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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-04-24 12:33:10 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-04-24 12:33:10 -0700
commite988f306e7241a0adddb650357d34b6537d77b0e (patch)
tree6f13d31af2ec7518785ce73dcb6b850f70964f17 /drivers/usb/dwc3/gadget.c
parenta798c10faf62a505d24e5f6213fbaf904a39623f (diff)
parenta31a942a148e0083ce560ffeb54fb60e06ab7201 (diff)
downloadlinux-e988f306e7241a0adddb650357d34b6537d77b0e.tar.bz2
Merge tag 'fixes-for-v3.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes: usb: fixes for v3.15-rc3 Quite a few fixes this time since I lost v3.15-rc2 window. Most fixes are MUSB which learned to remove its debugfs directories properly, got a fix for PHY handling and now knows that it should make sure its clocks aren't gated before trying to access registers. ffs got a race fix between ffs_epfile_io() and ffs_func_eps_disable(). dwc3 got a fix for system suspend/resume and now only iterates over valid endpoints when trying to resize TX fifos. usb_get_phy() now will properly return an error if try_module_get() fails. We also have a revert for a NAPI conversion on the ethernet gadget which was causing a kernel BUG. Signed-of-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc3/gadget.c')
-rw-r--r--drivers/usb/dwc3/gadget.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index a740eac74d56..70715eeededd 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -187,15 +187,12 @@ int dwc3_gadget_resize_tx_fifos(struct dwc3 *dwc)
* improve this algorithm so that we better use the internal
* FIFO space
*/
- for (num = 0; num < DWC3_ENDPOINTS_NUM; num++) {
- struct dwc3_ep *dep = dwc->eps[num];
- int fifo_number = dep->number >> 1;
+ for (num = 0; num < dwc->num_in_eps; num++) {
+ /* bit0 indicates direction; 1 means IN ep */
+ struct dwc3_ep *dep = dwc->eps[(num << 1) | 1];
int mult = 1;
int tmp;
- if (!(dep->number & 1))
- continue;
-
if (!(dep->flags & DWC3_EP_ENABLED))
continue;
@@ -224,8 +221,7 @@ int dwc3_gadget_resize_tx_fifos(struct dwc3 *dwc)
dev_vdbg(dwc->dev, "%s: Fifo Addr %04x Size %d\n",
dep->name, last_fifo_depth, fifo_size & 0xffff);
- dwc3_writel(dwc->regs, DWC3_GTXFIFOSIZ(fifo_number),
- fifo_size);
+ dwc3_writel(dwc->regs, DWC3_GTXFIFOSIZ(num), fifo_size);
last_fifo_depth += (fifo_size & 0xffff);
}