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| author | Stephen Warren <swarren@nvidia.com> | 2014-07-01 11:41:17 -0600 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2014-07-02 15:45:38 +0200 |
| commit | 6ac15fda4e2b9ad45b7769037964110f7f597b5c (patch) | |
| tree | 4abffef41e7756864141c23a39a3b15209a6d9c2 /drivers/usb/gadget | |
| parent | 7e5418877550d8d7a9a2c5d73f93fc95ecd595a9 (diff) | |
| download | u-boot-imx-6ac15fda4e2b9ad45b7769037964110f7f597b5c.zip u-boot-imx-6ac15fda4e2b9ad45b7769037964110f7f597b5c.tar.gz u-boot-imx-6ac15fda4e2b9ad45b7769037964110f7f597b5c.tar.bz2 | |
usb: ci_udc: remove controller.items array
There's no need to store an array of QTD pointers in the controller.
Since the calculation is so simple, just have ci_get_qtd() perform it
at run-time, rather than pre-calculating everything.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Diffstat (limited to 'drivers/usb/gadget')
| -rw-r--r-- | drivers/usb/gadget/ci_udc.c | 8 | ||||
| -rw-r--r-- | drivers/usb/gadget/ci_udc.h | 1 |
2 files changed, 3 insertions, 6 deletions
diff --git a/drivers/usb/gadget/ci_udc.c b/drivers/usb/gadget/ci_udc.c index abaf898..8913867 100644 --- a/drivers/usb/gadget/ci_udc.c +++ b/drivers/usb/gadget/ci_udc.c @@ -146,7 +146,9 @@ static struct ept_queue_head *ci_get_qh(int ep_num, int dir_in) */ static struct ept_queue_item *ci_get_qtd(int ep_num, int dir_in) { - return controller.items[(ep_num * 2) + dir_in]; + int index = (ep_num * 2) + dir_in; + uint8_t *imem = controller.items_mem + (index * ILIST_ENT_SZ); + return (struct ept_queue_item *)imem; } /** @@ -790,7 +792,6 @@ static int ci_pullup(struct usb_gadget *gadget, int is_on) static int ci_udc_probe(void) { struct ept_queue_head *head; - uint8_t *imem; int i; const int num = 2 * NUM_ENDPOINTS; @@ -831,9 +832,6 @@ static int ci_udc_probe(void) head->next = TERMINATE; head->info = 0; - imem = controller.items_mem + (i * ILIST_ENT_SZ); - controller.items[i] = (struct ept_queue_item *)imem; - if (i & 1) { ci_flush_qh(i / 2); ci_flush_qtd(i / 2); diff --git a/drivers/usb/gadget/ci_udc.h b/drivers/usb/gadget/ci_udc.h index c214402..346164a 100644 --- a/drivers/usb/gadget/ci_udc.h +++ b/drivers/usb/gadget/ci_udc.h @@ -102,7 +102,6 @@ struct ci_drv { struct usb_gadget_driver *driver; struct ehci_ctrl *ctrl; struct ept_queue_head *epts; - struct ept_queue_item *items[2 * NUM_ENDPOINTS]; uint8_t *items_mem; struct ci_ep ep[NUM_ENDPOINTS]; }; |