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openwrtv4/target/linux/brcm47xx/patches-3.10/262-MIPS-BCM47XX-use-init-const-in-board-detect.patch
Hauke Mehrtens 4c52ed50d7 brcm47xx: update board detection patches 
This is now the version which was send for mainline Linux kernel
inclusion. The data needed to detection a board is now stored in init
data.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

SVN-Revision: 38036
2013-09-18 14:33:54 +00:00

189 lines
6.6 KiB
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--- a/arch/mips/bcm47xx/board.c
+++ b/arch/mips/bcm47xx/board.c
@@ -26,27 +26,36 @@ struct bcm47xx_board_type_list3 {
const char *value3;
};
+struct bcm47xx_board_store {
+ enum bcm47xx_board board;
+ char name[BCM47XX_BOARD_MAX_NAME];
+};
+
/* model_name */
-static const struct bcm47xx_board_type_list1 bcm47xx_board_list_model_name[] = {
+static const
+struct bcm47xx_board_type_list1 bcm47xx_board_list_model_name[] __initconst = {
{{BCM47XX_BOARD_DLINK_DIR130, "D-Link DIR-130"}, "DIR-130"},
{{BCM47XX_BOARD_DLINK_DIR330, "D-Link DIR-330"}, "DIR-330"},
{ {0}, 0},
};
/* model_no */
-static const struct bcm47xx_board_type_list1 bcm47xx_board_list_model_no[] = {
+static const
+struct bcm47xx_board_type_list1 bcm47xx_board_list_model_no[] __initconst = {
{{BCM47XX_BOARD_ASUS_WL700GE, "Asus WL700"}, "WL700"},
{ {0}, 0},
};
/* machine_name */
-static const struct bcm47xx_board_type_list1 bcm47xx_board_list_machine_name[] = {
+static const
+struct bcm47xx_board_type_list1 bcm47xx_board_list_machine_name[] __initconst = {
{{BCM47XX_BOARD_LINKSYS_WRTSL54GS, "Linksys WRTSL54GS"}, "WRTSL54GS"},
{ {0}, 0},
};
/* hardware_version */
-static const struct bcm47xx_board_type_list1 bcm47xx_board_list_hardware_version[] = {
+static const
+struct bcm47xx_board_type_list1 bcm47xx_board_list_hardware_version[] __initconst = {
{{BCM47XX_BOARD_ASUS_RTN16, "Asus RT-N16"}, "RT-N16-"},
{{BCM47XX_BOARD_ASUS_WL320GE, "Asus WL320GE"}, "WL320G-"},
{{BCM47XX_BOARD_ASUS_WL330GE, "Asus WL330GE"}, "WL330GE-"},
@@ -61,7 +70,8 @@ static const struct bcm47xx_board_type_l
};
/* productid */
-static const struct bcm47xx_board_type_list1 bcm47xx_board_list_productid[] = {
+static const
+struct bcm47xx_board_type_list1 bcm47xx_board_list_productid[] __initconst = {
{{BCM47XX_BOARD_ASUS_RTAC66U, "Asus RT-AC66U"}, "RT-AC66U"},
{{BCM47XX_BOARD_ASUS_RTN10, "Asus RT-N10"}, "RT-N10"},
{{BCM47XX_BOARD_ASUS_RTN10D, "Asus RT-N10D"}, "RT-N10D"},
@@ -81,7 +91,8 @@ static const struct bcm47xx_board_type_l
};
/* ModelId */
-static const struct bcm47xx_board_type_list1 bcm47xx_board_list_ModelId[] = {
+static const
+struct bcm47xx_board_type_list1 bcm47xx_board_list_ModelId[] __initconst = {
{{BCM47XX_BOARD_DELL_TM2300, "Dell WX-5565"}, "WX-5565"},
{{BCM47XX_BOARD_MOTOROLA_WE800G, "Motorola WE800G"}, "WE800G"},
{{BCM47XX_BOARD_MOTOROLA_WR850GP, "Motorola WR850GP"}, "WR850GP"},
@@ -90,7 +101,8 @@ static const struct bcm47xx_board_type_l
};
/* melco_id or buf1falo_id */
-static const struct bcm47xx_board_type_list1 bcm47xx_board_list_melco_id[] = {
+static const
+struct bcm47xx_board_type_list1 bcm47xx_board_list_melco_id[] __initconst = {
{{BCM47XX_BOARD_BUFFALO_WBR2_G54, "Buffalo WBR2-G54"}, "29bb0332"},
{{BCM47XX_BOARD_BUFFALO_WHR2_A54G54, "Buffalo WHR2-A54G54"}, "290441dd"},
{{BCM47XX_BOARD_BUFFALO_WHR_G125, "Buffalo WHR-G125"}, "32093"},
@@ -104,7 +116,8 @@ static const struct bcm47xx_board_type_l
};
/* boot_hw_model, boot_hw_ver */
-static const struct bcm47xx_board_type_list2 bcm47xx_board_list_boot_hw[] = {
+static const
+struct bcm47xx_board_type_list2 bcm47xx_board_list_boot_hw[] __initconst = {
/* like WRT160N v3.0 */
{{BCM47XX_BOARD_CISCO_M10V1, "Cisco M10"}, "M10", "1.0"},
/* like WRT310N v2.0 */
@@ -134,7 +147,8 @@ static const struct bcm47xx_board_type_l
};
/* board_id */
-static const struct bcm47xx_board_type_list1 bcm47xx_board_list_board_id[] = {
+static const
+struct bcm47xx_board_type_list1 bcm47xx_board_list_board_id[] __initconst = {
{{BCM47XX_BOARD_NETGEAR_WGR614V8, "Netgear WGR614 V8"}, "U12H072T00_NETGEAR"},
{{BCM47XX_BOARD_NETGEAR_WGR614V9, "Netgear WGR614 V9"}, "U12H094T00_NETGEAR"},
{{BCM47XX_BOARD_NETGEAR_WNDR3300, "Netgear WNDR3300"}, "U12H093T00_NETGEAR"},
@@ -155,24 +169,22 @@ static const struct bcm47xx_board_type_l
};
/* boardtype, boardnum, boardrev */
-static const struct bcm47xx_board_type_list3 bcm47xx_board_list_board[] = {
+static const
+struct bcm47xx_board_type_list3 bcm47xx_board_list_board[] __initconst = {
{{BCM47XX_BOARD_HUAWEI_E970, "Huawei E970"}, "0x048e", "0x5347", "0x11"},
{{BCM47XX_BOARD_PHICOMM_M1, "Phicomm M1"}, "0x0590", "80", "0x1104"},
{{BCM47XX_BOARD_ZTE_H218N, "ZTE H218N"}, "0x053d", "1234", "0x1305"},
{ {0}, 0},
};
-static const struct bcm47xx_board_type bcm47xx_board_unknown[] = {
+static const
+struct bcm47xx_board_type bcm47xx_board_unknown[] __initconst = {
{BCM47XX_BOARD_UNKNOWN, "Unknown Board"},
};
-static const struct bcm47xx_board_type bcm47xx_board_no[] = {
- {BCM47XX_BOARD_NO, "No Board"},
-};
-
-static const struct bcm47xx_board_type *bcm47xx_board = bcm47xx_board_no;
+static struct bcm47xx_board_store bcm47xx_board = {BCM47XX_BOARD_NO, "Unknown Board"};
-static const struct bcm47xx_board_type *bcm47xx_board_get_nvram(void)
+static __init const struct bcm47xx_board_type *bcm47xx_board_get_nvram(void)
{
char buf1[30];
char buf2[30];
@@ -261,12 +273,13 @@ static const struct bcm47xx_board_type *
return bcm47xx_board_unknown;
}
-static void bcm47xx_board_detect(void)
+void __init bcm47xx_board_detect(void)
{
int err;
char buf[10];
+ const struct bcm47xx_board_type *board_detected;
- if (bcm47xx_board != bcm47xx_board_no)
+ if (bcm47xx_board.board != BCM47XX_BOARD_NO)
return;
/* check if the nvram is available */
@@ -277,20 +290,20 @@ static void bcm47xx_board_detect(void)
return;
}
- bcm47xx_board = bcm47xx_board_get_nvram();
- pr_debug("Found board: \"%s\"\n", bcm47xx_board->name);
+ board_detected = bcm47xx_board_get_nvram();
+ bcm47xx_board.board = board_detected->board;
+ strncpy(bcm47xx_board.name, board_detected->name, BCM47XX_BOARD_MAX_NAME);
+ bcm47xx_board.name[BCM47XX_BOARD_MAX_NAME - 1] = 0;
}
enum bcm47xx_board bcm47xx_board_get(void)
{
- bcm47xx_board_detect();
- return bcm47xx_board->board;
+ return bcm47xx_board.board;
}
EXPORT_SYMBOL(bcm47xx_board_get);
const char *bcm47xx_board_get_name(void)
{
- bcm47xx_board_detect();
- return bcm47xx_board->name;
+ return bcm47xx_board.name;
}
EXPORT_SYMBOL(bcm47xx_board_get_name);
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
@@ -252,6 +252,7 @@ void __init plat_mem_setup(void)
_machine_restart = bcm47xx_machine_restart;
_machine_halt = bcm47xx_machine_halt;
pm_power_off = bcm47xx_machine_halt;
+ bcm47xx_board_detect();
}
static int __init bcm47xx_register_bus_complete(void)
--- a/arch/mips/include/asm/mach-bcm47xx/bcm47xx_board.h
+++ b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_board.h
@@ -101,6 +101,9 @@ enum bcm47xx_board {
BCM47XX_BOARD_NO,
};
+#define BCM47XX_BOARD_MAX_NAME 30
+
+void bcm47xx_board_detect(void);
enum bcm47xx_board bcm47xx_board_get(void);
const char *bcm47xx_board_get_name(void);
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