Re: [RFC v2 12/20] scsi: mpt3sas: Replace PCI pool old API

[Peter Senna Tschudin <peter.senna-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>]

On Sat, Feb 18, 2017 at 09:35:48AM +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.

Please run checkpatch, fix the style issue and resend.

> 
> Signed-off-by: Romain Perier <romain.perier-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
> ---
>  drivers/scsi/mpt3sas/mpt3sas_base.c | 73 +++++++++++++++++--------------------
>  1 file changed, 34 insertions(+), 39 deletions(-)
> 
> diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
> index a3fe1fb..3c2206d 100644
> --- a/drivers/scsi/mpt3sas/mpt3sas_base.c
> +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
> @@ -3210,9 +3210,8 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc)
>  	}
>  
>  	if (ioc->sense) {
> -		pci_pool_free(ioc->sense_dma_pool, ioc->sense, ioc->sense_dma);
> -		if (ioc->sense_dma_pool)
> -			pci_pool_destroy(ioc->sense_dma_pool);
> +		dma_pool_free(ioc->sense_dma_pool, ioc->sense, ioc->sense_dma);
> +		dma_pool_destroy(ioc->sense_dma_pool);
>  		dexitprintk(ioc, pr_info(MPT3SAS_FMT
>  			"sense_pool(0x%p): free\n",
>  			ioc->name, ioc->sense));
> @@ -3220,9 +3219,8 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc)
>  	}
>  
>  	if (ioc->reply) {
> -		pci_pool_free(ioc->reply_dma_pool, ioc->reply, ioc->reply_dma);
> -		if (ioc->reply_dma_pool)
> -			pci_pool_destroy(ioc->reply_dma_pool);
> +		dma_pool_free(ioc->reply_dma_pool, ioc->reply, ioc->reply_dma);
> +		dma_pool_destroy(ioc->reply_dma_pool);
>  		dexitprintk(ioc, pr_info(MPT3SAS_FMT
>  			"reply_pool(0x%p): free\n",
>  			ioc->name, ioc->reply));
> @@ -3230,10 +3228,9 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc)
>  	}
>  
>  	if (ioc->reply_free) {
> -		pci_pool_free(ioc->reply_free_dma_pool, ioc->reply_free,
> +		dma_pool_free(ioc->reply_free_dma_pool, ioc->reply_free,
>  		    ioc->reply_free_dma);
> -		if (ioc->reply_free_dma_pool)
> -			pci_pool_destroy(ioc->reply_free_dma_pool);
> +		dma_pool_destroy(ioc->reply_free_dma_pool);
>  		dexitprintk(ioc, pr_info(MPT3SAS_FMT
>  			"reply_free_pool(0x%p): free\n",
>  			ioc->name, ioc->reply_free));
> @@ -3244,7 +3241,7 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc)
>  		do {
>  			rps = &ioc->reply_post[i];
>  			if (rps->reply_post_free) {
> -				pci_pool_free(
> +				dma_pool_free(
>  				    ioc->reply_post_free_dma_pool,
>  				    rps->reply_post_free,
>  				    rps->reply_post_free_dma);
> @@ -3256,8 +3253,7 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc)
>  		} while (ioc->rdpq_array_enable &&
>  			   (++i < ioc->reply_queue_count));
>  
> -		if (ioc->reply_post_free_dma_pool)
> -			pci_pool_destroy(ioc->reply_post_free_dma_pool);
> +		dma_pool_destroy(ioc->reply_post_free_dma_pool);
>  		kfree(ioc->reply_post);
>  	}
>  
> @@ -3278,12 +3274,11 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc)
>  	if (ioc->chain_lookup) {
>  		for (i = 0; i < ioc->chain_depth; i++) {
>  			if (ioc->chain_lookup[i].chain_buffer)
> -				pci_pool_free(ioc->chain_dma_pool,
> +				dma_pool_free(ioc->chain_dma_pool,
>  				    ioc->chain_lookup[i].chain_buffer,
>  				    ioc->chain_lookup[i].chain_buffer_dma);
>  		}
> -		if (ioc->chain_dma_pool)
> -			pci_pool_destroy(ioc->chain_dma_pool);
> +		dma_pool_destroy(ioc->chain_dma_pool);
>  		free_pages((ulong)ioc->chain_lookup, ioc->chain_pages);
>  		ioc->chain_lookup = NULL;
>  	}
> @@ -3458,23 +3453,23 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc)
>  			ioc->name);
>  		goto out;
>  	}
> -	ioc->reply_post_free_dma_pool = pci_pool_create("reply_post_free pool",
> -	    ioc->pdev, sz, 16, 0);
> +	ioc->reply_post_free_dma_pool = dma_pool_create("reply_post_free pool",
> +	    &ioc->pdev->dev, sz, 16, 0);
>  	if (!ioc->reply_post_free_dma_pool) {
>  		pr_err(MPT3SAS_FMT
> -		 "reply_post_free pool: pci_pool_create failed\n",
> +		 "reply_post_free pool: dma_pool_create failed\n",
>  		 ioc->name);
>  		goto out;
>  	}
>  	i = 0;
>  	do {
>  		ioc->reply_post[i].reply_post_free =
> -		    pci_pool_alloc(ioc->reply_post_free_dma_pool,
> +		    dma_pool_alloc(ioc->reply_post_free_dma_pool,
>  		    GFP_KERNEL,
>  		    &ioc->reply_post[i].reply_post_free_dma);
>  		if (!ioc->reply_post[i].reply_post_free) {
>  			pr_err(MPT3SAS_FMT
> -			"reply_post_free pool: pci_pool_alloc failed\n",
> +			"reply_post_free pool: dma_pool_alloc failed\n",
>  			ioc->name);
>  			goto out;
>  		}
> @@ -3589,15 +3584,15 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc)
>  			ioc->name);
>  		goto out;
>  	}
> -	ioc->chain_dma_pool = pci_pool_create("chain pool", ioc->pdev,
> +	ioc->chain_dma_pool = dma_pool_create("chain pool", &ioc->pdev->dev,
>  	    ioc->chain_segment_sz, 16, 0);
>  	if (!ioc->chain_dma_pool) {
> -		pr_err(MPT3SAS_FMT "chain_dma_pool: pci_pool_create failed\n",
> +		pr_err(MPT3SAS_FMT "chain_dma_pool: dma_pool_create failed\n",
>  			ioc->name);
>  		goto out;
>  	}
>  	for (i = 0; i < ioc->chain_depth; i++) {
> -		ioc->chain_lookup[i].chain_buffer = pci_pool_alloc(
> +		ioc->chain_lookup[i].chain_buffer = dma_pool_alloc(
>  		    ioc->chain_dma_pool , GFP_KERNEL,
>  		    &ioc->chain_lookup[i].chain_buffer_dma);
>  		if (!ioc->chain_lookup[i].chain_buffer) {
> @@ -3642,17 +3637,17 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc)
>  
>  	/* sense buffers, 4 byte align */
>  	sz = ioc->scsiio_depth * SCSI_SENSE_BUFFERSIZE;
> -	ioc->sense_dma_pool = pci_pool_create("sense pool", ioc->pdev, sz, 4,
> -	    0);
> +	ioc->sense_dma_pool = dma_pool_create("sense pool", &ioc->pdev->dev, sz,
> +					      4, 0);
>  	if (!ioc->sense_dma_pool) {
> -		pr_err(MPT3SAS_FMT "sense pool: pci_pool_create failed\n",
> +		pr_err(MPT3SAS_FMT "sense pool: dma_pool_create failed\n",
>  		    ioc->name);
>  		goto out;
>  	}
> -	ioc->sense = pci_pool_alloc(ioc->sense_dma_pool , GFP_KERNEL,
> +	ioc->sense = dma_pool_alloc(ioc->sense_dma_pool, GFP_KERNEL,
>  	    &ioc->sense_dma);
>  	if (!ioc->sense) {
> -		pr_err(MPT3SAS_FMT "sense pool: pci_pool_alloc failed\n",
> +		pr_err(MPT3SAS_FMT "sense pool: dma_pool_alloc failed\n",
>  		    ioc->name);
>  		goto out;
>  	}
> @@ -3666,17 +3661,17 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc)
>  
>  	/* reply pool, 4 byte align */
>  	sz = ioc->reply_free_queue_depth * ioc->reply_sz;
> -	ioc->reply_dma_pool = pci_pool_create("reply pool", ioc->pdev, sz, 4,
> -	    0);
> +	ioc->reply_dma_pool = dma_pool_create("reply pool", &ioc->pdev->dev, sz,
> +					      4, 0);
>  	if (!ioc->reply_dma_pool) {
> -		pr_err(MPT3SAS_FMT "reply pool: pci_pool_create failed\n",
> +		pr_err(MPT3SAS_FMT "reply pool: dma_pool_create failed\n",
>  		    ioc->name);
>  		goto out;
>  	}
> -	ioc->reply = pci_pool_alloc(ioc->reply_dma_pool , GFP_KERNEL,
> +	ioc->reply = dma_pool_alloc(ioc->reply_dma_pool, GFP_KERNEL,
>  	    &ioc->reply_dma);
>  	if (!ioc->reply) {
> -		pr_err(MPT3SAS_FMT "reply pool: pci_pool_alloc failed\n",
> +		pr_err(MPT3SAS_FMT "reply pool: dma_pool_alloc failed\n",
>  		    ioc->name);
>  		goto out;
>  	}
> @@ -3692,17 +3687,17 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc)
>  
>  	/* reply free queue, 16 byte align */
>  	sz = ioc->reply_free_queue_depth * 4;
> -	ioc->reply_free_dma_pool = pci_pool_create("reply_free pool",
> -	    ioc->pdev, sz, 16, 0);
> +	ioc->reply_free_dma_pool = dma_pool_create("reply_free pool",
> +	    &ioc->pdev->dev, sz, 16, 0);
>  	if (!ioc->reply_free_dma_pool) {
> -		pr_err(MPT3SAS_FMT "reply_free pool: pci_pool_create failed\n",
> +		pr_err(MPT3SAS_FMT "reply_free pool: dma_pool_create failed\n",
>  			ioc->name);
>  		goto out;
>  	}
> -	ioc->reply_free = pci_pool_alloc(ioc->reply_free_dma_pool , GFP_KERNEL,
> +	ioc->reply_free = dma_pool_alloc(ioc->reply_free_dma_pool , GFP_KERNEL,
here:                                                             ^

>  	    &ioc->reply_free_dma);
>  	if (!ioc->reply_free) {
> -		pr_err(MPT3SAS_FMT "reply_free pool: pci_pool_alloc failed\n",
> +		pr_err(MPT3SAS_FMT "reply_free pool: dma_pool_alloc failed\n",
>  			ioc->name);
>  		goto out;
>  	}
> @@ -3720,7 +3715,7 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc)
>  	    ioc->config_page_sz, &ioc->config_page_dma);
>  	if (!ioc->config_page) {
>  		pr_err(MPT3SAS_FMT
> -			"config page: pci_pool_alloc failed\n",
> +			"config page: dma_pool_alloc failed\n",
>  			ioc->name);
>  		goto out;
>  	}
> -- 
> 2.9.3
> 
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