More rdc-2.6 fixes by Daniel Gimpelevich, thanks !

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8355 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 36 insertions, 0 deletions

diff --git a/target/linux/generic-2.6/patches-2.6.22/002-eeprom_93cx6.patch b/target/linux/generic-2.6/patches-2.6.22/002-eeprom_93cx6.patch
new file mode 100644
index 000000000..7f2b12554
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.22/002-eeprom_93cx6.patch
@@ -0,0 +1,36 @@
+From: John W. Linville <linville@tuxdriver.com>
+Date: Tue, 12 Jun 2007 01:37:46 +0000 (-0400)
+Subject: [PATCH] eeprom_93cx6: shorten pulse timing to match spec
+X-Git-Tag: v2.6.23-rc1~1201^2~71
+X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git;a=commitdiff_plain;h=7e9400f178d291b2208c4ed9aac0f425c1364000
+
+[PATCH] eeprom_93cx6: shorten pulse timing to match spec
+
+93cx6 datasheet available here:
+
+        http://ww1.microchip.com/downloads/en/DeviceDoc/21749F.pdf
+
+Figure 1-1 and Table 1-2 on pages 4-5 indicate that both Clock High
+Time and Clock Low Time have largest minimum times of 450ns.
+
+Signed-off-by: John W. Linville <linville@tuxdriver.com>
+---
+
+diff --git a/drivers/misc/eeprom_93cx6.c b/drivers/misc/eeprom_93cx6.c
+index 0d6d742..ac515b0 100644
+--- a/drivers/misc/eeprom_93cx6.c
++++ b/drivers/misc/eeprom_93cx6.c
+@@ -42,10 +42,10 @@ static inline void eeprom_93cx6_pulse_high(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 inline void eeprom_93cx6_pulse_low(struct eeprom_93cx6 *eeprom)