linux-kernel - Re: [PATCH RESEND v4 0/6] dmaengine: dw: Fix src/dst addr width misconfig

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Message-Id: <172287945675.489034.12734066497571580143.b4-ty@kernel.org>
Date: Mon, 05 Aug 2024 23:07:36 +0530
From: Vinod Koul <vkoul@...nel.org>
To: Viresh Kumar <vireshk@...nel.org>, 
 Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, 
 Andy Shevchenko <andy@...nel.org>, Serge Semin <fancer.lancer@...il.com>
Cc: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Jiri Slaby <jirislaby@...nel.org>, dmaengine@...r.kernel.org, 
 linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RESEND v4 0/6] dmaengine: dw: Fix src/dst addr width
 misconfig


On Fri, 02 Aug 2024 10:50:45 +0300, Serge Semin wrote:
> The main goal of this series is to fix the data disappearance in case of
> the DW UART handled by the DW AHB DMA engine. The problem happens on a
> portion of the data received when the pre-initialized DEV_TO_MEM
> DMA-transfer is paused and then disabled. The data just hangs up in the
> DMA-engine FIFO and isn't flushed out to the memory on the DMA-channel
> suspension (see the second commit log for details). On a way to find the
> denoted problem fix it was discovered that the driver doesn't verify the
> peripheral device address width specified by a client driver, which in its
> turn if unsupported or undefined value passed may cause DMA-transfer being
> misconfigured. It's fixed in the first patch of the series.
> 
> [...]

Applied, thanks!

[1/6] dmaengine: dw: Add peripheral bus width verification
      commit: b336268dde75cb09bd795cb24893d52152a9191f
[2/6] dmaengine: dw: Add memory bus width verification
      commit: d04b21bfa1c50a2ade4816cab6fdc91827b346b1
[3/6] dmaengine: dw: Simplify prepare CTL_LO methods
      commit: 1fd6fe89055e6dbb4be8f16b8dcab8602e3603d6
[4/6] dmaengine: dw: Define encode_maxburst() above prepare_ctllo() callbacks
      commit: 3acb301d33749a8974e61ecda16a5f5441fc9628
[5/6] dmaengine: dw: Simplify max-burst calculation procedure
      commit: d8fa0802f63502c0409d02c6b701d51841a6f1bd
[6/6] dmaengine: dw: Unify ret-val local variables naming
      commit: 2ebc36b9581df31eed271e5de61fc8a8b66dbc56

Best regards,
-- 
Vinod Koul <vkoul@...nel.org>