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path: root/drivers/usb/host/whci/hcd.c
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2016-04-26usb: hcd: do not call whc_clean_up on wch_init call failureColin Ian King
whc_init already calls whc_clean_up if an error occurs during the initialization, so calling it again if whc_init fails at the end of wch_probe will cause double free errors. Fix this by bailing out on an whc_init failure to a new label that avoids doing the duplicated whc_clean_up. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-03-18USB: whci-hcd: Delete an unnecessary check before the function call ↵Markus Elfring
"usb_put_hcd" The usb_put_hcd() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-08usb: hcd: move controller wakeup setting initialization to individual driverPeter Chen
Individual controller driver has different requirement for wakeup setting, so move it from core to itself. In order to align with current etting the default wakeup setting is enabled (except for chipidea host). Pass compile test with below commands: make O=outout/all allmodconfig make -j$CPU_NUM O=outout/all drivers/usb Signed-off-by: Peter Chen <peter.chen@freescale.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-10-11usb: Remove unnecessary semicolonsJoe Perches
These aren't necessary after switch and if blocks. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-06-06wusbhc: disable suspend and resume on the root hub.Thomas Pugliese
Suspend and resume are not currently supported on the wireless root hub. Remove the suspend and resume op functions in the host controller driver to avoid constant error messages in the system log. Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-08-15USB: whci-hcd: fix NULL dereference on allocation failureDan Carpenter
If usb_create_hcd() fails here then we dereference "whc" inside the call to whc_clean_up() before it has been set. The compiler would have warned about this if we hadn't initialized all the pointers to NULL at the start of the function. I've cleaned that up as well. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2011-10-31usb: Add module.h to drivers/usb consumers who really use it.Paul Gortmaker
The situation up to this point meant that module.h was pretty much everywhere, regardless of whether you asked for it or not. We are fixing that, so give the USB folks who want it an actual include of it. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2010-12-10USB: whci-hcd: fix compiler warningNamhyung Kim
Annotate whci_hcd_id_table as '__used' to fix following warning: CC drivers/usb/host/whci/hcd.o drivers/usb/host/whci/hcd.c:359: warning: ‘whci_hcd_id_table’ defined but not used Signed-off-by: Namhyung Kim <namhyung@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10USB: convert usb_hcd bitfields into atomic flagsAlan Stern
This patch (as1393) converts several of the single-bit fields in struct usb_hcd to atomic flags. This is for safety's sake; not all CPUs can update bitfield values atomically, and these flags are used in multiple contexts. The flag fields that are set only during registration or removal can remain as they are, since non-atomic accesses at those times will not cause any problems. (Strictly speaking, the authorized_default flag should become atomic as well. I didn't bother with it because it gets changed only via sysfs. It can be done later, if anyone wants.) Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-12-11USB: whci-hcd: support urbs with scatter-gather listsDavid Vrabel
Support urbs with scatter-gather lists by trying to fit sg list elements into page lists in one or more qTDs. qTDs must end on a wMaxPacketSize boundary so if this isn't possible the urb's sg list must be copied into bounce buffers. Signed-off-by: David Vrabel <david.vrabel@csr.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-09-23USB: whci-hcd: make endpoint_reset method asyncDavid Vrabel
usb_hcd_endpoint_reset() may be called in atomic context and must not sleep. So make whci-hcd's endpoint_reset() asynchronous. URBs submitted while the reset is in progress will be queued (on the std list) and transfers will resume once the reset is complete. Signed-off-by: David Vrabel <david.vrabel@csr.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-04-17USB: whci-hcd: provide a endpoint_reset methodDavid Vrabel
Provide a endpoint_reset method to reset sequence number and current window. This QHead information can only be changed while the qset is not in a schedule. Signed-off-by: David Vrabel <david.vrabel@csr.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-26wusb: add debug files for ASL, PZL and DI to the whci-hcd driverDavid Vrabel
Add asl, pzl and di debugfs files to uwb/uwbN/wusbhc for WHCI host controller. These dump the current ASL, PZL and DI buffer. Signed-off-by: David Vrabel <david.vrabel@csr.com>
2008-11-19uwb: add basic radio managerDavid Vrabel
The UWB radio manager coordinates the use of the radio between the PALs that may be using it. PALs request use of the radio with uwb_radio_start() and the radio manager will start beaconing if its not already doing so. When the last PAL has called uwb_radio_stop() beaconing will be stopped. In the future, the radio manager will have a more sophisticated channel selection algorithm, probably following the Channel Selection Policy from the WiMedia Alliance when it is finalized. For now, channel 9 (BG1, TFC1) is selected. The user may override the channel selected by the radio manager and may force the radio to stop beaconing. The WUSB Host Controller PAL makes use of this and there are two new debug PAL commands that can be used for testing. Signed-off-by: David Vrabel <david.vrabel@csr.com>
2008-10-31wusb: remove unused #include <version.h>Huang Weiyi
The file(s) below do not use LINUX_VERSION_CODE nor KERNEL_VERSION. drivers/usb/host/hwa-hc.c drivers/usb/host/whci/hcd.c drivers/usb/host/whci/int.c drivers/usb/host/whci/wusb.c drivers/usb/wusbcore/cbaf.c This patch removes the said #include <version.h>. Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Signed-off-by: David Vrabel <david.vrabel@csr.com>
2008-09-17wusb: WHCI host controller driverDavid Vrabel
A driver for Wireless USB host controllers that comply with the Wireless Host Controller Interface (HCI) specification as published by Intel. The latest publically available version of the specification (0.95) is supported (except for isochronous transfers). Build fixes by Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: David Vrabel <david.vrabel@csr.com>