Re: [RFC 13/19] scsi: mvsas: Replace PCI pool old API

From: Peter Senna Tschudin
Date: Wed Feb 08 2017 - 13:44:13 EST


On Wed, Feb 08, 2017 at 05:34:51PM +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.
>
> Signed-off-by: Romain Perier <romain.perier@xxxxxxxxxxxxx>
> ---
> drivers/scsi/mvsas/mv_init.c | 4 ++--
> drivers/scsi/mvsas/mv_sas.c | 6 +++---
> 2 files changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c
> index 8280046..451ba93 100644
> --- a/drivers/scsi/mvsas/mv_init.c
> +++ b/drivers/scsi/mvsas/mv_init.c
> @@ -126,7 +126,7 @@ static void mvs_free(struct mvs_info *mvi)
> slot_nr = MVS_CHIP_SLOT_SZ;
>
> if (mvi->dma_pool)
dma_pool_destroy(NULL) is safe and this check is probably not required

> - pci_pool_destroy(mvi->dma_pool);
> + dma_pool_destroy(mvi->dma_pool);
>
> if (mvi->tx)
> dma_free_coherent(mvi->dev,
> @@ -296,7 +296,7 @@ static int mvs_alloc(struct mvs_info *mvi, struct Scsi_Host *shost)
> goto err_out;
>
> sprintf(pool_name, "%s%d", "mvs_dma_pool", mvi->id);
> - mvi->dma_pool = pci_pool_create(pool_name, mvi->pdev, MVS_SLOT_BUF_SZ, 16, 0);
> + mvi->dma_pool = dma_pool_create(pool_name, &mvi->pdev->dev, MVS_SLOT_BUF_SZ, 16, 0);
line over 80.

> if (!mvi->dma_pool) {
> printk(KERN_DEBUG "failed to create dma pool %s.\n", pool_name);
> goto err_out;
> diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c
> index c7cc803..ee81d10 100644
> --- a/drivers/scsi/mvsas/mv_sas.c
> +++ b/drivers/scsi/mvsas/mv_sas.c
> @@ -790,7 +790,7 @@ static int mvs_task_prep(struct sas_task *task, struct mvs_info *mvi, int is_tmf
> slot->n_elem = n_elem;
> slot->slot_tag = tag;
>
> - slot->buf = pci_pool_alloc(mvi->dma_pool, GFP_ATOMIC, &slot->buf_dma);
> + slot->buf = dma_pool_alloc(mvi->dma_pool, GFP_ATOMIC, &slot->buf_dma);
> if (!slot->buf) {
> rc = -ENOMEM;
> goto err_out_tag;
> @@ -840,7 +840,7 @@ static int mvs_task_prep(struct sas_task *task, struct mvs_info *mvi, int is_tmf
> return rc;
>
> err_out_slot_buf:
> - pci_pool_free(mvi->dma_pool, slot->buf, slot->buf_dma);
> + dma_pool_free(mvi->dma_pool, slot->buf, slot->buf_dma);
> err_out_tag:
> mvs_tag_free(mvi, tag);
> err_out:
> @@ -918,7 +918,7 @@ static void mvs_slot_task_free(struct mvs_info *mvi, struct sas_task *task,
> }
>
> if (slot->buf) {
> - pci_pool_free(mvi->dma_pool, slot->buf, slot->buf_dma);
> + dma_pool_free(mvi->dma_pool, slot->buf, slot->buf_dma);
> slot->buf = NULL;
> }
> list_del_init(&slot->entry);
> --
> 2.9.3
>