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authorAlan Stern <stern@rowland.harvard.edu>2007-02-19 15:51:51 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2007-02-23 15:03:45 -0800
commit28b9325e6ae45ffb5e99fedcafe00f25fcaacf06 (patch)
tree91391a8e2d11acc50adc5b7c631b2695bee9e453 /drivers/usb/host/uhci-debug.c
parentd0374f4f9c35cdfbee0ade72d06732613b4e6628 (diff)
downloadop-kernel-dev-28b9325e6ae45ffb5e99fedcafe00f25fcaacf06.zip
op-kernel-dev-28b9325e6ae45ffb5e99fedcafe00f25fcaacf06.tar.gz
UHCI: Add macros for computing DMA values
This patch (as855) adds some convenience macros to uhci-hcd, to help simplify the code for computing hardware DMA pointers. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host/uhci-debug.c')
-rw-r--r--drivers/usb/host/uhci-debug.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/usb/host/uhci-debug.c b/drivers/usb/host/uhci-debug.c
index 5d6c06b..a067713 100644
--- a/drivers/usb/host/uhci-debug.c
+++ b/drivers/usb/host/uhci-debug.c
@@ -196,7 +196,7 @@ static int uhci_show_qh(struct uhci_qh *qh, char *buf, int len, int space)
struct uhci_td *td = list_entry(urbp->td_list.next,
struct uhci_td, list);
- if (cpu_to_le32(td->dma_handle) != (element & ~UHCI_PTR_BITS))
+ if (element != LINK_TO_TD(td))
out += sprintf(out, "%*s Element != First TD\n",
space, "");
i = nurbs = 0;
@@ -393,7 +393,7 @@ static int uhci_sprint_schedule(struct uhci_hcd *uhci, char *buf, int len)
do {
td = list_entry(tmp, struct uhci_td, fl_list);
tmp = tmp->next;
- if (cpu_to_le32(td->dma_handle) != link) {
+ if (link != LINK_TO_TD(td)) {
if (nframes > 0)
out += sprintf(out, " link does "
"not match list entry!\n");
@@ -440,7 +440,7 @@ check_link:
if (qh->link != UHCI_PTR_TERM)
out += sprintf(out, " bandwidth reclamation on!\n");
- if (qh_element(qh) != cpu_to_le32(uhci->term_td->dma_handle))
+ if (qh_element(qh) != LINK_TO_TD(uhci->term_td))
out += sprintf(out, " skel_term_qh element is not set to term_td!\n");
continue;
@@ -461,8 +461,7 @@ check_link:
out += sprintf(out, " Skipped %d QHs\n", cnt);
if (i > 1 && i < UHCI_NUM_SKELQH - 1) {
- if (qh->link !=
- (cpu_to_le32(uhci->skelqh[j]->dma_handle) | UHCI_PTR_QH))
+ if (qh->link != LINK_TO_QH(uhci->skelqh[j]))
out += sprintf(out, " last QH not linked to next skeleton!\n");
}
}
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