linux-kernel - [PATCH 0/7] mtd: rawnand: Convert drivers to use dma_request

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Message-ID: <20200227123749.24064-1-peter.ujfalusi@ti.com>
Date:   Thu, 27 Feb 2020 14:37:42 +0200
From:   Peter Ujfalusi <peter.ujfalusi@...com>
To:     <vigneshr@...com>, <miquel.raynal@...tlin.com>, <han.xu@....com>,
        <richard@....at>, <mripard@...nel.org>, <wens@...e.org>,
        <mcoquelin.stm32@...il.com>, <alexandre.torgue@...com>
CC:     <linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <vkoul@...nel.org>
Subject: [PATCH 0/7] mtd: rawnand: Convert drivers to use dma_request_chan()

Hi,

With dma_request_chan() drivers can know why the channel request failed and
depending on how they are implemented can handle the failure in a best effort,
either deferring or falling back to PIO mode.

Regards,
Peter
---
Peter Ujfalusi (7):
  mtd: rawnand: gpmi: Use dma_request_chan() instead
    dma_request_slave_channel()
  mtd: rawnand: marvell: Release DMA channel on error
  mtd: rawnand: marvell: Use dma_request_chan() instead
    dma_request_slave_channel()
  mtd: rawnand: sunxi: Use dma_request_chan() instead
    dma_request_slave_channel()
  mtd: rawnand: qcom: Release resources on failure within
    qcom_nandc_alloc()
  mtd: rawnand: qcom: Use dma_request_chan() instead
    dma_request_slave_channel()
  mtd: rawnand: stm32_fmc2: Use dma_request_chan() instead
    dma_request_slave_channel()

 drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c |  21 +++--
 drivers/mtd/nand/raw/marvell_nand.c        |  38 +++++---
 drivers/mtd/nand/raw/qcom_nandc.c          | 105 +++++++++++++--------
 drivers/mtd/nand/raw/stm32_fmc2_nand.c     |  44 +++++++--
 drivers/mtd/nand/raw/sunxi_nand.c          |  15 ++-
 5 files changed, 149 insertions(+), 74 deletions(-)

-- 
Peter

Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
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