Re: [PATCH v3 62/62] mmc: f-sdh30: fix order of function calls in sdhci_f_sdh30_remove

From: Adrian Hunter
Date: Thu Aug 03 2023 - 01:46:26 EST


On 27/07/23 16:55, Adrian Hunter wrote:
> On 27/07/23 10:00, Yangtao Li wrote:
>> The order of function calls in sdhci_f_sdh30_remove is wrong,
>> let's call sdhci_pltfm_unregister first.
>>
>> Cc: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
>> Fixes: 5def5c1c15bf ("mmc: sdhci-f-sdh30: Replace with sdhci_pltfm")
>> Signed-off-by: Yangtao Li <frank.li@xxxxxxxx>
>> ---
>> drivers/mmc/host/sdhci_f_sdh30.c | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/mmc/host/sdhci_f_sdh30.c b/drivers/mmc/host/sdhci_f_sdh30.c
>> index 840084ee72e6..964fa18a61a4 100644
>> --- a/drivers/mmc/host/sdhci_f_sdh30.c
>> +++ b/drivers/mmc/host/sdhci_f_sdh30.c
>> @@ -211,11 +211,11 @@ static void sdhci_f_sdh30_remove(struct platform_device *pdev)
>> struct sdhci_host *host = platform_get_drvdata(pdev);
>> struct f_sdhost_priv *priv = sdhci_f_sdhost_priv(host);
>>
>> + sdhci_pltfm_unregister(pdev);
>
> That also frees priv
>
>> +
>> reset_control_assert(priv->rst);
>> clk_disable_unprepare(priv->clk);
>> clk_disable_unprepare(priv->clk_iface);
>> -
>> - sdhci_pltfm_unregister(pdev);
>> }
>>
>> #ifdef CONFIG_OF
>

So it needs to end up looking something like below, right?

diff --git a/drivers/mmc/host/sdhci_f_sdh30.c b/drivers/mmc/host/sdhci_f_sdh30.c
index 840084ee72e6..47ae853f51aa 100644
--- a/drivers/mmc/host/sdhci_f_sdh30.c
+++ b/drivers/mmc/host/sdhci_f_sdh30.c
@@ -210,12 +210,15 @@ static void sdhci_f_sdh30_remove(struct platform_device *pdev)
{
struct sdhci_host *host = platform_get_drvdata(pdev);
struct f_sdhost_priv *priv = sdhci_f_sdhost_priv(host);
-
- reset_control_assert(priv->rst);
- clk_disable_unprepare(priv->clk);
- clk_disable_unprepare(priv->clk_iface);
+ struct clk *clk_iface = priv->clk_iface;
+ struct reset_control *rst = priv->rst;
+ struct clk *clk = priv->clk;

sdhci_pltfm_unregister(pdev);
+
+ reset_control_assert(rst);
+ clk_disable_unprepare(clk);
+ clk_disable_unprepare(clk_iface);
}

#ifdef CONFIG_OF