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authorGerd Hoffmann <kraxel@redhat.com>2013-11-20 07:33:28 +0100
committerGerd Hoffmann <kraxel@redhat.com>2013-11-28 15:39:27 +0100
commit0b1fa34e1dd2764ee7ae2be849e1c5ba5e8724ca (patch)
treed9247e45c67b950cfd167023902045c6ba28b67f /hw/usb/desc.h
parent2b81ba53887e6f3b5a79ecd2f446f849ed89561f (diff)
usb: move usb_{hi,lo} helpers to header file.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/usb/desc.h')
-rw-r--r--hw/usb/desc.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/hw/usb/desc.h b/hw/usb/desc.h
index ddd3e7485c..81327b0e74 100644
--- a/hw/usb/desc.h
+++ b/hw/usb/desc.h
@@ -194,6 +194,17 @@ struct USBDesc {
#define USB_DESC_FLAG_SUPER (1 << 1)
+/* little helpers */
+static inline uint8_t usb_lo(uint16_t val)
+{
+ return val & 0xff;
+}
+
+static inline uint8_t usb_hi(uint16_t val)
+{
+ return (val >> 8) & 0xff;
+}
+
/* generate usb packages from structs */
int usb_desc_device(const USBDescID *id, const USBDescDevice *dev,
uint8_t *dest, size_t len);