usb: move usb/usb-common.c to usb/common/usb-common.c
authorPeter Chen <peter.chen@freescale.com>
Tue, 29 Apr 2014 00:35:58 +0000 (08:35 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 27 May 2014 22:29:44 +0000 (15:29 -0700)
Since we will have more usb-common things, and it will let
usb-common.c be larger and larger, we create a folder named usb/common
for all usb common things.

Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/Makefile
drivers/usb/common/Makefile [new file with mode: 0644]
drivers/usb/common/usb-common.c [new file with mode: 0644]
drivers/usb/usb-common.c [deleted file]

index 9bb6721..3cba892 100644 (file)
@@ -59,4 +59,4 @@ obj-$(CONFIG_USB_CHIPIDEA)    += chipidea/
 obj-$(CONFIG_USB_RENESAS_USBHS)        += renesas_usbhs/
 obj-$(CONFIG_USB_GADGET)       += gadget/
 
-obj-$(CONFIG_USB_COMMON)       += usb-common.o
+obj-$(CONFIG_USB_COMMON)       += common/
diff --git a/drivers/usb/common/Makefile b/drivers/usb/common/Makefile
new file mode 100644 (file)
index 0000000..9b320d1
--- /dev/null
@@ -0,0 +1,5 @@
+#
+# Makefile for the usb common parts.
+#
+
+obj-$(CONFIG_USB_COMMON) += usb-common.o
diff --git a/drivers/usb/common/usb-common.c b/drivers/usb/common/usb-common.c
new file mode 100644 (file)
index 0000000..6dfd30a
--- /dev/null
@@ -0,0 +1,144 @@
+/*
+ * Provides code common for host and device side USB.
+ *
+ * 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, version 2.
+ *
+ * If either host side (ie. CONFIG_USB=y) or device side USB stack
+ * (ie. CONFIG_USB_GADGET=y) is compiled in the kernel, this module is
+ * compiled-in as well.  Otherwise, if either of the two stacks is
+ * compiled as module, this file is compiled as module as well.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/usb/ch9.h>
+#include <linux/usb/of.h>
+#include <linux/usb/otg.h>
+
+const char *usb_otg_state_string(enum usb_otg_state state)
+{
+       static const char *const names[] = {
+               [OTG_STATE_A_IDLE] = "a_idle",
+               [OTG_STATE_A_WAIT_VRISE] = "a_wait_vrise",
+               [OTG_STATE_A_WAIT_BCON] = "a_wait_bcon",
+               [OTG_STATE_A_HOST] = "a_host",
+               [OTG_STATE_A_SUSPEND] = "a_suspend",
+               [OTG_STATE_A_PERIPHERAL] = "a_peripheral",
+               [OTG_STATE_A_WAIT_VFALL] = "a_wait_vfall",
+               [OTG_STATE_A_VBUS_ERR] = "a_vbus_err",
+               [OTG_STATE_B_IDLE] = "b_idle",
+               [OTG_STATE_B_SRP_INIT] = "b_srp_init",
+               [OTG_STATE_B_PERIPHERAL] = "b_peripheral",
+               [OTG_STATE_B_WAIT_ACON] = "b_wait_acon",
+               [OTG_STATE_B_HOST] = "b_host",
+       };
+
+       if (state < 0 || state >= ARRAY_SIZE(names))
+               return "UNDEFINED";
+
+       return names[state];
+}
+EXPORT_SYMBOL_GPL(usb_otg_state_string);
+
+static const char *const speed_names[] = {
+       [USB_SPEED_UNKNOWN] = "UNKNOWN",
+       [USB_SPEED_LOW] = "low-speed",
+       [USB_SPEED_FULL] = "full-speed",
+       [USB_SPEED_HIGH] = "high-speed",
+       [USB_SPEED_WIRELESS] = "wireless",
+       [USB_SPEED_SUPER] = "super-speed",
+};
+
+const char *usb_speed_string(enum usb_device_speed speed)
+{
+       if (speed < 0 || speed >= ARRAY_SIZE(speed_names))
+               speed = USB_SPEED_UNKNOWN;
+       return speed_names[speed];
+}
+EXPORT_SYMBOL_GPL(usb_speed_string);
+
+const char *usb_state_string(enum usb_device_state state)
+{
+       static const char *const names[] = {
+               [USB_STATE_NOTATTACHED] = "not attached",
+               [USB_STATE_ATTACHED] = "attached",
+               [USB_STATE_POWERED] = "powered",
+               [USB_STATE_RECONNECTING] = "reconnecting",
+               [USB_STATE_UNAUTHENTICATED] = "unauthenticated",
+               [USB_STATE_DEFAULT] = "default",
+               [USB_STATE_ADDRESS] = "addressed",
+               [USB_STATE_CONFIGURED] = "configured",
+               [USB_STATE_SUSPENDED] = "suspended",
+       };
+
+       if (state < 0 || state >= ARRAY_SIZE(names))
+               return "UNKNOWN";
+
+       return names[state];
+}
+EXPORT_SYMBOL_GPL(usb_state_string);
+
+#ifdef CONFIG_OF
+static const char *const usb_dr_modes[] = {
+       [USB_DR_MODE_UNKNOWN]           = "",
+       [USB_DR_MODE_HOST]              = "host",
+       [USB_DR_MODE_PERIPHERAL]        = "peripheral",
+       [USB_DR_MODE_OTG]               = "otg",
+};
+
+/**
+ * of_usb_get_dr_mode - Get dual role mode for given device_node
+ * @np:        Pointer to the given device_node
+ *
+ * The function gets phy interface string from property 'dr_mode',
+ * and returns the correspondig enum usb_dr_mode
+ */
+enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np)
+{
+       const char *dr_mode;
+       int err, i;
+
+       err = of_property_read_string(np, "dr_mode", &dr_mode);
+       if (err < 0)
+               return USB_DR_MODE_UNKNOWN;
+
+       for (i = 0; i < ARRAY_SIZE(usb_dr_modes); i++)
+               if (!strcmp(dr_mode, usb_dr_modes[i]))
+                       return i;
+
+       return USB_DR_MODE_UNKNOWN;
+}
+EXPORT_SYMBOL_GPL(of_usb_get_dr_mode);
+
+/**
+ * of_usb_get_maximum_speed - Get maximum requested speed for a given USB
+ * controller.
+ * @np: Pointer to the given device_node
+ *
+ * The function gets the maximum speed string from property "maximum-speed",
+ * and returns the corresponding enum usb_device_speed.
+ */
+enum usb_device_speed of_usb_get_maximum_speed(struct device_node *np)
+{
+       const char *maximum_speed;
+       int err;
+       int i;
+
+       err = of_property_read_string(np, "maximum-speed", &maximum_speed);
+       if (err < 0)
+               return USB_SPEED_UNKNOWN;
+
+       for (i = 0; i < ARRAY_SIZE(speed_names); i++)
+               if (strcmp(maximum_speed, speed_names[i]) == 0)
+                       return i;
+
+       return USB_SPEED_UNKNOWN;
+}
+EXPORT_SYMBOL_GPL(of_usb_get_maximum_speed);
+
+#endif
+
+MODULE_LICENSE("GPL");
diff --git a/drivers/usb/usb-common.c b/drivers/usb/usb-common.c
deleted file mode 100644 (file)
index 6dfd30a..0000000
+++ /dev/null
@@ -1,144 +0,0 @@
-/*
- * Provides code common for host and device side USB.
- *
- * 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, version 2.
- *
- * If either host side (ie. CONFIG_USB=y) or device side USB stack
- * (ie. CONFIG_USB_GADGET=y) is compiled in the kernel, this module is
- * compiled-in as well.  Otherwise, if either of the two stacks is
- * compiled as module, this file is compiled as module as well.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/usb/ch9.h>
-#include <linux/usb/of.h>
-#include <linux/usb/otg.h>
-
-const char *usb_otg_state_string(enum usb_otg_state state)
-{
-       static const char *const names[] = {
-               [OTG_STATE_A_IDLE] = "a_idle",
-               [OTG_STATE_A_WAIT_VRISE] = "a_wait_vrise",
-               [OTG_STATE_A_WAIT_BCON] = "a_wait_bcon",
-               [OTG_STATE_A_HOST] = "a_host",
-               [OTG_STATE_A_SUSPEND] = "a_suspend",
-               [OTG_STATE_A_PERIPHERAL] = "a_peripheral",
-               [OTG_STATE_A_WAIT_VFALL] = "a_wait_vfall",
-               [OTG_STATE_A_VBUS_ERR] = "a_vbus_err",
-               [OTG_STATE_B_IDLE] = "b_idle",
-               [OTG_STATE_B_SRP_INIT] = "b_srp_init",
-               [OTG_STATE_B_PERIPHERAL] = "b_peripheral",
-               [OTG_STATE_B_WAIT_ACON] = "b_wait_acon",
-               [OTG_STATE_B_HOST] = "b_host",
-       };
-
-       if (state < 0 || state >= ARRAY_SIZE(names))
-               return "UNDEFINED";
-
-       return names[state];
-}
-EXPORT_SYMBOL_GPL(usb_otg_state_string);
-
-static const char *const speed_names[] = {
-       [USB_SPEED_UNKNOWN] = "UNKNOWN",
-       [USB_SPEED_LOW] = "low-speed",
-       [USB_SPEED_FULL] = "full-speed",
-       [USB_SPEED_HIGH] = "high-speed",
-       [USB_SPEED_WIRELESS] = "wireless",
-       [USB_SPEED_SUPER] = "super-speed",
-};
-
-const char *usb_speed_string(enum usb_device_speed speed)
-{
-       if (speed < 0 || speed >= ARRAY_SIZE(speed_names))
-               speed = USB_SPEED_UNKNOWN;
-       return speed_names[speed];
-}
-EXPORT_SYMBOL_GPL(usb_speed_string);
-
-const char *usb_state_string(enum usb_device_state state)
-{
-       static const char *const names[] = {
-               [USB_STATE_NOTATTACHED] = "not attached",
-               [USB_STATE_ATTACHED] = "attached",
-               [USB_STATE_POWERED] = "powered",
-               [USB_STATE_RECONNECTING] = "reconnecting",
-               [USB_STATE_UNAUTHENTICATED] = "unauthenticated",
-               [USB_STATE_DEFAULT] = "default",
-               [USB_STATE_ADDRESS] = "addressed",
-               [USB_STATE_CONFIGURED] = "configured",
-               [USB_STATE_SUSPENDED] = "suspended",
-       };
-
-       if (state < 0 || state >= ARRAY_SIZE(names))
-               return "UNKNOWN";
-
-       return names[state];
-}
-EXPORT_SYMBOL_GPL(usb_state_string);
-
-#ifdef CONFIG_OF
-static const char *const usb_dr_modes[] = {
-       [USB_DR_MODE_UNKNOWN]           = "",
-       [USB_DR_MODE_HOST]              = "host",
-       [USB_DR_MODE_PERIPHERAL]        = "peripheral",
-       [USB_DR_MODE_OTG]               = "otg",
-};
-
-/**
- * of_usb_get_dr_mode - Get dual role mode for given device_node
- * @np:        Pointer to the given device_node
- *
- * The function gets phy interface string from property 'dr_mode',
- * and returns the correspondig enum usb_dr_mode
- */
-enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np)
-{
-       const char *dr_mode;
-       int err, i;
-
-       err = of_property_read_string(np, "dr_mode", &dr_mode);
-       if (err < 0)
-               return USB_DR_MODE_UNKNOWN;
-
-       for (i = 0; i < ARRAY_SIZE(usb_dr_modes); i++)
-               if (!strcmp(dr_mode, usb_dr_modes[i]))
-                       return i;
-
-       return USB_DR_MODE_UNKNOWN;
-}
-EXPORT_SYMBOL_GPL(of_usb_get_dr_mode);
-
-/**
- * of_usb_get_maximum_speed - Get maximum requested speed for a given USB
- * controller.
- * @np: Pointer to the given device_node
- *
- * The function gets the maximum speed string from property "maximum-speed",
- * and returns the corresponding enum usb_device_speed.
- */
-enum usb_device_speed of_usb_get_maximum_speed(struct device_node *np)
-{
-       const char *maximum_speed;
-       int err;
-       int i;
-
-       err = of_property_read_string(np, "maximum-speed", &maximum_speed);
-       if (err < 0)
-               return USB_SPEED_UNKNOWN;
-
-       for (i = 0; i < ARRAY_SIZE(speed_names); i++)
-               if (strcmp(maximum_speed, speed_names[i]) == 0)
-                       return i;
-
-       return USB_SPEED_UNKNOWN;
-}
-EXPORT_SYMBOL_GPL(of_usb_get_maximum_speed);
-
-#endif
-
-MODULE_LICENSE("GPL");