linux-kernel - Re: [RFC 14/19] scsi: pmcraid: Replace PCI pool old API

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Message-ID: <20170208184235.GN16878@collabora.com>
Date:   Wed, 8 Feb 2017 19:42:35 +0100
From:   Peter Senna Tschudin <peter.senna@...labora.com>
To:     Romain Perier <romain.perier@...labora.com>
Cc:     Dan Williams <dan.j.williams@...el.com>,
        Doug Ledford <dledford@...hat.com>,
        Sean Hefty <sean.hefty@...el.com>,
        Hal Rosenstock <hal.rosenstock@...il.com>,
        jeffrey.t.kirsher@...el.com,
        "David S. Miller" <davem@...emloft.net>, stas.yakovlev@...il.com,
        "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Felipe Balbi <balbi@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-rdma@...r.kernel.org, netdev@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Peter Senna Tschudin <peter.senna@...labora.co.uk>
Subject: Re: [RFC 14/19] scsi: pmcraid: Replace PCI pool old API

On Wed, Feb 08, 2017 at 05:34:52PM +0100, Romain Perier wrote:
> The PCI pool API is deprecated. This commits replaces the PCI pool old
> API by the appropriated function with the DMA pool API.
> 
Tested by compilation only.

Acked-by: Peter Senna Tschudin <peter.senna@...labora.com>
Tested-by: Peter Senna Tschudin <peter.senna@...labora.com>
> Signed-off-by: Romain Perier <romain.perier@...labora.com>
> ---
>  drivers/scsi/pmcraid.c | 10 +++++-----
>  drivers/scsi/pmcraid.h |  2 +-
>  2 files changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
> index 49e70a3..0f893c4 100644
> --- a/drivers/scsi/pmcraid.c
> +++ b/drivers/scsi/pmcraid.c
> @@ -4699,13 +4699,13 @@ pmcraid_release_control_blocks(
>  		return;
>  
>  	for (i = 0; i < max_index; i++) {
> -		pci_pool_free(pinstance->control_pool,
> +		dma_pool_free(pinstance->control_pool,
>  			      pinstance->cmd_list[i]->ioa_cb,
>  			      pinstance->cmd_list[i]->ioa_cb_bus_addr);
>  		pinstance->cmd_list[i]->ioa_cb = NULL;
>  		pinstance->cmd_list[i]->ioa_cb_bus_addr = 0;
>  	}
> -	pci_pool_destroy(pinstance->control_pool);
> +	dma_pool_destroy(pinstance->control_pool);
>  	pinstance->control_pool = NULL;
>  }
>  
> @@ -4762,8 +4762,8 @@ static int pmcraid_allocate_control_blocks(struct pmcraid_instance *pinstance)
>  		pinstance->host->unique_id);
>  
>  	pinstance->control_pool =
> -		pci_pool_create(pinstance->ctl_pool_name,
> -				pinstance->pdev,
> +		dma_pool_create(pinstance->ctl_pool_name,
> +				&pinstance->pdev->dev,
>  				sizeof(struct pmcraid_control_block),
>  				PMCRAID_IOARCB_ALIGNMENT, 0);
>  
> @@ -4772,7 +4772,7 @@ static int pmcraid_allocate_control_blocks(struct pmcraid_instance *pinstance)
>  
>  	for (i = 0; i < PMCRAID_MAX_CMD; i++) {
>  		pinstance->cmd_list[i]->ioa_cb =
> -			pci_pool_alloc(
> +			dma_pool_alloc(
>  				pinstance->control_pool,
>  				GFP_KERNEL,
>  				&(pinstance->cmd_list[i]->ioa_cb_bus_addr));
> diff --git a/drivers/scsi/pmcraid.h b/drivers/scsi/pmcraid.h
> index 568b18a..acf5a7b 100644
> --- a/drivers/scsi/pmcraid.h
> +++ b/drivers/scsi/pmcraid.h
> @@ -755,7 +755,7 @@ struct pmcraid_instance {
>  
>  	/* structures related to command blocks */
>  	struct kmem_cache *cmd_cachep;		/* cache for cmd blocks */
> -	struct pci_pool *control_pool;		/* pool for control blocks */
> +	struct dma_pool *control_pool;		/* pool for control blocks */
>  	char   cmd_pool_name[64];		/* name of cmd cache */
>  	char   ctl_pool_name[64];		/* name of control cache */
>  
> -- 
> 2.9.3
>