diff options
| author | Clemens Ladisch <clemens@ladisch.de> | 2012-03-18 19:03:26 +0100 |
|---|---|---|
| committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2012-03-18 22:15:38 +0100 |
| commit | 90fcc8987390bffd79c6fd16aa59cc6ef549efcb (patch) | |
| tree | 06a8ea8088e6fe0128f00637e03abe275261e59e | |
| parent | b9b5bbfda61c1d202dd943dddca8cdf617863fb9 (diff) | |
| download | op-kernel-dev-90fcc8987390bffd79c6fd16aa59cc6ef549efcb.zip op-kernel-dev-90fcc8987390bffd79c6fd16aa59cc6ef549efcb.tar.gz | |
firewire: ohci: optimize control bit checks
Doing the endian conversion on the constant instead of the memory
field allows the compiler to do the conversion at compile time.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
| -rw-r--r-- | drivers/firewire/ohci.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index 588a728..a2fc64c 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -2728,7 +2728,7 @@ static int handle_ir_packet_per_buffer(struct context *context, p = last + 1; copy_iso_headers(ctx, p); - if (le16_to_cpu(last->control) & DESCRIPTOR_IRQ_ALWAYS) { + if (last->control & cpu_to_le16(DESCRIPTOR_IRQ_ALWAYS)) { ir_header = (__le32 *) p; ctx->base.callback.sc(&ctx->base, le32_to_cpu(ir_header[0]) & 0xffff, @@ -2760,7 +2760,7 @@ static int handle_ir_buffer_fill(struct context *context, le16_to_cpu(last->req_count), DMA_FROM_DEVICE); - if (le16_to_cpu(last->control) & DESCRIPTOR_IRQ_ALWAYS) + if (last->control & cpu_to_le16(DESCRIPTOR_IRQ_ALWAYS)) ctx->base.callback.mc(&ctx->base, le32_to_cpu(last->data_address) + le16_to_cpu(last->req_count), @@ -2832,7 +2832,7 @@ static int handle_it_packet(struct context *context, le16_to_cpu(pd->res_count)); ctx->header_length += 4; } - if (le16_to_cpu(last->control) & DESCRIPTOR_IRQ_ALWAYS) { + if (last->control & cpu_to_le16(DESCRIPTOR_IRQ_ALWAYS)) { ctx->base.callback.sc(&ctx->base, le16_to_cpu(last->res_count), ctx->header_length, ctx->header, ctx->base.callback_data); |
