openwrtv4/target/linux/generic-2.6/patches-2.6.22/003-eeprom_93cx6.patch
2007-08-06 18:48:58 +00:00

34 lines
1.2 KiB
Diff

From: Francois Romieu <romieu@fr.zoreil.com>
Date: Tue, 3 Jul 2007 22:31:44 +0000 (+0200)
Subject: eeprom_93cx6: shorten pulse timing to match spec (bis)
X-Git-Tag: v2.6.23-rc1~1151^2~11
X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git;a=commitdiff_plain;h=8abd531e3f77188de2fc41e677d075cc66e61631
eeprom_93cx6: shorten pulse timing to match spec (bis)
Based on an original idea by John W. Linville.
It is the missing part of 42d45ccd60636c28e35c2016f091783bc14ad99c
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---
diff --git a/drivers/misc/eeprom_93cx6.c b/drivers/misc/eeprom_93cx6.c
index ac515b0..ea55654 100644
--- a/drivers/misc/eeprom_93cx6.c
+++ b/drivers/misc/eeprom_93cx6.c
@@ -55,10 +55,10 @@ static inline void eeprom_93cx6_pulse_low(struct eeprom_93cx6 *eeprom)
/*
* Add a short delay for the pulse to work.
- * According to the specifications the minimal time
- * should be 450ns so a 1us delay is sufficient.
+ * According to the specifications the "maximum minimum"
+ * time should be 450ns.
*/
- udelay(1);
+ ndelay(450);
}
static void eeprom_93cx6_startup(struct eeprom_93cx6 *eeprom)