[U-Boot] [U-Boot, 2/3, v4] exynos: i2c: Change FDT bus setup code to enumerate ports correctly

Heiko Schocher
2013-10-17T06:31:04Z

Hello Naveen,

Am 15.10.2013 12:32, schrieb Naveen Krishna Ch:
> From: Simon Glass<sjg@chromium.org>
>
> At present the i2c ports are enumerated in a strange way - the
> fdtdec_find_aliases_for_id() function is used, but then the ID returned
> is ignored and the ports are renumbered. The effect is the same provided
> that the device tree has the ports in the same order, or uses aliases,
> and has no gaps, but it is not correct.
>
> Adjust the code to use the function as intended. This will allows device
> tree aliases to change the device order if required.
>
> As a result, the i2c_busses variable is dropped. We can't be sure that
> there are no 'holes' in the list of buses, so must check the whole
> array.
>
> Note: it seems that non-FDT operation is now broken in this drive and
> will need to be reinstated for upstream.
>
> Signed-off-by: Simon Glass<sjg@chromium.org>
> Reviewed-on: https://gerrit.chromium.org/gerrit/59369
> Signed-off-by: Naveen Krishna Chatradhi<ch.naveen@samsung.com>
>
> ---
> Changes since v1:
> Nonei
>
> Changes since v2:
> None
>
> Changes since v3:
> None; ran # ./MAKEALL -v samsung
>
> drivers/i2c/s3c24x0_i2c.c | 25 ++++++++++++++++++-------
> drivers/i2c/s3c24x0_i2c.h | 1 +
> 2 files changed, 19 insertions(+), 7 deletions(-)

Thanks!

Applied to u-boot-i2c.git

bye,
Heiko
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany