From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from ns.km20343-01.keymachine.de ([84.19.182.79] helo=km20343-01.keymachine.de) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Ujlh8-0004X4-6D for barebox@lists.infradead.org; Tue, 04 Jun 2013 07:30:15 +0000 Received: from antimon.pengutronix.de (port-212-202-120-50.static.qsc.de [212.202.120.50]) by km20343-01.keymachine.de (Postfix) with ESMTPA id 7E91B7D44B4 for ; Tue, 4 Jun 2013 09:29:29 +0200 (CEST) From: Lucas Stach Date: Tue, 4 Jun 2013 09:29:20 +0200 Message-Id: <1370330963-3610-3-git-send-email-dev@lynxeye.de> In-Reply-To: <1370330963-3610-1-git-send-email-dev@lynxeye.de> References: <1370330963-3610-1-git-send-email-dev@lynxeye.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 3/6] clk: allow to instanciate clk mux without registering it To: barebox@lists.infradead.org Allows to reuse clk mux code within other clocks. Signed-off-by: Lucas Stach --- drivers/clk/clk-mux.c | 29 ++++++++++++++++++++++++----- include/linux/clk.h | 4 ++++ 2 files changed, 28 insertions(+), 5 deletions(-) diff --git a/drivers/clk/clk-mux.c b/drivers/clk/clk-mux.c index cb5f1a1..47efe12 100644 --- a/drivers/clk/clk-mux.c +++ b/drivers/clk/clk-mux.c @@ -27,6 +27,8 @@ struct clk_mux { int width; }; +#define to_clk_mux(_clk) container_of(_clk, struct clk_mux, clk) + static int clk_mux_get_parent(struct clk *clk) { struct clk_mux *m = container_of(clk, struct clk_mux, clk); @@ -53,11 +55,10 @@ struct clk_ops clk_mux_ops = { .set_parent = clk_mux_set_parent, }; -struct clk *clk_mux(const char *name, void __iomem *reg, +struct clk *clk_mux_alloc(const char *name, void __iomem *reg, u8 shift, u8 width, const char **parents, u8 num_parents) { struct clk_mux *m = xzalloc(sizeof(*m)); - int ret; m->reg = reg; m->shift = shift; @@ -67,11 +68,29 @@ struct clk *clk_mux(const char *name, void __iomem *reg, m->clk.parent_names = parents; m->clk.num_parents = num_parents; - ret = clk_register(&m->clk); + return &m->clk; +} + +void clk_mux_free(struct clk *clk_mux) +{ + struct clk_mux *m = to_clk_mux(clk_mux); + + free(m); +} + +struct clk *clk_mux(const char *name, void __iomem *reg, + u8 shift, u8 width, const char **parents, u8 num_parents) +{ + struct clk *m; + int ret; + + m = clk_mux_alloc(name, reg, shift, width, parents, num_parents); + + ret = clk_register(m); if (ret) { - free(m); + free(to_clk_mux(m)); return ERR_PTR(ret); } - return &m->clk; + return m; } diff --git a/include/linux/clk.h b/include/linux/clk.h index cf41bd7..d5e5b6b 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h @@ -197,6 +197,10 @@ struct clk *clk_divider_table(const char *name, const struct clk_div_table *table); struct clk *clk_fixed_factor(const char *name, const char *parent, unsigned int mult, unsigned int div); + +struct clk *clk_mux_alloc(const char *name, void __iomem *reg, + u8 shift, u8 width, const char **parents, u8 num_parents); +void clk_mux_free(struct clk *clk_mux); struct clk *clk_mux(const char *name, void __iomem *reg, u8 shift, u8 width, const char **parents, u8 num_parents); -- 1.8.2.1 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox