linux-kernel - Re: [PATCH] clk: qcom: msm8960: Fix dsi1/2 halt bits

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Message-ID: <562F0C5E.7050307@codeaurora.org>
Date:	Tue, 27 Oct 2015 11:02:14 +0530
From:	Archit Taneja <architt@...eaurora.org>
To:	Stephen Boyd <sboyd@...eaurora.org>,
	Mike Turquette <mturquette@...libre.com>
Cc:	linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
	linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH] clk: qcom: msm8960: Fix dsi1/2 halt bits



On 10/27/2015 06:53 AM, Stephen Boyd wrote:
> The halt bits for these clocks seem wrong. I get the following
> warning while booting on an msm8960-cdp:
>
> WARNING: CPU: 0 PID: 1 at drivers/clk/qcom/clk-branch.c:97 clk_branch_toggle+0xd0/0x138()
> dsi1_clk status stuck at 'on'
> Modules linked in:
> CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.3.0-rc3-00113-g5532cfb567fe #110
> Hardware name: Qualcomm (Flattened Device Tree)
> [<c0216984>] (unwind_backtrace) from [<c02138f8>] (show_stack+0x10/0x14)
> [<c02138f8>] (show_stack) from [<c04a525c>] (dump_stack+0x70/0xbc)
> [<c04a525c>] (dump_stack) from [<c0223c70>] (warn_slowpath_common+0x78/0xb4)
> [<c0223c70>] (warn_slowpath_common) from [<c0223d40>] (warn_slowpath_fmt+0x30/0x40)
> [<c0223d40>] (warn_slowpath_fmt) from [<c05fc2dc>] (clk_branch_toggle+0xd0/0x138)
> [<c05fc2dc>] (clk_branch_toggle) from [<c05f3f3c>] (clk_disable_unused_subtree+0x98/0x1b0)
> [<c05f3f3c>] (clk_disable_unused_subtree) from [<c05f3ec4>] (clk_disable_unused_subtree+0x20/0x1b0)
> [<c05f3ec4>] (clk_disable_unused_subtree) from [<c05f5474>] (clk_disable_unused+0x58/0xd8)
> [<c05f5474>] (clk_disable_unused) from [<c0209710>] (do_one_initcall+0xac/0x1ec)
> [<c0209710>] (do_one_initcall) from [<c0991db4>] (kernel_init_freeable+0x11c/0x1e8)
> [<c0991db4>] (kernel_init_freeable) from [<c0727ae0>] (kernel_init+0x8/0xec)
> [<c0727ae0>] (kernel_init) from [<c0210238>] (ret_from_fork+0x14/0x3c)
>
> Fix the status bits and the errors go away.
>
> Fixes: 5532cfb567fe ("clk: qcom: mmcc-8960: Add DSI related clocks")
> Cc: Archit Taneja <architt@...eaurora.org>
> Signed-off-by: Stephen Boyd <sboyd@...eaurora.org>
> ---

Acked-by: Archit Taneja <architt@...eaurora.org>

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