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Message-Id: <1497949857-1852-1-git-send-email-varada@codeaurora.org>
Date: Tue, 20 Jun 2017 14:40:42 +0530
From: Varadarajan Narayanan <varada@...eaurora.org>
To: broonie@...nel.org, robh+dt@...nel.org, mark.rutland@....com,
andy.gross@...aro.org, david.brown@...aro.org,
linux-spi@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
linux-soc@...r.kernel.org
Cc: Varadarajan Narayanan <varada@...eaurora.org>
Subject: [PATCH v3 00/15] spi: qup: Fixes and add support for >64k transfers
v3:
Fix git bisect-ability issues in
spi: qup: Add completion structures for DMA
spi: qup: Add completion timeout
spi: qup: Place the QUP in run mode before DMA
spi: qup: Fix transaction done signaling
v2:
Incorporate feedback from Andy Gross, Sricharan, Stanimir Varbanov
Modified the QUP-v1 dma completion sequence to QUP-v2 as per feedback.
Removed code that used controller->xfer to identify extra interrupts,
since with the fixes done to handle i/o completion we don't see
extra interrupts.
v1:
This series fixes some existing issues in the code for both
interrupt and dma mode. Patches 1 - 11 are the fixes.
Random failures/timeout are observed without these fixes.
Also, the current driver does not support block transfers > 64K
and the driver quietly fails. Patches 12 - 18 add support for this
in both interrupt and dma mode.
The entire series has been tested on ipq4019 with
SPI-NOR flash for block sizes > 64k.
Varadarajan Narayanan (15):
spi: qup: Enable chip select support
spi: qup: Setup DMA mode correctly
spi: qup: Add completion structures for DMA
spi: qup: Add completion timeout
spi: qup: Place the QUP in run mode before DMA
spi: qup: Fix error handling in spi_qup_prep_sg
spi: qup: Fix transaction done signaling
spi: qup: Do block sized read/write in block mode
spi: qup: refactor spi_qup_io_config into two functions
spi: qup: call io_config in mode specific function
spi: qup: allow block mode to generate multiple transactions
spi: qup: refactor spi_qup_prep_sg
spi: qup: allow multiple DMA transactions per spi xfer
spi: qup: Ensure done detection
spi: qup: support for qup v1 dma
.../devicetree/bindings/spi/qcom,spi-qup.txt | 6 +
drivers/spi/spi-qup.c | 630 ++++++++++++++-------
2 files changed, 441 insertions(+), 195 deletions(-)
--
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