linux-kernel - Re: [PATCH v2 2/6] Documentation/driver-api: Update pcim_enable

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Message-ID: <b95a3aae-1f66-481f-b8c5-aa5bfd403185@oracle.com>
Date: Sat, 17 May 2025 02:32:50 +0530
From: ALOK TIWARI <alok.a.tiwari@...cle.com>
To: Philipp Stanner <phasta@...nel.org>, Jonathan Corbet <corbet@....net>,
        Bjorn Helgaas <bhelgaas@...gle.com>, Mark Brown <broonie@...nel.org>,
        David Lechner <dlechner@...libre.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Zijun Hu <quic_zijuhu@...cinc.com>,
        Yang Yingliang
 <yangyingliang@...wei.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Krzysztof Wilczyński <kw@...ux.com>
Cc: linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pci@...r.kernel.org
Subject: Re: [PATCH v2 2/6] Documentation/driver-api: Update
 pcim_enable_device()



On 16-05-2025 23:11, Philipp Stanner wrote:
> pcim_enable_device() is not related anymore to switching the mode of
> operation of any functions. It merely sets up a devres callback for
> automatically disabling the PCI device on driver detach.
> 
> Adjust the function's documentation.
> 
> Signed-off-by: Philipp Stanner <phasta@...nel.org>
> ---
>   Documentation/driver-api/driver-model/devres.rst | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Documentation/driver-api/driver-model/devres.rst b/Documentation/driver-api/driver-model/devres.rst
> index d75728eb05f8..9443911c4742 100644
> --- a/Documentation/driver-api/driver-model/devres.rst
> +++ b/Documentation/driver-api/driver-model/devres.rst
> @@ -391,7 +391,7 @@ PCI
>     devm_pci_remap_cfgspace()	: ioremap PCI configuration space
>     devm_pci_remap_cfg_resource()	: ioremap PCI configuration space resource
>   
> -  pcim_enable_device()		: after success, some PCI ops become managed
> +  pcim_enable_device()		: after success, PCI dev gets deactivated automatically

PCI dev -> PCI device
something like this if work ?"after success, PCI device disables 
automatically once driver detaches"

>     pcim_iomap()			: do iomap() on a single BAR
>     pcim_iomap_regions()		: do request_region() and iomap() on multiple BARs
>     pcim_iomap_table()		: array of mapped addresses indexed by BAR


Thanks,
Alok