Changeset 77ded647 in mainline for uspace/drv/bus/usb/xhci/commands.c

Timestamp:

2018-02-01T11:42:11Z (7 years ago)

Author:

Ondřej Hlavatý <aearsis@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

3e6ff9a

Parents:

17d34a8

Message:

xhci: do not avoid 64-bit writes

File:

• uspace/drv/bus/usb/xhci/commands.c (modified) (2 diffs)

uspace/drv/bus/usb/xhci/commands.c

@@ -242 +242 @@
         cr_set_state(cr, XHCI_CR_STATE_CLOSED);
 
-        /* Some systems, inc. QEMU, need whole 64-bit qword to be written */
         XHCI_REG_SET(hc->op_regs, XHCI_OP_CS, 1);
-        XHCI_REG_SET(hc->op_regs, XHCI_OP_CRCR_HI, 0);
 
         while (XHCI_REG_RD(hc->op_regs, XHCI_OP_CRR))
@@ -283 +281 @@
 static void abort_command_ring(xhci_hc_t *hc)
 {
-        /* Some systems, inc. QEMU, need whole 64-bit qword to be written */
         XHCI_REG_SET(hc->op_regs, XHCI_OP_CA, 1);
-        XHCI_REG_SET(hc->op_regs, XHCI_OP_CRCR_HI, 0);
 }