Re: [PATCH] phy: phy-samsung-usb2: Don't use same name for driver name and global structure

On Wed, Nov 12, 2014 at 3:54 PM, Vivek Gautam wrote: > Using the same driver name for platform driver and a globally defined, > structure used throughout the file, looks a bit unpleasing. > So changing the driver name from "samsung_usb2_phy_driver" to > "samsung_usb2_phy" > > Signed-off-by: Vivek

RE: Learning USB Programming on Linux

> > On Thu, Dec 11, 2014 at 10:54:13AM +0800, ivo welch wrote: > > thank you, greg. if linux-usb is the wrong starter, can you > > recommend some pointers to good starter documentation and books about > > writing user-space USB programs? (is it really "read the linux kernel > > source"??) >

Re: Learning USB Programming on Linux

On Thu, Dec 11, 2014 at 10:54:13AM +0800, ivo welch wrote: > thank you, greg. if linux-usb is the wrong starter, can you > recommend some pointers to good starter documentation and books about > writing user-space USB programs? (is it really "read the linux kernel > source"??) I don't know of a

Re: Learning USB Programming on Linux

thank you, greg. if linux-usb is the wrong starter, can you recommend some pointers to good starter documentation and books about writing user-space USB programs? (is it really "read the linux kernel source"??) Ivo Welch (ivo.we...@gmail.com) http://www.ivo-welch.info/ J. Fred Weston Prof

Re: Learning USB Programming on Linux

On Thu, Dec 11, 2014 at 10:09:00AM +0800, ivo welch wrote: > dear experts---I would like to learn how to write programs that > communicate over USB. both the host (desktop linux) and the client > (beaglebone black) are running linux. I can program both host and > gadget. ultimately, I will want

Learning USB Programming on Linux

dear experts---I would like to learn how to write programs that communicate over USB. both the host (desktop linux) and the client (beaglebone black) are running linux. I can program both host and gadget. ultimately, I will want to treat one USB port as a dedicated link between the two, without

Re: [PATCH] extcon: add MAX3355 driver

Hi Sergei, I reviewed this patch quickly. This driver has just two gpio without any registers for IP. I wonder whether MAX3355E is separate chip to detect external connector or just use gpio of AP. Could you send the datasheet of MAX3355E to me? Thanks, Chanwoo Choi On 12/11/2014 08:28 AM, Se

Re: UAS crash with Apricorn USB3 SATA bridge

On Wed, Dec 10, 2014 at 02:29:29AM -0800, Darrick J. Wong wrote: > On Wed, Dec 10, 2014 at 02:15:14AM -0800, Darrick J. Wong wrote: > > On Wed, Dec 10, 2014 at 01:04:58AM -0800, Darrick J. Wong wrote: > > > On Wed, Dec 10, 2014 at 09:19:04AM +0100, Hans de Goede wrote: > > > > Hi, > > > > > > > >

Re: [PATCH 1/2] usb: ohci-platform: add support for multiple phys per controller

On 14-12-05 01:28 PM, arun.ramamur...@broadcom.com wrote: From: Arun Ramamurthy Added support for cases where one controller is connected to multiple phys Signed-off-by: Arun Ramamurthy Reviewed-by: Ray Jui Reviewed-by: Scott Branden --- drivers/usb/host/ohci-platform.c | 70 +

[PATCH] extcon: add MAX3355 driver

MAX3355E chip integrates a charge pump and comparators to enable a system with an integrated USB OTG dual-role transceiver to function as a USB OTG dual-role device. In addition to sensing/controlling Vbus, the chip also passes thru the ID signal from the USB OTG connector. On some Renesas boards,

Re: [PATCH] usb: hcd: get/put device and hcd for hcd_buffers()

* 'Greg Kroah-Hartman' | 2014-12-09 11:54:15 [-0500]: >> You can unbind the HCD driver from the PCI-device via sysfs and this is >> not something not only a developer does. This "unbind" calls the remove >> function of the driver and the only difference between unbind and rmmod >> is that the modu

Re: VFS and LSM issues

On 12/09/2014 11:54 PM, Greg KH wrote: > On Mon, Dec 08, 2014 at 06:04:30PM +0100, Krzysztof Opasiak wrote: >> Dear All, >> >> I'm Krzysztof Opasiak from SRPOL (Samsung). I'm working on USB support >> in Tizen and mainline. In those works we use two Virtual File Systems >> - ConfigFS and FunctionFS

Re: VFS and LSM issues

On 12/08/2014 12:04 PM, Krzysztof Opasiak wrote: > Dear All, > > I'm Krzysztof Opasiak from SRPOL (Samsung). I'm working on USB support > in Tizen and mainline. In those works we use two Virtual File Systems > - ConfigFS and FunctionFS. Recently I have tried to use them with > SMACK and I ran into

Re: [PATCHv3 3/3] usb: gadget: uvc: configfs support in uvc function

Hi Andrzej, Thank you for the patch. On Wednesday 10 December 2014 12:34:02 Andrzej Pietrasiewicz wrote: > Add support for using the uvc function as a component of USB gadgets > composed with configfs. > > Signed-off-by: Andrzej Pietrasiewicz And now the moment you've been waiting for... Acke

RE: VFS and LSM issues

> -Original Message- > From: Greg KH [mailto:gre...@linuxfoundation.org] > Sent: Wednesday, December 10, 2014 5:54 AM > To: Krzysztof Opasiak > Cc: linux-usb@vger.kernel.org; linux-ker...@vger.kernel.org; linux- > security-mod...@vger.kernel.org; ca...@schaufler-ca.com; > jl...@evilplan.o

Re: ptp-gadget (by denx) on beaglebone black

W dniu 09.12.2014 o 04:47, ivo welch pisze: dear usb experts---per request in the readme file, I am asking the question here. I am trying to get a ptp-gadget device-side implementation of the Picture Transfer Protocol to work on a beaglebone black (AM335x), running debian 7.7. the hosts to us

Re: [PATCHv2 00/18] USB gadget functions testing

W dniu 10.12.2014 o 14:02, Andrzej Pietrasiewicz pisze: This series adds a documentation file whith a summary of how to do basic testing of functions provided by USB gadgets. It does not add any code. It documents what is already in the kernel tree. It is mostly a compilation of information from

Re: [PATCH] USB: serial: add nt124 usb to serial driver

On Mon, Dec 08, 2014 at 05:24:17PM -0600, George McCollister wrote: > This driver is for the NovaTech 124 4x serial expansion board for the > NovaTech OrionLXm. > > Firmware source code can be found here: > https://github.com/novatechweb/nt124 Great, and thanks for the patch! > Signed-off-by: Ge

[PATCHv2 09/18] Documentation: usb: MASS STORAGE function testing

Summary of how to test MASS STORAGE function of USB gadget. Signed-off-by: Andrzej Pietrasiewicz --- Documentation/usb/gadget-testing.txt | 54 1 file changed, 54 insertions(+) diff --git a/Documentation/usb/gadget-testing.txt b/Documentation/usb/gadget-tes

[PATCHv2 13/18] Documentation: usb: PHONET function testing

Summary of how to test PHONET function of USB gadget. Signed-off-by: Andrzej Pietrasiewicz --- Documentation/usb/gadget-testing.txt | 64 1 file changed, 64 insertions(+) diff --git a/Documentation/usb/gadget-testing.txt b/Documentation/usb/gadget-testing.t

[PATCHv2 16/18] Documentation: usb: SOURCESINK function testing

Summary of how to test SOURCESINK function of USB gadget. Signed-off-by: Andrzej Pietrasiewicz --- Documentation/usb/gadget-testing.txt | 27 +++ 1 file changed, 27 insertions(+) diff --git a/Documentation/usb/gadget-testing.txt b/Documentation/usb/gadget-testing.txt in

[PATCHv2 18/18] Documentation: usb: UAC2 function testing

Summary of how to test UAC2 function of USB gadget. Signed-off-by: Andrzej Pietrasiewicz --- Documentation/usb/gadget-testing.txt | 27 +++ 1 file changed, 27 insertions(+) diff --git a/Documentation/usb/gadget-testing.txt b/Documentation/usb/gadget-testing.txt index 40

[PATCHv2 10/18] Documentation: usb: MIDI function testing

Summary of how to test MIDI function of USB gadget. Signed-off-by: Andrzej Pietrasiewicz --- Documentation/usb/gadget-testing.txt | 84 1 file changed, 84 insertions(+) diff --git a/Documentation/usb/gadget-testing.txt b/Documentation/usb/gadget-testing.txt

[PATCHv2 06/18] Documentation: usb: FFS function testing

Summary of how to test FFS (FunctionFS) function of USB gadget. Signed-off-by: Andrzej Pietrasiewicz --- Documentation/usb/gadget-testing.txt | 24 1 file changed, 24 insertions(+) diff --git a/Documentation/usb/gadget-testing.txt b/Documentation/usb/gadget-testing.txt

[PATCHv2 17/18] Documentation: usb: UAC1 function testing

Summary of how to test UAC1 function of USB gadget. Signed-off-by: Andrzej Pietrasiewicz --- Documentation/usb/gadget-testing.txt | 27 +++ 1 file changed, 27 insertions(+) diff --git a/Documentation/usb/gadget-testing.txt b/Documentation/usb/gadget-testing.txt index 73

[PATCHv2 08/18] Documentation: usb: LOOPBACK function testing

Summary of how to test LOOPBACK function of USB gadget. Signed-off-by: Andrzej Pietrasiewicz --- Documentation/usb/gadget-testing.txt | 23 +++ 1 file changed, 23 insertions(+) diff --git a/Documentation/usb/gadget-testing.txt b/Documentation/usb/gadget-testing.txt index f1

[PATCHv2 11/18] Documentation: usb: NCM function testing

Summary of how to test NCM function of USB gadget. Signed-off-by: Andrzej Pietrasiewicz --- Documentation/usb/gadget-testing.txt | 34 ++ 1 file changed, 34 insertions(+) diff --git a/Documentation/usb/gadget-testing.txt b/Documentation/usb/gadget-testing.txt in

[PATCHv2 05/18] Documentation: usb: EEM function testing

Summary of how to test EEM function of USB gadget. Signed-off-by: Andrzej Pietrasiewicz --- Documentation/usb/gadget-testing.txt | 34 ++ 1 file changed, 34 insertions(+) diff --git a/Documentation/usb/gadget-testing.txt b/Documentation/usb/gadget-testing.txt in

[PATCHv2 14/18] Documentation: usb: RNDIS function testing

Summary of how to test RNDIS function of USB gadget. Signed-off-by: Andrzej Pietrasiewicz --- Documentation/usb/gadget-testing.txt | 36 1 file changed, 36 insertions(+) diff --git a/Documentation/usb/gadget-testing.txt b/Documentation/usb/gadget-testing.tx

[PATCHv2 12/18] Documentation: usb: OBEX function testing

Summary of how to test OBEX function of USB gadget. Signed-off-by: Andrzej Pietrasiewicz --- Documentation/usb/gadget-testing.txt | 29 + 1 file changed, 29 insertions(+) diff --git a/Documentation/usb/gadget-testing.txt b/Documentation/usb/gadget-testing.txt index

[PATCHv2 15/18] Documentation: usb: SERIAL function testing

Summary of how to test SERIAL function of USB gadget. Signed-off-by: Andrzej Pietrasiewicz --- Documentation/usb/gadget-testing.txt | 31 +++ 1 file changed, 31 insertions(+) diff --git a/Documentation/usb/gadget-testing.txt b/Documentation/usb/gadget-testing.txt in

[PATCHv2 07/18] Documentation: usb: HID function testing

Summary of how to test HID function of USB gadget. Signed-off-by: Andrzej Pietrasiewicz --- Documentation/usb/gadget-testing.txt | 47 1 file changed, 47 insertions(+) diff --git a/Documentation/usb/gadget-testing.txt b/Documentation/usb/gadget-testing.txt

[PATCHv2 03/18] Documentation: usb: ECM function testing

Summary of how to test ECM function of USB gadget. Signed-off-by: Andrzej Pietrasiewicz --- Documentation/usb/gadget-testing.txt | 34 ++ 1 file changed, 34 insertions(+) diff --git a/Documentation/usb/gadget-testing.txt b/Documentation/usb/gadget-testing.txt in

[PATCHv2 01/18] Documentation: usb: gadget_serial: update generic serial setup instruction

Using module parameters to specify accepted Vendor ID, Product ID is considered legacy now. Update the documentation to reflect it. Signed-off-by: Andrzej Pietrasiewicz --- Documentation/usb/gadget_serial.txt | 8 ++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/Documentati

[PATCHv2 04/18] Documentation: usb: ECM subset function testing

Summary of how to test ECM subset function of USB gadget. Signed-off-by: Andrzej Pietrasiewicz --- Documentation/usb/gadget-testing.txt | 34 ++ 1 file changed, 34 insertions(+) diff --git a/Documentation/usb/gadget-testing.txt b/Documentation/usb/gadget-testing

[PATCHv2 02/18] Documentation: usb: ACM function testing

The newly added file will be used to provide descriptions of how to test the functions of USB gadgets. Signed-off-by: Andrzej Pietrasiewicz --- Documentation/usb/gadget-testing.txt | 34 ++ 1 file changed, 34 insertions(+) create mode 100644 Documentation/usb/gad

[PATCHv2 00/18] USB gadget functions testing

This series adds a documentation file whith a summary of how to do basic testing of functions provided by USB gadgets. It does not add any code. It documents what is already in the kernel tree. It is mostly a compilation of information from my cover letters sent together with all series which conv

[PATCHv3 3/3] usb: gadget: uvc: configfs support in uvc function

Add support for using the uvc function as a component of USB gadgets composed with configfs. Signed-off-by: Andrzej Pietrasiewicz --- Documentation/ABI/testing/configfs-usb-gadget-uvc | 265 +++ drivers/usb/gadget/Kconfig| 11 + drivers/usb/gadget/function/Makefile

[PATCHv3 0/3] Equivalent of g_webcam with configfs.

This series aims at integrating configfs into uvc, the way it has been done for acm, ncm, ecm, eem, ecm subset, rndis, obex, phonet, mass_storage, FunctionFS, loopback, sourcesink, uac1, uac2, hid and midi. v1..v2: - sorted header fiels alphabetically - applied style corrections - factored out ver

[PATCHv3 1/3] usb: gadget: f_uvc: rename a macro to avoid conflicts

When configfs is integrated, CONFIGFS_ATTR_STRUCT and CONFIGFS_ATTR_OPS macros should be used, but the latter expects that tere is a to_f_uvc_opts function accepting a config_item, whereas the macro being changed can be applied to a different type of argument. Signed-off-by: Andrzej Pietrasiewicz

[PATCHv3 2/3] usb: gadget: uvc: verify descriptors presence

If the caller of uvc_alloc() does not provide enough descriptors, binding the function should fail, so appropriate code is returned from uvc_copy_descriptors(). uvc_function_bind() is modified accordingly to account for possible errors from uvc_copy_descriptors(). Signed-off-by: Andrzej Pietrasie

Re: [PATCH 2/2] usb: gadget: uvc: configfs support in uvc function

W dniu 07.12.2014 o 21:25, Laurent Pinchart pisze: Hi Andrzej, + mutex_lock(&opts->lock); What does the mutex protect against ? Modifications of opts-> uvc_*_streaming_cls by configfs ? You only copy pointers around, what prevents the descriptors from being modified after you unlock

[PATCH v5 3/5] usb: dwc2: add generic PHY framework support for dwc2 usb controler platform driver.

Get PHY parameters from devicetree and power off usb PHY during system suspend. Signed-off-by: Yunzhi Li Acked-by: Paul Zimmerman --- Changes in v5: None Changes in v4: None Changes in v3: - Fix coding style: both branches of the if() which only one branch of the conditional statement is a s

[PATCH v5 0/5] Patches to add support for Rockchip usb PHYs.

Patches to add support for Rockchip usb phys.Add a new Rockchip usb phy driver and modify dwc2 controller driver to make dwc2 platform devices support a generic PHY framework driver. This patch set has been tested on my rk3288-evb and power off the usb phys would reduce about 60mW power budget in

Re: UAS crash with Apricorn USB3 SATA bridge

On Wed, Dec 10, 2014 at 02:15:14AM -0800, Darrick J. Wong wrote: > On Wed, Dec 10, 2014 at 01:04:58AM -0800, Darrick J. Wong wrote: > > On Wed, Dec 10, 2014 at 09:19:04AM +0100, Hans de Goede wrote: > > > Hi, > > > > > > On 09-12-14 20:31, Darrick J. Wong wrote: > > > >Hi, > > > > > > > >I have an

Re: [PATCH 1/2] usb: chipidea: usbmisc: skip clocks on i.MX6

Hi Peter, Am Mittwoch, den 10.12.2014, 13:09 +0800 schrieb Peter Chen: > On Tue, Dec 09, 2014 at 05:13:35PM +0100, Philipp Zabel wrote: > > On i.MX6Q, the USBMISC registers are clocked by the IPG clock, > > so there is no need to enable USBOH3 for the USBMISC driver. > > Access the registers at u

Re: UAS crash with Apricorn USB3 SATA bridge

On Wed, Dec 10, 2014 at 01:04:58AM -0800, Darrick J. Wong wrote: > On Wed, Dec 10, 2014 at 09:19:04AM +0100, Hans de Goede wrote: > > Hi, > > > > On 09-12-14 20:31, Darrick J. Wong wrote: > > >Hi, > > > > > >I have an Apricorn USB 3 disk dongle thing that claims to support UAS. > > >However, the k

[PATCH 1/1] usb: chipidea: udc: return immediately if re-enable non-empty endpoint

Some gadget driver (like uac1) will try to enable endpoint again even the ep is not empty, it will cause the ep reset again and may affect the dTD list which has already queued. It returns -EBUSY immediately, and indicate the endpoint is in use. In this way, the ep's behavior will not be affected,

[PATCH 1/2] usb: gadget: f_uac1: configure endpoint before using it

From: Xuebing Wang UAC1 forget to do it. Signed-off-by: Xuebing Wang Signed-off-by: Peter Chen --- drivers/usb/gadget/function/f_uac1.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/gadget/function/f_uac1.c b/drivers/usb/gadget/function/f_uac1.c index 0827731..6cf5169 10064

[PATCH 2/2] usb: gadget: f_uac1: update Class-Specific AudioControl Interface Header Descriptor

From: Xuebing Wang Update this according to USB Audio Class 1.0 spec. This fixes the Windows 7 detection issue. Cc: Rafael Brune Signed-off-by: Xuebing Wang Signed-off-by: Fabio Estevam Signed-off-by: Peter Chen (Fixed some code style issues) Tested-by: Peter Chen --- drivers/usb/gadget/fu

Re: UAS crash with Apricorn USB3 SATA bridge

On Wed, Dec 10, 2014 at 09:19:04AM +0100, Hans de Goede wrote: > Hi, > > On 09-12-14 20:31, Darrick J. Wong wrote: > >Hi, > > > >I have an Apricorn USB 3 disk dongle thing that claims to support UAS. > >However, the kernel crashes when I plug it in[1]. > > Yes there are some known issues with uas

[PATCH 1/2] Documentation: dt-bindings: Add aliases information for Exynos7 pin controllers

Adding list of aliases for supported Exynos7 pin controller blocks. Signed-off-by: Vivek Gautam Cc: Tomasz Figa Cc: Linus Walleij --- .../devicetree/bindings/pinctrl/samsung-pinctrl.txt | 10 ++ 1 file changed, 10 insertions(+) diff --git a/Documentation/devicetree/bindings

[PATCH V3 2/2] pinctrl: exynos: Add BUS1 pin controller for exynos7

USB and Power regulator on Exynos7 require gpios available in BUS1 pin controller block. So adding the BUS1 pinctrl support. Signed-off-by: Naveen Krishna Ch Signed-off-by: Vivek Gautam Cc: Tomasz Figa Cc: Linus Walleij --- Changes since V2: - Added documentation on alias for BUS1 pin contro

Re: [PATCH V2 1/2] pinctrl: exynos: Add BUS1 pin controller for exynos7

Hi Tomasz, On Mon, Dec 1, 2014 at 9:37 PM, Tomasz Figa wrote: > Hi Vivek, > > Please see my comments below. > > 2014-11-24 22:02 GMT+09:00 Vivek Gautam : >> USB and Power regulator on Exynos7 require gpios available >> in BUS1 pin controller block. >> So adding the BUS1 pinctrl support. >> >> Si

Re: UAS crash with Apricorn USB3 SATA bridge

Hi, On 09-12-14 20:31, Darrick J. Wong wrote: Hi, I have an Apricorn USB 3 disk dongle thing that claims to support UAS. However, the kernel crashes when I plug it in[1]. Yes there are some known issues with uas error handling which are fixed in 3.18, can you try with a 3.18 kernel please ?