Make this function weak and implement it's weak implementation
so that the boards can just reimplement it. This zaps the horrid
CONFIG_SYS_EEPROM_WREN macro.

Signed-off-by: Marek Vasut <ma...@denx.de>
Cc: Simon Glass <s...@chromium.org>
Cc: Tom Rini <tr...@ti.com>
Cc: Heiko Schocher <h...@denx.de>
---
 common/cmd_eeprom.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/common/cmd_eeprom.c b/common/cmd_eeprom.c
index 78c6121..3fc3706 100644
--- a/common/cmd_eeprom.c
+++ b/common/cmd_eeprom.c
@@ -44,9 +44,10 @@
 #endif
 #endif
 
-#if defined(CONFIG_SYS_EEPROM_WREN)
-extern int eeprom_write_enable (unsigned dev_addr, int state);
-#endif
+__weak int eeprom_write_enable(unsigned dev_addr, int state)
+{
+       return 0;
+}
 
 void eeprom_init(void)
 {
@@ -163,9 +164,8 @@ int eeprom_write (unsigned dev_addr, unsigned offset, uchar 
*buffer, unsigned cn
        int rcode = 0;
        uchar addr[3];
 
-#if defined(CONFIG_SYS_EEPROM_WREN)
-       eeprom_write_enable (dev_addr,1);
-#endif
+       eeprom_write_enable(dev_addr, 1);
+
        /*
         * Write data until done or would cross a write page boundary.
         * We must write the address again when changing pages
@@ -215,9 +215,9 @@ int eeprom_write (unsigned dev_addr, unsigned offset, uchar 
*buffer, unsigned cn
                udelay(CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS * 1000);
 #endif
        }
-#if defined(CONFIG_SYS_EEPROM_WREN)
-       eeprom_write_enable (dev_addr,0);
-#endif
+
+       eeprom_write_enable(dev_addr, 0);
+
        return rcode;
 }
 
-- 
2.1.1

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