diff options
| -rw-r--r-- | drivers/thunderbolt/xdomain.c | 35 | ||||
| -rw-r--r-- | include/linux/thunderbolt.h | 2 |
2 files changed, 2 insertions, 35 deletions
diff --git a/drivers/thunderbolt/xdomain.c b/drivers/thunderbolt/xdomain.c index 584bb5ec06f8..a1657663a95e 100644 --- a/drivers/thunderbolt/xdomain.c +++ b/drivers/thunderbolt/xdomain.c @@ -946,19 +946,6 @@ static int populate_properties(struct tb_xdomain *xd, return 0; } -/* Called with @xd->lock held */ -static void tb_xdomain_restore_paths(struct tb_xdomain *xd) -{ - if (!xd->resume) - return; - - xd->resume = false; - if (xd->transmit_path) { - dev_dbg(&xd->dev, "re-establishing DMA path\n"); - tb_domain_approve_xdomain_paths(xd->tb, xd); - } -} - static inline struct tb_switch *tb_xdomain_parent(struct tb_xdomain *xd) { return tb_to_switch(xd->dev.parent); @@ -1084,16 +1071,8 @@ static void tb_xdomain_get_properties(struct work_struct *work) mutex_lock(&xd->lock); /* Only accept newer generation properties */ - if (xd->properties && gen <= xd->property_block_gen) { - /* - * On resume it is likely that the properties block is - * not changed (unless the other end added or removed - * services). However, we need to make sure the existing - * DMA paths are restored properly. - */ - tb_xdomain_restore_paths(xd); + if (xd->properties && gen <= xd->property_block_gen) goto err_free_block; - } dir = tb_property_parse_dir(block, ret); if (!dir) { @@ -1118,8 +1097,6 @@ static void tb_xdomain_get_properties(struct work_struct *work) tb_xdomain_update_link_attributes(xd); - tb_xdomain_restore_paths(xd); - mutex_unlock(&xd->lock); kfree(block); @@ -1332,15 +1309,7 @@ static int __maybe_unused tb_xdomain_suspend(struct device *dev) static int __maybe_unused tb_xdomain_resume(struct device *dev) { - struct tb_xdomain *xd = tb_to_xdomain(dev); - - /* - * Ask tb_xdomain_get_properties() restore any existing DMA - * paths after properties are re-read. - */ - xd->resume = true; - start_handshake(xd); - + start_handshake(tb_to_xdomain(dev)); return 0; } diff --git a/include/linux/thunderbolt.h b/include/linux/thunderbolt.h index 659a0a810fa1..7ec977161f5c 100644 --- a/include/linux/thunderbolt.h +++ b/include/linux/thunderbolt.h @@ -185,7 +185,6 @@ void tb_unregister_property_dir(const char *key, struct tb_property_dir *dir); * @link_speed: Speed of the link in Gb/s * @link_width: Width of the link (1 or 2) * @is_unplugged: The XDomain is unplugged - * @resume: The XDomain is being resumed * @needs_uuid: If the XDomain does not have @remote_uuid it will be * queried first * @transmit_path: HopID which the remote end expects us to transmit @@ -231,7 +230,6 @@ struct tb_xdomain { unsigned int link_speed; unsigned int link_width; bool is_unplugged; - bool resume; bool needs_uuid; u16 transmit_path; u16 transmit_ring; |