From 24168911bedc23b02a0fa5043befa37580e6a9cb Mon Sep 17 00:00:00 2001 From: Rupesh Gujare Date: Mon, 23 Jul 2012 18:49:44 +0100 Subject: [PATCH] staging: ozwpan: Insulate driver from HZ value This patch fixes issue caused due to different HZ value on system which do not have HZ=1000 Signed-off-by: Rupesh Gujare Signed-off-by: Greg Kroah-Hartman --- drivers/staging/ozwpan/ozhcd.c | 8 ++++---- drivers/staging/ozwpan/ozproto.h | 2 +- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/staging/ozwpan/ozhcd.c b/drivers/staging/ozwpan/ozhcd.c index 617bfed..4ac1f27 100644 --- a/drivers/staging/ozwpan/ozhcd.c +++ b/drivers/staging/ozwpan/ozhcd.c @@ -1053,7 +1053,7 @@ int oz_hcd_heartbeat(void *hport) ep = ep_from_link(e); if (ep->credit < 0) continue; - ep->credit += (now - ep->last_jiffies); + ep->credit += jiffies_to_msecs(now - ep->last_jiffies); if (ep->credit > ep->credit_ceiling) ep->credit = ep->credit_ceiling; oz_event_log(OZ_EVT_EP_CREDIT, ep->ep_num, 0, 0, ep->credit); @@ -1062,7 +1062,7 @@ int oz_hcd_heartbeat(void *hport) urbl = list_first_entry(&ep->urb_list, struct oz_urb_link, link); urb = urbl->urb; - if (ep->credit < urb->number_of_packets) + if ((ep->credit + 1) < urb->number_of_packets) break; ep->credit -= urb->number_of_packets; oz_event_log(OZ_EVT_EP_CREDIT, ep->ep_num, 0, 0, @@ -1105,7 +1105,7 @@ int oz_hcd_heartbeat(void *hport) } continue; } - ep->credit += (now - ep->last_jiffies); + ep->credit += jiffies_to_msecs(now - ep->last_jiffies); oz_event_log(OZ_EVT_EP_CREDIT, ep->ep_num | USB_DIR_IN, 0, 0, ep->credit); ep->last_jiffies = now; @@ -1117,7 +1117,7 @@ int oz_hcd_heartbeat(void *hport) int len = 0; int copy_len; int i; - if (ep->credit < urb->number_of_packets) + if ((ep->credit + 1) < urb->number_of_packets) break; if (ep->buffered_units < urb->number_of_packets) break; diff --git a/drivers/staging/ozwpan/ozproto.h b/drivers/staging/ozwpan/ozproto.h index 89aea28..7d5b476 100644 --- a/drivers/staging/ozwpan/ozproto.h +++ b/drivers/staging/ozwpan/ozproto.h @@ -14,7 +14,7 @@ /* Converts millisecs to jiffies. */ -#define oz_ms_to_jiffies(__x) (((__x)*1000)/HZ) +#define oz_ms_to_jiffies(__x) msecs_to_jiffies(__x) /* Quantum milliseconds. */ -- 2.7.4