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Commit 7e9400f1 authored by John W. Linville's avatar John W. Linville Committed by Jeff Garzik
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[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: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 605bebe2

drivers/misc/eeprom_93cx6.c

+3 −3
Original line number Diff line number Diff line
@@ -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)