usb: gadget: use a computation macro for INT endpoint interval
The 5+4 magic for HS tries to aim 32ms which is also what is intended
with 1 << 5 for FS. This little macro should make this easier to
understand.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/gadget/f_rndis.c b/drivers/usb/gadget/f_rndis.c
index b1681e4..61f4b13 100644
--- a/drivers/usb/gadget/f_rndis.c
+++ b/drivers/usb/gadget/f_rndis.c
@@ -101,7 +101,7 @@
/*
*/
-#define LOG2_STATUS_INTERVAL_MSEC 5 /* 1 << 5 == 32 msec */
+#define RNDIS_STATUS_INTERVAL_MS 32
#define STATUS_BYTECOUNT 8 /* 8 bytes data */
@@ -190,7 +190,7 @@
.bEndpointAddress = USB_DIR_IN,
.bmAttributes = USB_ENDPOINT_XFER_INT,
.wMaxPacketSize = cpu_to_le16(STATUS_BYTECOUNT),
- .bInterval = 1 << LOG2_STATUS_INTERVAL_MSEC,
+ .bInterval = RNDIS_STATUS_INTERVAL_MS,
};
static struct usb_endpoint_descriptor fs_in_desc = {
@@ -236,7 +236,7 @@
.bEndpointAddress = USB_DIR_IN,
.bmAttributes = USB_ENDPOINT_XFER_INT,
.wMaxPacketSize = cpu_to_le16(STATUS_BYTECOUNT),
- .bInterval = LOG2_STATUS_INTERVAL_MSEC + 4,
+ .bInterval = USB_MS_TO_HS_INTERVAL(RNDIS_STATUS_INTERVAL_MS)
};
static struct usb_endpoint_descriptor hs_in_desc = {
@@ -284,7 +284,7 @@
.bEndpointAddress = USB_DIR_IN,
.bmAttributes = USB_ENDPOINT_XFER_INT,
.wMaxPacketSize = cpu_to_le16(STATUS_BYTECOUNT),
- .bInterval = LOG2_STATUS_INTERVAL_MSEC + 4,
+ .bInterval = USB_MS_TO_HS_INTERVAL(RNDIS_STATUS_INTERVAL_MS)
};
static struct usb_ss_ep_comp_descriptor ss_intr_comp_desc = {