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dm: usb: Adjust usb command to prepare for driver model

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Use 'udev' instead of 'dev' in a few places, reserving 'dev' for driver
model's struct udevice. Also adjust the code in a few minor ways to make
it easier to plumb in driver model.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Simon Glass 2015-03-25 12:22:00 -06:00
parent de31213fb8
commit cad4291cd0
1 changed files with 25 additions and 26 deletions
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51
common/cmd_usb.c
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@ -254,15 +254,15 @@ static void usb_display_config(struct usb_device *dev)
static struct usb_device *usb_find_device(int devnum)
{
struct usb_device *dev;
struct usb_device *udev;
int d;
for (d = 0; d < USB_MAX_DEVICE; d++) {
dev = usb_get_dev_index(d);
if (dev == NULL)
udev = usb_get_dev_index(d);
if (udev == NULL)
return NULL;
if (dev->devnum == devnum)
return dev;
if (udev->devnum == devnum)
return udev;
}
return NULL;
@ -305,8 +305,8 @@ static void usb_show_tree_graph(struct usb_device *dev, char *pre)
has_child = 1;
}
/* check if we are the last one */
last_child = 1;
if (dev->parent != NULL) {
last_child = (dev->parent != NULL);
if (last_child) {
for (i = 0; i < dev->parent->maxchild; i++) {
/* search for children */
if (dev->parent->children[i] == dev) {
@ -324,7 +324,7 @@ static void usb_show_tree_graph(struct usb_device *dev, char *pre)
} /* for all children of the parent */
printf("\b+-");
/* correct last child */
if (last_child)
if (last_child && index)
pre[index-1] = ' ';
} /* if not root hub */
else
@ -355,7 +355,7 @@ static void usb_show_tree(struct usb_device *dev)
{
char preamble[32];
memset(preamble, 0, 32);
memset(preamble, '\0', sizeof(preamble));
usb_show_tree_graph(dev, &preamble[0]);
}
@ -466,9 +466,8 @@ static void do_usb_start(void)
*/
static int do_usb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
struct usb_device *udev = NULL;
int i;
struct usb_device *dev = NULL;
extern char usb_started;
#ifdef CONFIG_USB_STORAGE
block_dev_desc_t *stor_dev;
@ -509,11 +508,11 @@ static int do_usb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
if (strncmp(argv[1], "tree", 4) == 0) {
puts("USB device tree:\n");
for (i = 0; i < USB_MAX_DEVICE; i++) {
dev = usb_get_dev_index(i);
if (dev == NULL)
udev = usb_get_dev_index(i);
if (udev == NULL)
break;
if (dev->parent == NULL)
usb_show_tree(dev);
if (udev->parent == NULL)
usb_show_tree(udev);
}
return 0;
}
@ -521,23 +520,23 @@ static int do_usb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
int d;
if (argc == 2) {
for (d = 0; d < USB_MAX_DEVICE; d++) {
dev = usb_get_dev_index(d);
if (dev == NULL)
udev = usb_get_dev_index(d);
if (udev == NULL)
break;
usb_display_desc(dev);
usb_display_config(dev);
usb_display_desc(udev);
usb_display_config(udev);
}
return 0;
} else {
i = simple_strtoul(argv[2], NULL, 10);
printf("config for device %d\n", i);
dev = usb_find_device(i);
if (dev == NULL) {
udev = usb_find_device(i);
if (udev == NULL) {
printf("*** No device available ***\n");
return 0;
} else {
usb_display_desc(dev);
usb_display_config(dev);
usb_display_desc(udev);
usb_display_config(udev);
}
}
return 0;
@ -546,13 +545,13 @@ static int do_usb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
if (argc < 5)
return CMD_RET_USAGE;
i = simple_strtoul(argv[2], NULL, 10);
dev = usb_find_device(i);
if (dev == NULL) {
udev = usb_find_device(i);
if (udev == NULL) {
printf("Device %d does not exist.\n", i);
return 1;
}
i = simple_strtoul(argv[3], NULL, 10);
return usb_test(dev, i, argv[4]);
return usb_test(udev, i, argv[4]);
}
#ifdef CONFIG_USB_STORAGE
if (strncmp(argv[1], "stor", 4) == 0)