Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 10780
b: refs/heads/master
c: 74ad9bd
h: refs/heads/master
v: v3
  • Loading branch information
Greg Kroah-Hartman committed Oct 28, 2005
1 parent 25e0ef3 commit 05f46d5
Show file tree
Hide file tree
Showing 3 changed files with 14 additions and 12 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 22efcf4adec4262e0f49e6225f6cd070e4a85d20
refs/heads/master: 74ad9bd2fcf0fa203655e0d904809b06c4202bf8
22 changes: 12 additions & 10 deletions trunk/drivers/usb/core/hub.c
Original file line number Diff line number Diff line change
Expand Up @@ -436,9 +436,10 @@ static void hub_power_on(struct usb_hub *hub)
{
int port1;
unsigned pgood_delay = hub->descriptor->bPwrOn2PwrGood * 2;
u16 wHubCharacteristics = le16_to_cpu(hub->descriptor->wHubCharacteristics);

/* if hub supports power switching, enable power on each port */
if ((hub->descriptor->wHubCharacteristics & HUB_CHAR_LPSM) < 2) {
if ((wHubCharacteristics & HUB_CHAR_LPSM) < 2) {
dev_dbg(hub->intfdev, "enabling power on all ports\n");
for (port1 = 1; port1 <= hub->descriptor->bNbrPorts; port1++)
set_port_feature(hub->hdev, port1,
Expand Down Expand Up @@ -525,6 +526,7 @@ static int hub_configure(struct usb_hub *hub,
struct usb_device *hdev = hub->hdev;
struct device *hub_dev = hub->intfdev;
u16 hubstatus, hubchange;
u16 wHubCharacteristics;
unsigned int pipe;
int maxp, ret;
char *message;
Expand Down Expand Up @@ -570,9 +572,9 @@ static int hub_configure(struct usb_hub *hub,
dev_info (hub_dev, "%d port%s detected\n", hdev->maxchild,
(hdev->maxchild == 1) ? "" : "s");

le16_to_cpus(&hub->descriptor->wHubCharacteristics);
wHubCharacteristics = le16_to_cpu(hub->descriptor->wHubCharacteristics);

if (hub->descriptor->wHubCharacteristics & HUB_CHAR_COMPOUND) {
if (wHubCharacteristics & HUB_CHAR_COMPOUND) {
int i;
char portstr [USB_MAXCHILDREN + 1];

Expand All @@ -585,7 +587,7 @@ static int hub_configure(struct usb_hub *hub,
} else
dev_dbg(hub_dev, "standalone hub\n");

switch (hub->descriptor->wHubCharacteristics & HUB_CHAR_LPSM) {
switch (wHubCharacteristics & HUB_CHAR_LPSM) {
case 0x00:
dev_dbg(hub_dev, "ganged power switching\n");
break;
Expand All @@ -598,7 +600,7 @@ static int hub_configure(struct usb_hub *hub,
break;
}

switch (hub->descriptor->wHubCharacteristics & HUB_CHAR_OCPM) {
switch (wHubCharacteristics & HUB_CHAR_OCPM) {
case 0x00:
dev_dbg(hub_dev, "global over-current protection\n");
break;
Expand Down Expand Up @@ -638,7 +640,7 @@ static int hub_configure(struct usb_hub *hub,
}

/* Note 8 FS bit times == (8 bits / 12000000 bps) ~= 666ns */
switch (hub->descriptor->wHubCharacteristics & HUB_CHAR_TTTT) {
switch (wHubCharacteristics & HUB_CHAR_TTTT) {
case HUB_TTTT_8_BITS:
if (hdev->descriptor.bDeviceProtocol != 0) {
hub->tt.think_time = 666;
Expand Down Expand Up @@ -668,7 +670,7 @@ static int hub_configure(struct usb_hub *hub,
}

/* probe() zeroes hub->indicator[] */
if (hub->descriptor->wHubCharacteristics & HUB_CHAR_PORTIND) {
if (wHubCharacteristics & HUB_CHAR_PORTIND) {
hub->has_indicators = 1;
dev_dbg(hub_dev, "Port indicators are supported\n");
}
Expand Down Expand Up @@ -713,7 +715,7 @@ static int hub_configure(struct usb_hub *hub,
(hubstatus & HUB_STATUS_LOCAL_POWER)
? "lost (inactive)" : "good");

if ((hub->descriptor->wHubCharacteristics & HUB_CHAR_OCPM) == 0)
if ((wHubCharacteristics & HUB_CHAR_OCPM) == 0)
dev_dbg(hub_dev, "%sover-current condition exists\n",
(hubstatus & HUB_STATUS_OVERCURRENT) ? "" : "no ");

Expand Down Expand Up @@ -2432,6 +2434,7 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1,
{
struct usb_device *hdev = hub->hdev;
struct device *hub_dev = hub->intfdev;
u16 wHubCharacteristics = le16_to_cpu(hub->descriptor->wHubCharacteristics);
int status, i;

dev_dbg (hub_dev,
Expand Down Expand Up @@ -2469,8 +2472,7 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1,
if (!(portstatus & USB_PORT_STAT_CONNECTION)) {

/* maybe switch power back on (e.g. root hub was reset) */
if ((hub->descriptor->wHubCharacteristics
& HUB_CHAR_LPSM) < 2
if ((wHubCharacteristics & HUB_CHAR_LPSM) < 2
&& !(portstatus & (1 << USB_PORT_FEAT_POWER)))
set_port_feature(hdev, port1, USB_PORT_FEAT_POWER);

Expand Down
2 changes: 1 addition & 1 deletion trunk/drivers/usb/core/hub.h
Original file line number Diff line number Diff line change
Expand Up @@ -131,7 +131,7 @@ struct usb_hub_descriptor {
__u8 bDescLength;
__u8 bDescriptorType;
__u8 bNbrPorts;
__u16 wHubCharacteristics;
__le16 wHubCharacteristics;
__u8 bPwrOn2PwrGood;
__u8 bHubContrCurrent;
/* add 1 bit for hub status change; round to bytes */
Expand Down

0 comments on commit 05f46d5

Please sign in to comment.