linux-kernel - [PATCH 0/5] spi: zynqmp-gqspi: Improve error recovery by resetting

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Message-Id: <20250116225521.2688224-1-sean.anderson@linux.dev>
Date: Thu, 16 Jan 2025 17:55:16 -0500
From: Sean Anderson <sean.anderson@...ux.dev>
To: Mark Brown <broonie@...nel.org>,
	Michal Simek <michal.simek@....com>,
	linux-spi@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
	Jinjie Ruan <ruanjinjie@...wei.com>,
	linux-arm-kernel@...ts.infradead.org,
	Amit Kumar Mahapatra <amit.kumar-mahapatra@....com>,
	Miquel Raynal <miquel.raynal@...tlin.com>,
	Sean Anderson <sean.anderson@...ux.dev>,
	Conor Dooley <conor+dt@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Rob Herring <robh@...nel.org>,
	devicetree@...r.kernel.org
Subject: [PATCH 0/5] spi: zynqmp-gqspi: Improve error recovery by resetting

This series adds support for resetting the QSPI controller if we have a
timeout. I find this greatly improves the stability of the device, which
would tend to break after any timeout.


Sean Anderson (5):
  dt-bindings: spi: zynqmp-qspi: Add reset
  spi: zynqmp-gqspi: Reset device in probe
  spi: zynqmp-gqspi: Abort operations on timeout
  spi: zynqmp-gqspi: Allow interrupting operations
  ARM64: xilinx: zynqmp: Add QSPI reset

 .../bindings/spi/spi-zynqmp-qspi.yaml         |  6 ++
 arch/arm64/boot/dts/xilinx/zynqmp.dtsi        |  1 +
 drivers/spi/spi-zynqmp-gqspi.c                | 64 +++++++++++++++----
 3 files changed, 59 insertions(+), 12 deletions(-)

-- 
2.35.1.1320.gc452695387.dirty