From: Erin Lo <erin.lo@mediatek.com>
To: Matthias Brugger <matthias.bgg@gmail.com>,
Mike Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@codeaurora.org>,
Rob Herring <robh@kernel.org>
Cc: John Crispin <blogic@openwrt.org>, Arnd Bergmann <arnd@arndb.de>,
Sascha Hauer <kernel@pengutronix.de>,
Daniel Kurtz <djkurtz@chromium.org>,
Philipp Zabel <p.zabel@pengutronix.de>,
<devicetree@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>,
<linux-mediatek@lists.infradead.org>, <linux-clk@vger.kernel.org>,
<srv_heupstream@mediatek.com>,
James Liao <jamesjj.liao@mediatek.com>,
Erin Lo <erin.lo@mediatek.com>
Subject: [PATCH v9 01/10] clk: fix initial state of critical clock's parents
Date: Wed, 22 Jun 2016 15:40:20 +0800 [thread overview]
Message-ID: <1466581229-2342-2-git-send-email-erin.lo@mediatek.com> (raw)
In-Reply-To: <1466581229-2342-1-git-send-email-erin.lo@mediatek.com>
From: James Liao <jamesjj.liao@mediatek.com>
This patch fixed wrong state of parent clocks if they are registered
after critical clocks.
Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Signed-off-by: Erin Lo <erin.lo@mediatek.com>
---
drivers/clk/clk.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index d584004..e9f5f89 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -2388,8 +2388,15 @@ static int __clk_core_init(struct clk_core *core)
hlist_for_each_entry_safe(orphan, tmp2, &clk_orphan_list, child_node) {
struct clk_core *parent = __clk_init_parent(orphan);
- if (parent)
+ if (parent) {
clk_core_reparent(orphan, parent);
+
+ if (orphan->prepare_count)
+ clk_core_prepare(parent);
+
+ if (orphan->enable_count)
+ clk_core_enable(parent);
+ }
}
/*
--
1.9.1
next prev parent reply other threads:[~2016-06-22 7:41 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-22 7:40 [PATCH v9 00/10] Add clock support for Mediatek MT2701 Erin Lo
2016-06-22 7:40 ` Erin Lo [this message]
2016-07-02 1:21 ` [PATCH v9 01/10] clk: fix initial state of critical clock's parents Stephen Boyd
2016-07-04 3:51 ` James Liao
2016-07-08 23:32 ` Michael Turquette
2016-07-09 0:46 ` Stephen Boyd
2016-07-11 8:24 ` James Liao
2016-08-03 5:46 ` James Liao
2016-08-09 5:39 ` James Liao
2016-08-10 21:09 ` Stephen Boyd
2016-08-12 8:17 ` James Liao
2016-08-13 0:39 ` Stephen Boyd
2016-08-15 2:47 ` James Liao
2016-06-22 7:40 ` [PATCH v9 02/10] clk: mediatek: remove __init from clk registration functions Erin Lo
2016-06-22 7:40 ` [PATCH v9 03/10] clk: mediatek: Refine the makefile to support multiple clock drivers Erin Lo
2016-08-13 0:41 ` Stephen Boyd
2016-06-22 7:40 ` [PATCH v9 04/10] dt-bindings: ARM: Mediatek: Document bindings for MT2701 Erin Lo
2016-06-22 7:40 ` [PATCH v9 05/10] clk: mediatek: Add dt-bindings for MT2701 clocks Erin Lo
2016-06-22 7:40 ` [PATCH v9 06/10] clk: mediatek: Add MT2701 clock support Erin Lo
2016-08-13 0:44 ` Stephen Boyd
2016-08-15 3:00 ` James Liao
2016-08-15 18:16 ` Stephen Boyd
2016-06-22 7:40 ` [PATCH v9 07/10] reset: mediatek: Add MT2701 reset controller dt-binding file Erin Lo
2016-06-22 7:40 ` [PATCH v9 08/10] reset: mediatek: Add MT2701 reset driver Erin Lo
2016-06-22 7:40 ` [PATCH v9 09/10] arm: dts: mt2701: Add clock controller device nodes Erin Lo
2016-06-22 7:40 ` [PATCH v9 10/10] arm: dts: mt2701: Use real clock for UARTs Erin Lo
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