/thaw support nilfs2: accept 64-bit checkpoint numbers in cp mount option nilfs2: remove own inode allocator and destructor for metadata files nilfs2: get rid of back pointer to writable sb instance nilfs2: get rid of mi_nilfs back pointer to nilfs object nilfs2: see state of root dentry for mount check of snapshots nilfs2: use iget for all metadata files nilfs2: get rid of GCDAT inode nilfs2: add routines to redirect access to buffers of DAT file nilfs2: add routines to roll back state of DAT file nilfs2: add routines to save and restore bmap state nilfs2: do not allocate nilfs_mdt_info structure to gc-inodes nilfs2: allow nilfs_clear_inode to clear metadata file inodes nilfs2: get rid of snapshot mount flag nilfs2: simplify life cycle management of nilfs object nilfs2: do not allocate multiple super block instances for a device ...
| * nilfs2: change license of exported header fileRyusuke Konishi2010-10-231-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This allows other projects to carry copies of the header file related to ABI and disk format (i.e. "nilfs2_fs.h") without it or distributors having to worry about effects on the project's overall license terms. It's also desired for switching the license of nilfs library to LGPL. Jiro SEKIBA pointed out these license issues (Message-ID: <87tylo7msw.wl%jir@sekiba.com>), and he suggested switching license of the library and nilfs2_fs.h to GNU Lesser General Public License. We take in his suggestion to avoid the license issues. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: Jiro SEKIBA <jir@unicus.jp> Cc: linux-nilfs <linux-nilfs@vger.kernel.org>
| * nilfs2: get rid of snapshot mount flagRyusuke Konishi2010-10-231-1/+0
| | | | | | | | | | | | | | This flag is a fake used to distinguish type of super block instance. And, it got obsolete by the unification of sb. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * nilfs2: make snapshots in checkpoint tree exportableRyusuke Konishi2010-10-231-0/+13
| | | | | | | | | | | | | | | | | | | | | | The previous export operations cannot handle multiple versions of a filesystem if they belong to the same sb instance. This adds a new type of file handle and extends export operations so that they can get the inode specified by a checkpoint number as well as an inode number and a generation number. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * nilfs2: keep zero value in i_cno except for gc-inodesRyusuke Konishi2010-10-231-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | On-memory inode structures of nilfs have a member "i_cno" which stores a checkpoint number related to the inode. For gc-inodes, this field indicates version of data each gc-inode caches for GC. Log writer temporarily uses "i_cno" to transfer the latest checkpoint number. This stops the latter use and lets only gc-inodes use it. The purpose of this patch is to allow the successive change use "i_cno" for inode lookup. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
| * nilfs2: accept future revisionsRyusuke Konishi2010-10-231-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | Compatibility of nilfs partitions is now managed with three feature sets. This changes old compatibility check with revision number so that it can accept future revisions. Note that we can stop support of experimental versions of nilfs that doesn't know the feature sets by incrementing NILFS_CURRENT_REV. We don't have to do it soon, but it would be a possible option whenever the need arises. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
* | Merge branch 'for_linus' of ↵Linus Torvalds2010-10-221-0/+51
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb: kdb,debug_core: adjust master cpu switch logic against new debug_core locking debug_core: refactor locking for master/slave cpus x86,kgdb: remove unnecessary call to kgdb_correct_hw_break() debug_core: disable hw_breakpoints on all cores in kgdb_cpu_enter() kdb,kgdb: fix sparse fixups kdb: Fix oops in kdb_unregister kdb,ftdump: Remove reference to internal kdb include kdb: Allow kernel loadable modules to add kdb shell functions debug_core: stop rcu warnings on kernel resume debug_core: move all watch dog syncs to a single function x86,kgdb: fix debugger hw breakpoint test regression in 2.6.35
| * | kdb,kgdb: fix sparse fixupsJason Wessel2010-10-221-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix the following sparse warnings: kdb_main.c:328:5: warning: symbol 'kdbgetu64arg' was not declared. Should it be static? kgdboc.c:246:12: warning: symbol 'kgdboc_early_init' was not declared. Should it be static? kgdb.c:652:26: warning: incorrect type in argument 1 (different address spaces) kgdb.c:652:26: expected void const *ptr kgdb.c:652:26: got struct perf_event *[noderef] <asn:3>*pev The one in kgdb.c required the (void * __force) because of the return code from register_wide_hw_breakpoint looking like: return (void __percpu __force *)ERR_PTR(err); Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
| * | kdb: Allow kernel loadable modules to add kdb shell functionsJason Wessel2010-10-221-0/+43
| |/ | | | | | | | | | | | | | | | | | | | | In order to allow kernel modules to dynamically add a command to the kdb shell the kdb_register, kdb_register_repeat, kdb_unregister, and kdb_printf need to be exported as GPL symbols. Any kernel module that adds a dynamic kdb shell function should only need to include linux/kdb.h. Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds2010-10-2215-198/+581
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (141 commits) USB: mct_u232: fix broken close USB: gadget: amd5536udc.c: fix error path USB: imx21-hcd - fix off by one resource size calculation usb: gadget: fix Kconfig warning usb: r8a66597-udc: Add processing when USB was removed. mxc_udc: add workaround for ENGcm09152 for i.MX35 USB: ftdi_sio: add device ids for ScienceScope USB: musb: AM35x: Workaround for fifo read issue USB: musb: add musb support for AM35x USB: AM35x: Add musb support usb: Fix linker errors with CONFIG_PM=n USB: ohci-sh - use resource_size instead of defining its own resource_len macro USB: isp1362-hcd - use resource_size instead of defining its own resource_len macro USB: isp116x-hcd - use resource_size instead of defining its own resource_len macro USB: xhci: Fix compile error when CONFIG_PM=n USB: accept some invalid ep0-maxpacket values USB: xHCI: PCI power management implementation USB: xHCI: bus power management implementation USB: xHCI: port remote wakeup implementation USB: xHCI: port power management implementation ... Manually fix up (non-data) conflict: the SCSI merge gad renamed the 'hw_sector_size' member to 'physical_block_size', and the USB tree brought a new use of it.
| * | mxc_udc: add workaround for ENGcm09152 for i.MX35Eric Bénard2010-10-221-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | this patch gives the possibility to workaround bug ENGcm09152 on i.MX35 when the hardware workaround is also implemented on the board. It covers the workaround described on page 25 of the following Errata : http://cache.freescale.com/files/dsp/doc/errata/IMX35CE.pdf Signed-off-by: Eric Bénard <eric@eukrea.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | usb: usb3.0 ch9 definitionsTatyana Brokhman2010-10-221-1/+57
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Adding SuperSpeed usb definitions as defined by ch9 of the USB3.0 spec. This patch is a preparation for adding SuperSpeed support to the gadget framework. Signed-off-by: Tatyana Brokhman <tlinder@codeaurora.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | USB: gadget: storage: reuse definitions from scsi.h header fileMichal Nazarewicz2010-10-221-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit changes storage_common.h, file_storage.c and f_mass_storage.c to use definitions of SCSI commands from scsi/scsi.h file instead of redefining the commands in storage_common.c. scsi/scsi.h header file was missing READ_FORMAT_CAPACITIES and READ_HEADER so this commit also add those to the header. Signed-off-by: Michal Nazarewicz <mina86@mina86.com> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: James Bottomley <James.Bottomley@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | usb-storage: add new no_read_capacity_16 quirkHans de Goede2010-10-221-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some Rockbox based mp4 players will crash when ever they see a read_capacity_16 scsi command. So add a new US_FL which tells the scsi sd driver to not issue any read_capacity_16 scsi commands. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Matthew Dharm <mdharm-usb@one-eyed-alien.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | scsi/sd: add a no_read_capacity_16 scsi_device flagHans de Goede2010-10-221-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I seem to have a knack for digging up buggy usb devices which don't work with Linux, and I'm crazy enough to try to make them work. So this time a friend of mine asked me to get an mp4 player (an mp3 player which can play videos on a small screen) to work with Linux. It is based on the well known rockbox chipset for which we already have an unusual devs entries to work around some of its bugs. But this model comes with an additional twist. This model chokes on read_capacity_16 calls. Now normally we don't make those calls, but this model comes with an sdcard slot and when there is no card in there (and shipped from the factory there is none), it reports a size of 0. However this time the programmers actually got the read_capacity_10 response right! So they substract one from the size as stored internally in the mp3 player before reporting it back, resulting in an answer of ... 0xffffffff sectors, causing sd.c to try a read_capacity_16, on which the device crashes. This patch adds a flag to scsi_device to indicate that a a device cannot handle read_capacity_16, and when this flag is set if a device reports an lba of 0xffffffff as answer to a read_capacity_10, assumes it tries to report a size of 0. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Matthew Dharm <mdharm-usb@one-eyed-alien.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | usb-storage: add new no_read_disc_info quirkHans de Goede2010-10-221-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Appotech ax3003 (the larger brother of the ax203) based devices are even more buggy then the ax203. They will go of into lala land when ever they see a READ_DISC_INFO scsi command. So add a new US_FL which tells the scsi sr driver to not issue any READ_DISC_INFO scsi commands. [akpm@linux-foundation.org: fix build] Signed-off-by: Hans de Goede <hdegoede@redhat.com> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Matthew Dharm <mdharm-usb@one-eyed-alien.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | scsi/sr: add no_read_disc_info scsi_device flagHans de Goede2010-10-221-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some USB devices emulate a usb-mass-storage attached (scsi) cdrom device, usually this fake cdrom contains the windows software for the device. While working on supporting Appotech ax3003 based photoframes, which do this I discovered that they will go of into lala land when ever they see a READ_DISC_INFO scsi command. Thus this patch adds a scsi_device flag (which can then be set by the usb-storage driver through an unsual-devs entry), to indicate this, and makes the sr driver honor this flag. I know this sucks, but as discussed on linux-scsi list there is no other way to make this device work properly. Looking at usb traces made under windows, windows never sends a READ_DISC_INFO during normal interactions with a usb cdrom device. So as this cdrom emulation thingie becomes more common we might see more of this problem. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Matthew Dharm <mdharm-usb@one-eyed-alien.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | USB: introduce unmap_urb_setup_for_dma()Martin Fuzzey2010-10-221-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Split unmap_urb_for_dma() to allow just the setup buffer to be unmapped. This allows HCDs to use PIO for the setup buffer if it is not suitable for DMA. Signed-off-by: Martin Fuzzey <mfuzzey@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | USB: add USB EHCI support for MPC5121 SoCAnatolij Gustschin2010-10-221-0/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Extends FSL EHCI platform driver glue layer to support MPC5121 USB controllers. MPC5121 Rev 2.0 silicon EHCI registers are in big endian format. The appropriate flags are set using the information in the platform data structure. MPC83xx system interface registers are not available on MPC512x, so the access to these registers is isolated in MPC512x case. Furthermore the USB controller clocks must be enabled before 512x register accesses which is done by providing platform specific init callback. The MPC512x internal USB PHY doesn't provide supply voltage. For boards using different power switches allow specifying DRVVBUS and PWR_FAULT signal polarity of the MPC5121 internal PHY using "fsl,invert-drvvbus" and "fsl,invert-pwr-fault" properties in the device tree USB nodes. Adds documentation for this new device tree bindings. Signed-off-by: Anatolij Gustschin <agust@denx.de> Cc: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | USB: Add more empty functions in otg.hGrazvydas Ignotas2010-10-221-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add empty functions for get/put transceiver functions too, so that drivers that optionally use them can call them without worrying that they might not exist, eliminating ifdefs. Signed-off-by: Grazvydas Ignotas <notasas@gmail.com> Acked-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | usb: musb: host: unmap the buffer for PIO data transfersMaulik Mankad2010-10-221-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The USB stack maps the buffer for DMA if the controller supports DMA. MUSB controller can perform DMA as well as PIO transfers. The buffer needs to be unmapped before CPU can perform PIO data transfers. Export unmap_urb_for_dma() so that drivers can perform the DMA unmapping in a sane way. Signed-off-by: Maulik Mankad <x0082077@ti.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | USB: Move USB Storage definitions to their own header fileMatthew Wilcox2010-10-222-37/+49
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The libusual header file is hard to use from code that isn't part of libusual. As the comment suggests, these definitions are moved to their own header file, paralleling other USB classes. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Cc: Alan Stern <stern@rowland.harvard.edu> [mina86@mina86.com: updated to use USB_ prefix and added #include guard] Signed-off-by: Michal Nazarewicz <mina86@mina86.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> index 0000000..d7fc910
| * | USB: storage: Use USB_ prefix instead of US_ prefixMichal Nazarewicz2010-10-221-29/+30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit changes prefix for some of the USB mass storage class related macros (ie. USB_SC_ for subclass and USB_PR_ for class). Signed-off-by: Michal Nazarewicz <mina86@mina86.com> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Matthew Wilcox <willy@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | USB: cdc.h: ncm: fix one more typoYauheni Kaliuta2010-10-221-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In usb_cdc_ncm_dpe32 the fields are 32 bit long and according to usb style (hungarian notation) should be called dwDatagramIndex and dwDatagramLength (see CDC NCM subclass spec, 3.3.2). Actually, they were called wDatagramIndex, wDatagramLength. Signed-off-by: Yauheni Kaliuta <yauheni.kaliuta@nokia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | USB: cdc.h: ncm: add missed constants and structuresYauheni Kaliuta2010-10-221-2/+55
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make a dedicated structure for datagram pointer entry. There is no explicit declaration in the spec, but it's used by the host implementation and makes the structure more clear. Add some missed constants from the spec Signed-off-by: Yauheni Kaliuta <yauheni.kaliuta@nokia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | Revert "USB: ncm: added ncm.h with auxiliary definitions"Yauheni Kaliuta2010-10-221-114/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 65e0b499105ec8ff3bc4ab7680873dec20127f9d. Since the host and gadget implementations are different, there is no common code for the file, remove for now. Signed-off-by: Yauheni Kaliuta <yauheni.kaliuta@nokia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | USB: cdc.h: ncm: typo and style fixesYauheni Kaliuta2010-10-221-10/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some typos were in the initial commit, make the spelling according to the spec. Add some more comments. Also change constant names according to the style of the rest of the file Signed-off-by: Yauheni Kaliuta <yauheni.kaliuta@nokia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | USB OTG Langwell: Update OTG Kconfig and driver version.Hao Wu2010-10-221-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch updated Kconfig for langwell otg transceiver driver. Add ipc driver(INTEL_SCU_IPC) as a dependency. Driver version is updated too. Signed-off-by: Hao Wu <hao.wu@intel.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | USB OTG: Add common data structure for Intel MID Platform (Langwell/Penwell)Hao Wu2010-10-221-0/+180
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds one new header file for the common data structure used in Intel Penwell/Langwell MID Platform OTG Transceiver drivers. After switched to the common data structure, Langwell/Penwell OTG Transceiver driver will provide an unified interface to host/client driver. Reported-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Hao Wu <hao.wu@intel.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | init.h: add some more documentation to __ref* tagsMichal Nazarewicz2010-10-221-3/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The __ref* tags may have been confusing for new kernel developers (I was confused by them for sure) so adding a few more sentences to comment to clear things up for people who see those for the first time. Signed-off-by: Michal Nazarewicz <m.nazarewicz@samsung.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | usb gadget: don't save bind callback in struct usb_configurationUwe Kleine-König2010-10-221-5/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The bind function is most of the time only called at init time so there is no need to save a pointer to it in the configuration structure. This fixes many section mismatches reported by modpost. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> [m.nazarewicz@samsung.com: updated for -next] Signed-off-by: Michał Nazarewicz <m.nazarewicz@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | usb gadget: don't save bind callback in struct usb_composite_driverMichal Nazarewicz2010-10-221-14/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The bind function is most of the time only called at init time so there is no need to save a pointer to it in the composite driver structure. This fixes many section mismatches reported by modpost. Signed-off-by: Michał Nazarewicz <m.nazarewicz@samsung.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | usb gadget: don't save bind callback in struct usb_gadget_driverUwe Kleine-König2010-10-221-12/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | To accomplish this the function to register a gadget driver takes the bind function as a second argument. To make things clearer rename the function to resemble platform_driver_probe. This fixes many section mismatches like WARNING: drivers/usb/gadget/g_printer.o(.data+0xc): Section mismatch in reference from the variable printer_driver to the function .init.text:printer_bind() The variable printer_driver references the function __init printer_bind() All callers are fixed. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> [m.nazarewicz@samsung.com: added dbgp] Signed-off-by: Michał Nazarewicz <m.nazarewicz@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | USB: gadget: composite: Better string override handlingMichal Nazarewicz2010-10-221-0/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The iManufatcurer, iProduct and iSerialNumber composite module parameters were only used when the gadget driver registers strings for manufacturer, product and serial number. If the gadget never bothered to set corresponding fields in USB device descriptors those module parameters are ignored. This commit makes the parameters work even if the strings ID have not been assigned. It also changes the way IDs are overridden -- what IDs are overridden is now saved in usb_composite_dev structure -- which makes it unnecessary to modify the string tables the way previous code did. The commit also adds a iProduct and iManufatcurer fields to the usb_composite_device structure. If they are set, appropriate strings are reserved and added to device descriptor. This makes it unnecessary for gadget drivers to maintain code for setting those. If iProduct is not set it defaults to usb_composite_device::name; if iManufatcurer is not set a default "<system> <release> with <gadget-name>" is used. The last thing is that if needs_serial field of usb_composite_device is set and user failed to provided iSerialNumber parameter a warning is issued. Signed-off-by: Michal Nazarewicz <m.nazarewicz@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | USB Gadget: Verify VBUS current before setting the device self-powered bitParirajan Muthalagu2010-10-221-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | Acked-by: David Brownell <dbrownell@users.sourceforge.net> Acked-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Praveena Nadahally <praveen.nadahally@stericsson.com> Signed-off-by: Parirajan Muthalagu <parirajan.muthalagu@stericsson.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | usb: Add Intel Langwell USB OTG Transceiver DriverHao Wu2010-10-221-0/+139
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds support for the USB transceiver driver in the Langwell chipset used on the Intel MID platforms. It folds up the original patch set which includes basic support for the device, PHY low power mode (Please notice that there is a limitation, after we drive VBus down, 2ms delay is required from SCU FW to sync up OTGSC register with USBCFG register), software timers (the hardware timers do not work in low power mode), HNP, SRP. Signed-off-by: Hao Wu <hao.wu@intel.com> Signed-off-by: Alek Du <alek.du@intel.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6Linus Torvalds2010-10-228-1/+39
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6: (49 commits) serial8250: ratelimit "too much work" error serial: bfin_sport_uart: speed up sport RX sample rate to be 3% faster serial: abstraction for 8250 legacy ports serial/imx: check that the buffer is non-empty before sending it out serial: mfd: add more baud rates support jsm: Remove the uart port on errors Alchemy: Add UART PM methods. 8250: allow platforms to override PM hook. altera_uart: Don't use plain integer as NULL pointer altera_uart: Fix missing prototype for registering an early console altera_uart: Fixup type usage of port flags altera_uart: Make it possible to use Altera UART and 8250 ports together altera_uart: Add support for different address strides altera_uart: Add support for getting mapbase and IRQ from resources altera_uart: Add support for polling mode (IRQ-less) serial: Factor out uart_poll_timeout() from 8250 driver serial: mark the 8250 driver as maintained serial: 8250: Don't delay after transmitter is ready. tty: MAINTAINERS: add drivers/serial/jsm/ as maintained driver vcs: invoke the vt update callback when /dev/vcs* is written to ...
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