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authorIngo Molnar <mingo@kernel.org>2020-02-24 13:36:09 +0300
committerIngo Molnar <mingo@kernel.org>2020-02-24 13:36:09 +0300
commit546121b65f47384e11ec1fa2e55449fc9f4846b2 (patch)
tree8f18470ec7c0c77b0f48eb1b2338e591b0b0aaff /drivers/thunderbolt/ctl.c
parent000619680c3714020ce9db17eef6a4a7ce2dc28b (diff)
parentf8788d86ab28f61f7b46eb6be375f8a726783636 (diff)
downloadlinux-546121b65f47384e11ec1fa2e55449fc9f4846b2.tar.xz
Merge tag 'v5.6-rc3' into sched/core, to pick up fixes and dependent patches
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/thunderbolt/ctl.c')
-rw-r--r--drivers/thunderbolt/ctl.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/thunderbolt/ctl.c b/drivers/thunderbolt/ctl.c
index d97813e80e5f..f77ceae5c7d7 100644
--- a/drivers/thunderbolt/ctl.c
+++ b/drivers/thunderbolt/ctl.c
@@ -708,19 +708,26 @@ void tb_ctl_stop(struct tb_ctl *ctl)
/* public interface, commands */
/**
- * tb_cfg_error() - send error packet
+ * tb_cfg_ack_plug() - Ack hot plug/unplug event
+ * @ctl: Control channel to use
+ * @route: Router that originated the event
+ * @port: Port where the hot plug/unplug happened
+ * @unplug: Ack hot plug or unplug
*
- * Return: Returns 0 on success or an error code on failure.
+ * Call this as response for hot plug/unplug event to ack it.
+ * Returns %0 on success or an error code on failure.
*/
-int tb_cfg_error(struct tb_ctl *ctl, u64 route, u32 port,
- enum tb_cfg_error error)
+int tb_cfg_ack_plug(struct tb_ctl *ctl, u64 route, u32 port, bool unplug)
{
struct cfg_error_pkg pkg = {
.header = tb_cfg_make_header(route),
.port = port,
- .error = error,
+ .error = TB_CFG_ERROR_ACK_PLUG_EVENT,
+ .pg = unplug ? TB_CFG_ERROR_PG_HOT_UNPLUG
+ : TB_CFG_ERROR_PG_HOT_PLUG,
};
- tb_ctl_dbg(ctl, "resetting error on %llx:%x.\n", route, port);
+ tb_ctl_dbg(ctl, "acking hot %splug event on %llx:%x\n",
+ unplug ? "un" : "", route, port);
return tb_ctl_tx(ctl, &pkg, sizeof(pkg), TB_CFG_PKG_ERROR);
}