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authorIngo Molnar <mingo@elte.hu>2008-06-25 12:31:14 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-25 12:31:14 +0200
commit607baf1f4ef94637ab0f7d0e258932851dc5c0a2 (patch)
treee5e3ed753fdad4eef8aaed2562df2a1148cec4ab /arch/mips/lasat/lasat_board.c
parent064a32d82c20cdcb0119a8b316eb520608d8c647 (diff)
parent543cf4cb3fe6f6cae3651ba918b9c56200b257d0 (diff)
Merge branch 'linus' into x86/memtesttip-x86-memtest-2008-06-25_10.31_Wed
Diffstat (limited to 'arch/mips/lasat/lasat_board.c')
-rw-r--r--arch/mips/lasat/lasat_board.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/arch/mips/lasat/lasat_board.c b/arch/mips/lasat/lasat_board.c
index ec2f658c3709..31e328b3814d 100644
--- a/arch/mips/lasat/lasat_board.c
+++ b/arch/mips/lasat/lasat_board.c
@@ -23,18 +23,19 @@
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/ctype.h>
+#include <linux/mutex.h>
#include <asm/bootinfo.h>
#include <asm/addrspace.h>
#include "at93c.h"
/* New model description table */
#include "lasat_models.h"
+static DEFINE_MUTEX(lasat_eeprom_mutex);
+
#define EEPROM_CRC(data, len) (~crc32(~0, data, len))
struct lasat_info lasat_board_info;
-void update_bcastaddr(void);
-
int EEPROMRead(unsigned int pos, unsigned char *data, int len)
{
int i;
@@ -258,10 +259,6 @@ int lasat_init_board_info(void)
sprintf(lasat_board_info.li_typestr, "%d", 10 * c);
}
-#if defined(CONFIG_INET) && defined(CONFIG_SYSCTL)
- update_bcastaddr();
-#endif
-
return 0;
}
@@ -269,6 +266,8 @@ void lasat_write_eeprom_info(void)
{
unsigned long crc;
+ mutex_lock(&lasat_eeprom_mutex);
+
/* Generate the CRC */
crc = EEPROM_CRC((unsigned char *)(&lasat_board_info.li_eeprom_info),
sizeof(struct lasat_eeprom_struct) - 4);
@@ -277,4 +276,6 @@ void lasat_write_eeprom_info(void)
/* Write the EEPROM info */
EEPROMWrite(0, (unsigned char *)&lasat_board_info.li_eeprom_info,
sizeof(struct lasat_eeprom_struct));
+
+ mutex_unlock(&lasat_eeprom_mutex);
}