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According to (badf6d47f8a9 "usb: common: rework CONFIG_USB_COMMON logic")
we should select USB_COMMON at Kconfig when usb common stuffs are needed,
but some of Kconfig enties have not followed it, update them.
Cc: Felipe Balbi <balbi@kernel.org>
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Modification to Kconfig, vhci_hc.c, vhci.h and vhci_sysfs.c.
1. kernel config
Followings are added.
USBIP_VHCI_HC_PORTS: Number of ports per USB/IP virtual host
controller. The default is 8 - same as current VHCI_NPORTS.
USBIP_VHCI_NR_HCS: Number of USB/IP virtual host controllers. The
default is 1. This paratmeter is replaced with USBIP_VHCI_INIT_HCS and
USBIP_VHCI_MAX_HCS included in succeeding dynamic extension patch.
2. the_controller to controllers
the_controller is changed to vhci_pdevs: array of struct
platform_device.
3. vhci_sysfs.c
Sysfs structure is changed as following.
BEFORE:
/sys/devices/platform
+-- vhci
+-- status
+-- attach
+-- detach
+-- usbip_debug
AFTER: example for CONFIG_USBIP_NR_HCS=4
/sys/devices/platform
+-- vhci
| +-- nports
| +-- status
| +-- status.1
| +-- status.2
| +-- status.3
| +-- attach
| +-- detach
| +-- usbip_debug
+-- vhci.1
+-- vhci.2
+-- vhci.3
vhci[.N] is shown for each host controller kobj. vhch.1, vhci.2, ...
are shown only when CONFIG_USBIP_NR_HCS is more than 1. Only 'vhci'
(without number) has user space interfaces. 'nports' is newly added to
give ports-per-controller and number of controlles. Before that, number
of ports is acquired by reading status lines. Status is divided for
each controller to avoid page size (4KB) limitation.
Old userspace tool binaries work with the first status within the first
controller.
Inconsistency between status header and content is fixed.
4th and 5th column are
header: "dev bus"
content(unused): "000 000"
content(used): "%08x", devid
Only 1st and 2nd column are used by program. In old version, sscanf()
in parse_status expect no bus column. And bus_id string is shown in the
last column. Then bus in the header is removed and unused content is
replaced with 8 zeros. The sscanf() expects more than 5 columns and new
has 6 columns so there's no compatibility issue in this change.
Signed-off-by: Nobuo Iwata <nobuo.iwata@fujixerox.co.jp>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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With the addition of VUDC, the USBIP stack can now be used on
configurations without USB host support, but trying to build
it with USB gadget support disabled fails with
drivers/usb/built-in.o: In function `vep_dequeue':
vudc_main.c:(.text+0xa6ddc): undefined reference to `usb_gadget_giveback_request'
drivers/usb/built-in.o: In function `nuke':
vudc_main.c:(.text+0xa6ea8): undefined reference to `usb_gadget_giveback_request'
drivers/usb/built-in.o: In function `vudc_device_reset':
vudc_main.c:(.text+0xa720c): undefined reference to `usb_gadget_udc_reset'
drivers/usb/built-in.o: In function `vudc_probe':
This addresses both issues, by changing the dependency for USBIP_CORE
to USB_COMMON, and adding additional dependencies on USB or USB_GADGET
for the individual portions as needed.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 9360575c5837 ("usbip: vudc: Add vudc to Kconfig")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add the driver to Kconfig to make it visible in menuconfig
and allow people to compile it.
This commit is a result of cooperation between Samsung R&D Institute
Poland and Open Operating Systems Student Society at University
of Warsaw (O2S3@UW) consisting of:
Igor Kotrasinski <ikotrasinsk@gmail.com>
Karol Kosik <karo9@interia.eu>
Ewelina Kosmider <3w3lfin@gmail.com>
Dawid Lazarczyk <lazarczyk.dawid@gmail.com>
Piotr Szulc <ps347277@students.mimuw.edu.pl>
Tutor and project owner:
Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Igor Kotrasinski <i.kotrasinsk@samsung.com>
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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At this point, USB/IP kernel code is fully functional
and can be moved out of staging.
Signed-off-by: Valentina Manea <valentina.manea.m@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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