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2016-11-03usb: dwc3: core: introduce dwc3_core_setup_global_control()Felipe Balbi
This little helper will be used to setup anything related to GCTL register. There are no functional changes, this is a cleanup only patch. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-11-03usb: dwc3: core: introduce dwc3_core_is_valid()Felipe Balbi
This little helper will be used to make sure we're dealing with a valid Synopsys DWC3 or DWC3.1 core. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-11-03usb: dwc3: Add support for device L1 exitJohn Youn
For the usb31 IP and from version 2.90a of the usb3 IP, the core supports HW exit from L1 in HS. Enable it, otherwise the controller may never exit from LPM to do a transfer. Signed-off-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-11-03usb: dwc3: remove unused struct member dwc3->memLu Baolu
Member @mem in struct dwc3 is not used in any places. Clean up it. Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-11-03usb: dwc3: gadget: never ever kill the machineFelipe Balbi
We should never kill the machine just because some USB endpoint type is wrong. WARN about it and move on. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-11-03usb: dwc3: gadget: only interrupt on short if short_not_ok is setFelipe Balbi
We don't need to know about short packets unless gadget driver told us it's not ok to see them on the bus. In the normal situation we can continue processing the list of requests if we get a Short packet. Also, note that we're making sure ISP is only set for OUT endpoints, where that setting is valid. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-11-03usb: dwc3: gadget: CSP is only valid for OUT endpointsFelipe Balbi
CSP bit is only valid for OUT endpoints. Synopsys databook is unclear if HW ignores CSP for IN endpoints (chances are, it does) but to avoid problems, let's make sure to set CSP only when valid to do so. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-11-03usb: dwc3: gadget: remove unused 'first_trb_index'Felipe Balbi
Recent changes have turned this field obsolete. Remove it. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-11-03usb: dwc3: ep0: simplify dwc3_ep0_handle_feature()Felipe Balbi
By extracting smaller functions from dwc3_ep0_handle_feature(), it becomes far easier to understand what's going on. Cleanup only, no functional changes. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-11-03usb: dwc3: host: extract dwc3_host_get_irq()Felipe Balbi
Cleanup only, no functional changes. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-11-03usb: dwc3: gadget: extract dwc3_gadget_get_irq()Felipe Balbi
Cleanup only, no functional changes. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-11-03usb: dwc3: trace: add a proper tracepoint for reg accessorsFelipe Balbi
We want to reduce the usage of dwc3_trace() in favor of proper tracepoints which can be enabled/disabled by the user. Let's start with our register accessors. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-11-03usb: dwc3: Kconfig: allow all glues to build if COMPILE_TESTFelipe Balbi
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>
2016-11-03usb: dwc3: don't compile dwc3_trace() unless CONFIG_FTRACE=yFelipe Balbi
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>
2016-11-03usb: dwc3: gadget: offset Start Transfer latency for bulk EPsFelipe Balbi
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>
2016-11-03usb: dwc3: trace: pretty print high-bandwidth transfers tooFelipe Balbi
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>
2016-11-03usb: gadget: udc: mv: remove unnecessary & operationFelipe Balbi
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>
2016-11-03usb: gadget: udc: fsl: remove unnecessary & operationFelipe Balbi
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>
2016-11-03usb: ip: remove unnecessary & operationFelipe Balbi
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>
2016-11-03usb: misc: usbtest: remove unnecessary & operationFelipe Balbi
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>
2016-11-03usb: gadget: udc: s3c2410: remove unnecessary & operationFelipe Balbi
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>
2016-11-03usb: gadget: udc: net2280: remove unnecessary & operationFelipe Balbi
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>
2016-11-03usb: gadget: udc: net2272: remove unnecessary & operationFelipe Balbi
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>
2016-11-03usb: gadget: udc: dummy: remove unnecessary & operationFelipe Balbi
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>
2016-11-03usb: gadget: udc: bdc: remove unnecessary & operationFelipe Balbi
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>
2016-11-03usb: gadget: udc: atmel: remove unnecessary & operationFelipe Balbi
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>
2016-11-03usb: gadget: composite: remove unnecessary & operationFelipe Balbi
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>
2016-11-03usb: host: ehci: remove unnecessary max_packet() macroFelipe Balbi
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>
2016-11-03usb: core: endpoint: remove unnecessary & operationFelipe Balbi
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>
2016-11-03usb: core: devices: remove unnecessary & operationFelipe Balbi
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>
2016-11-03usb: chipidea: udc: remove unnecessary & operationFelipe Balbi
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>
2016-11-03media: usb: uvc: remove unnecessary & operationFelipe Balbi
Now that usb_endpoint_maxp() only returns the lowest 11 bits from wMaxPacketSize, we can remove the & operation from this driver. Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: <linux-media@vger.kernel.org> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-11-03usb: host: xhci: purge GET_MAX_PACKET()Felipe Balbi
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>
2016-11-03usb: musb: make use of new usb_endpoint_maxp_mult()Felipe Balbi
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>
2016-11-03usb: misc: usbtest: make use of new usb_endpoint_maxp_mult()Felipe Balbi
We have introduced a helper to calculate multiplier value from wMaxPacketSize. Start using it. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-11-03usb: host: xhci: make use of new usb_endpoint_maxp_mult()Felipe Balbi
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>
2016-11-03usb: host: ehci: make use of new usb_endpoint_maxp_mult()Felipe Balbi
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>
2016-11-03usb: gadget: udc: mv_udc: make use of new usb_endpoint_maxp_mult()Felipe Balbi
We have introduced a helper to calculate multiplier value from wMaxPacketSize. Start using it. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-11-03usb: gadget: udc: gr: make use of new usb_endpoint_maxp_mult()Felipe Balbi
We have introduced a helper to calculate multiplier value from wMaxPacketSize. Start using it. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-11-03usb: gadget: udc: fusb300: make use of new usb_endpoint_maxp_mult()Felipe Balbi
We have introduced a helper to calculate multiplier value from wMaxPacketSize. Start using it. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-11-03usb: gadget: udc: fsl: make use of new usb_endpoint_maxp_mult()Felipe Balbi
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>
2016-11-03usb: gadget: udc: dummy: make use of new usb_endpoint_maxp_mult()Felipe Balbi
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>
2016-11-03usb: gadget: udc: bdc: make use of new usb_endpoint_maxp_mult()Felipe Balbi
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>
2016-11-03usb: gadget: udc: atmel: make use of new usb_endpoint_maxp_mult()Felipe Balbi
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>
2016-11-03usb: core: devices: make use of new usb_endpoint_maxp_mult()Felipe Balbi
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>
2016-11-03usb: chipidea: udc: make use of new usb_endpoint_maxp_mult()Felipe Balbi
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>
2016-11-01media: usb: uvc: make use of new usb_endpoint_maxp_mult()Felipe Balbi
We have introduced a helper to calculate multiplier value from wMaxPacketSize. Start using it. Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: <linux-media@vger.kernel.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-10-31media: usbtv: core: make use of new usb_endpoint_maxp_mult()Felipe Balbi
We have introduced a helper to calculate multiplier value from wMaxPacketSize. Start using it. Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: <linux-media@vger.kernel.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-10-31usb: dwc3: trace: print out ep0state also from XferCompleteFelipe Balbi
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>
2016-10-31usb: dwc3: debug: move dwc3_ep0_state_string() to debug.hFelipe Balbi
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>
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