USB: gadget: ci13xxx: don't assume that PAGE_SIZE is 4096
Page size for transaction descriptors for CI13XXX has nothing
common with page size from MM. Using platform and configuration
specific PAGE_SIZE is wrong.
Signed-off-by: Artem Leonenko <tikkeri@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c
index 0060eef..31656a2 100644
--- a/drivers/usb/gadget/ci13xxx_udc.c
+++ b/drivers/usb/gadget/ci13xxx_udc.c
@@ -1460,7 +1460,7 @@
mReq->ptr->page[0] = mReq->req.dma;
for (i = 1; i < 5; i++)
mReq->ptr->page[i] =
- (mReq->req.dma + i * PAGE_SIZE) & ~TD_RESERVED_MASK;
+ (mReq->req.dma + i * CI13XXX_PAGE_SIZE) & ~TD_RESERVED_MASK;
/*
* QH configuration
@@ -2159,8 +2159,8 @@
goto done;
}
- if (req->length > (4 * PAGE_SIZE)) {
- req->length = (4 * PAGE_SIZE);
+ if (req->length > (4 * CI13XXX_PAGE_SIZE)) {
+ req->length = (4 * CI13XXX_PAGE_SIZE);
retval = -EMSGSIZE;
warn("request length truncated");
}
@@ -2410,13 +2410,13 @@
/* alloc resources */
udc->qh_pool = dma_pool_create("ci13xxx_qh", &udc->gadget.dev,
sizeof(struct ci13xxx_qh),
- 64, PAGE_SIZE);
+ 64, CI13XXX_PAGE_SIZE);
if (udc->qh_pool == NULL)
return -ENOMEM;
udc->td_pool = dma_pool_create("ci13xxx_td", &udc->gadget.dev,
sizeof(struct ci13xxx_td),
- 64, PAGE_SIZE);
+ 64, CI13XXX_PAGE_SIZE);
if (udc->td_pool == NULL) {
dma_pool_destroy(udc->qh_pool);
udc->qh_pool = NULL;