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[adm5120] USB driver cleanups, no it is still not finished

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9543 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg
2007-11-12 13:55:06 +00:00
parent 5251857754
commit f02f581137
4 changed files with 9 additions and 161 deletions
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54
target/linux/adm5120/files/drivers/usb/host/adm5120-hub.c
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@@ -261,58 +261,16 @@ static void start_hnp(struct admhcd *ahcd);
static inline int admhc_port_reset(struct admhcd *ahcd, unsigned port)
{
u32 t;
int c;
admhc_vdbg(ahcd, "reset port%d\n", port);
t = admhc_read_portstatus(ahcd, port);
if (!(t & ADMHC_PS_CCS))
return -ENODEV;
if ((t & ADMHC_PS_PRS))
return 0;
admhc_write_portstatus(ahcd, port, ADMHC_PS_PRS);
c = 0;
do {
t = admhc_read_portstatus(ahcd, port);
if (t & ADMHC_PS_PRSC)
break;
if (++c > 20) {
admhc_err(ahcd, "port%d reset timed out\n",port);
return -EPIPE;
}
mdelay(PORT_RESET_HW_MSEC);
} while (1);
admhc_vdbg(ahcd, "port%d reset completed within %dms\n", port,
c * PORT_RESET_HW_MSEC);
t = admhc_read_portstatus(ahcd, port);
if (!(t & ADMHC_PS_CCS)) {
admhc_err(ahcd, "port%d is not connected after reset\n",port);
return -ENODEV;
}
admhc_write_portstatus(ahcd, port, ADMHC_PS_SPE);
c = 0;
do {
t = admhc_read_portstatus(ahcd, port);
if (t & ADMHC_PS_PESC)
break;
if (++c > 20) {
admhc_err(ahcd, "port%d enable timed out\n",port);
return -EPIPE;
}
mdelay(PORT_RESET_HW_MSEC);
} while (1);
admhc_vdbg(ahcd, "port%d enable completed within %dms\n", port,
c * PORT_RESET_HW_MSEC);
admhc_write_portstatus(ahcd, port, ADMHC_PS_CSC);
admhc_write_portstatus(ahcd, port, ADMHC_PS_SPR);
mdelay(10);
admhc_write_portstatus(ahcd, port, (ADMHC_PS_SPE | ADMHC_PS_CSC));
mdelay(100);
return 0;
}
@@ -340,7 +298,7 @@ static inline int admhc_port_disable(struct admhcd *ahcd, unsigned port)
if (!(t & ADMHC_PS_CCS))
return -ENODEV;
admhc_write_portstatus(ahcd, ADMHC_PS_CPE, port);
admhc_write_portstatus(ahcd, port, ADMHC_PS_CPE);
return 0;
}
@@ -348,7 +306,9 @@ static inline int admhc_port_disable(struct admhcd *ahcd, unsigned port)
static inline int admhc_port_write(struct admhcd *ahcd, unsigned port,
u32 val)
{
#ifdef ADMHC_VERBOSE_DEBUG
dbg_port_write(ahcd, "write", port, val);
#endif
admhc_write_portstatus(ahcd, port, val);
return 0;