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From: Kees Cook <keescook@chromium.org>
To: conleylee@foxmail.com
Cc: davem@davemloft.net, kuba@kernel.org, mripard@kernel.org,
	wens@csie.org, netdev@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6] sun4i-emac.c: add dma support
Date: Fri, 7 Jan 2022 15:34:18 -0800	[thread overview]
Message-ID: <202201071532.57A08030@keescook> (raw)
In-Reply-To: <tencent_DE05ADA53D5B084D4605BE6CB11E49EF7408@qq.com>

On Wed, Dec 29, 2021 at 09:43:51AM +0800, conleylee@foxmail.com wrote:
> From: Conley Lee <conleylee@foxmail.com>
>
> Thanks for your review. Here is the new version for this patch.
>
> This patch adds support for the emac rx dma present on sun4i. The emac
> is able to move packets from rx fifo to RAM by using dma.
>
> Change since v4.
>   - rename sbk field to skb
>   - rename alloc_emac_dma_req to emac_alloc_dma_req
>   - using kzalloc(..., GPF_ATOMIC) in interrupt context to avoid
>     sleeping
>   - retry by using emac_inblk_32bit when emac_dma_inblk_32bit fails
>   - fix some code style issues
>
> Change since v5.
>   - fix some code style issue
>
> Signed-off-by: Conley Lee <conleylee@foxmail.com>
> ---
>  drivers/net/ethernet/allwinner/sun4i-emac.c | 200 ++++++++++++++++++++
>  1 file changed, 200 insertions(+)

This is causing build failures:

$ make CROSS_COMPILE=aarch64-linux-gnu- ARCH=arm64 allmodconfig
$ make CROSS_COMPILE=aarch64-linux-gnu- ARCH=arm64 -j... -k -s
drivers/net/ethernet/allwinner/sun4i-emac.c: In function 'emac_configure_dma':
drivers/net/ethernet/allwinner/sun4i-emac.c:922:60: error: format '%x' expects argument of type 'unsigned int', but argument 3 has type 'resource_size_t' {aka 'long long unsigned int'} [-Werror=format=]
  922 |         netdev_info(ndev, "get io resource from device: 0x%x, size = %u\n",
      |                                                           ~^
      |                                                            |                                      |                                                            unsigned int
      |                                                           %llx
  923 |                     regs->start, resource_size(regs));
      |                     ~~~~~~~~~~~
      |                         |
      |                         resource_size_t {aka long long unsigned int}
drivers/net/ethernet/allwinner/sun4i-emac.c:922:71: error: format '%u' expects argument of type 'unsigned int', but argument 4 has type 'resource_size_t' {aka 'long long unsigned int'} [-Werror=format=]
  922 |         netdev_info(ndev, "get io resource from device: 0x%x, size = %u\n",
      |                                                                      ~^
      |                                                                       |
      |                                                                       unsigned int
      |                                                                      %llu
  923 |                     regs->start, resource_size(regs));
      |                                  ~~~~~~~~~~~~~~~~~~~
      |                                  |
      |                                  resource_size_t {aka long long unsigned int}


--
Kees Cook

  parent reply	other threads:[~2022-01-07 23:34 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <tencent_95A0609A0DC523F7DDAE60A8746EABAA8905@qq.com>
     [not found] ` <tencent_A7052D6C7B1E2AEFA505D7A52E5B974D8508@qq.com>
2021-12-29  0:48   ` [PATCH v5] sun4i-emac.c: add dma support Jakub Kicinski
2021-12-29  1:43     ` [PATCH v6] " conleylee
2021-12-30  2:00       ` patchwork-bot+netdevbpf
2022-05-30  4:51         ` Corentin Labbe
2022-05-30 18:48           ` Jakub Kicinski
2022-05-30 18:55             ` Corentin Labbe
2021-12-31 10:43       ` Corentin Labbe
     [not found]         ` <tencent_57960DDC83F43DA3E0A2F47DEBAD69A4A005@qq.com>
2022-01-02 17:38           ` Corentin Labbe
     [not found]             ` <tencent_67023336008FE777A58293D2D32DEFA69107@qq.com>
2022-01-03 11:42               ` Corentin Labbe
2022-01-03 12:21                 ` Conley Lee
     [not found]                 ` <tencent_E4BA4D6105A46CCC1E8AEF48057EA5FE5B08@qq.com>
2022-01-09 20:45                   ` [PATCH v1] sun4i-emac.c: enable emac tx dma Corentin Labbe
2022-01-10  7:47                     ` Conley Lee
2022-01-07 23:34       ` Kees Cook [this message]
2022-01-08  2:34         ` [PATCH v6] sun4i-emac.c: add dma support Jakub Kicinski

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