[U-Boot] [PATCH v4 01/10] usb: gadget: Do not call board_usb_xxx() directly in USB gadget drivers
Jean-Jacques Hiblot
jjhiblot at ti.com
Thu Nov 29 09:52:41 UTC 2018
Add 2 functions to wrap the calls to board_usb_init() and
board_usb_cleanup().
This is a preparatory work for DM support for UDC drivers (DM_USB_GADGET).
Signed-off-by: Jean-Jacques Hiblot <jjhiblot at ti.com>
Reviewed-by: Lukasz Majewski <lukma at denx.de>
---
Changes in v4: None
Changes in v3: None
Changes in v2:
- Updated commit log
- Fixed typo in thordown.c
cmd/fastboot.c | 4 ++--
cmd/rockusb.c | 4 ++--
cmd/thordown.c | 4 ++--
cmd/usb_gadget_sdp.c | 4 ++--
cmd/usb_mass_storage.c | 4 ++--
common/dfu.c | 6 +++---
drivers/usb/gadget/ether.c | 38 +++++---------------------------------
include/linux/usb/gadget.h | 10 ++++++++++
8 files changed, 28 insertions(+), 46 deletions(-)
diff --git a/cmd/fastboot.c b/cmd/fastboot.c
index ae3a5f6..0be83b7 100644
--- a/cmd/fastboot.c
+++ b/cmd/fastboot.c
@@ -51,7 +51,7 @@ static int do_fastboot_usb(int argc, char *const argv[],
return CMD_RET_FAILURE;
}
- ret = board_usb_init(controller_index, USB_INIT_DEVICE);
+ ret = usb_gadget_initialize(controller_index);
if (ret) {
pr_err("USB init failed: %d\n", ret);
return CMD_RET_FAILURE;
@@ -82,7 +82,7 @@ static int do_fastboot_usb(int argc, char *const argv[],
exit:
g_dnl_unregister();
g_dnl_clear_detach();
- board_usb_cleanup(controller_index, USB_INIT_DEVICE);
+ usb_gadget_release(controller_index);
return ret;
#else
diff --git a/cmd/rockusb.c b/cmd/rockusb.c
index 8206643..e0c1480 100644
--- a/cmd/rockusb.c
+++ b/cmd/rockusb.c
@@ -33,7 +33,7 @@ static int do_rockusb(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
dev_index = simple_strtoul(devnum, NULL, 0);
rockusb_dev_init(devtype, dev_index);
- ret = board_usb_init(controller_index, USB_INIT_DEVICE);
+ ret = usb_gadget_initialize(controller_index);
if (ret) {
printf("USB init failed: %d\n", ret);
return CMD_RET_FAILURE;
@@ -62,7 +62,7 @@ static int do_rockusb(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
exit:
g_dnl_unregister();
g_dnl_clear_detach();
- board_usb_cleanup(controller_index, USB_INIT_DEVICE);
+ usb_gadget_release(controller_index);
return ret;
}
diff --git a/cmd/thordown.c b/cmd/thordown.c
index 2615ada..ce3660d 100644
--- a/cmd/thordown.c
+++ b/cmd/thordown.c
@@ -30,7 +30,7 @@ int do_thor_down(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
goto done;
int controller_index = simple_strtoul(usb_controller, NULL, 0);
- ret = board_usb_init(controller_index, USB_INIT_DEVICE);
+ ret = usb_gadget_initialize(controller_index);
if (ret) {
pr_err("USB init failed: %d\n", ret);
ret = CMD_RET_FAILURE;
@@ -55,7 +55,7 @@ int do_thor_down(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
exit:
g_dnl_unregister();
- board_usb_cleanup(controller_index, USB_INIT_DEVICE);
+ usb_gadget_release(controller_index);
done:
dfu_free_entities();
diff --git a/cmd/usb_gadget_sdp.c b/cmd/usb_gadget_sdp.c
index ba1f66a..808ed97 100644
--- a/cmd/usb_gadget_sdp.c
+++ b/cmd/usb_gadget_sdp.c
@@ -20,7 +20,7 @@ static int do_sdp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
char *usb_controller = argv[1];
int controller_index = simple_strtoul(usb_controller, NULL, 0);
- board_usb_init(controller_index, USB_INIT_DEVICE);
+ usb_gadget_initialize(controller_index);
g_dnl_clear_detach();
g_dnl_register("usb_dnl_sdp");
@@ -37,7 +37,7 @@ static int do_sdp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
exit:
g_dnl_unregister();
- board_usb_cleanup(controller_index, USB_INIT_DEVICE);
+ usb_gadget_release(controller_index);
return ret;
}
diff --git a/cmd/usb_mass_storage.c b/cmd/usb_mass_storage.c
index 0d55114..753ae4f 100644
--- a/cmd/usb_mass_storage.c
+++ b/cmd/usb_mass_storage.c
@@ -160,7 +160,7 @@ static int do_usb_mass_storage(cmd_tbl_t *cmdtp, int flag,
controller_index = (unsigned int)(simple_strtoul(
usb_controller, NULL, 0));
- if (board_usb_init(controller_index, USB_INIT_DEVICE)) {
+ if (usb_gadget_initialize(controller_index)) {
pr_err("Couldn't init USB controller.\n");
rc = CMD_RET_FAILURE;
goto cleanup_ums_init;
@@ -231,7 +231,7 @@ static int do_usb_mass_storage(cmd_tbl_t *cmdtp, int flag,
cleanup_register:
g_dnl_unregister();
cleanup_board:
- board_usb_cleanup(controller_index, USB_INIT_DEVICE);
+ usb_gadget_release(controller_index);
cleanup_ums_init:
ums_fini();
diff --git a/common/dfu.c b/common/dfu.c
index 2620d32..44d1484 100644
--- a/common/dfu.c
+++ b/common/dfu.c
@@ -23,9 +23,9 @@ int run_usb_dnl_gadget(int usbctrl_index, char *usb_dnl_gadget)
bool dfu_reset = false;
int ret, i = 0;
- ret = board_usb_init(usbctrl_index, USB_INIT_DEVICE);
+ ret = usb_gadget_initialize(usbctrl_index);
if (ret) {
- pr_err("board usb init failed\n");
+ pr_err("usb_gadget_initialize failed\n");
return CMD_RET_FAILURE;
}
g_dnl_clear_detach();
@@ -84,7 +84,7 @@ int run_usb_dnl_gadget(int usbctrl_index, char *usb_dnl_gadget)
}
exit:
g_dnl_unregister();
- board_usb_cleanup(usbctrl_index, USB_INIT_DEVICE);
+ usb_gadget_release(usbctrl_index);
if (dfu_reset)
do_reset(NULL, 0, 0, NULL);
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 193583b..5a9ffd7 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -100,9 +100,6 @@ struct eth_dev {
struct usb_gadget *gadget;
struct usb_request *req; /* for control responses */
struct usb_request *stat_req; /* for cdc & rndis status */
-#if CONFIG_IS_ENABLED(DM_USB)
- struct udevice *usb_udev;
-#endif
u8 config;
struct usb_ep *in_ep, *out_ep, *status_ep;
@@ -2336,40 +2333,17 @@ fail:
}
/*-------------------------------------------------------------------------*/
-
-#if CONFIG_IS_ENABLED(DM_USB)
-int dm_usb_init(struct eth_dev *e_dev)
-{
- struct udevice *dev = NULL;
- int ret;
-
- ret = uclass_first_device(UCLASS_USB_DEV_GENERIC, &dev);
- if (!dev || ret) {
- pr_err("No USB device found\n");
- return -ENODEV;
- }
-
- e_dev->usb_udev = dev;
-
- return ret;
-}
-#endif
-
static int _usb_eth_init(struct ether_priv *priv)
{
struct eth_dev *dev = &priv->ethdev;
struct usb_gadget *gadget;
unsigned long ts;
+ int ret;
unsigned long timeout = USB_CONNECT_TIMEOUT;
-#if CONFIG_IS_ENABLED(DM_USB)
- if (dm_usb_init(dev)) {
- pr_err("USB ether not found\n");
- return -ENODEV;
- }
-#else
- board_usb_init(0, USB_INIT_DEVICE);
-#endif
+ ret = usb_gadget_initialize(0);
+ if (ret)
+ return ret;
/* Configure default mac-addresses for the USB ethernet device */
#ifdef CONFIG_USBNET_DEV_ADDR
@@ -2541,9 +2515,7 @@ void _usb_eth_halt(struct ether_priv *priv)
}
usb_gadget_unregister_driver(&priv->eth_driver);
-#if !CONFIG_IS_ENABLED(DM_USB)
- board_usb_cleanup(0, USB_INIT_DEVICE);
-#endif
+ usb_gadget_release(0);
}
#ifndef CONFIG_DM_ETH
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index b824f13..40ca2d3 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -19,6 +19,7 @@
#define __LINUX_USB_GADGET_H
#include <errno.h>
+#include <usb.h>
#include <linux/compat.h>
#include <linux/list.h>
@@ -926,4 +927,13 @@ extern void usb_ep_autoconfig_reset(struct usb_gadget *);
extern int usb_gadget_handle_interrupts(int index);
+static inline int usb_gadget_initialize(int index)
+{
+ return board_usb_init(index, USB_INIT_DEVICE);
+}
+
+static inline int usb_gadget_release(int index)
+{
+ return board_usb_cleanup(index, USB_INIT_DEVICE);
+}
#endif /* __LINUX_USB_GADGET_H */
--
2.7.4
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