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* NLS: improve UTF8 -> UTF16 string conversion routineAlan Stern2011-11-184-17/+44
| | | | | | | | | | | | | | | | | | | | The utf8s_to_utf16s conversion routine needs to be improved. Unlike its utf16s_to_utf8s sibling, it doesn't accept arguments specifying the maximum length of the output buffer or the endianness of its 16-bit output. This patch (as1501) adds the two missing arguments, and adjusts the only two places in the kernel where the function is called. A follow-on patch will add a third caller that does utilize the new capabilities. The two conversion routines are still annoyingly inconsistent in the way they handle invalid byte combinations. But that's a subject for a different patch. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> CC: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* OHCI: remove uses of hcd->stateAlan Stern2011-11-1814-49/+45Star
| | | | | | | | | This patch (as1500) removes all uses of the objectionable hcd->state variable from the ohci-hcd family of drivers. It is replaced by a private ohci->rh_state field, just as in uhci-hcd and ehci-hcd. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: serial: do not forward USB specific errors in writeJohan Hovold2011-11-151-0/+2
| | | | | | | | | | | | | Use usb_translate_errors() to map USB-specific errors to errors appropriate for user space (ENOMEM, ENODEV and EIO) in write. Currently almost all serial drivers simply forward error codes from the stack (e.g. from usb_submit_urb()), but these codes often have different meanings in user-space. Doing the mapping in usb-serial core simplifies driver code and allows for more consistent error reporting. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: serial: fix whitespace issuesJohan Hovold2011-11-151-8/+9
| | | | | | | Minor whitespace clean ups. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: oti6858: forward USB errors to USB serial coreJohan Hovold2011-11-151-1/+1
| | | | | | | Forward errors from usb_submit_urb in open. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: oti6858: remove dead codeJohan Hovold2011-11-151-12/+0Star
| | | | | | | | Remove code that was apparently copied from pl2303, disabled and then never used. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: iuu_phoenix: forward USB errors to USB serial coreJohan Hovold2011-11-151-2/+1Star
| | | | | | | Forward errors from usb_submit_urb in open. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: cp210x: forward USB errors to USB serial coreJohan Hovold2011-11-151-6/+13
| | | | | | | Make sure we forward all error codes (e.g. ENOMEM) to USB serial core. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: ch341: forward USB errors to USB serial coreJohan Hovold2011-11-151-1/+1
| | | | | | | | All error messages from stack in open are being forwarded except for one call to usb_submit_urb. Change this for consistency. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: serial: do not forward USB specific errors in openJohan Hovold2011-11-151-0/+4
| | | | | | | | | | | | | Use usb_translate_errors() to map USB-specific errors to errors appropriate for user space (ENOMEM, ENODEV and EIO) in open. Currently almost all serial drivers simply forward error codes from the stack (e.g. from usb_submit_urb()), but these codes often have different meanings in user-space. Doing the mapping in usb-serial core simplifies driver code and allows for more consistent error reporting. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: move usb_translate_errors to linux/usb.hJohan Hovold2011-11-152-14/+13Star
| | | | | | | | Move usb_translate_errors from usb core to linux/usb.h as it is meant to be accessed from drivers. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: serial: add support for multiple read urbsJohan Hovold2011-11-153-41/+101
| | | | | | | | | | Add support for multiple read urbs to generic read implementation. Use a static array of two read urbs for now which is enough to get a 50% throughput increase in one test setup. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: pl2303: use usb_serial_generic_openJohan Hovold2011-11-151-1/+1
| | | | | | | | Use generic open rather than calling usb_serial_submit_read_urb directly. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: pl2302: clean up error handling in openJohan Hovold2011-11-151-8/+7Star
| | | | | | | | Reorder urb submission and simply kill interrupt urb should read-urb submission fail (rather than calling close). Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: pl2303: return errors from usb_submit_urb in openJohan Hovold2011-11-151-2/+2
| | | | | | | Return errors from usb_submit_urb rather than EPROTO on errors in open. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: usb_debug: use process_read_urbJohan Hovold2011-11-151-4/+3Star
| | | | | | | | Use process_read_urb rather than read_bulk_callback for break processing. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: usb_debug: fix indentationJohan Hovold2011-11-151-3/+3
| | | | | | | Use tabs for indentation. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: serial: reuse generic write urb and bulk-out bufferJohan Hovold2011-11-151-19/+4Star
| | | | | | | | | Reuse first write urb and bulk-out buffer of the generic write implementation for drivers that rely on port->write_urb rather than allocating them separately. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: serial: remove unnecessary bulk-urb re-fillsJohan Hovold2011-11-154-40/+3Star
| | | | | | | | | | | Remove unnecessary re-fills of bulk urbs whose fields have not changed since port probe. Compile-only tested. Cc: Matthias Bruestle and Harald Welte <support@reiner-sct.com> Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: serial: remove unnecessary reinitialisations of urb fieldsJohan Hovold2011-11-152-7/+0Star
| | | | | | | | | | Remove unnecessary reinitialisations of completion and context fields of urbs. Compile-only tested. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: serial: remove unnecessary reinitialisations of urb->devJohan Hovold2011-11-1520-107/+8Star
| | | | | | | | | | | | | | | | Remove unnecessary reinitialisations of urb->dev before each submission, which were based on the (no longer valid) assumption that serial->dev will be set to NULL on close. Compile-only tested. Cc: Matthias Bruestle and Harald Welte <support@reiner-sct.com> Cc: Lonnie Mendez <dignome@gmail.com> Cc: Peter Berger <pberger@brimson.com> Cc: Al Borchers <alborchers@steinerpoint.com> Cc: Support Department <support@connecttech.com> Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: mos7720: remove unused codeJohan Hovold2011-11-151-3/+0Star
| | | | | | | Remove variable port0 from open as it is not used. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: mos7720: remove incorrect read-urb checkJohan Hovold2011-11-151-10/+0Star
| | | | | | | | | | Remove incorrect and unnecessary check for port->read_urb which is not set to NULL, contrary to what seems to be assumed, when urb is killed. Compile only-tested. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: serial: remove write_urb_busy field from usb_serial_portJohan Hovold2011-11-151-2/+0Star
| | | | | | | Remove no longer used write_urb_busy field from struct usb_serial_port. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: keyspan_pda: clean up write-urb busy handlingJohan Hovold2011-11-151-5/+5
| | | | | | | | | | Use port write_urbs_free mask rather than write_urb_busy field in struct serial_port. Compile-only tested. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: cyberjack: clean up write-urb busy handlingJohan Hovold2011-11-151-8/+4Star
| | | | | | | | | | | Use port write_urbs_free mask rather than write_urb_busy field in struct serial_port. Compile-only tested. Cc: Matthias Bruestle and Harald Welte <support@reiner-sct.com> Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: omninet: clean up write-urb busy handlingJohan Hovold2011-11-151-10/+4Star
| | | | | | | | | | Use port write_urbs_free mask rather than write_urb_busy field in struct serial_port. Compile-only tested. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: omninet: fix write_roomJohan Hovold2011-11-151-1/+1
| | | | | | | | | | | Fix regression introduced by commit 507ca9bc047666 ([PATCH] USB: add ability for usb-serial drivers to determine if their write urb is currently being used.) which inverted the logic in write_room so that it returns zero when the write urb is actually free. Signed-off-by: Johan Hovold <jhovold@gmail.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: serial: remove changelogs and old todo entriesJohan Hovold2011-11-1513-1340/+0Star
| | | | | | | | | | Remove remaining changelogs from file headers (can still be retrieved through git). Remove even older changelog entries stored in Changelog.history. Remove outdated todo entries from belkin_sa. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb: OHCI/EHCI-XLS: Use resource_size v3Thomas Meyer2011-11-152-2/+2
| | | | | | | | | | | Use resource_size function on resource object instead of explicit computation. The semantic patch that makes this change is available in scripts/coccinelle/api/resource_size.cocci. Signed-off-by: Thomas Meyer <thomas@m3y3r.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: Realtek cr: Use kmemdup rather than duplicating its implementationThomas Meyer2011-11-151-2/+1Star
| | | | | | | | | | Use kmemdup rather than duplicating its implementation The semantic patch that makes this change is available in scripts/coccinelle/api/memdup.cocci. Signed-off-by: Thomas Meyer <thomas@m3y3r.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb: storage: shuttle_usbat: fix sparse warningFelipe Balbi2011-11-151-1/+1
| | | | | | | | | | | Fix the following sparse warning: | drivers/usb/storage/shuttle_usbat.c:173:22: warning: | symbol 'usbat_usb_ids' was not declared. Should | it be static? Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb: storage: sddr55: fix sparse warningFelipe Balbi2011-11-151-1/+1
| | | | | | | | | | | Fix the following sparse warning: | drivers/usb/storage/sddr55.c:51:22: warning: symbol | 'sddr55_usb_ids' was not declared. Should it | be static? Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb: storage: sddr09: fix sparse warningFelipe Balbi2011-11-151-1/+1
| | | | | | | | | | | Fix the following sparse warning: | drivers/usb/storage/sddr09.c:74:22: warning: symbol | 'sddr09_usb_ids' was not declared. Should it | be static? Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb: storagE: realtek_cr: fix sparse warningsFelipe Balbi2011-11-151-6/+5Star
| | | | | | | | | | | | | | | | | | Fix the following sparse warnings: | drivers/usb/storage/realtek_cr.c:821:6: warning: symbol | 'rts51x_invoke_transport' was not declared. Should | it be static? | | drivers/usb/storage/realtek_cr.c:980:5: warning: symbol | 'realtek_cr_suspend' was not declared. Should it | be static? | | drivers/usb/storage/realtek_cr.c:518:23: warning: cast | truncates bits from constant value (fe47 becomes 47) Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb: storage: onetouch: fix sparse warningFelipe Balbi2011-11-151-1/+1
| | | | | | | | | | | Fix the following sparse warning: | drivers/usb/storage/onetouch.c:72:22: warning: symbol | 'onetouch_usb_ids' was not declared. Should it | be static? Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb: storage: karma: fix sparse warningFelipe Balbi2011-11-151-1/+1
| | | | | | | | | | | Fix the following sparse warning: | drivers/usb/storage/karma.c:62:22: warning: symbol | 'karma_usb_ids' was not declared. Should it | be static? Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb: storage: jumpshot: fix sparse warningFelipe Balbi2011-11-151-1/+1
| | | | | | | | | | | Fix the following sparse warning: | drivers/usb/storage/jumpshot.c:74:22: warning: symbol | 'jumpshot_usb_ids' was not declared. Should it | be static? Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb: storage: isd200: fix sparse warningFelipe Balbi2011-11-151-1/+1
| | | | | | | | | | | Fix the following sparse warning: | drivers/usb/storage/freecom.c:122:22: warning: symbol | 'freecom_usb_ids' was not declared. Should it | be static? Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb: storage: freecom: fix sparse warningFelipe Balbi2011-11-151-1/+1
| | | | | | | | | | | Fix the following sparse warning: | drivers/usb/storage/freecom.c:122:22: warning: symbol | 'freecom_usb_ids' was not declared. Should it | be static? Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb: storage: ene_ub6250: fix sparse warningsFelipe Balbi2011-11-151-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | Fix the following sparse warnings: | drivers/usb/storage/ene_ub6250.c:45:22: warning: symbol | 'ene_ub6250_usb_ids' was not declared. Should it | be static? | | drivers/usb/storage/ene_ub6250.c:780:5: warning: symbol | 'ms_lib_alloc_logicalmap' was not declared. Should it | be static? | | drivers/usb/storage/ene_ub6250.c:2251:5: warning: symbol | 'ms_scsi_irp' was not declared. Should it be static? | | drivers/usb/storage/ene_ub6250.c:638:29: warning: right shift by bigger | than source value | | drivers/usb/storage/ene_ub6250.c:639:29: warning: right shift by bigger | than source value Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb: storage: datafab: fix sparse warningFelipe Balbi2011-11-151-1/+1
| | | | | | | | | | | Fix the following sparse warning: | drivers/usb/storage/datafab.c:91:22: warning: symbol | 'datafab_usb_ids' was not declared. Should it | be static? Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb: storage: cypress: fix sparse warningFelipe Balbi2011-11-151-1/+1
| | | | | | | | | | | Fix the following sparse warning: | drivers/usb/storage/cypress_atacb.c:46:22: warning: | symbol 'cypress_usb_ids' was not declared. Should | it be static? Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb: storage: alauda: fix sparse warningsFelipe Balbi2011-11-151-1/+1
| | | | | | | | | | | Fix the following warning: | drivers/usb/storage/alauda.c:142:22: warning: symbol | 'alauda_usb_ids' was not declared. Should it | be static? Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: Add optional match for interface class to dynamic ID facilityJosua Dietze2011-11-152-1/+32
| | | | | | | | | | | | | | | | When adding the ID of a composite device dynamically to a driver, all hitherto unbound interfaces are bound to this driver regardless of their class, which may not be intended. The patch adds the option to tell the targeted interface class to a driver via the "new_id" attribute, in addition to the device ID. Also, it appends the ABI documentation accordingly. Example: $ echo "1234 2a2a ff" >/sys/bus/usb-serial/drivers/option1/new_id will bind only vendor-specific interfaces to the 3G driver. Signed-off-by: Josua Dietze <digidietze@draisberghof.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: ehci: report Data Buffer Error in debug modeVikram Pandita2011-11-151-0/+11
| | | | | | | | | | | | | | | | | | | | Data Buffer Error as per spec section 4.15.1.1.2 results when there is Underrun or Overrun condition. This error is considered non-fatal and never gets reported. Its a very good indication on things going wrong at system level, like running memory at much slower speed. This is a good error to flag allowing system level corrections. An issue was found with OMAP4460 board where DDR had to be run at full speed and this logging helped. Signed-off-by: Vikram Pandita <vikram.pandita@ti.com> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Vikram Pandita <vikram.pandita@ti.com> Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: serial: cp210x.c: add mark/space parityRoland Koebler2011-11-151-17/+22
| | | | | | | Add mark and space parity support. Signed-off-by: Roland Koebler <r.koebler@yahoo.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: Remove the SAW_IRQ hcd flagAlan Stern2011-11-157-41/+4Star
| | | | | | | | | | | | | | | The HCD_FLAG_SAW_IRQ flag was introduced in order to catch IRQ routing errors: If an URB was unlinked and the host controller hadn't gotten any IRQs, it seemed likely that the IRQs were directed to the wrong vector. This warning hasn't come up in many years, as far as I know; interrupt routing now seems to be well under control. Therefore there's no reason to keep the flag around any more. This patch (as1495) finally removes it. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: ehci-s5p: remove unnecessary header includesJingoo Han2011-11-151-2/+0Star
| | | | | | | Remove unnecessary headers from the file. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* Linux 3.2-rc1Linus Torvalds2011-11-081-3/+3
| | | | | | .. with new name. Because nothing says "really solid kernel release" like naming it after an extinct animal that just happened to be in the news lately.
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