From: Tomas Hruby <thruby@few.vu.nl>
Date: Thu, 7 Jul 2011 17:24:26 +0000 (+0000)
Subject: E1000 - reading EEPROM
X-Git-Tag: v3.2.0~477
X-Git-Url: http://zhaoyanbai.com/repos/%22/xml/v3/mem/static/tz-link.htm?a=commitdiff_plain;h=123cf7fe37fd1c230d20b7f1e429204dab041434;p=minix.git

E1000 - reading EEPROM

- once the DONE bit is set, we already have the data
---

diff --git a/drivers/e1000/e1000.c b/drivers/e1000/e1000.c
index 302a91cf3..90235f0ff 100644
--- a/drivers/e1000/e1000.c
+++ b/drivers/e1000/e1000.c
@@ -941,20 +941,16 @@ void *v;
 int reg;
 {
     e1000_t *e = (e1000_t *) v;
-    u16_t data;
+    u32_t data;
 
     /* Request EEPROM read. */
     e1000_reg_write(e, E1000_REG_EERD,
 		   (reg << e->eeprom_addr_off) | (E1000_REG_EERD_START));
 
     /* Wait until ready. */
-    while (!(e1000_reg_read(e, E1000_REG_EERD) &
-			       e->eeprom_done_bit));
+    while (!(data = (e1000_reg_read(e, E1000_REG_EERD)) & e->eeprom_done_bit));
 
-    /* Fetch data. */
-    data = (e1000_reg_read(e, E1000_REG_EERD) &
-			      E1000_REG_EERD_DATA) >> 16;
-    return data;
+    return data >> 16;
 }
 
 /*===========================================================================*