From: Christian Lamparter <chunkeey@googlemail.com>
Date: Sat, 16 Oct 2010 16:42:35 +0000 (+0200)
Subject: carl9170 firmware: introduce __aligned compiler attribute v2
X-Git-Tag: 1.9.1~10
X-Git-Url: https://jxself.org/git/?p=carl9170fw.git;a=commitdiff_plain;h=63ea5c984f577172a145950580c96b5135bf1629

carl9170 firmware: introduce __aligned compiler attribute v2

This patch reduces the firmware image size considerably.

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
---

diff --git a/carlfw/include/dma.h b/carlfw/include/dma.h
index 0f45e51..ea905f5 100644
--- a/carlfw/include/dma.h
+++ b/carlfw/include/dma.h
@@ -44,7 +44,7 @@ struct dma_desc {
 		void *dataAddr;
 	} __packed;
 	struct dma_desc *nextAddr;	/* Next TD address */
-} __packed;
+} __packed __aligned(4);
 
 /* (Up, Dn, 5x Tx, Rx), USB Int, (5x delayed Tx + retry), CAB, BA */
 #define AR9170_TERMINATOR_NUMBER_B	8
@@ -169,8 +169,8 @@ struct ar9170_data_block {
 struct ar9170_dma_memory {
 	struct dma_desc			terminator[AR9170_TERMINATOR_NUMBER];
 	struct dma_desc			block[AR9170_BLOCK_NUMBER];
-	struct ar9170_data_block	data[AR9170_BLOCK_NUMBER] __attribute__((aligned(BLOCK_ALIGNMENT)));
-	struct carl9170_sram_reserved	reserved __attribute__((aligned(BLOCK_ALIGNMENT)));
+	struct ar9170_data_block	data[AR9170_BLOCK_NUMBER] __aligned(BLOCK_ALIGNMENT);
+	struct carl9170_sram_reserved	reserved __aligned(BLOCK_ALIGNMENT);
 };
 
 extern struct ar9170_dma_memory dma_mem;
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index ec4edf7..f6f1444 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -25,6 +25,7 @@
 #define __unused	__attribute__((unused))
 #define __force		__attribute__((force))
 #define __section(s)	__attribute__((section("." # s)))
+#define __aligned(a)	__attribute__((aligned(a)))
 #define __packed	__attribute__((packed))
 
 #define BUILD_BUG_ON(condition)	((void)sizeof(char[1 - 2*!!(condition)]))
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index c0cde48..8abd5d5 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -799,7 +799,7 @@ struct ieee80211_bar {
 	__u8 ta[6];
 	__le16 control;
 	__le16 start_seq_num;
-} __attribute__((packed));
+} __attribute__((packed)) __aligned(4);
 
 /* 802.11 BA(R) control masks */
 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL     0x0000
diff --git a/include/shared/fwcmd.h b/include/shared/fwcmd.h
index d552166..6bd374a 100644
--- a/include/shared/fwcmd.h
+++ b/include/shared/fwcmd.h
@@ -97,13 +97,13 @@ struct carl9170_set_key_cmd {
 	__le16		type;
 	u8		macAddr[6];
 	u32		key[4];
-} __packed;
+} __packed __aligned(4);
 #define CARL9170_SET_KEY_CMD_SIZE		28
 
 struct carl9170_disable_key_cmd {
 	__le16		user;
 	__le16		padding;
-} __packed;
+} __packed __aligned(4);
 #define CARL9170_DISABLE_KEY_CMD_SIZE		4
 
 struct carl9170_u32_list {
@@ -206,7 +206,7 @@ struct carl9170_cmd {
 		struct carl9170_rx_filter_cmd	rx_filter;
 		u8 data[CARL9170_MAX_CMD_PAYLOAD_LEN];
 	} __packed;
-} __packed;
+} __packed __aligned(4);
 
 #define	CARL9170_TX_STATUS_QUEUE	3
 #define	CARL9170_TX_STATUS_QUEUE_S	0
@@ -279,6 +279,6 @@ struct carl9170_rsp {
 		struct carl9170_psm		psm;
 		u8 data[CARL9170_MAX_CMD_PAYLOAD_LEN];
 	} __packed;
-} __packed;
+} __packed __aligned(4);
 
 #endif /* __CARL9170_SHARED_FWCMD_H */