Re: [PATCH 2/3] ACPI / hotplug / PCI: Use the new acpi_evaluate_reg() helper

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On Tue, May 05, 2020 at 03:21:27PM +0200, Hans de Goede wrote:
> Use the new acpi_evaluate_reg() helper in the acpiphp_glue.c code.
> 
> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>

Acked-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>

OK by me if this is merged with the first.

> ---
>  drivers/pci/hotplug/acpiphp_glue.c | 17 ++++-------------
>  1 file changed, 4 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
> index b3869951c0eb..fd77eb1d460c 100644
> --- a/drivers/pci/hotplug/acpiphp_glue.c
> +++ b/drivers/pci/hotplug/acpiphp_glue.c
> @@ -385,20 +385,11 @@ static unsigned char acpiphp_max_busnr(struct pci_bus *bus)
>  static void acpiphp_set_acpi_region(struct acpiphp_slot *slot)
>  {
>  	struct acpiphp_func *func;
> -	union acpi_object params[2];
> -	struct acpi_object_list arg_list;
>  
> -	list_for_each_entry(func, &slot->funcs, sibling) {
> -		arg_list.count = 2;
> -		arg_list.pointer = params;
> -		params[0].type = ACPI_TYPE_INTEGER;
> -		params[0].integer.value = ACPI_ADR_SPACE_PCI_CONFIG;
> -		params[1].type = ACPI_TYPE_INTEGER;
> -		params[1].integer.value = 1;
> -		/* _REG is optional, we don't care about if there is failure */
> -		acpi_evaluate_object(func_to_handle(func), "_REG", &arg_list,
> -				     NULL);
> -	}
> +	list_for_each_entry(func, &slot->funcs, sibling)
> +		acpi_evaluate_reg(func_to_handle(func),
> +				  ACPI_ADR_SPACE_PCI_CONFIG,
> +				  ACPI_REG_CONNECT);
>  }
>  
>  static void check_hotplug_bridge(struct acpiphp_slot *slot, struct pci_dev *dev)
> -- 
> 2.26.0
> 



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