lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Fri,  9 Jan 2015 23:36:04 -0600
From:	Chris Rorvick <chris@...vick.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Chris Rorvick <chris@...vick.com>,
	Alexey Khoroshilov <khoroshilov@...ras.ru>,
	Davide Berardi <berardi.dav@...il.com>,
	devel@...verdev.osuosl.org,
	Fabian Mewes <architekt@...ing4coffee.org>,
	Gulsah Kose <gulsah.1004@...il.com>,
	Himangi Saraogi <himangi774@...il.com>,
	Jerry Snitselaar <dev@...tselaar.org>,
	L. Alberto Giménez <agimenez@...valve.es>,
	linux-kernel@...r.kernel.org, Mikhail Boiko <mm.boiko@...dex.ru>,
	Monam Agarwal <monamagarwal123@...il.com>,
	Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@...el.com>,
	Stefan Hajnoczi <stefanha@...il.com>,
	Takashi Iwai <tiwai@...e.de>
Subject: [PATCH 18/25] staging: line6: Move control endpoints to properties

The device type can now be used to determine the addresses of the
control endpoints for the interface.  Drop the conditional logic and
make these values properties.

Signed-off-by: Chris Rorvick <chris@...vick.com>
---
 drivers/staging/line6/driver.c | 73 +++++++++++++++++++++++++-----------------
 drivers/staging/line6/driver.h | 13 ++------
 drivers/staging/line6/midi.c   |  2 +-
 3 files changed, 48 insertions(+), 40 deletions(-)

diff --git a/drivers/staging/line6/driver.c b/drivers/staging/line6/driver.c
index 0150470..40ec57c 100644
--- a/drivers/staging/line6/driver.c
+++ b/drivers/staging/line6/driver.c
@@ -68,6 +68,8 @@ static const struct line6_properties line6_properties_table[] = {
 				| LINE6_CAP_PCM
 				| LINE6_CAP_HWMON,
 		.altsetting = 5,
+		.ep_ctrl_r = 0x84,
+		.ep_ctrl_w = 0x03,
 	},
 	[LINE6_BASSPODXTLIVE] = {
 		.id = "BassPODxtLive",
@@ -76,6 +78,8 @@ static const struct line6_properties line6_properties_table[] = {
 				| LINE6_CAP_PCM
 				| LINE6_CAP_HWMON,
 		.altsetting = 1,
+		.ep_ctrl_r = 0x84,
+		.ep_ctrl_w = 0x03,
 	},
 	[LINE6_BASSPODXTPRO] = {
 		.id = "BassPODxtPro",
@@ -84,18 +88,23 @@ static const struct line6_properties line6_properties_table[] = {
 				| LINE6_CAP_PCM
 				| LINE6_CAP_HWMON,
 		.altsetting = 5,
+		.ep_ctrl_r = 0x84,
+		.ep_ctrl_w = 0x03,
 	},
 	[LINE6_GUITARPORT] = {
 		.id = "GuitarPort",
 		.name = "GuitarPort",
 		.capabilities	= LINE6_CAP_PCM,
 		.altsetting = 2,  /* 1..4 seem to be ok */
+		/* no control channel */
 	},
 	[LINE6_POCKETPOD] = {
 		.id = "PocketPOD",
 		.name = "Pocket POD",
 		.capabilities	= LINE6_CAP_CONTROL,
 		.altsetting = 0,
+		.ep_ctrl_r = 0x82,
+		.ep_ctrl_w = 0x02,
 	},
 	[LINE6_PODHD300] = {
 		.id = "PODHD300",
@@ -104,6 +113,8 @@ static const struct line6_properties line6_properties_table[] = {
 				| LINE6_CAP_PCM
 				| LINE6_CAP_HWMON,
 		.altsetting = 5,
+		.ep_ctrl_r = 0x84,
+		.ep_ctrl_w = 0x03,
 	},
 	[LINE6_PODHD400] = {
 		.id = "PODHD400",
@@ -112,6 +123,8 @@ static const struct line6_properties line6_properties_table[] = {
 				| LINE6_CAP_PCM
 				| LINE6_CAP_HWMON,
 		.altsetting = 5,
+		.ep_ctrl_r = 0x84,
+		.ep_ctrl_w = 0x03,
 	},
 	[LINE6_PODHD500_0] = {
 		.id = "PODHD500",
@@ -120,6 +133,8 @@ static const struct line6_properties line6_properties_table[] = {
 				| LINE6_CAP_PCM
 				| LINE6_CAP_HWMON,
 		.altsetting = 1,
+		.ep_ctrl_r = 0x81,
+		.ep_ctrl_w = 0x01,
 	},
 	[LINE6_PODHD500_1] = {
 		.id = "PODHD500",
@@ -128,24 +143,29 @@ static const struct line6_properties line6_properties_table[] = {
 				| LINE6_CAP_PCM
 				| LINE6_CAP_HWMON,
 		.altsetting = 1,
+		.ep_ctrl_r = 0x81,
+		.ep_ctrl_w = 0x01,
 	},
 	[LINE6_PODSTUDIO_GX] = {
 		.id = "PODStudioGX",
 		.name = "POD Studio GX",
 		.capabilities	= LINE6_CAP_PCM,
 		.altsetting = 2,  /* 1..4 seem to be ok */
+		/* no control channel */
 	},
 	[LINE6_PODSTUDIO_UX1] = {
 		.id = "PODStudioUX1",
 		.name = "POD Studio UX1",
 		.capabilities	= LINE6_CAP_PCM,
 		.altsetting = 2,  /* 1..4 seem to be ok */
+		/* no control channel */
 	},
 	[LINE6_PODSTUDIO_UX2] = {
 		.id = "PODStudioUX2",
 		.name = "POD Studio UX2",
 		.capabilities	= LINE6_CAP_PCM,
 		.altsetting = 2,  /* defaults to 44.1kHz, 16-bit */
+		/* no control channel */
 	},
 	[LINE6_PODXT] = {
 		.id = "PODxt",
@@ -154,6 +174,8 @@ static const struct line6_properties line6_properties_table[] = {
 				| LINE6_CAP_PCM
 				| LINE6_CAP_HWMON,
 		.altsetting = 5,
+		.ep_ctrl_r = 0x84,
+		.ep_ctrl_w = 0x03,
 	},
 	[LINE6_PODXTLIVE_POD] = {
 		.id = "PODxtLive",
@@ -162,6 +184,8 @@ static const struct line6_properties line6_properties_table[] = {
 				| LINE6_CAP_PCM
 				| LINE6_CAP_HWMON,
 		.altsetting = 1,
+		.ep_ctrl_r = 0x84,
+		.ep_ctrl_w = 0x03,
 	},
 	[LINE6_PODXTLIVE_VARIAX] = {
 		.id = "PODxtLive",
@@ -170,6 +194,8 @@ static const struct line6_properties line6_properties_table[] = {
 				| LINE6_CAP_PCM
 				| LINE6_CAP_HWMON,
 		.altsetting = 1,
+		.ep_ctrl_r = 0x86,
+		.ep_ctrl_w = 0x05,
 	},
 	[LINE6_PODXTPRO] = {
 		.id = "PODxtPro",
@@ -178,30 +204,37 @@ static const struct line6_properties line6_properties_table[] = {
 				| LINE6_CAP_PCM
 				| LINE6_CAP_HWMON,
 		.altsetting = 5,
+		.ep_ctrl_r = 0x84,
+		.ep_ctrl_w = 0x03,
 	},
 	[LINE6_TONEPORT_GX] = {
 		.id = "TonePortGX",
 		.name = "TonePort GX",
 		.capabilities	= LINE6_CAP_PCM,
 		.altsetting = 2,  /* 1..4 seem to be ok */
+		/* no control channel */
 	},
 	[LINE6_TONEPORT_UX1] = {
 		.id = "TonePortUX1",
 		.name = "TonePort UX1",
 		.capabilities	= LINE6_CAP_PCM,
 		.altsetting = 2,  /* 1..4 seem to be ok */
+		/* no control channel */
 	},
 	[LINE6_TONEPORT_UX2] = {
 		.id = "TonePortUX2",
 		.name = "TonePort UX2",
 		.capabilities	= LINE6_CAP_PCM,
 		.altsetting = 2,  /* defaults to 44.1kHz, 16-bit */
+		/* no control channel */
 	},
 	[LINE6_VARIAX] = {
 		.id = "Variax",
 		.name = "Variax Workbench",
 		.capabilities	= LINE6_CAP_CONTROL,
 		.altsetting = 1,
+		.ep_ctrl_r = 0x82,
+		.ep_ctrl_w = 0x01,
 	}
 };
 
@@ -245,9 +278,9 @@ static int line6_start_listen(struct usb_line6 *line6)
 	int err;
 
 	usb_fill_int_urb(line6->urb_listen, line6->usbdev,
-			 usb_rcvintpipe(line6->usbdev, line6->ep_control_read),
-			 line6->buffer_listen, LINE6_BUFSIZE_LISTEN,
-			 line6_data_received, line6, line6->interval);
+		usb_rcvintpipe(line6->usbdev, line6->properties->ep_ctrl_r),
+		line6->buffer_listen, LINE6_BUFSIZE_LISTEN,
+		line6_data_received, line6, line6->interval);
 	line6->urb_listen->actual_length = 0;
 	err = usb_submit_urb(line6->urb_listen, GFP_ATOMIC);
 	return err;
@@ -277,7 +310,7 @@ int line6_send_raw_message(struct usb_line6 *line6, const char *buffer,
 
 		retval = usb_interrupt_msg(line6->usbdev,
 					usb_sndintpipe(line6->usbdev,
-						line6->ep_control_write),
+						line6->properties->ep_ctrl_w),
 					(char *)frag_buf, frag_size,
 					&partial, LINE6_TIMEOUT * HZ);
 
@@ -319,9 +352,9 @@ static int line6_send_raw_message_async_part(struct message *msg,
 	int bytes = min(msg->size - done, line6->max_packet_size);
 
 	usb_fill_int_urb(urb, line6->usbdev,
-			 usb_sndintpipe(line6->usbdev, line6->ep_control_write),
-			 (char *)msg->buffer + done, bytes,
-			 line6_async_request_sent, msg, line6->interval);
+		usb_sndintpipe(line6->usbdev, line6->properties->ep_ctrl_w),
+		(char *)msg->buffer + done, bytes,
+		line6_async_request_sent, msg, line6->interval);
 
 	msg->done += bytes;
 	retval = usb_submit_urb(urb, GFP_ATOMIC);
@@ -525,7 +558,7 @@ int line6_send_program(struct usb_line6 *line6, u8 value)
 
 	retval = usb_interrupt_msg(line6->usbdev,
 				   usb_sndintpipe(line6->usbdev,
-						  line6->ep_control_write),
+						  line6->properties->ep_ctrl_w),
 				   buffer, 2, &partial, LINE6_TIMEOUT * HZ);
 
 	if (retval)
@@ -555,7 +588,7 @@ int line6_transmit_parameter(struct usb_line6 *line6, int param, u8 value)
 
 	retval = usb_interrupt_msg(line6->usbdev,
 				   usb_sndintpipe(line6->usbdev,
-						  line6->ep_control_write),
+						  line6->properties->ep_ctrl_w),
 				   buffer, 3, &partial, LINE6_TIMEOUT * HZ);
 
 	if (retval)
@@ -725,7 +758,6 @@ static int line6_probe(struct usb_interface *interface,
 	const struct line6_properties *properties;
 	int interface_number;
 	int size = 0;
-	int ep_read = 0, ep_write = 0;
 	int ret;
 
 	if (interface == NULL)
@@ -764,28 +796,20 @@ static int line6_probe(struct usb_interface *interface,
 	case LINE6_PODXT:
 	case LINE6_PODXTPRO:
 		size = sizeof(struct usb_line6_pod);
-		ep_read = 0x84;
-		ep_write = 0x03;
 		break;
 
 	case LINE6_PODHD300:
 	case LINE6_PODHD400:
 		size = sizeof(struct usb_line6_podhd);
-		ep_read = 0x84;
-		ep_write = 0x03;
 		break;
 
 	case LINE6_PODHD500_0:
 	case LINE6_PODHD500_1:
 		size = sizeof(struct usb_line6_podhd);
-		ep_read = 0x81;
-		ep_write = 0x01;
 		break;
 
 	case LINE6_POCKETPOD:
 		size = sizeof(struct usb_line6_pod);
-		ep_read = 0x82;
-		ep_write = 0x02;
 		break;
 
 	case LINE6_PODSTUDIO_GX:
@@ -796,25 +820,18 @@ static int line6_probe(struct usb_interface *interface,
 	case LINE6_TONEPORT_UX2:
 	case LINE6_GUITARPORT:
 		size = sizeof(struct usb_line6_toneport);
-		/* these don't have a control channel */
 		break;
 
 	case LINE6_PODXTLIVE_POD:
 		size = sizeof(struct usb_line6_pod);
-		ep_read = 0x84;
-		ep_write = 0x03;
 		break;
 
 	case LINE6_PODXTLIVE_VARIAX:
 		size = sizeof(struct usb_line6_variax);
-		ep_read = 0x86;
-		ep_write = 0x05;
 		break;
 
 	case LINE6_VARIAX:
 		size = sizeof(struct usb_line6_variax);
-		ep_read = 0x82;
-		ep_write = 0x01;
 		break;
 
 	default:
@@ -840,15 +857,13 @@ static int line6_probe(struct usb_interface *interface,
 	line6->properties = properties;
 	line6->usbdev = usbdev;
 	line6->ifcdev = &interface->dev;
-	line6->ep_control_read = ep_read;
-	line6->ep_control_write = ep_write;
 	line6->type = devtype;
 
 	/* get data from endpoint descriptor (see usb_maxpacket): */
 	{
 		struct usb_host_endpoint *ep;
-		unsigned epnum =
-		    usb_pipeendpoint(usb_rcvintpipe(usbdev, ep_read));
+		unsigned pipe = usb_rcvintpipe(usbdev, properties->ep_ctrl_r);
+		unsigned epnum = usb_pipeendpoint(pipe);
 		ep = usbdev->ep_in[epnum];
 
 		if (ep != NULL) {
diff --git a/drivers/staging/line6/driver.h b/drivers/staging/line6/driver.h
index 97d6be1..a0555f4 100644
--- a/drivers/staging/line6/driver.h
+++ b/drivers/staging/line6/driver.h
@@ -117,6 +117,9 @@ struct line6_properties {
 	int capabilities;
 
 	int altsetting;
+
+	unsigned ep_ctrl_r;
+	unsigned ep_ctrl_w;
 };
 
 /**
@@ -171,16 +174,6 @@ struct usb_line6 {
 	struct snd_line6_midi *line6midi;
 
 	/**
-		 USB endpoint for listening to control commands.
-	*/
-	int ep_control_read;
-
-	/**
-		 USB endpoint for writing control commands.
-	*/
-	int ep_control_write;
-
-	/**
 		 URB for listening to PODxt Pro control endpoint.
 	*/
 	struct urb *urb_listen;
diff --git a/drivers/staging/line6/midi.c b/drivers/staging/line6/midi.c
index c453485..c9d725a 100644
--- a/drivers/staging/line6/midi.c
+++ b/drivers/staging/line6/midi.c
@@ -136,7 +136,7 @@ static int send_midi_async(struct usb_line6 *line6, unsigned char *data,
 
 	usb_fill_int_urb(urb, line6->usbdev,
 			 usb_sndbulkpipe(line6->usbdev,
-					 line6->ep_control_write),
+					 line6->properties->ep_ctrl_w),
 			 transfer_buffer, length, midi_sent, line6,
 			 line6->interval);
 	urb->actual_length = 0;
-- 
2.1.0

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ