linux-mips
[Top] [All Lists]

[PATCH v6 4/5] clk: Assign module owner of a clock being registered

To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v6 4/5] clk: Assign module owner of a clock being registered
From: Sylwester Nawrocki <s.nawrocki@samsung.com>
Date: Fri, 30 Aug 2013 16:53:21 +0200
Cc: linux@arm.linux.org.uk, mturquette@linaro.org, jiada_wang@mentor.com, kyungmin.park@samsung.com, myungjoo.ham@samsung.com, t.figa@samsung.com, g.liakhovetski@gmx.de, laurent.pinchart@ideasonboard.com, linux-kernel@vger.kernel.org, linux-mips@linux-mips.org, linux-sh@vger.kernel.org, Sylwester Nawrocki <s.nawrocki@samsung.com>
In-reply-to: <1377874402-2944-1-git-send-email-s.nawrocki@samsung.com>
List-archive: <http://www.linux-mips.org/archives/linux-mips/>
List-help: <mailto:ecartis@linux-mips.org?Subject=help>
List-id: linux-mips <linux-mips.eddie.linux-mips.org>
List-owner: <mailto:ralf@linux-mips.org>
List-post: <mailto:linux-mips@linux-mips.org>
List-software: Ecartis version 1.0.0
List-subscribe: <mailto:ecartis@linux-mips.org?subject=subscribe%20linux-mips>
List-unsubscribe: <mailto:ecartis@linux-mips.org?subject=unsubscribe%20linux-mips>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <1377874402-2944-1-git-send-email-s.nawrocki@samsung.com>
Sender: linux-mips-bounce@linux-mips.org
Use dev->driver->owner as the owner module of a clock, it ensures
reference on the module is taken in the __clk_get(), __clk_put()
helpers.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
Changes since v5:
 - none.
---
 drivers/clk/clk.c |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index dcf061a..ac80e13 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -1805,6 +1805,10 @@ struct clk *__clk_register(struct device *dev, struct 
clk_hw *hw)
        clk->flags = hw->init->flags;
        clk->parent_names = hw->init->parent_names;
        clk->num_parents = hw->init->num_parents;
+       if (dev && dev->driver)
+               clk->owner = dev->driver->owner;
+       else
+               clk->owner = NULL;
 
        ret = __clk_init(dev, clk);
        if (ret)
@@ -1825,6 +1829,8 @@ static int _clk_register(struct device *dev, struct 
clk_hw *hw, struct clk *clk)
                goto fail_name;
        }
        clk->ops = hw->init->ops;
+       if (dev && dev->driver)
+               clk->owner = dev->driver->owner;
        clk->hw = hw;
        clk->flags = hw->init->flags;
        clk->num_parents = hw->init->num_parents;
-- 
1.7.9.5


<Prev in Thread] Current Thread [Next in Thread>