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as3525v2-usb: mask usb interrupt when setting up a transfer

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29130 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Amaury Pouly 2011-01-24 15:34:14 +00:00
parent 297ca4b1af
commit 9b02ce9e49
1 changed files with 6 additions and 0 deletions
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6
firmware/target/arm/as3525/usb-drv-as3525v2.c
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@ -748,6 +748,9 @@ static int usb_drv_transfer(int ep, void *ptr, int len, bool dir_in, bool blocki
logf("usb-drv: xfer EP%d, len=%d, dir_in=%d, blocking=%d", ep,
len, dir_in, blocking);
/* mask the usb interrupt to avoid any race */
VIC_INT_EN_CLEAR = INTERRUPT_USB;
volatile unsigned long *epctl = dir_in ? &DIEPCTL(ep) : &DOEPCTL(ep);
volatile unsigned long *eptsiz = dir_in ? &DIEPTSIZ(ep) : &DOEPTSIZ(ep);
volatile unsigned long *epdma = dir_in ? &DIEPDMA(ep) : &DOEPDMA(ep);
@ -789,6 +792,9 @@ static int usb_drv_transfer(int ep, void *ptr, int len, bool dir_in, bool blocki
DEPCTL |= DEPCTL_epena | DEPCTL_cnak;
/* unmask the usb interrupt */
VIC_INT_ENABLE = INTERRUPT_USB;
if(blocking)
{
wakeup_wait(&endpoint->complete, TIMEOUT_BLOCK);