Thread (11 messages) 11 messages, 2 authors, 2012-07-05

[PATCH v2 0/6] Port Tegra to generic clk framework

From: Stephen Warren <hidden>
Date: 2012-07-03 16:29:54
Also in: linux-tegra, lkml

On 07/03/2012 05:09 AM, Prashant Gaikwad wrote:
This patch set ports Tegra clock code to generic clock framework.

Depends on
[PATCH v3 0/9] Add clk_prepare/clk_unprepare series
[PATCH] ARM: tegra: Remove second instance of uart clk
[PATCH] dma: tegra: add clk_prepare/clk_unprepare
[PATCH] ARM: tegra: dma: rename driver name for clock to "tegra-apbdma"

Tested on Ventana and Cardhu

v2:
 - Rebased on Tegra's for-3.6/common-clk
OK, this applies to for-3.6/common-clk without issue now. However, there
are still runtime problems:

On Tegra20(Ventana), running Tegra's for-next branch with these patches
merged in, if I play audio, the sound is much too low a pitch; the I2S
clock must be being set too low. Also, if I play the same file twice,
once encoded as 48KHz once encoded as 44.1KHz, the pitch is different.

On Tegra20(Ventana), running next-20120703 plus a few local patches for
regulators plus these common clock patches, then I see the same
segfaults during boot that I mentioned before. It seems something in
linux-next not in Tegra's for-next branch is breaking the common clock
code for us.

Neither problem is seen on Cardhu with the same kernels.

Can you please investigate and fix these issues? Thanks.
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