[U-Boot] [PATCH V2 01/25] mxc_i2c: fix i2c_imx_stop
Marek Vasut
marex at denx.de
Fri Jul 6 19:46:26 CEST 2012
Dear Troy Kisky,
> On 7/5/2012 11:50 PM, Marek Vasut wrote:
> > Dear Troy Kisky,
> >
> >> On 7/5/2012 12:53 PM, Troy Kisky wrote:
> >>> Instead of clearing 2 bits, all the other
> >>> bits were set because '|=' was used instead
> >>> of '&='.
> >>>
> >>> Signed-off-by: Troy Kisky <troy.kisky at boundarydevices.com>
> >>> Acked-by: Marek Vasut <marex at denx.de>
> >>> Acked-by: Stefano Babic <sbabic at denx.de>
> >>>
> >>> ---
> >>> V2: add acks
> >>> ---
> >>>
> >>> drivers/i2c/mxc_i2c.c | 2 +-
> >>> 1 file changed, 1 insertion(+), 1 deletion(-)
> >>>
> >>> diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c
> >>> index fc68062..c0c45fd 100644
> >>> --- a/drivers/i2c/mxc_i2c.c
> >>> +++ b/drivers/i2c/mxc_i2c.c
> >>> @@ -264,7 +264,7 @@ void i2c_imx_stop(void)
> >>>
> >>> /* Stop I2C transaction */
> >>> temp = readb(&i2c_regs->i2cr);
> >>>
> >>> - temp |= ~(I2CR_MSTA | I2CR_MTX);
> >>> + temp &= ~(I2CR_MSTA | I2CR_MTX);
> >>>
> >>> writeb(temp, &i2c_regs->i2cr);
> >>>
> >>> i2c_imx_bus_busy(0);
> >>
> >> This series was tested on a sabrelite and a i.mx51 board
> >
> > Sigh, I should test it on the efikamx board. It has some i2c chip that's
> > hard to talk to since it's quite sensitive to the behavior of the bus.
> > But since I'm dead busy now, I'll just trust you. I'm glad you found it,
> > Troy :)
>
> I'd rather have your verification than trust :-)
> Thanks for the reviews.
Hmm, lemme see.
> Troy
Best regards,
Marek Vasut
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