Commit fe050f99 authored Sep 05, 2019 by Björn Ardö Committed by Wolfram Sang Sep 05, 2019

i2c: slave-eeprom: Add comment about address handling



The behaviour of the EEPROM in the case where we only send an 8bit
address to a 16bit address EEPROM is not defined. Added comment about
that the slave-eeprom might behave differently from how an actual device
does (only one model measured).

Reported-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Björn Ardö <bjorn.ardo@axis.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

parent 41d529d6

drivers/i2c/i2c-slave-eeprom.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -11,6 +11,12 @@
		* pointer, yet implementation is deferred until the need actually arises.
		*/

		/*
		* FIXME: What to do if only 8 bits of a 16 bit address are sent?
		* The ST-M24C64 sends only 0xff then. Needs verification with other
		* EEPROMs, though. We currently use the 8 bit as a valid address.
		*/

		#include <linux/bitfield.h>
		#include <linux/i2c.h>
		#include <linux/init.h>

Admin message