vbatts/grub
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Improve EHCI logging

Browse source 
Add dprintf's on common error paths and remove some entries which are too
noisy.
This commit is contained in:
Vladimir Serbinenko 2016-02-22 03:32:50 +01:00
parent 0678b5d629
commit 054d1325e9
1 changed files with 18 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

28
grub-core/bus/usb/ehci.c
View file

@ -1289,16 +1289,26 @@ grub_ehci_setup_transfer (grub_usb_controller_t dev,
grub_ehci_td_t td_prev = NULL;
int i;
struct grub_ehci_transfer_controller_data *cdata;
grub_uint32_t status;
/* Check if EHCI is running and AL is enabled */
if ((grub_ehci_oper_read32 (e, GRUB_EHCI_STATUS)
& GRUB_EHCI_ST_HC_HALTED) != 0)
status = grub_ehci_oper_read32 (e, GRUB_EHCI_STATUS);
if ((status & GRUB_EHCI_ST_HC_HALTED) != 0)
/* XXX: Fix it: Currently we don't do anything to restart EHCI */
return GRUB_USB_ERR_INTERNAL;
if ((grub_ehci_oper_read32 (e, GRUB_EHCI_STATUS)
{
grub_dprintf ("ehci", "setup_transfer: halted, status = 0x%x\n",
status);
return GRUB_USB_ERR_INTERNAL;
}
status = grub_ehci_oper_read32 (e, GRUB_EHCI_STATUS);
if ((status
& (GRUB_EHCI_ST_AS_STATUS | GRUB_EHCI_ST_PS_STATUS)) == 0)
/* XXX: Fix it: Currently we don't do anything to restart EHCI */
return GRUB_USB_ERR_INTERNAL;
{
grub_dprintf ("ehci", "setup_transfer: no AS/PS, status = 0x%x\n",
status);
return GRUB_USB_ERR_INTERNAL;
}
/* Allocate memory for controller transfer data. */
cdata = grub_malloc (sizeof (*cdata));
@ -1310,6 +1320,7 @@ grub_ehci_setup_transfer (grub_usb_controller_t dev,
cdata->qh_virt = grub_ehci_find_qh (e, transfer);
if (!cdata->qh_virt)
{
grub_dprintf ("ehci", "setup_transfer: no QH\n");
grub_free (cdata);
return GRUB_USB_ERR_INTERNAL;
}
@ -1319,6 +1330,7 @@ grub_ehci_setup_transfer (grub_usb_controller_t dev,
cdata->td_alt_virt = grub_ehci_alloc_td (e);
if (!cdata->td_alt_virt)
{
grub_dprintf ("ehci", "setup_transfer: no TDs\n");
grub_free (cdata);
return GRUB_USB_ERR_INTERNAL;
}
@ -1345,6 +1357,7 @@ grub_ehci_setup_transfer (grub_usb_controller_t dev,
grub_ehci_free_tds (e, cdata->td_first_virt, NULL, &actual);
grub_free (cdata);
grub_dprintf ("ehci", "setup_transfer: no TD\n");
return GRUB_USB_ERR_INTERNAL;
}
@ -1777,11 +1790,6 @@ grub_ehci_detect_dev (grub_usb_controller_t dev, int port, int *changed)
status = grub_ehci_port_read (e, port);
grub_dprintf ("ehci", "detect_dev: EHCI STATUS: %08x\n",
grub_ehci_oper_read32 (e, GRUB_EHCI_STATUS));
grub_dprintf ("ehci", "detect_dev: iobase=%p, port=%d, status=0x%02x\n",
e->iobase, port, status);
/* Connect Status Change bit - it detects change of connection */
if (status & GRUB_EHCI_PORT_CONNECT_CH)
{