From: Kalle Valo <kvalo@codeaurora.org>
To: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: amitkarwar@gmail.com, ganapathi.bhat@nxp.com,
huxinming820@gmail.com, davem@davemloft.net, kuba@kernel.org,
linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org,
Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Subject: Re: [PATCH] mwifiex: switch from 'pci_' to 'dma_' API
Date: Thu, 27 Aug 2020 09:58:43 +0000 (UTC) [thread overview]
Message-ID: <20200827095843.C1548C4339C@smtp.codeaurora.org> (raw)
In-Reply-To: <20200819070152.111522-1-christophe.jaillet@wanadoo.fr>
Christophe JAILLET <christophe.jaillet@wanadoo.fr> wrote:
> The wrappers in include/linux/pci-dma-compat.h should go away.
>
> The patch has been generated with the coccinelle script below and has been
> hand modified to replace GFP_ with a correct flag.
> It has been compile tested.
>
> When memory is allocated in 'mwifiex_pcie_alloc_buffers()' (see details in
> the call chain below) GFP_KERNEL can be used because both
> 'mwifiex_register()' and 'mwifiex_reinit_sw()' already use GFP_KERNEL.
> (for 'mwifiex_reinit_sw()', it is hidden in a call to 'alloc_workqueue()')
>
> The call chain is:
> mwifiex_register
> --> mwifiex_init_pcie (.init_if function, see mwifiex_if_ops)
> [ or ]
> mwifiex_reinit_sw
> -->mwifiex_pcie_up_dev (.up_dev function, see mwifiex_if_ops)
>
> [ then in both case ]
> -->mwifiex_pcie_alloc_buffers
> --> mwifiex_pcie_create_txbd_ring
> --> mwifiex_pcie_create_rxbd_ring
> --> mwifiex_pcie_create_evtbd_ring
> --> mwifiex_pcie_alloc_sleep_cookie_buf
>
> @@
> @@
> - 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@wanadoo.fr>
Patch applied to wireless-drivers-next.git, thanks.
4cf975f640fe mwifiex: switch from 'pci_' to 'dma_' API
--
https://patchwork.kernel.org/patch/11722857/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
prev parent reply other threads:[~2020-08-27 9:58 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-19 7:01 [PATCH] mwifiex: switch from 'pci_' to 'dma_' API Christophe JAILLET
2020-08-27 9:58 ` Kalle Valo [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200827095843.C1548C4339C@smtp.codeaurora.org \
--to=kvalo@codeaurora.org \
--cc=amitkarwar@gmail.com \
--cc=christophe.jaillet@wanadoo.fr \
--cc=davem@davemloft.net \
--cc=ganapathi.bhat@nxp.com \
--cc=huxinming820@gmail.com \
--cc=kernel-janitors@vger.kernel.org \
--cc=kuba@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-wireless@vger.kernel.org \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).