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openwrt-xburst/target/linux/generic-2.6/patches-2.6.22/601-eeprom_93cx6_fixes.patch
juhosg ff4e17bc25 [kernel] refresh generic 2.6.22 patches
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11186 3c298f89-4303-0410-b956-a3cf2f4a3e73
2008-05-18 20:24:13 +00:00

34 lines
906 B
Diff

Index: linux-2.6.22.19/drivers/misc/eeprom_93cx6.c
===================================================================
--- linux-2.6.22.19.orig/drivers/misc/eeprom_93cx6.c
+++ linux-2.6.22.19/drivers/misc/eeprom_93cx6.c
@@ -39,14 +39,26 @@ static inline void eeprom_93cx6_pulse_hi
{
eeprom->reg_data_clock = 1;
eeprom->register_write(eeprom);
- udelay(1);
+
+ /*
+ * Add a short delay for the pulse to work.
+ * According to the specifications the "maximum minimum"
+ * time should be 450ns.
+ */
+ ndelay(450);
}
static inline void eeprom_93cx6_pulse_low(struct eeprom_93cx6 *eeprom)
{
eeprom->reg_data_clock = 0;
eeprom->register_write(eeprom);
- udelay(1);
+
+ /*
+ * Add a short delay for the pulse to work.
+ * According to the specifications the "maximum minimum"
+ * time should be 450ns.
+ */
+ ndelay(450);
}
static void eeprom_93cx6_startup(struct eeprom_93cx6 *eeprom)