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authorWu Fengguang <fengguang.wu@intel.com>2008-12-15 02:32:01 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2009-01-07 13:00:08 -0500
commitb9cef6c31913c34fb1065b1d01e04c3b92c59016 (patch)
tree54f4e7df640ee23aa60d73df269c28411c4ed8e2 /drivers/usb
parente22b582e9108b94a8bb59010da3e09709bd39746 (diff)
USB: make printk messages more searchable
USB: make printk messages more searchable Make USB printk messages long and straightforward. One of these decorated USB error messages cost me non-trivial efforts to locate. Signed-off-by: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/core/hub.c45
1 files changed, 24 insertions, 21 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index fc99ef67761d..5abdc11be1e5 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -107,7 +107,9 @@ MODULE_PARM_DESC (blinkenlights, "true to cycle leds on hubs");
107/* define initial 64-byte descriptor request timeout in milliseconds */ 107/* define initial 64-byte descriptor request timeout in milliseconds */
108static int initial_descriptor_timeout = USB_CTRL_GET_TIMEOUT; 108static int initial_descriptor_timeout = USB_CTRL_GET_TIMEOUT;
109module_param(initial_descriptor_timeout, int, S_IRUGO|S_IWUSR); 109module_param(initial_descriptor_timeout, int, S_IRUGO|S_IWUSR);
110MODULE_PARM_DESC(initial_descriptor_timeout, "initial 64-byte descriptor request timeout in milliseconds (default 5000 - 5.0 seconds)"); 110MODULE_PARM_DESC(initial_descriptor_timeout,
111 "initial 64-byte descriptor request timeout in milliseconds "
112 "(default 5000 - 5.0 seconds)");
111 113
112/* 114/*
113 * As of 2.6.10 we introduce a new USB device initialization scheme which 115 * As of 2.6.10 we introduce a new USB device initialization scheme which
@@ -1136,8 +1138,8 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id)
1136 hdev = interface_to_usbdev(intf); 1138 hdev = interface_to_usbdev(intf);
1137 1139
1138 if (hdev->level == MAX_TOPO_LEVEL) { 1140 if (hdev->level == MAX_TOPO_LEVEL) {
1139 dev_err(&intf->dev, "Unsupported bus topology: " 1141 dev_err(&intf->dev,
1140 "hub nested too deep\n"); 1142 "Unsupported bus topology: hub nested too deep\n");
1141 return -E2BIG; 1143 return -E2BIG;
1142 } 1144 }
1143 1145
@@ -1477,8 +1479,8 @@ static void announce_device(struct usb_device *udev)
1477 dev_info(&udev->dev, "New USB device found, idVendor=%04x, idProduct=%04x\n", 1479 dev_info(&udev->dev, "New USB device found, idVendor=%04x, idProduct=%04x\n",
1478 le16_to_cpu(udev->descriptor.idVendor), 1480 le16_to_cpu(udev->descriptor.idVendor),
1479 le16_to_cpu(udev->descriptor.idProduct)); 1481 le16_to_cpu(udev->descriptor.idProduct));
1480 dev_info(&udev->dev, "New USB device strings: Mfr=%d, Product=%d, " 1482 dev_info(&udev->dev,
1481 "SerialNumber=%d\n", 1483 "New USB device strings: Mfr=%d, Product=%d, SerialNumber=%d\n",
1482 udev->descriptor.iManufacturer, 1484 udev->descriptor.iManufacturer,
1483 udev->descriptor.iProduct, 1485 udev->descriptor.iProduct,
1484 udev->descriptor.iSerialNumber); 1486 udev->descriptor.iSerialNumber);
@@ -1543,7 +1545,7 @@ static int usb_configure_device_otg(struct usb_device *udev)
1543 * customize to match your product. 1545 * customize to match your product.
1544 */ 1546 */
1545 dev_info(&udev->dev, 1547 dev_info(&udev->dev,
1546 "can't set HNP mode; %d\n", 1548 "can't set HNP mode: %d\n",
1547 err); 1549 err);
1548 bus->b_hnp_enable = 0; 1550 bus->b_hnp_enable = 0;
1549 } 1551 }
@@ -2047,8 +2049,8 @@ static int finish_port_resume(struct usb_device *udev)
2047 u16 devstatus; 2049 u16 devstatus;
2048 2050
2049 /* caller owns the udev device lock */ 2051 /* caller owns the udev device lock */
2050 dev_dbg(&udev->dev, "finish %sresume\n", 2052 dev_dbg(&udev->dev, "%s\n",
2051 udev->reset_resume ? "reset-" : ""); 2053 udev->reset_resume ? "finish reset-resume" : "finish resume");
2052 2054
2053 /* usb ch9 identifies four variants of SUSPENDED, based on what 2055 /* usb ch9 identifies four variants of SUSPENDED, based on what
2054 * state the device resumes to. Linux currently won't see the 2056 * state the device resumes to. Linux currently won't see the
@@ -2100,8 +2102,9 @@ static int finish_port_resume(struct usb_device *udev)
2100 NULL, 0, 2102 NULL, 0,
2101 USB_CTRL_SET_TIMEOUT); 2103 USB_CTRL_SET_TIMEOUT);
2102 if (status) 2104 if (status)
2103 dev_dbg(&udev->dev, "disable remote " 2105 dev_dbg(&udev->dev,
2104 "wakeup, status %d\n", status); 2106 "disable remote wakeup, status %d\n",
2107 status);
2105 } 2108 }
2106 status = 0; 2109 status = 0;
2107 } 2110 }
@@ -2584,9 +2587,9 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
2584 goto fail; 2587 goto fail;
2585 } 2588 }
2586 if (r) { 2589 if (r) {
2587 dev_err(&udev->dev, "device descriptor " 2590 dev_err(&udev->dev,
2588 "read/%s, error %d\n", 2591 "device descriptor read/64, error %d\n",
2589 "64", r); 2592 r);
2590 retval = -EMSGSIZE; 2593 retval = -EMSGSIZE;
2591 continue; 2594 continue;
2592 } 2595 }
@@ -2623,9 +2626,9 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
2623 2626
2624 retval = usb_get_device_descriptor(udev, 8); 2627 retval = usb_get_device_descriptor(udev, 8);
2625 if (retval < 8) { 2628 if (retval < 8) {
2626 dev_err(&udev->dev, "device descriptor " 2629 dev_err(&udev->dev,
2627 "read/%s, error %d\n", 2630 "device descriptor read/8, error %d\n",
2628 "8", retval); 2631 retval);
2629 if (retval >= 0) 2632 if (retval >= 0)
2630 retval = -EMSGSIZE; 2633 retval = -EMSGSIZE;
2631 } else { 2634 } else {
@@ -2652,8 +2655,8 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
2652 2655
2653 retval = usb_get_device_descriptor(udev, USB_DT_DEVICE_SIZE); 2656 retval = usb_get_device_descriptor(udev, USB_DT_DEVICE_SIZE);
2654 if (retval < (signed)sizeof(udev->descriptor)) { 2657 if (retval < (signed)sizeof(udev->descriptor)) {
2655 dev_err(&udev->dev, "device descriptor read/%s, error %d\n", 2658 dev_err(&udev->dev, "device descriptor read/all, error %d\n",
2656 "all", retval); 2659 retval);
2657 if (retval >= 0) 2660 if (retval >= 0)
2658 retval = -ENOMSG; 2661 retval = -ENOMSG;
2659 goto fail; 2662 goto fail;
@@ -2721,9 +2724,9 @@ hub_power_remaining (struct usb_hub *hub)
2721 else 2724 else
2722 delta = 8; 2725 delta = 8;
2723 if (delta > hub->mA_per_port) 2726 if (delta > hub->mA_per_port)
2724 dev_warn(&udev->dev, "%dmA is over %umA budget " 2727 dev_warn(&udev->dev,
2725 "for port %d!\n", 2728 "%dmA is over %umA budget for port %d!\n",
2726 delta, hub->mA_per_port, port1); 2729 delta, hub->mA_per_port, port1);
2727 remaining -= delta; 2730 remaining -= delta;
2728 } 2731 }
2729 if (remaining < 0) { 2732 if (remaining < 0) {