diff options
author | Alan Stern <stern@rowland.harvard.edu> | 2005-05-10 19:28:38 (GMT) |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2005-06-27 21:43:59 (GMT) |
commit | cc095b0b5b653dca3e106710a72ba28b5bb7456b (patch) | |
tree | 0613dcff920b191c14d4524ce304f50e91d2b81e /drivers/usb/gadget/dummy_hcd.c | |
parent | f0706930091902641929f2229bfb106144782c94 (diff) | |
download | linux-fsl-qoriq-cc095b0b5b653dca3e106710a72ba28b5bb7456b.tar.xz |
[PATCH] USB: dummy_hcd: sparse cleanups
This patch fixes the byte-ordering issue for setup packets in the
dummy_hcd driver and cleans up a few things that sparse -Wbitwise
dislikes.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/gadget/dummy_hcd.c')
-rw-r--r-- | drivers/usb/gadget/dummy_hcd.c | 40 |
1 files changed, 23 insertions, 17 deletions
diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c index f9540ad..c78c64a 100644 --- a/drivers/usb/gadget/dummy_hcd.c +++ b/drivers/usb/gadget/dummy_hcd.c @@ -734,7 +734,7 @@ show_function (struct device *dev, struct device_attribute *attr, char *buf) return 0; return scnprintf (buf, PAGE_SIZE, "%s\n", dum->driver->function); } -DEVICE_ATTR (function, S_IRUGO, show_function, NULL); +static DEVICE_ATTR (function, S_IRUGO, show_function, NULL); /*-------------------------------------------------------------------------*/ @@ -857,6 +857,9 @@ EXPORT_SYMBOL (usb_gadget_unregister_driver); #undef is_enabled +/* just declare this in any driver that really need it */ +extern int net2280_set_fifo_mode (struct usb_gadget *gadget, int mode); + int net2280_set_fifo_mode (struct usb_gadget *gadget, int mode) { return -ENOSYS; @@ -1122,7 +1125,6 @@ static int periodic_bytes (struct dummy *dum, struct dummy_ep *ep) /* high bandwidth mode */ tmp = le16_to_cpu(ep->desc->wMaxPacketSize); - tmp = le16_to_cpu (tmp); tmp = (tmp >> 11) & 0x03; tmp *= 8 /* applies to entire frame */; limit += limit * tmp; @@ -1265,9 +1267,14 @@ restart: struct usb_ctrlrequest setup; int value = 1; struct dummy_ep *ep2; + unsigned w_index; + unsigned w_value; setup = *(struct usb_ctrlrequest*) urb->setup_packet; - if (setup.wLength != urb->transfer_buffer_length) { + w_index = le16_to_cpu(setup.wIndex); + w_value = le16_to_cpu(setup.wValue); + if (le16_to_cpu(setup.wLength) != + urb->transfer_buffer_length) { maybe_set_status (urb, -EOVERFLOW); goto return_urb; } @@ -1297,16 +1304,16 @@ restart: case USB_REQ_SET_ADDRESS: if (setup.bRequestType != Dev_Request) break; - dum->address = setup.wValue; + dum->address = w_value; maybe_set_status (urb, 0); dev_dbg (udc_dev(dum), "set_address = %d\n", - setup.wValue); + w_value); value = 0; break; case USB_REQ_SET_FEATURE: if (setup.bRequestType == Dev_Request) { value = 0; - switch (setup.wValue) { + switch (w_value) { case USB_DEVICE_REMOTE_WAKEUP: break; case USB_DEVICE_B_HNP_ENABLE: @@ -1324,14 +1331,13 @@ restart: } if (value == 0) { dum->devstatus |= - (1 << setup.wValue); + (1 << w_value); maybe_set_status (urb, 0); } } else if (setup.bRequestType == Ep_Request) { // endpoint halt - ep2 = find_endpoint (dum, - setup.wIndex); + ep2 = find_endpoint (dum, w_index); if (!ep2) { value = -EOPNOTSUPP; break; @@ -1343,7 +1349,7 @@ restart: break; case USB_REQ_CLEAR_FEATURE: if (setup.bRequestType == Dev_Request) { - switch (setup.wValue) { + switch (w_value) { case USB_DEVICE_REMOTE_WAKEUP: dum->devstatus &= ~(1 << USB_DEVICE_REMOTE_WAKEUP); @@ -1356,8 +1362,7 @@ restart: } } else if (setup.bRequestType == Ep_Request) { // endpoint halt - ep2 = find_endpoint (dum, - setup.wIndex); + ep2 = find_endpoint (dum, w_index); if (!ep2) { value = -EOPNOTSUPP; break; @@ -1383,7 +1388,7 @@ restart: if (urb->transfer_buffer_length > 0) { if (setup.bRequestType == Ep_InRequest) { - ep2 = find_endpoint (dum, setup.wIndex); + ep2 = find_endpoint (dum, w_index); if (!ep2) { value = -EOPNOTSUPP; break; @@ -1535,7 +1540,8 @@ hub_descriptor (struct usb_hub_descriptor *desc) memset (desc, 0, sizeof *desc); desc->bDescriptorType = 0x29; desc->bDescLength = 9; - desc->wHubCharacteristics = __constant_cpu_to_le16 (0x0001); + desc->wHubCharacteristics = (__force __u16) + (__constant_cpu_to_le16 (0x0001)); desc->bNbrPorts = 1; desc->bitmap [0] = 0xff; desc->bitmap [1] = 0xff; @@ -1581,7 +1587,7 @@ static int dummy_hub_control ( hub_descriptor ((struct usb_hub_descriptor *) buf); break; case GetHubStatus: - *(u32 *) buf = __constant_cpu_to_le32 (0); + *(__le32 *) buf = __constant_cpu_to_le32 (0); break; case GetPortStatus: if (wIndex != 1) @@ -1621,8 +1627,8 @@ static int dummy_hub_control ( } } set_link_state (dum); - ((u16 *) buf)[0] = cpu_to_le16 (dum->port_status); - ((u16 *) buf)[1] = cpu_to_le16 (dum->port_status >> 16); + ((__le16 *) buf)[0] = cpu_to_le16 (dum->port_status); + ((__le16 *) buf)[1] = cpu_to_le16 (dum->port_status >> 16); break; case SetHubFeature: retval = -EPIPE; |