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path: root/drivers/usb/gadget/printer.c
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Diffstat (limited to 'drivers/usb/gadget/printer.c')
-rw-r--r--drivers/usb/gadget/printer.c24
1 files changed, 18 insertions, 6 deletions
diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c
index e0090085b78..5a3034fdfe4 100644
--- a/drivers/usb/gadget/printer.c
+++ b/drivers/usb/gadget/printer.c
@@ -53,6 +53,20 @@
#include "gadget_chips.h"
+
+/*
+ * Kbuild is not very cooperative with respect to linking separately
+ * compiled library objects into one module. So for now we won't use
+ * separate compilation ... ensuring init/exit sections work to shrink
+ * the runtime footprint, and giving us at least some parts of what
+ * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
+ */
+#include "usbstring.c"
+#include "config.c"
+#include "epautoconf.c"
+
+/*-------------------------------------------------------------------------*/
+
#define DRIVER_DESC "Printer Gadget"
#define DRIVER_VERSION "2007 OCT 06"
@@ -238,7 +252,7 @@ static struct usb_config_descriptor config_desc = {
.bConfigurationValue = DEV_CONFIG_VALUE,
.iConfiguration = 0,
.bmAttributes = USB_CONFIG_ATT_ONE | USB_CONFIG_ATT_SELFPOWER,
- .bMaxPower = 1 /* Self-Powered */
+ .bMaxPower = CONFIG_USB_GADGET_VBUS_DRAW / 2,
};
static struct usb_interface_descriptor intf_desc = {
@@ -1264,8 +1278,7 @@ unknown:
/* respond with data transfer before status phase? */
if (value >= 0) {
req->length = value;
- req->zero = value < wLength
- && (value % gadget->ep0->maxpacket) == 0;
+ req->zero = value < wLength;
value = usb_ep_queue(gadget->ep0, req, GFP_ATOMIC);
if (value < 0) {
DBG(dev, "ep_queue --> %d\n", value);
@@ -1360,8 +1373,8 @@ printer_bind(struct usb_gadget *gadget)
/* Setup the sysfs files for the printer gadget. */
- dev->pdev = device_create_drvdata(usb_gadget_class, NULL,
- g_printer_devno, NULL, "g_printer");
+ dev->pdev = device_create(usb_gadget_class, NULL, g_printer_devno,
+ NULL, "g_printer");
if (IS_ERR(dev->pdev)) {
ERROR(dev, "Failed to create device: g_printer\n");
goto fail;
@@ -1463,7 +1476,6 @@ autoconf_fail:
if (gadget->is_otg) {
otg_desc.bmAttributes |= USB_OTG_HNP,
config_desc.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
- config_desc.bMaxPower = 4;
}
spin_lock_init(&dev->lock);