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| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2012-10-22 22:14:57 +0200 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2012-10-31 14:01:15 +0100 |
| commit | bcb2f99c6c43a8da6cb4002e8b0acf6f1275f3a8 (patch) | |
| tree | 290cfa3262734c9010bd08dbf22cf45498e77bd9 /drivers/usb/gadget/f_rndis.c | |
| parent | usb: gadget: tcm_usb_gadget: NULL terminate the FS descriptor list (diff) | |
| download | linux-bcb2f99c6c43a8da6cb4002e8b0acf6f1275f3a8.tar.xz linux-bcb2f99c6c43a8da6cb4002e8b0acf6f1275f3a8.zip | |
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>
Diffstat (limited to 'drivers/usb/gadget/f_rndis.c')
| -rw-r--r-- | drivers/usb/gadget/f_rndis.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/usb/gadget/f_rndis.c b/drivers/usb/gadget/f_rndis.c index b1681e45aca7..61f4b13c6cf5 100644 --- a/drivers/usb/gadget/f_rndis.c +++ b/drivers/usb/gadget/f_rndis.c @@ -101,7 +101,7 @@ static unsigned int bitrate(struct usb_gadget *g) /* */ -#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 @@ static struct usb_endpoint_descriptor fs_notify_desc = { .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 @@ static struct usb_endpoint_descriptor hs_notify_desc = { .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 @@ static struct usb_endpoint_descriptor ss_notify_desc = { .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 = { |