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authorBruno Randolf <br1@einfach.org>2010-10-19 16:56:48 +0900
committerJohn W. Linville <linville@tuxdriver.com>2010-11-09 16:13:26 -0500
commit3dd0923de491d72a041f82a9d0aaccc473fd2c42 (patch)
tree462dbbaa28d93d18dca20898c7372b7f7c353266 /drivers/net
parent123f5b8e6f411d342f2fc8a15c4d9349ace5074a (diff)
downloadlinux-3dd0923de491d72a041f82a9d0aaccc473fd2c42.tar.bz2
ath5k: Optimize descriptor alignment
Similar to Felix Fietkau <nbd@openwrt.org> "ath9k_hw: optimize all descriptor access functions" (13db2a80244908833502189a24de82a856668b8a). Signed-off-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/ath/ath5k/desc.h18
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/net/wireless/ath/ath5k/desc.h b/drivers/net/wireless/ath/ath5k/desc.h
index b2adb2a281c2..2509d0bf037d 100644
--- a/drivers/net/wireless/ath/ath5k/desc.h
+++ b/drivers/net/wireless/ath/ath5k/desc.h
@@ -26,7 +26,7 @@
struct ath5k_hw_rx_ctl {
u32 rx_control_0; /* RX control word 0 */
u32 rx_control_1; /* RX control word 1 */
-} __packed;
+} __packed __aligned(4);
/* RX control word 1 fields/flags */
#define AR5K_DESC_RX_CTL1_BUF_LEN 0x00000fff /* data buffer length */
@@ -39,7 +39,7 @@ struct ath5k_hw_rx_ctl {
struct ath5k_hw_rx_status {
u32 rx_status_0; /* RX status word 0 */
u32 rx_status_1; /* RX status word 1 */
-} __packed;
+} __packed __aligned(4);
/* 5210/5211 */
/* RX status word 0 fields/flags */
@@ -129,7 +129,7 @@ enum ath5k_phy_error_code {
struct ath5k_hw_2w_tx_ctl {
u32 tx_control_0; /* TX control word 0 */
u32 tx_control_1; /* TX control word 1 */
-} __packed;
+} __packed __aligned(4);
/* TX control word 0 fields/flags */
#define AR5K_2W_TX_DESC_CTL0_FRAME_LEN 0x00000fff /* frame length */
@@ -185,7 +185,7 @@ struct ath5k_hw_4w_tx_ctl {
u32 tx_control_1; /* TX control word 1 */
u32 tx_control_2; /* TX control word 2 */
u32 tx_control_3; /* TX control word 3 */
-} __packed;
+} __packed __aligned(4);
/* TX control word 0 fields/flags */
#define AR5K_4W_TX_DESC_CTL0_FRAME_LEN 0x00000fff /* frame length */
@@ -244,7 +244,7 @@ struct ath5k_hw_4w_tx_ctl {
struct ath5k_hw_tx_status {
u32 tx_status_0; /* TX status word 0 */
u32 tx_status_1; /* TX status word 1 */
-} __packed;
+} __packed __aligned(4);
/* TX status word 0 fields/flags */
#define AR5K_DESC_TX_STATUS0_FRAME_XMIT_OK 0x00000001 /* TX success */
@@ -282,7 +282,7 @@ struct ath5k_hw_tx_status {
struct ath5k_hw_5210_tx_desc {
struct ath5k_hw_2w_tx_ctl tx_ctl;
struct ath5k_hw_tx_status tx_stat;
-} __packed;
+} __packed __aligned(4);
/*
* 5212 hardware TX descriptor
@@ -290,7 +290,7 @@ struct ath5k_hw_5210_tx_desc {
struct ath5k_hw_5212_tx_desc {
struct ath5k_hw_4w_tx_ctl tx_ctl;
struct ath5k_hw_tx_status tx_stat;
-} __packed;
+} __packed __aligned(4);
/*
* Common hardware RX descriptor
@@ -298,7 +298,7 @@ struct ath5k_hw_5212_tx_desc {
struct ath5k_hw_all_rx_desc {
struct ath5k_hw_rx_ctl rx_ctl;
struct ath5k_hw_rx_status rx_stat;
-} __packed;
+} __packed __aligned(4);
/*
* Atheros hardware DMA descriptor
@@ -313,7 +313,7 @@ struct ath5k_desc {
struct ath5k_hw_5212_tx_desc ds_tx5212;
struct ath5k_hw_all_rx_desc ds_rx;
} ud;
-} __packed;
+} __packed __aligned(4);
#define AR5K_RXDESC_INTREQ 0x0020