Ben Dooks said the following: > On Tue, May 26, 2009 at 01:30:21PM +0200, Esben Haabendal wrote: >> On Tue, May 19, 2009 at 7:22 AM, Esben Haabendal <e...@doredevelopment.dk> >> wrote: >> > This fixes MAL (arbitration lost) bug caused by illegal use of >> > RSTA (repeated START) after STOP condition generated after last byte >> > of reads. With this patch, it is possible to do an i2c_transfer() with >> > additional i2c_msg's following the I2C_M_RD messages. >> > >> > It still needs to be resolved if it is possible to fix this issue >> > by removing the STOP condition after reads in a robust way. >> > >> > Signed-off-by: Esben Haabendal <e...@doredevelopment.dk> >> > --- >> > ?drivers/i2c/busses/i2c-mpc.c | ? ?9 +++++++-- >> > ?1 files changed, 7 insertions(+), 2 deletions(-) >> >> Any blockers to get this accepted? > > It would be nice to get an ack from someone who can actually test > the driver before getting this merged. > What is the state of this patch? Shouldn't we attack the problem on a more general way by inventing a Flag I2C_M_RESTART (or better I2C_M_NO_RESTART for backward compatibility)? This way the client driver is able to decide what it needs. If we do the choice within adapter, chance is about 50% to be wrong.
Just my 2 Cents. -- Michael _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
