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Message-ID: <01256fbd0ec5c14e30027be902e89b65ab921970.camel@nxp.com>
Date: Tue, 6 Aug 2019 09:17:07 +0000
From: Daniel Baluta <daniel.baluta@....com>
To: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Fancy Fang <chen.fang@....com>,
"mturquette@...libre.com" <mturquette@...libre.com>,
"festevam@...il.com" <festevam@...il.com>,
"sboyd@...nel.org" <sboyd@...nel.org>,
Jacky Bai <ping.bai@....com>, Jun Li <jun.li@....com>,
"agx@...xcpu.org" <agx@...xcpu.org>, Abel Vesa <abel.vesa@....com>,
"shawnguo@...nel.org" <shawnguo@...nel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
Anson Huang <anson.huang@....com>,
"linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
Peng Fan <peng.fan@....com>,
"kernel@...gutronix.de" <kernel@...gutronix.de>,
Leonard Crestez <leonard.crestez@....com>,
"s.hauer@...gutronix.de" <s.hauer@...gutronix.de>
CC: dl-linux-imx <linux-imx@....com>
Subject: Re: [PATCH 2/2] clk: imx8mq: Unregister clks when of_clk_add_provider
failed
On Tue, 2019-08-06 at 14:46 +0800, Anson.Huang@....com wrote:
> From: Anson Huang <Anson.Huang@....com>
>
> When of_clk_add_provider failed, all clks should be unregistered.
>
> Signed-off-by: Anson Huang <Anson.Huang@....com>
Reviewed-by: Daniel Baluta <daniel.baluta@....com>
> ---
> drivers/clk/imx/clk-imx8mq.c | 10 +++++++++-
> 1 file changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/clk/imx/clk-imx8mq.c b/drivers/clk/imx/clk-
> imx8mq.c
> index 04302f2..81a0249 100644
> --- a/drivers/clk/imx/clk-imx8mq.c
> +++ b/drivers/clk/imx/clk-imx8mq.c
> @@ -562,10 +562,18 @@ static int imx8mq_clocks_probe(struct
> platform_device *pdev)
> clk_data.clk_num = ARRAY_SIZE(clks);
>
> err = of_clk_add_provider(np, of_clk_src_onecell_get,
> &clk_data);
> - WARN_ON(err);
> + if (err < 0) {
> + dev_err(dev, "failed to register clks for i.MX8MQ\n");
> + goto unregister_clks;
> + }
>
> imx_register_uart_clocks(uart_clks);
>
> + return 0;
> +
> +unregister_clks:
> + imx_unregister_clocks(clks, ARRAY_SIZE(clks));
> +
> return err;
> }
>
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