Thread (22 messages) flat view 22 messages, 3 authors, 2017-10-02

Re: [PATCH v3 02/19] thunderbolt: Remove __packed from ICM message structures

From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: 2017-10-02 11:45:58
Also in: lkml

On Mon, 2017-10-02 at 13:38 +0300, Mika Westerberg wrote:
These messages are all 32-byte aligned and they should be packed 
Obviously 32-bit.

Other than that,

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
quoted hunk ↗ jump to hunk
without
the __packed attribute just fine. It also allows compiler to generate
better code on some architectures.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Michael Jamet <redacted>
Reviewed-by: Yehezkel Bernat <redacted>
---
 drivers/thunderbolt/tb_msgs.h | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)
diff --git a/drivers/thunderbolt/tb_msgs.h
b/drivers/thunderbolt/tb_msgs.h
index de6441e4a060..f3adf58a40ce 100644
--- a/drivers/thunderbolt/tb_msgs.h
+++ b/drivers/thunderbolt/tb_msgs.h
@@ -130,7 +130,7 @@ struct icm_pkg_header {
 	u8 flags;
 	u8 packet_id;
 	u8 total_packets;
-} __packed;
+};
 
 #define ICM_FLAGS_ERROR			BIT(0)
 #define ICM_FLAGS_NO_KEY		BIT(1)
@@ -139,20 +139,20 @@ struct icm_pkg_header {
 
 struct icm_pkg_driver_ready {
 	struct icm_pkg_header hdr;
-} __packed;
+};
 
 struct icm_pkg_driver_ready_response {
 	struct icm_pkg_header hdr;
 	u8 romver;
 	u8 ramver;
 	u16 security_level;
-} __packed;
+};
 
 /* Falcon Ridge & Alpine Ridge common messages */
 
 struct icm_fr_pkg_get_topology {
 	struct icm_pkg_header hdr;
-} __packed;
+};
 
 #define ICM_GET_TOPOLOGY_PACKETS	14
 
@@ -167,7 +167,7 @@ struct icm_fr_pkg_get_topology_response {
 	u32 reserved[2];
 	u32 ports[16];
 	u32 port_hop_info[16];
-} __packed;
+};
 
 #define ICM_SWITCH_USED			BIT(0)
 #define ICM_SWITCH_UPSTREAM_PORT_MASK	GENMASK(7, 1)
@@ -184,7 +184,7 @@ struct icm_fr_event_device_connected {
 	u8 connection_id;
 	u16 link_info;
 	u32 ep_name[55];
-} __packed;
+};
 
 #define ICM_LINK_INFO_LINK_MASK		0x7
 #define ICM_LINK_INFO_DEPTH_SHIFT	4
@@ -197,13 +197,13 @@ struct icm_fr_pkg_approve_device {
 	u8 connection_key;
 	u8 connection_id;
 	u16 reserved;
-} __packed;
+};
 
 struct icm_fr_event_device_disconnected {
 	struct icm_pkg_header hdr;
 	u16 reserved;
 	u16 link_info;
-} __packed;
+};
 
 struct icm_fr_pkg_add_device_key {
 	struct icm_pkg_header hdr;
@@ -212,7 +212,7 @@ struct icm_fr_pkg_add_device_key {
 	u8 connection_id;
 	u16 reserved;
 	u32 key[8];
-} __packed;
+};
 
 struct icm_fr_pkg_add_device_key_response {
 	struct icm_pkg_header hdr;
@@ -220,7 +220,7 @@ struct icm_fr_pkg_add_device_key_response {
 	u8 connection_key;
 	u8 connection_id;
 	u16 reserved;
-} __packed;
+};
 
 struct icm_fr_pkg_challenge_device {
 	struct icm_pkg_header hdr;
@@ -229,7 +229,7 @@ struct icm_fr_pkg_challenge_device {
 	u8 connection_id;
 	u16 reserved;
 	u32 challenge[8];
-} __packed;
+};
 
 struct icm_fr_pkg_challenge_device_response {
 	struct icm_pkg_header hdr;
@@ -239,7 +239,7 @@ struct icm_fr_pkg_challenge_device_response {
 	u16 reserved;
 	u32 challenge[8];
 	u32 response[8];
-} __packed;
+};
 
 /* Alpine Ridge only messages */
 
@@ -247,7 +247,7 @@ struct icm_ar_pkg_get_route {
 	struct icm_pkg_header hdr;
 	u16 reserved;
 	u16 link_info;
-} __packed;
+};
 
 struct icm_ar_pkg_get_route_response {
 	struct icm_pkg_header hdr;
@@ -255,6 +255,6 @@ struct icm_ar_pkg_get_route_response {
 	u16 link_info;
 	u32 route_hi;
 	u32 route_lo;
-} __packed;
+};
 
 #endif
-- 
Andy Shevchenko [off-list ref]
Intel Finland Oy
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