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usb: storage: Show number of storage devices detected for DM_USB

Browse source 
By enabling DM_USB information about number of storage devices
was lost.
Get this information back simply by printing number of devices detected
via BLK uclass.

For example:
scanning bus 0 for devices... 7 USB Device(s) found
       scanning usb for storage devices... 3 Storage Device(s) found
       scanning usb for ethernet devices... 0 Ethernet Device(s) found

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Michal Simek 2016-12-21 09:35:08 +01:00 • committed by Marek Vasut
parent 59ef20303a
commit b984700ca4
2 changed files with 5 additions and 5 deletions
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2
cmd/usb.c
View file

@ -571,11 +571,11 @@ static void do_usb_start(void)
return; return;
/* Driver model will probe the devices as they are found */ /* Driver model will probe the devices as they are found */
#ifndef CONFIG_DM_USB
# ifdef CONFIG_USB_STORAGE # ifdef CONFIG_USB_STORAGE
/* try to recognize storage devices immediately */ /* try to recognize storage devices immediately */
usb_stor_curr_dev = usb_stor_scan(1); usb_stor_curr_dev = usb_stor_scan(1);
# endif # endif
#ifndef CONFIG_DM_USB
# ifdef CONFIG_USB_KEYBOARD # ifdef CONFIG_USB_KEYBOARD
drv_usb_kbd_init(); drv_usb_kbd_init();
# endif # endif

8
common/usb_storage.c
View file

@ -303,7 +303,6 @@ void usb_stor_reset(void)
usb_max_devs = 0; usb_max_devs = 0;
} }
#ifndef CONFIG_DM_USB
/******************************************************************************* /*******************************************************************************
* scan the usb and reports device info * scan the usb and reports device info
* to the user if mode = 1 * to the user if mode = 1
@ -311,11 +310,12 @@ void usb_stor_reset(void)
*/ */
int usb_stor_scan(int mode) int usb_stor_scan(int mode)
{ {
unsigned char i;
if (mode == 1) if (mode == 1)
printf(" scanning usb for storage devices... "); printf(" scanning usb for storage devices... ");
#ifndef CONFIG_DM_USB
unsigned char i;
usb_disable_asynch(1); /* asynch transfer not allowed */ usb_disable_asynch(1); /* asynch transfer not allowed */
usb_stor_reset(); usb_stor_reset();
@ -329,12 +329,12 @@ int usb_stor_scan(int mode)
} /* for */ } /* for */
usb_disable_asynch(0); /* asynch transfer allowed */ usb_disable_asynch(0); /* asynch transfer allowed */
#endif
printf("%d Storage Device(s) found\n", usb_max_devs); printf("%d Storage Device(s) found\n", usb_max_devs);
if (usb_max_devs > 0) if (usb_max_devs > 0)
return 0; return 0;
return -1; return -1;
} }
#endif
static int usb_stor_irq(struct usb_device *dev) static int usb_stor_irq(struct usb_device *dev)
{ {