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| | * | | | | usb: dwc3: Kconfig: allow all glues to build if COMPILE_TESTFelipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We shouldn't have any glue layer which doesn't compile everywhere. In order to make sure this is always the case, make sure COMPILE_TEST is properly added at dependency list of a config entry. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: dwc3: don't compile dwc3_trace() unless CONFIG_FTRACE=yFelipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We don't need dwc3_trace() unless we're building a kernel with CONFIG_FTRACE. This patch reduces dwc3.ko text size a bit while also removing overhead of dwc3_trace() calls. text data bss dec hex filename 50796 581 0 51377 c8b1 drivers/usb/dwc3/dwc3.o 43961 581 0 44542 adfe drivers/usb/dwc3/dwc3.o.patched Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: dwc3: gadget: offset Start Transfer latency for bulk EPsFelipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We can offset the latency of a full Start Transfer command - where we _must_ poll for its completion - to usb_ep_enable() time. This means that once requests start showing up from the gadget driver, we can rely on No Response Update Transfer command - where we don't need to poll for completion. This patch, starts implementing this method for Bulk endpoints, even though, technically, we could extend it to all other endpoints in future commits. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: dwc3: trace: pretty print high-bandwidth transfers tooFelipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In case of periodic transfers, let's pretty print the size field as a multiplier followed by length, such as : 3x 1024 instead of: 33555456 Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: gadget: udc: mv: remove unnecessary & operationFelipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that usb_endpoint_maxp() only returns the lowest 11 bits from wMaxPacketSize, we can remove the & operation from this driver. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: gadget: udc: fsl: remove unnecessary & operationFelipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that usb_endpoint_maxp() only returns the lowest 11 bits from wMaxPacketSize, we can remove the & operation from this driver. Cc: Li Yang <leoli@freescale.com> Cc: <linuxppc-dev@lists.ozlabs.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: ip: remove unnecessary & operationFelipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that usb_endpoint_maxp() only returns the lowest 11 bits from wMaxPacketSize, we can remove the & operation from this driver. Cc: Valentina Manea <valentina.manea.m@gmail.com> Cc: Shuah Khan <shuah@kernel.org> Cc: <linux-usb@vger.kernel.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: misc: usbtest: remove unnecessary & operationFelipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that usb_endpoint_maxp() only returns the lowest 11 bits from wMaxPacketSize, we can remove the & operation from this driver. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: gadget: udc: s3c2410: remove unnecessary & operationFelipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that usb_endpoint_maxp() only returns the lowest 11 bits from wMaxPacketSize, we can remove the & operation from this driver. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: gadget: udc: net2280: remove unnecessary & operationFelipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that usb_endpoint_maxp() only returns the lowest 11 bits from wMaxPacketSize, we can remove the & operation from this driver. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: gadget: udc: net2272: remove unnecessary & operationFelipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that usb_endpoint_maxp() only returns the lowest 11 bits from wMaxPacketSize, we can remove the & operation from this driver. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: gadget: udc: dummy: remove unnecessary & operationFelipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that usb_endpoint_maxp() only returns the lowest 11 bits from wMaxPacketSize, we can remove the & operation from this driver. Cc: Alan Stern <stern@rowland.harvard.edu> Cc: <linux-usb@vger.kernel.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: gadget: udc: bdc: remove unnecessary & operationFelipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that usb_endpoint_maxp() only returns the lowest 11 bits from wMaxPacketSize, we can remove the & operation from this driver. Cc: Ashwini Pahuja <ashwini.linux@gmail.com> Cc: <linux-usb@vger.kernel.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: gadget: udc: atmel: remove unnecessary & operationFelipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that usb_endpoint_maxp() only returns the lowest 11 bits from wMaxPacketSize, we can remove the & operation from this driver. Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Cc: <linux-usb@vger.kernel.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: gadget: composite: remove unnecessary & operationFelipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that usb_endpoint_maxp() only returns the lowest 11 bits from wMaxPacketSize, we can remove the & operation from this driver. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: host: ehci: remove unnecessary max_packet() macroFelipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that usb_endpoint_maxp() only returns the lowest 11 bits from wMaxPacketSize, we can remove this macro from the driver. Cc: Alan Stern <stern@rowland.harvard.edu> Cc: <linux-usb@vger.kernel.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: core: endpoint: remove unnecessary & operationFelipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that usb_endpoint_maxp() only returns the lowest 11 bits from wMaxPacketSize, we can remove the & operation from this driver. Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: core: devices: remove unnecessary & operationFelipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that usb_endpoint_maxp() only returns the lowest 11 bits from wMaxPacketSize, we can remove the & operation from this driver. Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: <linux-usb@vger.kernel.org> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: chipidea: udc: remove unnecessary & operationFelipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that usb_endpoint_maxp() only returns the lowest 11 bits from wMaxPacketSize, we can remove the & operation from this driver. Cc: Peter Chen <Peter.Chen@nxp.com> Cc: <linux-usb@vger.kernel.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: host: xhci: purge GET_MAX_PACKET()Felipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | usb_endpoint_maxp() is now returning maxpacket correctly - iow only bits 10:0. We can finaly remove XHCI's private GET_MAX_PACKET macro. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: musb: make use of new usb_endpoint_maxp_mult()Felipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We have introduced a helper to calculate multiplier value from wMaxPacketSize. Start using it. Cc: Bin Liu <b-liu@ti.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: misc: usbtest: make use of new usb_endpoint_maxp_mult()Felipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We have introduced a helper to calculate multiplier value from wMaxPacketSize. Start using it. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: host: xhci: make use of new usb_endpoint_maxp_mult()Felipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We have introduced a helper to calculate multiplier value from wMaxPacketSize. Start using it. Cc: Mathias Nyman <mathias.nyman@intel.com> Cc: <linux-usb@vger.kernel.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: host: ehci: make use of new usb_endpoint_maxp_mult()Felipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We have introduced a helper to calculate multiplier value from wMaxPacketSize. Start using it. Cc: Alan Stern <stern@rowland.harvard.edu> Cc: <linux-usb@vger.kernel.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: gadget: udc: mv_udc: make use of new usb_endpoint_maxp_mult()Felipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We have introduced a helper to calculate multiplier value from wMaxPacketSize. Start using it. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: gadget: udc: gr: make use of new usb_endpoint_maxp_mult()Felipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We have introduced a helper to calculate multiplier value from wMaxPacketSize. Start using it. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: gadget: udc: fusb300: make use of new usb_endpoint_maxp_mult()Felipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We have introduced a helper to calculate multiplier value from wMaxPacketSize. Start using it. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: gadget: udc: fsl: make use of new usb_endpoint_maxp_mult()Felipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We have introduced a helper to calculate multiplier value from wMaxPacketSize. Start using it. Cc: Li Yang <leoli@freescale.com> Cc: <linuxppc-dev@lists.ozlabs.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: gadget: udc: dummy: make use of new usb_endpoint_maxp_mult()Felipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We have introduced a helper to calculate multiplier value from wMaxPacketSize. Start using it. Cc: Alan Stern <stern@rowland.harvard.edu> Cc: <linux-usb@vger.kernel.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: gadget: udc: bdc: make use of new usb_endpoint_maxp_mult()Felipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We have introduced a helper to calculate multiplier value from wMaxPacketSize. Start using it. Cc: Ashwini Pahuja <ashwini.linux@gmail.com> Cc: <linux-usb@vger.kernel.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: gadget: udc: atmel: make use of new usb_endpoint_maxp_mult()Felipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We have introduced a helper to calculate multiplier value from wMaxPacketSize. Start using it. Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Cc: <linux-usb@vger.kernel.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: core: devices: make use of new usb_endpoint_maxp_mult()Felipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We have introduced a helper to calculate multiplier value from wMaxPacketSize. Start using it. Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: <linux-usb@vger.kernel.org> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: chipidea: udc: make use of new usb_endpoint_maxp_mult()Felipe Balbi2016-11-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We have introduced a helper to calculate multiplier value from wMaxPacketSize. Start using it. Acked-by: Peter Chen <Peter.Chen@nxp.com> Cc: <linux-usb@vger.kernel.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: dwc3: trace: print out ep0state also from XferCompleteFelipe Balbi2016-10-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With this extra piece of information, it will be easier to find mismatches between driver and HW. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: dwc3: debug: move dwc3_ep0_state_string() to debug.hFelipe Balbi2016-10-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We will be using dwc3_ep0_state_string() from within our tracepoints, so we need to move that helper to debug.h in order for it to be accessible. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: dwc3: gadget: remove redundant trace printsFelipe Balbi2016-10-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Removing some trace prints which were made redundant when we started decoding events and TRBs completely within their respective trace points. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: dwc3: debug: decode control endpoint phase tooFelipe Balbi2016-10-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | DWC3 can tell us which phase of a setup transfer we're getting into. Let's decode it from the event to make it easier to debug. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: dwc3: gadget: conditionally disable Link State change eventsFelipe Balbi2016-10-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Link State Change events are only needed for debugging and to apply certain workarounds on known errata. Let's save a few cycles by disabling these events completely on working revisions of the core. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: dwc3: gadget: giveback request if we can't kick itFelipe Balbi2016-10-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There might be situations where a Start Transfer command might fail, if that ever happens, instead of simply removing the request from our list, we should give the request back to the gadget driver, otherwise we might eventually starve it from requests. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: dwc3: gadget: make use of No Response Update TransferFelipe Balbi2016-10-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | No Response Update Transfer is a special type of Update Transfer command which can be used whenever we're not relying on XferNotReady to prepare transfers. With this, we don't need to wait for CMDACT to be cleared and issue further commands to the endpoint straight away. Let's start using this version to skip the long-ish wait. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: dwc3: gadget: properly check ep cmdFelipe Balbi2016-10-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The cmd argument we pass to dwc3_send_gadget_ep_cmd() could contain extra arguments embedded. When checking for StartTransfer command, we need to make sure to match only lower 4 bits which contain the actual command and ignore the rest. Reported-by: Janusz Dziedzic <januszx.dziedzic@intel.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: dwc3: gadget: set PCM1 field of isochronous-first TRBsFelipe Balbi2016-10-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In case of High-Speed, High-Bandwidth endpoints, we need to tell DWC3 that we have more than one packet per interval. We do that by setting PCM1 field of Isochronous-First TRB. Cc: <stable@vger.kernel.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: gadget: composite: always set ep->mult to a sensible valueFelipe Balbi2016-10-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ep->mult is supposed to be set to Isochronous and Interrupt Endapoint's multiplier value. This value is computed from different places depending on the link speed. If we're dealing with HighSpeed, then it's part of bits [12:11] of wMaxPacketSize. This case wasn't taken into consideration before. While at that, also make sure the ep->mult defaults to one so drivers can use it unconditionally and assume they'll never multiply ep->maxpacket to zero. Cc: <stable@vger.kernel.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| | * | | | | usb: gadget: composite: correctly initialize ep->maxpacketFelipe Balbi2016-10-31
| | | |_|_|/ | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | usb_endpoint_maxp() returns wMaxPacketSize in its raw form. Without taking into consideration that it also contains other bits reserved for isochronous endpoints. This patch fixes one occasion where this is a problem by making sure that we initialize ep->maxpacket only with lower 10 bits of the value returned by usb_endpoint_maxp(). Note that seperate patches will be necessary to audit all call sites of usb_endpoint_maxp() and make sure that usb_endpoint_maxp() only returns lower 10 bits of wMaxPacketSize. Cc: <stable@vger.kernel.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| * | | | | usb: hub: Fix auto-remount of safely removed or ejected USB-3 devicesMathias Nyman2016-11-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | USB-3 does not have any link state that will avoid negotiating a connection with a plugged-in cable but will signal the host when the cable is unplugged. For USB-3 we used to first set the link to Disabled, then to RxDdetect to be able to detect cable connects or disconnects. But in RxDetect the connected device is detected again and eventually enabled. Instead set the link into U3 and disable remote wakeups for the device. This is what Windows does, and what Alan Stern suggested. Cc: stable@vger.kernel.org Cc: Alan Stern <stern@rowland.harvard.edu> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | | | | usb: xhci-mem: use passed in GFP flags instead of GFP_KERNELDan Carpenter2016-11-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We normally use the passed in gfp flags for allocations, it's just these two which were missed. Fixes: 22d45f01a836 ("usb/xhci: replace pci_*_consistent() with dma_*_coherent()") Cc: Mathias Nyman <mathias.nyman@intel.com> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | | | | usb: mtu3: declare functions staticSudip Mukherjee2016-11-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The only user of the functions mtu3_irq() and gpd_ring_empty() are in the same file. They can be declared as static. Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk> Acked-by: Chunfeng Yun <chunfeng.yun@mediatek.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | | | | usb: xhci: move slot_id from xhci_hcd to xhci_command structureLu Baolu2016-11-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | xhci->slot_id is used for providing a way to pass slot id from the command completion handler to the function waiting for completion. It's shared by enumerations of all USB devices connected to an xhci host. Hence, it's a source for possible races. Since we've introduced command structure and the command queue to xhci driver. It's better to move slot_id from xhci_hcd structure to xhci_command structure. Hence the race source is removed. Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | | | | usb: xhci: remove the use of xhci->addr_devLu Baolu2016-11-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | xhci->addr_dev is used for the completion of both address device and enable slot commands. It's shared by enumerations of all USB devices connected to an xhci host. Hence, it's just a source for possible races. Since we've introduced command structure and the command queue to xhci driver. It is time to get rid of addr_dev and use the completion in the command structure instead. Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | | | | usb: xhci: cleanup cmd_completion in xhci_virt_deviceLu Baolu2016-11-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | cmd_completion in struct xhci_virt_device is legacy. With command structure and command queue introduced in xhci, cmd_completion is not used any more. This patch removes it. Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
generated by cgit v1.2.2 (git 2.25.0) at 2025-07-25 00:59:41 -0400