On 02/04/2016 05:43 AM, Greg Kroah-Hartman wrote: > On Tue, Feb 02, 2016 at 10:34:34PM +0800, Lu Baolu wrote: >> >> On 01/26/2016 08:58 PM, Lu Baolu wrote: >>> Hi, >>> >>> This patch series adds support for early printk through USB3 debug port. >>> USB3 debug port is described in xHCI specification as an optional extended >>> capability. >>> >>> Patch 1 to 9 add the driver for xHCI debug capability. It interfaces with >>> the register set and provides the required ops (read/write/control) to upper >>> layers. Early printk is one consumer of these ops. The hooks for early printk >>> are introduced in patch 8. This design is similar to what we have done in >>> drivers/usb/early/ehci-dbgp.c. >>> >>> Patch 10 is the design document and user guide. >>> >>> Change log: >>> v1->v2: >>> (1) Patch 1 re-implemented. "debugfs" has been replaced with sysfs. >>> The scope reduced from all extended capabilities to debug port >>> specific. >>> (2) Patch 11 changed. Removed unnecessary .bulk_out_size setting. >>> >>> v2->v3: >>> (1) Patch 11 got acked by Johan Hovold. >>> >>> v3->v4: >>> (1) Patch 1 code refactored by using xhci_find_ext_cap_by_id() helper. >>> (2) Patch 3 "bus hung state" changed to "port hung state" in commit message. >>> (3) Patch 12 added verified platform information. >>> >>> v4->v5: >>> (1) Patch 1 & 3 code refactored by using xhci_find_next_ext_cap() helper. >>> (2) Patch 12 updated with more user guide information. >>> (3) All patches rebased to the new usb-next branch which contains commit >>> d5ddcdf(xhci: rework xhci extended capability list parsing functions). >>> >>> v5->v6: >>> (1) refresh the patches against 4.5-rc1. >>> (2) change "usb: xhci: dbc" to "usb: dbc" in the patch titles as they >>> are not part of xhci driver. >>> >>> v6->v7: >>> (1) two patches removed from the patch series. One belongs to xHCI host >>> controller driver, and another belongs to usb/serial. >>> (2) add fix for 0-DAY kernel test warning: >>> drivers/usb/early/xhci-dbc.c:917:6-10: WARNING: >>> Unsigned expression compared with zero: size > 0 >>> (3) add fix for 0-DAY kernel test error: >>> arch/x86/built-in.o: In function `setup_early_printk': >>> early_printk.c:(.init.text+0xceba): undefined reference to `early_xdbc_init' >>> early_printk.c:(.init.text+0xcec8): undefined reference to `early_xdbc_console' >>> >>> Lu Baolu (10): >>> x86: fixmap: add permanent fixmap for xhci debug port >>> usb: dbc: probe and setup xhci debug capability >>> usb: dbc: add support for Intel xHCI dbc quirk >>> usb: dbc: add debug buffer >>> usb: dbc: add bulk out and bulk in interfaces >>> usb: dbc: handle dbc-configured exit >>> usb: dbc: handle endpoint stall >>> x86: early_printk: add USB3 debug port earlyprintk support >>> usb: dbc: add handshake between debug target and host >>> usb: doc: add document for xHCI DbC driver >> Hi Greg, >> >> I removed two patches from this series which belong to usb/xhci and usb/serial. >> The remaining patches are all for usb3 debug port driver. Will you queue this >> for usb-next? Or, do you want me to do anything else? > Given that these are touching xhci code, in a way, I need an > ack from the XHCI maintainer before I can do anything with them, as I > can't test them myself. Okay, I will check with the xHCI maintainer. Thanks, Baolu > -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
