On Wed, 25 Nov 2009 10:37:56 +0100, Wolfram Sang wrote: > Writes may take some time on EEPROMs, so for consecutive writes, we already > have a loop waiting for the EEPROM to become ready. Use such a loop for reads, > too, in case somebody wants to immediately read after a write. Detailed bug > report and test case can be found here: > > http://article.gmane.org/gmane.linux.drivers.i2c/4660 > > Reported-by: Aleksandar Ivanov <[email protected]> > Signed-off-by: Wolfram Sang <[email protected]> > Tested-by: Aleksandar Ivanov <[email protected]> > Cc: David Brownell <[email protected]> > Cc: Jean Delvare <[email protected]> > --- > > I could reproduce the errornous behaviour and this patch fixes it for me. > > Jean, you can use this version or modify V1 yourself. Whatever is > faster/easier > for you. > > Changes since V1: > > - Use return value from i2c_smbus_read_i2c_block_data() directly as it > returns the > number of bytes transferred. > > drivers/misc/eeprom/at24.c | 76 > ++++++++++++++++++++++++++------------------ > 1 files changed, 45 insertions(+), 31 deletions(-)
Thanks. Patch applied, I'll prepare a pull request for Linus later today. -- Jean Delvare -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
