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[0/2] spi: stm32-qspi: add dma support

Message ID 1553265354-16433-1-git-send-email-ludovic.Barre@st.com (mailing list archive)
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Series spi: stm32-qspi: add dma support | expand

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Ludovic BARRE March 22, 2019, 2:35 p.m. UTC 
From: Ludovic Barre <ludovic.barre@st.com>

This patch series adds dma support for the stm32-qspi.
In read mode, the memory map is preferred vs dma
(due to better throughput). If the dma transfer fails the buffer is
sent by polling.

Ludovic Barre (2):
  spi: stm32-qspi: add spi_master_put in release function
  spi: stm32-qspi: add dma support

 drivers/spi/spi-stm32-qspi.c | 182 ++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 163 insertions(+), 19 deletions(-)