Re: [PATCH v3 5/6] usb:cdns3 Add Cadence USB3 DRD Driver

From: Greg KH
Date: Mon Feb 04 2019 - 06:48:46 EST


On Thu, Jan 31, 2019 at 11:52:32AM +0000, Pawel Laszczak wrote:
> This patch introduce new Cadence USBSS DRD driver
> to linux kernel.
>
> The Cadence USBSS DRD Driver is a highly
> configurable IP Core which can be
> instantiated as Dual-Role Device (DRD),
> Peripheral Only and Host Only (XHCI)
> configurations.
>
> The current driver has been validated with
> FPGA burned. We have support for PCIe
> bus, which is used on FPGA prototyping.
>
> The host side of USBSS-DRD controller is compliance
> with XHCI specification, so it works with
> standard XHCI linux driver.

Please line-wrap this properly at 72 columns, like your editor asks you
to when you run git :)

>
> Signed-off-by: Pawel Laszczak <pawell@xxxxxxxxxxx>
> ---
> drivers/usb/Kconfig | 2 +
> drivers/usb/Makefile | 2 +
> drivers/usb/cdns3/Kconfig | 44 +
> drivers/usb/cdns3/Makefile | 14 +
> drivers/usb/cdns3/cdns3-pci-wrap.c | 155 +++
> drivers/usb/cdns3/core.c | 403 ++++++
> drivers/usb/cdns3/core.h | 116 ++
> drivers/usb/cdns3/debug.h | 168 +++
> drivers/usb/cdns3/debugfs.c | 164 +++
> drivers/usb/cdns3/drd.c | 365 +++++
> drivers/usb/cdns3/drd.h | 162 +++
> drivers/usb/cdns3/ep0.c | 907 +++++++++++++
> drivers/usb/cdns3/gadget-export.h | 28 +
> drivers/usb/cdns3/gadget.c | 1985 ++++++++++++++++++++++++++++
> drivers/usb/cdns3/gadget.h | 1207 +++++++++++++++++
> drivers/usb/cdns3/host-export.h | 28 +
> drivers/usb/cdns3/host.c | 72 +
> drivers/usb/cdns3/trace.c | 23 +
> drivers/usb/cdns3/trace.h | 404 ++++++
> 19 files changed, 6249 insertions(+)
> create mode 100644 drivers/usb/cdns3/Kconfig
> create mode 100644 drivers/usb/cdns3/Makefile
> create mode 100644 drivers/usb/cdns3/cdns3-pci-wrap.c
> create mode 100644 drivers/usb/cdns3/core.c
> create mode 100644 drivers/usb/cdns3/core.h
> create mode 100644 drivers/usb/cdns3/debug.h
> create mode 100644 drivers/usb/cdns3/debugfs.c
> create mode 100644 drivers/usb/cdns3/drd.c
> create mode 100644 drivers/usb/cdns3/drd.h
> create mode 100644 drivers/usb/cdns3/ep0.c
> create mode 100644 drivers/usb/cdns3/gadget-export.h
> create mode 100644 drivers/usb/cdns3/gadget.c
> create mode 100644 drivers/usb/cdns3/gadget.h
> create mode 100644 drivers/usb/cdns3/host-export.h
> create mode 100644 drivers/usb/cdns3/host.c
> create mode 100644 drivers/usb/cdns3/trace.c
> create mode 100644 drivers/usb/cdns3/trace.h

This is way too big to try to review all at once. You need to break
this up into logical chunks, each one adding a single functionality to
make it possible to actually review it.

thanks,

greg k-h