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From: Jakub Kicinski <>
To: Steen Hegelund <>
Cc: "David S. Miller" <>,
	<>, <>,
	Alexandre Belloni <>
Subject: Re: [PATCH net-next 1/2] net: sparx5: switchdev: adding frame DMA functionality
Date: Wed, 11 Aug 2021 15:31:32 -0700	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Wed, 11 Aug 2021 09:59:08 +0200 Steen Hegelund wrote:
> This add frame DMA functionality to the Sparx5 platform.
> Ethernet frames can be extracted or injected autonomously to or from the
> device’s DDR3/DDR3L memory and/or PCIe memory space. Linked list data
> structures in memory are used for injecting or extracting Ethernet frames.
> The FDMA generates interrupts when frame extraction or injection is done
> and when the linked lists need updating.

Something to fix:

drivers/net/ethernet/microchip/sparx5/sparx5_fdma.c: In function ‘sparx5_fdma_start’:
drivers/net/ethernet/microchip/sparx5/sparx5_fdma.c:544:6: warning: variable ‘proc_ctrl’ set but not used [-Wunused-but-set-variable]
  544 |  u32 proc_ctrl;
      |      ^~~~~~~~~

  reply	other threads:[~2021-08-11 22:31 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-11  7:59 [PATCH net-next 0/2] Adding Frame DMA functionality to Sparx5 Steen Hegelund
2021-08-11  7:59 ` [PATCH net-next 1/2] net: sparx5: switchdev: adding frame DMA functionality Steen Hegelund
2021-08-11 22:31   ` Jakub Kicinski [this message]
2021-08-12  7:04     ` Steen Hegelund
2021-08-11  7:59 ` [PATCH net-next 2/2] arm64: dts: sparx5: Add the Sparx5 switch frame DMA support Steen Hegelund

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