linux-kernel - [PATCH 0/2] spi: aspeed: Improve handling of shared SPI controllers

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Message-ID: <20260115150454.1575970-1-chin-ting_kuo@aspeedtech.com>
Date: Thu, 15 Jan 2026 23:04:52 +0800
From: Chin-Ting Kuo <chin-ting_kuo@...eedtech.com>
To: <clg@...d.org>, <broonie@...nel.org>, <boris.brezillon@...tlin.com>,
	<joel@....id.au>, <andrew@...econstruct.com.au>,
	<linux-aspeed@...ts.ozlabs.org>, <openbmc@...ts.ozlabs.org>,
	<linux-spi@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <BMC-SW@...eedtech.com>
Subject: [PATCH 0/2] spi: aspeed: Improve handling of shared SPI controllers

This patch series improves handling of SPI controllers that are
shared by spi-mem devices and other SPI peripherals.

The primary goal of this series is to support non-spi-mem devices in
the ASPEED FMC/SPI controller driver. It also addresses an issue in
the spi-mem framework observed when different types of SPI devices
operate concurrently on the same controller, ensuring that spi-mem
operations are properly serialized.

Chin-Ting Kuo (2):
  spi: spi-mem: Protect dirmap_create() with spi_mem_access_start/end
  spi: aspeed: Add support for non-spi-mem devices

 drivers/spi/spi-aspeed-smc.c | 121 +++++++++++++++++++++++++++++++++--
 drivers/spi/spi-mem.c        |  11 +++-
 2 files changed, 125 insertions(+), 7 deletions(-)

-- 
2.34.1