Re: [RFC PATCH 09/13] ata: Use always-managed version of pci_intx()

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On 10/9/24 17:35, Philipp Stanner wrote:
> pci_intx() is a hybrid function which can sometimes be managed through
> devres. To remove this hybrid nature from pci_intx(), it is necessary to
> port users to either an always-managed or a never-managed version.
> 
> All users in ata enable their PCI-Device with pcim_enable_device(). Thus,
> they need the always-managed version.
> 
> Replace pci_intx() with pci_intx_unmanaged().

This contradicts the sentence above and the patche replaces pci_intx() with
pcim_intx()... So s/pci_intx_unmanaged/pcim_intx in the above sentence ?

> 
> Signed-off-by: Philipp Stanner <pstanner@xxxxxxxxxx>
> ---
>  drivers/ata/ahci.c       | 2 +-
>  drivers/ata/ata_piix.c   | 2 +-
>  drivers/ata/pata_rdc.c   | 2 +-
>  drivers/ata/sata_sil24.c | 2 +-
>  drivers/ata/sata_sis.c   | 2 +-
>  drivers/ata/sata_uli.c   | 2 +-
>  drivers/ata/sata_vsc.c   | 2 +-
>  7 files changed, 7 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
> index 45f63b09828a..9273ff3d4732 100644
> --- a/drivers/ata/ahci.c
> +++ b/drivers/ata/ahci.c
> @@ -1985,7 +1985,7 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
>  
>  	if (ahci_init_msi(pdev, n_ports, hpriv) < 0) {
>  		/* legacy intx interrupts */
> -		pci_intx(pdev, 1);
> +		pcim_intx(pdev, 1);
>  	}
>  	hpriv->irq = pci_irq_vector(pdev, 0);
>  
> diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
> index 093b940bc953..d441246fa357 100644
> --- a/drivers/ata/ata_piix.c
> +++ b/drivers/ata/ata_piix.c
> @@ -1725,7 +1725,7 @@ static int piix_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
>  	 * message-signalled interrupts currently).
>  	 */
>  	if (port_flags & PIIX_FLAG_CHECKINTR)
> -		pci_intx(pdev, 1);
> +		pcim_intx(pdev, 1);
>  
>  	if (piix_check_450nx_errata(pdev)) {
>  		/* This writes into the master table but it does not
> diff --git a/drivers/ata/pata_rdc.c b/drivers/ata/pata_rdc.c
> index 0a9689862f71..09792aac7f9d 100644
> --- a/drivers/ata/pata_rdc.c
> +++ b/drivers/ata/pata_rdc.c
> @@ -340,7 +340,7 @@ static int rdc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
>  		return rc;
>  	host->private_data = hpriv;
>  
> -	pci_intx(pdev, 1);
> +	pcim_intx(pdev, 1);
>  
>  	host->flags |= ATA_HOST_PARALLEL_SCAN;
>  
> diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c
> index 72c03cbdaff4..b771ebd41252 100644
> --- a/drivers/ata/sata_sil24.c
> +++ b/drivers/ata/sata_sil24.c
> @@ -1317,7 +1317,7 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
>  
>  	if (sata_sil24_msi && !pci_enable_msi(pdev)) {
>  		dev_info(&pdev->dev, "Using MSI\n");
> -		pci_intx(pdev, 0);
> +		pcim_intx(pdev, 0);
>  	}
>  
>  	pci_set_master(pdev);
> diff --git a/drivers/ata/sata_sis.c b/drivers/ata/sata_sis.c
> index ef8724986de3..b8b6d9eff3b8 100644
> --- a/drivers/ata/sata_sis.c
> +++ b/drivers/ata/sata_sis.c
> @@ -290,7 +290,7 @@ static int sis_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
>  	}
>  
>  	pci_set_master(pdev);
> -	pci_intx(pdev, 1);
> +	pcim_intx(pdev, 1);
>  	return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt,
>  				 IRQF_SHARED, &sis_sht);
>  }
> diff --git a/drivers/ata/sata_uli.c b/drivers/ata/sata_uli.c
> index 60ea45926cd1..52894ff49dcb 100644
> --- a/drivers/ata/sata_uli.c
> +++ b/drivers/ata/sata_uli.c
> @@ -221,7 +221,7 @@ static int uli_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
>  	}
>  
>  	pci_set_master(pdev);
> -	pci_intx(pdev, 1);
> +	pcim_intx(pdev, 1);
>  	return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt,
>  				 IRQF_SHARED, &uli_sht);
>  }
> diff --git a/drivers/ata/sata_vsc.c b/drivers/ata/sata_vsc.c
> index d39b87537168..a53a2dfc1e17 100644
> --- a/drivers/ata/sata_vsc.c
> +++ b/drivers/ata/sata_vsc.c
> @@ -384,7 +384,7 @@ static int vsc_sata_init_one(struct pci_dev *pdev,
>  		pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x80);
>  
>  	if (pci_enable_msi(pdev) == 0)
> -		pci_intx(pdev, 0);
> +		pcim_intx(pdev, 0);
>  
>  	/*
>  	 * Config offset 0x98 is "Extended Control and Status Register 0"


-- 
Damien Le Moal
Western Digital Research




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