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path: root/drivers/firewire/ohci.c
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Diffstat (limited to 'drivers/firewire/ohci.c')
-rw-r--r--drivers/firewire/ohci.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index 7bc71f4be6..b9ae0340b8 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -1556,6 +1556,8 @@ static int handle_at_packet(struct context *context,
#define HEADER_GET_DATA_LENGTH(q) (((q) >> 16) & 0xffff)
#define HEADER_GET_EXTENDED_TCODE(q) (((q) >> 0) & 0xffff)
+static u32 get_cycle_time(struct fw_ohci *ohci);
+
static void handle_local_rom(struct fw_ohci *ohci,
struct fw_packet *packet, u32 csr)
{
@@ -1580,6 +1582,8 @@ static void handle_local_rom(struct fw_ohci *ohci,
(void *) ohci->config_rom + i, length);
}
+ // Timestamping on behalf of the hardware.
+ response.timestamp = cycle_time_to_ohci_tstamp(get_cycle_time(ohci));
fw_core_handle_response(&ohci->card, &response);
}
@@ -1628,6 +1632,8 @@ static void handle_local_lock(struct fw_ohci *ohci,
fw_fill_response(&response, packet->header, RCODE_BUSY, NULL, 0);
out:
+ // Timestamping on behalf of the hardware.
+ response.timestamp = cycle_time_to_ohci_tstamp(get_cycle_time(ohci));
fw_core_handle_response(&ohci->card, &response);
}
@@ -1670,8 +1676,6 @@ static void handle_local_request(struct context *ctx, struct fw_packet *packet)
}
}
-static u32 get_cycle_time(struct fw_ohci *ohci);
-
static void at_context_transmit(struct context *ctx, struct fw_packet *packet)
{
unsigned long flags;
@@ -2060,6 +2064,8 @@ static void bus_reset_work(struct work_struct *work)
ohci->generation = generation;
reg_write(ohci, OHCI1394_IntEventClear, OHCI1394_busReset);
+ if (param_debug & OHCI_PARAM_DEBUG_BUSRESETS)
+ reg_write(ohci, OHCI1394_IntMaskSet, OHCI1394_busReset);
if (ohci->quirks & QUIRK_RESET_PACKET)
ohci->request_generation = generation;
@@ -2125,12 +2131,14 @@ static irqreturn_t irq_handler(int irq, void *data)
return IRQ_NONE;
/*
- * busReset and postedWriteErr must not be cleared yet
+ * busReset and postedWriteErr events must not be cleared yet
* (OHCI 1.1 clauses 7.2.3.2 and 13.2.8.1)
*/
reg_write(ohci, OHCI1394_IntEventClear,
event & ~(OHCI1394_busReset | OHCI1394_postedWriteErr));
log_irqs(ohci, event);
+ if (event & OHCI1394_busReset)
+ reg_write(ohci, OHCI1394_IntMaskClear, OHCI1394_busReset);
if (event & OHCI1394_selfIDComplete)
queue_work(selfid_workqueue, &ohci->bus_reset_work);