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From: Ahmad Fatoum <a.fatoum@pengutronix.de>
To: Adam Ford <aford173@gmail.com>, linux-clk@vger.kernel.org
Cc: Aisheng Dong <aisheng.dong@nxp.com>,
	Linus Walleij <linus.walleij@linaro.org>,
	Abel Vesa <abel.vesa@nxp.com>, Stephen Boyd <sboyd@kernel.org>,
	Fabio Estevam <festevam@gmail.com>,
	Michael Turquette <mturquette@baylibre.com>,
	aford@beaconembedded.com, linux-kernel@vger.kernel.org,
	NXP Linux Team <linux-imx@nxp.com>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Shawn Guo <shawnguo@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	linux-arm-kernel@lists.infradead.org,
	Jerome Brunet <jbrunet@baylibre.com>
Subject: Re: [PATCH V4] clk: imx: Fix reparenting of UARTs not associated with stdout
Date: Sun, 14 Mar 2021 10:40:24 +0100	[thread overview]
Message-ID: <0361ab5b-a26e-7631-9bae-8909715f6354@pengutronix.de> (raw)
In-Reply-To: <e754a185-4aa2-295a-37a8-dd0c7ebc289f@pengutronix.de>

On 13.03.21 16:16, Ahmad Fatoum wrote:
>> +/* i.MX boards use device trees now.  For build tests without CONFIG_OF, do nothing */
>> +#ifdef CONFIG_OF
>>  	if (imx_keep_uart_clocks) {
>>  		int i;
>>  
>> -		imx_uart_clocks = clks;
>> -		for (i = 0; imx_uart_clocks[i]; i++)
>> -			clk_prepare_enable(*imx_uart_clocks[i]);
>> +		imx_uart_clocks = kcalloc(clk_count, sizeof(struct clk *), GFP_KERNEL);
>> +
>> +		if (!of_stdout)
>> +			return;
> 
> Memory leak. Just do if (imx_keep_uart_clocks && of_stdout)

Please dismiss. I overlooked that you free it in a later initcall.

>>  static int __init imx_clk_disable_uart(void)
>>  {
>> -	if (imx_keep_uart_clocks && imx_uart_clocks) {
>> +	if (imx_keep_uart_clocks && imx_enabled_uart_clocks) {
>>  		int i;
>>  
>> -		for (i = 0; imx_uart_clocks[i]; i++)
>> -			clk_disable_unprepare(*imx_uart_clocks[i]);
>> +		for (i = 0; i < imx_enabled_uart_clocks; i++) {
>> +			clk_disable_unprepare(imx_uart_clocks[i]);
>> +			clk_put(imx_uart_clocks[i]);
>> +		};
>> +		kfree(imx_uart_clocks);
>>  	}

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  reply	other threads:[~2021-03-14  9:42 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-13 12:28 [PATCH V4] clk: imx: Fix reparenting of UARTs not associated with stdout Adam Ford
2021-03-13 15:16 ` Ahmad Fatoum
2021-03-14  9:40   ` Ahmad Fatoum [this message]
2021-03-20 23:00     ` Adam Ford
2021-03-22 11:05       ` Abel Vesa
2021-03-22 21:42 ` Abel Vesa
2021-03-24 17:06   ` Adam Ford

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