Re: [PATCH 01/13] PCI: cadence: Remove stray "pm_runtime_put_sync()" in error path

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On Mon, Dec 09, 2019 at 02:51:35PM +0530, Kishon Vijay Abraham I wrote:
> commit bd22885aa188f135fd9 ("PCI: cadence: Refactor driver to use
> as a core library") while refactoring the Cadence PCIe driver to be
> used as library, removed pm_runtime_get_sync() from cdns_pcie_ep_setup()
> and cdns_pcie_host_setup() but missed to remove the corresponding
> pm_runtime_put_sync() in the error path. Fix it here.
> 
> Fixes: commit bd22885aa188f135fd9 ("PCI: cadence: Refactor driver to use

As this is a fix, a commit subject starting with PCI: cadence: Fix ... may
be more obvious.

I'd suggest you use the shorter form of this, i.e. Fixes: %h (\"%s\"))

Fixes: bd22885aa188 ("PCI: cadence: Refactor driver to use as a core library")

> as a core library")
> 
> Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
> ---
>  drivers/pci/controller/cadence/pcie-cadence-ep.c   | 2 --
>  drivers/pci/controller/cadence/pcie-cadence-host.c | 2 --
>  2 files changed, 4 deletions(-)
> 
> diff --git a/drivers/pci/controller/cadence/pcie-cadence-ep.c b/drivers/pci/controller/cadence/pcie-cadence-ep.c
> index 1c173dad67d1..560f22b4d165 100644
> --- a/drivers/pci/controller/cadence/pcie-cadence-ep.c
> +++ b/drivers/pci/controller/cadence/pcie-cadence-ep.c
> @@ -473,7 +473,5 @@ int cdns_pcie_ep_setup(struct cdns_pcie_ep *ep)
>  	pci_epc_mem_exit(epc);
>  
>   err_init:
> -	pm_runtime_put_sync(dev);
> -
>  	return ret;
>  }
> diff --git a/drivers/pci/controller/cadence/pcie-cadence-host.c b/drivers/pci/controller/cadence/pcie-cadence-host.c
> index 9b1c3966414b..ccf55e143e1d 100644
> --- a/drivers/pci/controller/cadence/pcie-cadence-host.c
> +++ b/drivers/pci/controller/cadence/pcie-cadence-host.c
> @@ -275,7 +275,5 @@ int cdns_pcie_host_setup(struct cdns_pcie_rc *rc)
>  	pci_free_resource_list(&resources);
>  
>   err_init:
> -	pm_runtime_put_sync(dev);
> -

There is probably more you can do here for both -host and -ep:

 - Remove the possibly now unused <linux/pm_runtime.h> include
 - Remove the err_init label and return directly from source.

Thanks,

Andrew Murray

>  	return ret;
>  }
> -- 
> 2.17.1
> 



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