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-rw-r--r--drivers/firewire/ohci.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index cfe5afe359c..3ae84e2c519 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -125,6 +125,7 @@ struct context {
struct fw_ohci *ohci;
u32 regs;
int total_allocation;
+ bool running;
bool flushing;
/*
@@ -1174,6 +1175,7 @@ static void context_run(struct context *ctx, u32 extra)
le32_to_cpu(ctx->last->branch_address));
reg_write(ohci, CONTROL_CLEAR(ctx->regs), ~0);
reg_write(ohci, CONTROL_SET(ctx->regs), CONTEXT_RUN | extra);
+ ctx->running = true;
flush_writes(ohci);
}
@@ -1202,6 +1204,7 @@ static void context_stop(struct context *ctx)
ctx->active = false;
reg_write(ctx->ohci, CONTROL_CLEAR(ctx->regs), CONTEXT_RUN);
+ ctx->running = false;
flush_writes(ctx->ohci);
for (i = 0; i < 10; i++) {
@@ -1232,7 +1235,6 @@ static int at_context_queue_packet(struct context *ctx,
struct descriptor *d, *last;
__le32 *header;
int z, tcode;
- u32 reg;
d = context_get_descriptors(ctx, 4, &d_bus);
if (d == NULL) {
@@ -1351,9 +1353,7 @@ static int at_context_queue_packet(struct context *ctx,
context_append(ctx, d, z, 4 - z);
- /* If the context isn't already running, start it up. */
- reg = reg_read(ctx->ohci, CONTROL_SET(ctx->regs));
- if ((reg & CONTEXT_RUN) == 0)
+ if (!ctx->running)
context_run(ctx, 0);
return 0;