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Subject[PATCH 1/4] USB: OTG: Introduce new otg.c code
Date
This patch creates moves code from otg_whitelist.h to
otg.c in order to add support for configuring OTG
options during the runtime in following patches.

No functional changes, only clean-up whitespace on few
occasions.

Signed-off-by: Felipe Balbi <me@felipebalbi.com>
---
drivers/usb/core/Makefile | 4 +
drivers/usb/core/otg.c | 120 ++++++++++++++++++++++++++++++++++++++
drivers/usb/core/otg_whitelist.h | 102 ++------------------------------
3 files changed, 129 insertions(+), 97 deletions(-)
create mode 100644 drivers/usb/core/otg.c
diff --git a/drivers/usb/core/Makefile b/drivers/usb/core/Makefile
index b607870..c2e51b6 100644
--- a/drivers/usb/core/Makefile
+++ b/drivers/usb/core/Makefile
@@ -6,6 +6,10 @@ usbcore-objs := usb.o hub.o hcd.o urb.o message.o driver.o \
config.o file.o buffer.o sysfs.o endpoint.o \
devio.o notify.o generic.o quirks.o

+ifeq ($(CONFIG_USB_OTG),y)
+ usbcore-objs += otg.o
+endif
+
ifeq ($(CONFIG_PCI),y)
usbcore-objs += hcd-pci.o
endif
diff --git a/drivers/usb/core/otg.c b/drivers/usb/core/otg.c
new file mode 100644
index 0000000..11967c0
--- /dev/null
+++ b/drivers/usb/core/otg.c
@@ -0,0 +1,120 @@
+/*
+ * drivers/usb/core/otg.c
+ *
+ * Copyright (C) 2004 Texas Instruments
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/device.h>
+#include <linux/mod_devicetable.h>
+#include <linux/byteorder/generic.h>
+#include <linux/gfp.h>
+#include <linux/usb.h>
+
+#include "otg_whitelist.h"
+
+#ifdef CONFIG_USB_OTG_WHITELIST
+
+/*
+ * This OTG Whitelist is the OTG "Targeted Peripheral List". It should
+ * mostly use of USB_DEVICE() or USB_DEVICE_VER() entries..
+ *
+ * YOU _SHOULD_ CHANGE THIS LIST TO MATCH YOUR PRODUCT AND ITS TESTING!
+ */
+
+static struct usb_device_id whitelist_table [] = {
+
+/* hubs are optional in OTG, but very handy ... */
+{ USB_DEVICE_INFO(USB_CLASS_HUB, 0, 0), },
+{ USB_DEVICE_INFO(USB_CLASS_HUB, 0, 1), },
+
+#ifdef CONFIG_USB_PRINTER /* ignoring nonstatic linkage! */
+/* FIXME actually, printers are NOT supposed to use device classes;
+ * they're supposed to use interface classes...
+ */
+{ USB_DEVICE_INFO(7, 1, 1) },
+{ USB_DEVICE_INFO(7, 1, 2) },
+{ USB_DEVICE_INFO(7, 1, 3) },
+#endif
+
+#ifdef CONFIG_USB_NET_CDCETHER
+/* Linux-USB CDC Ethernet gadget */
+{ USB_DEVICE(0x0525, 0xa4a1), },
+/* Linux-USB CDC Ethernet + RNDIS gadget */
+{ USB_DEVICE(0x0525, 0xa4a2), },
+#endif
+
+#if defined(CONFIG_USB_TEST) || defined(CONFIG_USB_TEST_MODULE)
+/* gadget zero, for testing */
+{ USB_DEVICE(0x0525, 0xa4a0), },
+#endif
+
+{ } /* Terminating entry */
+};
+
+int is_targeted(struct usb_device *dev)
+{
+ struct usb_device_id *id = whitelist_table;
+
+ /* possible in developer configs only! */
+ if (!dev->bus->otg_port)
+ return 1;
+
+ /* HNP test device is _never_ targeted (see OTG spec 6.6.6) */
+ if ((le16_to_cpu(dev->descriptor.idVendor) == 0x1a0a &&
+ le16_to_cpu(dev->descriptor.idProduct) == 0xbadd))
+ return 0;
+
+ /* NOTE: can't use usb_match_id() since interface caches
+ * aren't set up yet. this is cut/paste from that code.
+ */
+ for (id = whitelist_table; id->match_flags; id++) {
+ if ((id->match_flags & USB_DEVICE_ID_MATCH_VENDOR) &&
+ id->idVendor != le16_to_cpu(dev->descriptor.idVendor))
+ continue;
+
+ if ((id->match_flags & USB_DEVICE_ID_MATCH_PRODUCT) &&
+ id->idProduct != le16_to_cpu(dev->descriptor.idProduct))
+ continue;
+
+ /* No need to test id->bcdDevice_lo != 0, since 0 is never
+ greater than any unsigned number. */
+ if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_LO) &&
+ (id->bcdDevice_lo > le16_to_cpu(dev->descriptor.bcdDevice)))
+ continue;
+
+ if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_HI) &&
+ (id->bcdDevice_hi < le16_to_cpu(dev->descriptor.bcdDevice)))
+ continue;
+
+ if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_CLASS) &&
+ (id->bDeviceClass != dev->descriptor.bDeviceClass))
+ continue;
+
+ if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_SUBCLASS) &&
+ (id->bDeviceSubClass!= dev->descriptor.bDeviceSubClass))
+ continue;
+
+ if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_PROTOCOL) &&
+ (id->bDeviceProtocol != dev->descriptor.bDeviceProtocol))
+ continue;
+
+ return 1;
+ }
+
+ /* add other match criteria here ... */
+
+
+ /* OTG MESSAGE: report errors here, customize to match your product */
+ dev_err(&dev->dev, "device v%04x p%04x is not supported\n",
+ le16_to_cpu(dev->descriptor.idVendor),
+ le16_to_cpu(dev->descriptor.idProduct));
+
+ return 0;
+}
+
+#endif /* CONFIG_USB_OTG_WHITELIST */
diff --git a/drivers/usb/core/otg_whitelist.h b/drivers/usb/core/otg_whitelist.h
index 7f31a49..d6b352e 100644
--- a/drivers/usb/core/otg_whitelist.h
+++ b/drivers/usb/core/otg_whitelist.h
@@ -9,104 +9,12 @@
* (at your option) any later version.
*/

-/*
- * This OTG Whitelist is the OTG "Targeted Peripheral List". It should
- * mostly use of USB_DEVICE() or USB_DEVICE_VER() entries..
- *
- * YOU _SHOULD_ CHANGE THIS LIST TO MATCH YOUR PRODUCT AND ITS TESTING!
- */
-
-static struct usb_device_id whitelist_table [] = {
-
-/* hubs are optional in OTG, but very handy ... */
-{ USB_DEVICE_INFO(USB_CLASS_HUB, 0, 0), },
-{ USB_DEVICE_INFO(USB_CLASS_HUB, 0, 1), },
-
-#ifdef CONFIG_USB_PRINTER /* ignoring nonstatic linkage! */
-/* FIXME actually, printers are NOT supposed to use device classes;
- * they're supposed to use interface classes...
- */
-{ USB_DEVICE_INFO(7, 1, 1) },
-{ USB_DEVICE_INFO(7, 1, 2) },
-{ USB_DEVICE_INFO(7, 1, 3) },
-#endif
-
-#ifdef CONFIG_USB_NET_CDCETHER
-/* Linux-USB CDC Ethernet gadget */
-{ USB_DEVICE(0x0525, 0xa4a1), },
-/* Linux-USB CDC Ethernet + RNDIS gadget */
-{ USB_DEVICE(0x0525, 0xa4a2), },
-#endif
-
-#if defined(CONFIG_USB_TEST) || defined(CONFIG_USB_TEST_MODULE)
-/* gadget zero, for testing */
-{ USB_DEVICE(0x0525, 0xa4a0), },
-#endif
-
-{ } /* Terminating entry */
-};
-
-static int is_targeted(struct usb_device *dev)
-{
- struct usb_device_id *id = whitelist_table;
-
- /* possible in developer configs only! */
- if (!dev->bus->otg_port)
- return 1;
-
- /* HNP test device is _never_ targeted (see OTG spec 6.6.6) */
- if ((le16_to_cpu(dev->descriptor.idVendor) == 0x1a0a &&
- le16_to_cpu(dev->descriptor.idProduct) == 0xbadd))
- return 0;
-
- /* NOTE: can't use usb_match_id() since interface caches
- * aren't set up yet. this is cut/paste from that code.
- */
- for (id = whitelist_table; id->match_flags; id++) {
- if ((id->match_flags & USB_DEVICE_ID_MATCH_VENDOR) &&
- id->idVendor != le16_to_cpu(dev->descriptor.idVendor))
- continue;
-
- if ((id->match_flags & USB_DEVICE_ID_MATCH_PRODUCT) &&
- id->idProduct != le16_to_cpu(dev->descriptor.idProduct))
- continue;
-
- /* No need to test id->bcdDevice_lo != 0, since 0 is never
- greater than any unsigned number. */
- if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_LO) &&
- (id->bcdDevice_lo > le16_to_cpu(dev->descriptor.bcdDevice)))
- continue;
-
- if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_HI) &&
- (id->bcdDevice_hi < le16_to_cpu(dev->descriptor.bcdDevice)))
- continue;
-
- if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_CLASS) &&
- (id->bDeviceClass != dev->descriptor.bDeviceClass))
- continue;
-
- if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_SUBCLASS) &&
- (id->bDeviceSubClass!= dev->descriptor.bDeviceSubClass))
- continue;
-
- if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_PROTOCOL) &&
- (id->bDeviceProtocol != dev->descriptor.bDeviceProtocol))
- continue;
-
- return 1;
- }
-
- /* add other match criteria here ... */
-
-
- /* OTG MESSAGE: report errors here, customize to match your product */
- dev_err(&dev->dev, "device v%04x p%04x is not supported\n",
- le16_to_cpu(dev->descriptor.idVendor),
- le16_to_cpu(dev->descriptor.idProduct));
#ifdef CONFIG_USB_OTG_WHITELIST
- return 0;
+extern int is_targeted(struct usb_device *);
#else
- return 1;
-#endif
+static inline int is_targeted(struct usb_device *d)
+{
+ return 0;
}
+#endif

--
1.5.4.rc3.24.gb53139


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