libpayload: ehci: Fix warnings about discarded volatile
We can trust free() and memset() to work correctly on volatile references, so cast volatile pointers to (void *) when calling them. Change-Id: Ieff7f78133b72f303349cca0a0ca3bbf37ec52bb Signed-off-by: Nico Huber <nico.huber@secunet.com> Reviewed-on: http://review.coreboot.org/1896 Reviewed-by: Patrick Georgi <patrick@georgi-clan.de> Tested-by: build bot (Jenkins)
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@ -102,7 +102,7 @@ static void ehci_shutdown (hci_t *controller)
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free(phys_to_virt(EHCI_INST(controller)->operation->periodiclistbase));
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/* Free dummy QH */
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free(EHCI_INST(controller)->dummy_qh);
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free((void *)EHCI_INST(controller)->dummy_qh);
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EHCI_INST(controller)->operation->configflag = 0;
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@ -179,10 +179,10 @@ static void free_qh_and_tds(ehci_qh_t *qh, qtd_t *cur)
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qtd_t *next;
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while (cur) {
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next = (qtd_t*)phys_to_virt(cur->next_qtd & ~31);
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free(cur);
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free((void *)cur);
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cur = next;
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}
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free(qh);
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free((void *)qh);
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}
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static int wait_for_tds(qtd_t *head)
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@ -288,7 +288,7 @@ static int ehci_bulk (endpoint_t *ep, int size, u8 *data, int finalize)
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qtd_t *head = memalign(32, sizeof(qtd_t));
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qtd_t *cur = head;
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while (1) {
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memset(cur, 0, sizeof(qtd_t));
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memset((void *)cur, 0, sizeof(qtd_t));
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cur->token = QTD_ACTIVE |
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(pid << QTD_PID_SHIFT) |
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(0 << QTD_CERR_SHIFT);
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@ -309,7 +309,7 @@ static int ehci_bulk (endpoint_t *ep, int size, u8 *data, int finalize)
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/* create QH */
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ehci_qh_t *qh = memalign(32, sizeof(ehci_qh_t));
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memset(qh, 0, sizeof(ehci_qh_t));
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memset((void *)qh, 0, sizeof(ehci_qh_t));
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qh->horiz_link_ptr = virt_to_phys(qh) | QH_QH;
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qh->epchar = ep->dev->address |
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(endp << QH_EP_SHIFT) |
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@ -356,7 +356,7 @@ static int ehci_control (usbdev_t *dev, direction_t dir, int drlen, void *devreq
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/* create qTDs */
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qtd_t *head = memalign(32, sizeof(qtd_t));
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qtd_t *cur = head;
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memset(cur, 0, sizeof(qtd_t));
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memset((void *)cur, 0, sizeof(qtd_t));
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cur->token = QTD_ACTIVE |
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(toggle?QTD_TOGGLE_DATA1:0) |
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(EHCI_SETUP << QTD_PID_SHIFT) |
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@ -373,7 +373,7 @@ static int ehci_control (usbdev_t *dev, direction_t dir, int drlen, void *devreq
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if (dalen > 0) {
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toggle ^= 1;
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cur = next;
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memset(cur, 0, sizeof(qtd_t));
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memset((void *)cur, 0, sizeof(qtd_t));
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cur->token = QTD_ACTIVE |
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(toggle?QTD_TOGGLE_DATA1:0) |
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(((dir == OUT)?EHCI_OUT:EHCI_IN) << QTD_PID_SHIFT) |
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@ -388,7 +388,7 @@ static int ehci_control (usbdev_t *dev, direction_t dir, int drlen, void *devreq
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toggle = 1;
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cur = next;
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memset(cur, 0, sizeof(qtd_t));
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memset((void *)cur, 0, sizeof(qtd_t));
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cur->token = QTD_ACTIVE |
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(toggle?QTD_TOGGLE_DATA1:QTD_TOGGLE_DATA0) |
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((dir == OUT)?EHCI_IN:EHCI_OUT) << QTD_PID_SHIFT |
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@ -399,7 +399,7 @@ static int ehci_control (usbdev_t *dev, direction_t dir, int drlen, void *devreq
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/* create QH */
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ehci_qh_t *qh = memalign(32, sizeof(ehci_qh_t));
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memset(qh, 0, sizeof(ehci_qh_t));
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memset((void *)qh, 0, sizeof(ehci_qh_t));
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qh->horiz_link_ptr = virt_to_phys(qh) | QH_QH;
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qh->epchar = dev->address |
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(endp << QH_EP_SHIFT) |
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@ -525,7 +525,7 @@ static void *ehci_create_intr_queue(
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/* initialize QH */
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const int endp = ep->endpoint & 0xf;
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memset(&intrq->qh, 0, sizeof(intrq->qh));
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memset((void *)&intrq->qh, 0, sizeof(intrq->qh));
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intrq->qh.horiz_link_ptr = PS_TERMINATE;
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intrq->qh.epchar = ep->dev->address |
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(endp << QH_EP_SHIFT) |
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@ -628,7 +628,7 @@ static u8 *ehci_poll_intr_queue(void *const queue)
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/* reset queue if we fully processed it after underrun */
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else if (intrq->qh.td.next_qtd & QTD_TERMINATE) {
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usb_debug("resetting underrun ehci interrupt queue.\n");
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memset(&intrq->qh.td, 0, sizeof(intrq->qh.td));
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memset((void *)&intrq->qh.td, 0, sizeof(intrq->qh.td));
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intrq->qh.td.next_qtd = virt_to_phys(&intrq->head->td);
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}
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return ret;
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@ -699,7 +699,7 @@ ehci_init (pcidev_t addr)
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* and doesn't violate the standard.
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*/
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EHCI_INST(controller)->dummy_qh = (ehci_qh_t *)memalign(32, sizeof(ehci_qh_t));
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memset(EHCI_INST(controller)->dummy_qh, 0,
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memset((void *)EHCI_INST(controller)->dummy_qh, 0,
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sizeof(*EHCI_INST(controller)->dummy_qh));
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EHCI_INST(controller)->dummy_qh->horiz_link_ptr = QH_TERMINATE;
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for (i = 0; i < 1024; ++i)
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