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Date: Tue, 24 Aug 2021 16:56:52 +0200
From: Ulf Hansson <ulf.hansson@...aro.org>
To: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc: Alex Dubov <oakad@...oo.com>, Bruce Chang <brucechang@....com.tw>,
Harald Welte <HaraldWelte@...tech.com>,
linux-mmc <linux-mmc@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] mmc: switch from 'pci_' to 'dma_' API
On Sun, 22 Aug 2021 at 15:48, Christophe JAILLET
<christophe.jaillet@...adoo.fr> wrote:
>
> The wrappers in include/linux/pci-dma-compat.h should go away.
>
> The patch has been generated with the coccinelle script below.
>
> It has been compile tested.
>
>
> @@
> @@
> - PCI_DMA_BIDIRECTIONAL
> + DMA_BIDIRECTIONAL
>
> @@
> @@
> - PCI_DMA_TODEVICE
> + DMA_TO_DEVICE
>
> @@
> @@
> - PCI_DMA_FROMDEVICE
> + DMA_FROM_DEVICE
>
> @@
> @@
> - PCI_DMA_NONE
> + DMA_NONE
>
> @@
> expression e1, e2, e3;
> @@
> - pci_alloc_consistent(e1, e2, e3)
> + dma_alloc_coherent(&e1->dev, e2, e3, GFP_)
>
> @@
> expression e1, e2, e3;
> @@
> - pci_zalloc_consistent(e1, e2, e3)
> + dma_alloc_coherent(&e1->dev, e2, e3, GFP_)
>
> @@
> expression e1, e2, e3, e4;
> @@
> - pci_free_consistent(e1, e2, e3, e4)
> + dma_free_coherent(&e1->dev, e2, e3, e4)
>
> @@
> expression e1, e2, e3, e4;
> @@
> - pci_map_single(e1, e2, e3, e4)
> + dma_map_single(&e1->dev, e2, e3, e4)
>
> @@
> expression e1, e2, e3, e4;
> @@
> - pci_unmap_single(e1, e2, e3, e4)
> + dma_unmap_single(&e1->dev, e2, e3, e4)
>
> @@
> expression e1, e2, e3, e4, e5;
> @@
> - pci_map_page(e1, e2, e3, e4, e5)
> + dma_map_page(&e1->dev, e2, e3, e4, e5)
>
> @@
> expression e1, e2, e3, e4;
> @@
> - pci_unmap_page(e1, e2, e3, e4)
> + dma_unmap_page(&e1->dev, e2, e3, e4)
>
> @@
> expression e1, e2, e3, e4;
> @@
> - pci_map_sg(e1, e2, e3, e4)
> + dma_map_sg(&e1->dev, e2, e3, e4)
>
> @@
> expression e1, e2, e3, e4;
> @@
> - pci_unmap_sg(e1, e2, e3, e4)
> + dma_unmap_sg(&e1->dev, e2, e3, e4)
>
> @@
> expression e1, e2, e3, e4;
> @@
> - pci_dma_sync_single_for_cpu(e1, e2, e3, e4)
> + dma_sync_single_for_cpu(&e1->dev, e2, e3, e4)
>
> @@
> expression e1, e2, e3, e4;
> @@
> - pci_dma_sync_single_for_device(e1, e2, e3, e4)
> + dma_sync_single_for_device(&e1->dev, e2, e3, e4)
>
> @@
> expression e1, e2, e3, e4;
> @@
> - pci_dma_sync_sg_for_cpu(e1, e2, e3, e4)
> + dma_sync_sg_for_cpu(&e1->dev, e2, e3, e4)
>
> @@
> expression e1, e2, e3, e4;
> @@
> - pci_dma_sync_sg_for_device(e1, e2, e3, e4)
> + dma_sync_sg_for_device(&e1->dev, e2, e3, e4)
>
> @@
> expression e1, e2;
> @@
> - pci_dma_mapping_error(e1, e2)
> + dma_mapping_error(&e1->dev, e2)
>
> @@
> expression e1, e2;
> @@
> - pci_set_dma_mask(e1, e2)
> + dma_set_mask(&e1->dev, e2)
>
> @@
> expression e1, e2;
> @@
> - pci_set_consistent_dma_mask(e1, e2)
> + dma_set_coherent_mask(&e1->dev, e2)
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Applied for next, thanks!
Kind regards
Uffe
> ---
> If needed, see post from Christoph Hellwig on the kernel-janitors ML:
> https://marc.info/?l=kernel-janitors&m=158745678307186&w=4
> ---
> drivers/mmc/host/tifm_sd.c | 16 ++++++++--------
> drivers/mmc/host/via-sdmmc.c | 4 ++--
> 2 files changed, 10 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/mmc/host/tifm_sd.c b/drivers/mmc/host/tifm_sd.c
> index 9fdf7ea06e3f..63917070b1a7 100644
> --- a/drivers/mmc/host/tifm_sd.c
> +++ b/drivers/mmc/host/tifm_sd.c
> @@ -669,8 +669,8 @@ static void tifm_sd_request(struct mmc_host *mmc, struct mmc_request *mrq)
>
> if(1 != tifm_map_sg(sock, &host->bounce_buf, 1,
> r_data->flags & MMC_DATA_WRITE
> - ? PCI_DMA_TODEVICE
> - : PCI_DMA_FROMDEVICE)) {
> + ? DMA_TO_DEVICE
> + : DMA_FROM_DEVICE)) {
> pr_err("%s : scatterlist map failed\n",
> dev_name(&sock->dev));
> mrq->cmd->error = -ENOMEM;
> @@ -680,15 +680,15 @@ static void tifm_sd_request(struct mmc_host *mmc, struct mmc_request *mrq)
> r_data->sg_len,
> r_data->flags
> & MMC_DATA_WRITE
> - ? PCI_DMA_TODEVICE
> - : PCI_DMA_FROMDEVICE);
> + ? DMA_TO_DEVICE
> + : DMA_FROM_DEVICE);
> if (host->sg_len < 1) {
> pr_err("%s : scatterlist map failed\n",
> dev_name(&sock->dev));
> tifm_unmap_sg(sock, &host->bounce_buf, 1,
> r_data->flags & MMC_DATA_WRITE
> - ? PCI_DMA_TODEVICE
> - : PCI_DMA_FROMDEVICE);
> + ? DMA_TO_DEVICE
> + : DMA_FROM_DEVICE);
> mrq->cmd->error = -ENOMEM;
> goto err_out;
> }
> @@ -762,10 +762,10 @@ static void tifm_sd_end_cmd(struct tasklet_struct *t)
> } else {
> tifm_unmap_sg(sock, &host->bounce_buf, 1,
> (r_data->flags & MMC_DATA_WRITE)
> - ? PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE);
> + ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
> tifm_unmap_sg(sock, r_data->sg, r_data->sg_len,
> (r_data->flags & MMC_DATA_WRITE)
> - ? PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE);
> + ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
> }
>
> r_data->bytes_xfered = r_data->blocks
> diff --git a/drivers/mmc/host/via-sdmmc.c b/drivers/mmc/host/via-sdmmc.c
> index c32df5530b94..88662a90ed96 100644
> --- a/drivers/mmc/host/via-sdmmc.c
> +++ b/drivers/mmc/host/via-sdmmc.c
> @@ -491,7 +491,7 @@ static void via_sdc_preparedata(struct via_crdr_mmc_host *host,
>
> count = dma_map_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
> ((data->flags & MMC_DATA_READ) ?
> - PCI_DMA_FROMDEVICE : PCI_DMA_TODEVICE));
> + DMA_FROM_DEVICE : DMA_TO_DEVICE));
> BUG_ON(count != 1);
>
> via_set_ddma(host, sg_dma_address(data->sg), sg_dma_len(data->sg),
> @@ -638,7 +638,7 @@ static void via_sdc_finish_data(struct via_crdr_mmc_host *host)
>
> dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
> ((data->flags & MMC_DATA_READ) ?
> - PCI_DMA_FROMDEVICE : PCI_DMA_TODEVICE));
> + DMA_FROM_DEVICE : DMA_TO_DEVICE));
>
> if (data->stop)
> via_sdc_send_command(host, data->stop);
> --
> 2.30.2
>
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