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authorSimon Glass <sjg@chromium.org>2023-07-30 11:15:12 -0600
committerBin Meng <bmeng.cn@gmail.com>2023-08-09 23:31:11 +0800
commit4c4ccc5a0499cf2abdca95415caf7443c760a26d (patch)
tree743d4ea57c5e865d48b3fb0ccd2be6afe5510bdd /include/usb.h
parentef8336e2705fce2502383f25d68188c6b1f94dd0 (diff)
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usb: Return -ENOENT when no devices are found
When USB finds no devices it currently returns -EPERM which bootstd does not understand. This causes other bootdevs of the same priority to be skipped. Fix this by returning the correct error code. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'include/usb.h')
-rw-r--r--include/usb.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/usb.h b/include/usb.h
index 42b001c3dd..09e3f0cb30 100644
--- a/include/usb.h
+++ b/include/usb.h
@@ -257,7 +257,14 @@ int usb_kbd_deregister(int force);
#endif
/* routines */
-int usb_init(void); /* initialize the USB Controller */
+
+/*
+ * usb_init() - initialize the USB Controllers
+ *
+ * Returns: 0 if OK, -ENOENT if there are no USB devices
+ */
+int usb_init(void);
+
int usb_stop(void); /* stop the USB Controller */
int usb_detect_change(void); /* detect if a USB device has been (un)plugged */