Before adding driver model support, split out code from this over-long function.
Signed-off-by: Simon Glass sjg@chromium.org ---
Changes in v2: None
common/usb_kbd.c | 89 ++++++++++++++++++++++++++++++++------------------------ 1 file changed, 51 insertions(+), 38 deletions(-)
diff --git a/common/usb_kbd.c b/common/usb_kbd.c index ecc3085..e02529f 100644 --- a/common/usb_kbd.c +++ b/common/usb_kbd.c @@ -471,59 +471,72 @@ static int usb_kbd_probe(struct usb_device *dev, unsigned int ifnum) return 1; }
+static int probe_usb_keyboard(struct usb_device *dev) +{ + char *stdinname; + struct stdio_dev usb_kbd_dev; + int error; + + /* Try probing the keyboard */ + if (usb_kbd_probe(dev, 0) != 1) + return -ENOENT; + + /* Register the keyboard */ + debug("USB KBD: register.\n"); + memset(&usb_kbd_dev, 0, sizeof(struct stdio_dev)); + strcpy(usb_kbd_dev.name, DEVNAME); + usb_kbd_dev.flags = DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM; + usb_kbd_dev.getc = usb_kbd_getc; + usb_kbd_dev.tstc = usb_kbd_testc; + usb_kbd_dev.priv = (void *)dev; + error = stdio_register(&usb_kbd_dev); + if (error) + return error; + + stdinname = getenv("stdin"); +#ifdef CONFIG_CONSOLE_MUX + error = iomux_doenv(stdin, stdinname); + if (error) + return error; +#else + /* Check if this is the standard input device. */ + if (strcmp(stdinname, DEVNAME)) + return 1; + + /* Reassign the console */ + if (overwrite_console()) + return 1; + + error = console_assign(stdin, DEVNAME); + if (error) + return error; +#endif + + return 0; +} + /* Search for keyboard and register it if found. */ int drv_usb_kbd_init(void) { - struct stdio_dev usb_kbd_dev; - struct usb_device *dev; - char *stdinname = getenv("stdin"); int error, i;
- /* Scan all USB Devices */ + debug("%s: Probing for keyboard\n", __func__);/* Scan all USB Devices */ for (i = 0; i < USB_MAX_DEVICE; i++) { + struct usb_device *dev; + /* Get USB device. */ dev = usb_get_dev_index(i); if (!dev) - return -1; + break;
if (dev->devnum == -1) continue;
- /* Try probing the keyboard */ - if (usb_kbd_probe(dev, 0) != 1) - continue; - - /* Register the keyboard */ - debug("USB KBD: register.\n"); - memset(&usb_kbd_dev, 0, sizeof(struct stdio_dev)); - strcpy(usb_kbd_dev.name, DEVNAME); - usb_kbd_dev.flags = DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM; - usb_kbd_dev.getc = usb_kbd_getc; - usb_kbd_dev.tstc = usb_kbd_testc; - usb_kbd_dev.priv = (void *)dev; - error = stdio_register(&usb_kbd_dev); - if (error) - return error; - -#ifdef CONFIG_CONSOLE_MUX - error = iomux_doenv(stdin, stdinname); - if (error) - return error; -#else - /* Check if this is the standard input device. */ - if (strcmp(stdinname, DEVNAME)) - return 1; - - /* Reassign the console */ - if (overwrite_console()) + error = probe_usb_keyboard(dev); + if (!error) return 1; - - error = console_assign(stdin, DEVNAME); - if (error) + if (error && error != -ENOENT) return error; -#endif - - return 1; }
/* No USB Keyboard found */