Re: [RFC 07/19] wireless: ipw2200: Replace PCI pool old API

From: Peter Senna Tschudin
Date: Wed Feb 08 2017 - 13:28:33 EST


On Wed, Feb 08, 2017 at 05:34:45PM +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/net/wireless/intel/ipw2x00/ipw2200.c | 12 ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/net/wireless/intel/ipw2x00/ipw2200.c b/drivers/net/wireless/intel/ipw2x00/ipw2200.c
> index 5ef3c5c..6d77870 100644
> --- a/drivers/net/wireless/intel/ipw2x00/ipw2200.c
> +++ b/drivers/net/wireless/intel/ipw2x00/ipw2200.c
> @@ -3211,7 +3211,7 @@ static int ipw_load_firmware(struct ipw_priv *priv, u8 * data, size_t len)
> struct fw_chunk *chunk;
> int total_nr = 0;
> int i;
> - struct pci_pool *pool;
> + struct dma_pool *pool;
> void **virts;
> dma_addr_t *phys;
>
> @@ -3228,9 +3228,9 @@ static int ipw_load_firmware(struct ipw_priv *priv, u8 * data, size_t len)
> kfree(virts);
> return -ENOMEM;
> }
> - pool = pci_pool_create("ipw2200", priv->pci_dev, CB_MAX_LENGTH, 0, 0);
> + pool = dma_pool_create("ipw2200", &priv->pci_dev->dev, CB_MAX_LENGTH, 0, 0);
Introduces line over 80 characters warning. Please fix and resubmit.
Other than that looks good. Tested by compiling it.
> if (!pool) {
> - IPW_ERROR("pci_pool_create failed\n");
> + IPW_ERROR("dma_pool_create failed\n");
> kfree(phys);
> kfree(virts);
> return -ENOMEM;
> @@ -3255,7 +3255,7 @@ static int ipw_load_firmware(struct ipw_priv *priv, u8 * data, size_t len)
>
> nr = (chunk_len + CB_MAX_LENGTH - 1) / CB_MAX_LENGTH;
> for (i = 0; i < nr; i++) {
> - virts[total_nr] = pci_pool_alloc(pool, GFP_KERNEL,
> + virts[total_nr] = dma_pool_alloc(pool, GFP_KERNEL,
> &phys[total_nr]);
> if (!virts[total_nr]) {
> ret = -ENOMEM;
> @@ -3299,9 +3299,9 @@ static int ipw_load_firmware(struct ipw_priv *priv, u8 * data, size_t len)
> }
> out:
> for (i = 0; i < total_nr; i++)
> - pci_pool_free(pool, virts[i], phys[i]);
> + dma_pool_free(pool, virts[i], phys[i]);
>
> - pci_pool_destroy(pool);
> + dma_pool_destroy(pool);
> kfree(phys);
> kfree(virts);
>
> --
> 2.9.3
>