On Wed, Feb 20, 2019 at 01:57:30PM +0100, Nikolaus Voss wrote: > Commit 1a2f474d328f handles block _reads_ separately with plain-I2C > adapters, but the problem described with regmap-i2c not handling > SMBus block transfers (i.e. read and writes) correctly also exists > with writes. > > As workaround, this patch adds a block write function the same way > 1a2f474d328f adds a block read function. > > Fixes: 1a2f474d328f ("usb: typec: tps6598x: handle block reads separately with plain-I2C adapters") > Fixes: 0a4c005bd171 ("usb: typec: driver for TI TPS6598x USB Power Delivery controllers") > Signed-off-by: Nikolaus Voss <nikolaus.voss@xxxxxxxxxxxxxxxxxxxxx> > --- As was pointed out, you have to have a From: that matches a signed-off-by somewhere here. If your company email systems is horrid and can not handle patches, then put the correct from: line as the first line of the commit message as the documentation says and all will be good. > v2: fix tps6598x_exec_cmd also > --- > drivers/usb/typec/tps6598x.c | 26 ++++++++++++++++++++------ > 1 file changed, 20 insertions(+), 6 deletions(-) > > diff --git a/drivers/usb/typec/tps6598x.c b/drivers/usb/typec/tps6598x.c > index c84c8c189e90..c54b73fb2a2f 100644 > --- a/drivers/usb/typec/tps6598x.c > +++ b/drivers/usb/typec/tps6598x.c > @@ -110,6 +110,20 @@ tps6598x_block_read(struct tps6598x *tps, u8 reg, void *val, size_t len) > return 0; > } > > +static int tps6598x_block_write(struct tps6598x *tps, u8 reg, > + void *val, size_t len) > +{ > + u8 data[len + 1]; I thought the build system now warned when you did this :( thanks, greg k-h