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From: Andrey Panov <rockford@yandex.ru>
To: barebox@lists.infradead.org
Subject: [PATCH 08/18] CLK: Check and do not allow to register clock twice.
Date: Mon,  2 Mar 2015 23:21:52 +0300	[thread overview]
Message-ID: <1425327722-28232-9-git-send-email-rockford@yandex.ru> (raw)
In-Reply-To: <1425327722-28232-1-git-send-email-rockford@yandex.ru>

Signed-off-by: Andrey Panov <rockford@yandex.ru>
---
 drivers/clk/clk.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 584e2f3..5f78c9c 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -212,8 +212,17 @@ struct clk *clk_get_parent(struct clk *clk)
 
 int clk_register(struct clk *clk)
 {
+	struct clk *c;
+
 	clk->parents = xzalloc(sizeof(struct clk *) * clk->num_parents);
 
+	list_for_each_entry(c, &clks, list) {
+		if (!strcmp(c->name, clk->name)){
+			pr_err("%s clk %s is already registered, skipping!\n", __func__, clk->name);
+			return 0;
+		}
+	}
+
 	list_add_tail(&clk->list, &clks);
 
 	return 0;
-- 
2.1.4


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  parent reply	other threads:[~2015-03-02 20:22 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-02 20:21 [PATCH 00/18] Update support for RK3188, Radxa Rock board Andrey Panov
2015-03-02 20:21 ` [PATCH 01/18] lib: Add gcd() function Andrey Panov
2015-03-03  7:45   ` Sascha Hauer
2015-03-02 20:21 ` [PATCH 02/18] CLK: Add support for composite clock from Linux kernel Andrey Panov
2015-03-03  7:48   ` Sascha Hauer
2015-03-02 20:21 ` [PATCH 03/18] CLK: Add fractional divider clock support " Andrey Panov
2015-03-03  7:51   ` Sascha Hauer
2015-03-02 20:21 ` [PATCH 04/18] CLK: clk-mux: Respect CLK_MUX_HIWORD_MASK flag Andrey Panov
2015-03-02 20:21 ` [PATCH 05/18] CLK: clk-divider: Respect CLK_DIVIDER_HIWORD_MASK flag Andrey Panov
2015-03-02 20:21 ` [PATCH 06/18] CLK: clk-divider: Introduce clk_divider_alloc() and *_free() routines Andrey Panov
2015-03-02 20:21 ` [PATCH 07/18] CLK: clk-divider: Respect CLK_DIVIDER_POWER_OF_TWO flag Andrey Panov
2015-03-02 20:21 ` Andrey Panov [this message]
2015-03-03  9:03   ` [PATCH 08/18] CLK: Check and do not allow to register clock twice Sascha Hauer
2015-03-02 20:21 ` [PATCH 09/18] CLK: Add helper defines to barebox-wrapper.h for easier porting of drivers from Linux kernel Andrey Panov
2015-03-02 20:21 ` [PATCH 10/18] NET: arc_emac: Update for newer DTS, support for Rockchip .compatible Andrey Panov
2015-03-02 20:21 ` [PATCH 11/18] MMC: dw_mmc: Add support for PIO mode and Rockchip variant of this hardware Andrey Panov
2015-03-02 20:21 ` [PATCH 12/18] ARM: Rockchip: Remove unused files from mach-rockchip Andrey Panov
2015-03-02 20:21 ` [PATCH 13/18] ARM: Rockchip: Update Kconfig Andrey Panov
2015-03-02 20:21 ` [PATCH 14/18] ARM: Rockchip: Update clk driver from Linux kernel for use with newer DTS Andrey Panov
2015-03-02 20:21 ` [PATCH 15/18] ARM: Rockchip: Use newer DTS for Radxa Rock board Andrey Panov
2015-03-02 20:22 ` [PATCH 16/18] ARM: Rockchip: Update " Andrey Panov
2015-03-02 20:22 ` [PATCH 17/18] ARM: Rockchip: Add Radxa Rock defconfig Andrey Panov
2015-03-02 20:22 ` [PATCH 18/18] ARM: Rockchip: Add documentation Andrey Panov
2015-03-02 20:54 ` [PATCH 00/18] Update support for RK3188, Radxa Rock board Antony Pavlov

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