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usbuhci, usbehci: remove portlck qlock

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Everything is already serialized by usbd. For ehci, portlck
also doubled for waiting for doorbell, so rename it to match
its use case.
This commit is contained in:
cinap_lenrek 2024-12-29 17:09:51 +00:00
parent 68c89f4a43
commit 5ea80693ba
6 changed files with 6 additions and 21 deletions
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2
sys/src/9/kw/usbehci.h
View file

@ -167,7 +167,7 @@ struct Ctlr
{
Rendez; /* for waiting to async advance doorbell */
Lock; /* for ilock. qh lists and basic ctlr I/O */
QLock portlck; /* for port resets/enable... (and doorbell) */
QLock doorbell; /* for doorbell */
int active; /* in use or not */
Ecapio* capio; /* Capability i/o regs */
Eopio* opio; /* Operational i/o regs */

2
sys/src/9/omap/usbehci.h
View file

@ -145,7 +145,7 @@ struct Ctlr
{
Rendez; /* for waiting to async advance doorbell */
Lock; /* for ilock. qh lists and basic ctlr I/O */
QLock portlck; /* for port resets/enable... (and doorbell) */
QLock doorbell; /* for doorbell */
int active; /* in use or not */
Ecapio* capio; /* Capability i/o regs */
Eopio* opio; /* Operational i/o regs */

2
sys/src/9/pc/usbehci.h
View file

@ -168,7 +168,7 @@ struct Ctlr
{
Rendez; /* for waiting to async advance doorbell */
Lock; /* for ilock. qh lists and basic ctlr I/O */
QLock portlck; /* for port resets/enable... (and doorbell) */
QLock doorbell; /* for doorbell */
int active; /* in use or not */
Ctlr* next;
uvlong base;

7
sys/src/9/pc/usbuhci.c
View file

@ -141,7 +141,6 @@ enum
struct Ctlr
{
Lock; /* for ilock. qh lists and basic ctlr I/O */
QLock portlck; /* for port resets/enable... */
Pcidev* pcidev;
Ctlr *next;
int active;
@ -2030,7 +2029,6 @@ portenable(Hci *hp, int port, int on)
ctlr = hp->aux;
ioport = PORT(port-1);
eqlock(&ctlr->portlck);
ilock(ctlr);
s = INS(ioport);
if(on)
@ -2038,7 +2036,6 @@ portenable(Hci *hp, int port, int on)
else
OUTS(ioport, s & ~PSenable);
iunlock(ctlr);
qunlock(&ctlr->portlck);
}
static void
@ -2049,14 +2046,12 @@ portreset(Hci *hp, int port, int on)
ctlr = hp->aux;
ioport = PORT(port-1);
eqlock(&ctlr->portlck);
ilock(ctlr);
if(on)
OUTS(ioport, PSreset);
else
OUTS(ioport, INS(ioport) & ~PSreset);
iunlock(ctlr);
qunlock(&ctlr->portlck);
}
static int
@ -2067,7 +2062,6 @@ portstatus(Hci *hp, int port)
ctlr = hp->aux;
ioport = PORT(port-1);
eqlock(&ctlr->portlck);
ilock(ctlr);
s = INS(ioport);
if(s & (PSstatuschg | PSchange)){
@ -2075,7 +2069,6 @@ portstatus(Hci *hp, int port)
ddprint("uhci %#ux port %d status %#x\n", ctlr->port, port, s);
}
iunlock(ctlr);
qunlock(&ctlr->portlck);
/*
* We must return status bits as a

12
sys/src/9/port/usbehci.c
View file

@ -738,7 +738,7 @@ qhcoherency(Ctlr *ctlr)
{
int i;
qlock(&ctlr->portlck);
qlock(&ctlr->doorbell);
ctlr->opio->cmd |= Ciasync; /* ask for intr. on async advance */
coherence();
for(i = 0; i < 3 && qhadvanced(ctlr) == 0; i++){
@ -751,7 +751,7 @@ qhcoherency(Ctlr *ctlr)
if(i == 3)
print("ehci: async advance doorbell did not ring\n");
ctlr->opio->cmd &= ~Ciasync; /* try to clean */
qunlock(&ctlr->portlck);
qunlock(&ctlr->doorbell);
}
static void
@ -1657,7 +1657,6 @@ portpower(Hci *hp, int port, int on)
ctlr = hp->aux;
opio = ctlr->opio;
eqlock(&ctlr->portlck);
ilock(ctlr);
s = opio->portsc[port-1] & ~(Pschange|Psstatuschg);
if(on)
@ -1666,7 +1665,6 @@ portpower(Hci *hp, int port, int on)
s &= ~Pspower;
opio->portsc[port-1] = s;
iunlock(ctlr);
qunlock(&ctlr->portlck);
}
static void
@ -1678,7 +1676,6 @@ portenable(Hci *hp, int port, int on)
ctlr = hp->aux;
opio = ctlr->opio;
eqlock(&ctlr->portlck);
ilock(ctlr);
s = opio->portsc[port-1];
if(s & (Psstatuschg | Pschange))
@ -1691,7 +1688,6 @@ portenable(Hci *hp, int port, int on)
opio->portsc[port-1] &= ~Psenable;
}
iunlock(ctlr);
qunlock(&ctlr->portlck);
}
static void
@ -1702,14 +1698,12 @@ portreset(Hci *hp, int port, int on)
ctlr = hp->aux;
opio = ctlr->opio;
eqlock(&ctlr->portlck);
ilock(ctlr);
if(on)
opio->portsc[port-1] = (opio->portsc[port-1] & ~Psenable) | Psreset; /* initiate reset */
else
opio->portsc[port-1] &= ~Psreset; /* terminate reset */
iunlock(ctlr);
qunlock(&ctlr->portlck);
}
static int
@ -1721,7 +1715,6 @@ portstatus(Hci *hp, int port)
ctlr = hp->aux;
opio = ctlr->opio;
eqlock(&ctlr->portlck);
ilock(ctlr);
s = opio->portsc[port-1];
if(s & (Psstatuschg | Pschange))
@ -1735,7 +1728,6 @@ portstatus(Hci *hp, int port)
s &= ~Pspresent; /* not for us this time */
}
iunlock(ctlr);
qunlock(&ctlr->portlck);
/*
* We must return status bits as a

2
sys/src/9/zynq/usbehci.h
View file

@ -122,7 +122,7 @@ struct Ctlr
{
Rendez; /* for waiting to async advance doorbell */
Lock; /* for ilock. qh lists and basic ctlr I/O */
QLock portlck; /* for port resets/enable... (and doorbell) */
QLock doorbell; /* for doorbell */
int active; /* in use or not */
void* capio; /* base address for debug info */
Eopio* opio; /* Operational i/o regs */