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Properly clear clear-on-write bits in the PP502x USB controller

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17066 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Bertrik Sikken 2008-04-10 22:28:18 +00:00
parent 10080b8420
commit 879c074656
1 changed files with 6 additions and 6 deletions
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12
firmware/target/arm/usb-drv-pp502x.c
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@ -428,7 +428,7 @@ void usb_drv_int(void)
/* usb transaction interrupt */
if (status & USBSTS_INT) {
REG_USBSTS |= USBSTS_INT;
REG_USBSTS = USBSTS_INT;
/* a control packet? */
if (REG_ENDPTSETUPSTAT & EPSETUP_STATUS_EP0) {
@ -441,20 +441,20 @@ void usb_drv_int(void)
/* error interrupt */
if (status & USBSTS_ERR) {
REG_USBSTS |= USBSTS_ERR;
REG_USBSTS = USBSTS_ERR;
logf("usb error int");
}
/* reset interrupt */
if (status & USBSTS_RESET) {
REG_USBSTS |= USBSTS_RESET;
REG_USBSTS = USBSTS_RESET;
bus_reset();
usb_core_bus_reset(); /* tell mom */
}
/* port change */
if (status & USBSTS_PORT_CHANGE) {
REG_USBSTS |= USBSTS_PORT_CHANGE;
REG_USBSTS = USBSTS_PORT_CHANGE;
}
}
@ -688,7 +688,7 @@ static void control_received(void)
tmp[1] = qh_array[0].setup_buffer[1];
/* acknowledge packet recieved */
REG_ENDPTSETUPSTAT |= EPSETUP_STATUS_EP0;
REG_ENDPTSETUPSTAT = EPSETUP_STATUS_EP0;
/* Stop pending control transfers */
for(i=0;i<2;i++) {
@ -706,7 +706,7 @@ static void transfer_completed(void)
{
int ep;
unsigned int mask = REG_ENDPTCOMPLETE;
REG_ENDPTCOMPLETE |= mask;
REG_ENDPTCOMPLETE = mask;
for (ep=0; ep<NUM_ENDPOINTS; ep++) {
int dir;