linux-kernel - [PATCH v2 0/3] spi: spi_amd: Add DMA write and Kconfig changes

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Message-ID: <20250516100658.585654-1-Raju.Rangoju@amd.com>
Date: Fri, 16 May 2025 15:36:55 +0530
From: Raju Rangoju <Raju.Rangoju@....com>
To: <broonie@...nel.org>
CC: <linux-spi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<krishnamoorthi.m@....com>, <akshata.mukundshetty@....com>, Raju Rangoju
	<Raju.Rangoju@....com>
Subject: [PATCH v2 0/3] spi: spi_amd: Add DMA write and Kconfig changes

This series include following changes to spi_amd driver:
- Changes to replace read{q,b} functions with direct memory copy logic on
  DMA buffer.
- Support for HID2 DMA single mode basic write operation for the HID2
  SPI controller.
- Changes to add missing Kconfig dependencies.

v1->v2:
-------
- Add a new patch to replace read{q,b} functions on DMA buffer.
- Address the review comments by replacing write{q,b} functions
  with manual data copy on DMA buffer.
- Add a new patch to address missing Kconfig dependencies.

Raju Rangoju (3):
  spi: spi_amd: Remove read{q,b} usage on DMA buffer
  spi: spi_amd: Add HIDDMA basic write support
  spi: spi_amd: Update Kconfig dependencies

 drivers/spi/Kconfig   |   3 +-
 drivers/spi/spi-amd.c | 151 ++++++++++++++++++++++++++++++++++--------
 2 files changed, 125 insertions(+), 29 deletions(-)

-- 
2.34.1