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| author | Mika Westerberg <mika.westerberg@linux.intel.com> | 2017-10-02 12:38:37 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-10-02 20:24:41 +0200 |
| commit | 3b3d9f4da96493e4f68d0a80ab210763a24f8b33 (patch) | |
| tree | bc64aa4df1e8b9ee2115be067e47f5af9f728665 /drivers/thunderbolt/ctl.c | |
| parent | thunderbolt: Add support for frame mode (diff) | |
| download | linux-3b3d9f4da96493e4f68d0a80ab210763a24f8b33.tar.xz linux-3b3d9f4da96493e4f68d0a80ab210763a24f8b33.zip | |
thunderbolt: Export ring handling functions to modules
These are used by Thunderbolt services to send and receive frames over
the high-speed DMA rings.
We also put the functions to tb_ namespace to make sure we do not
collide with others and add missing kernel-doc comments for the exported
functions.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Michael Jamet <michael.jamet@intel.com>
Reviewed-by: Yehezkel Bernat <yehezkel.bernat@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/thunderbolt/ctl.c')
| -rw-r--r-- | drivers/thunderbolt/ctl.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/thunderbolt/ctl.c b/drivers/thunderbolt/ctl.c index 05400b77dcd7..dd10789e1dbb 100644 --- a/drivers/thunderbolt/ctl.c +++ b/drivers/thunderbolt/ctl.c @@ -359,7 +359,7 @@ static int tb_ctl_tx(struct tb_ctl *ctl, const void *data, size_t len, cpu_to_be32_array(pkg->buffer, data, len / 4); *(__be32 *) (pkg->buffer + len) = tb_crc(pkg->buffer, len); - res = ring_tx(ctl->tx, &pkg->frame); + res = tb_ring_tx(ctl->tx, &pkg->frame); if (res) /* ring is stopped */ tb_ctl_pkg_free(pkg); return res; @@ -376,7 +376,7 @@ static bool tb_ctl_handle_event(struct tb_ctl *ctl, enum tb_cfg_pkg_type type, static void tb_ctl_rx_submit(struct ctl_pkg *pkg) { - ring_rx(pkg->ctl->rx, &pkg->frame); /* + tb_ring_rx(pkg->ctl->rx, &pkg->frame); /* * We ignore failures during stop. * All rx packets are referenced * from ctl->rx_packets, so we do @@ -614,11 +614,11 @@ struct tb_ctl *tb_ctl_alloc(struct tb_nhi *nhi, event_cb cb, void *cb_data) if (!ctl->frame_pool) goto err; - ctl->tx = ring_alloc_tx(nhi, 0, 10, RING_FLAG_NO_SUSPEND); + ctl->tx = tb_ring_alloc_tx(nhi, 0, 10, RING_FLAG_NO_SUSPEND); if (!ctl->tx) goto err; - ctl->rx = ring_alloc_rx(nhi, 0, 10, RING_FLAG_NO_SUSPEND, 0xffff, + ctl->rx = tb_ring_alloc_rx(nhi, 0, 10, RING_FLAG_NO_SUSPEND, 0xffff, 0xffff); if (!ctl->rx) goto err; @@ -652,9 +652,9 @@ void tb_ctl_free(struct tb_ctl *ctl) return; if (ctl->rx) - ring_free(ctl->rx); + tb_ring_free(ctl->rx); if (ctl->tx) - ring_free(ctl->tx); + tb_ring_free(ctl->tx); /* free RX packets */ for (i = 0; i < TB_CTL_RX_PKG_COUNT; i++) @@ -673,8 +673,8 @@ void tb_ctl_start(struct tb_ctl *ctl) { int i; tb_ctl_info(ctl, "control channel starting...\n"); - ring_start(ctl->tx); /* is used to ack hotplug packets, start first */ - ring_start(ctl->rx); + tb_ring_start(ctl->tx); /* is used to ack hotplug packets, start first */ + tb_ring_start(ctl->rx); for (i = 0; i < TB_CTL_RX_PKG_COUNT; i++) tb_ctl_rx_submit(ctl->rx_packets[i]); @@ -695,8 +695,8 @@ void tb_ctl_stop(struct tb_ctl *ctl) ctl->running = false; mutex_unlock(&ctl->request_queue_lock); - ring_stop(ctl->rx); - ring_stop(ctl->tx); + tb_ring_stop(ctl->rx); + tb_ring_stop(ctl->tx); if (!list_empty(&ctl->request_queue)) tb_ctl_WARN(ctl, "dangling request in request_queue\n"); |