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Message-ID: <20240206034118.748801-1-thangaraj.s@microchip.com>
Date: Tue, 6 Feb 2024 09:11:15 +0530
From: Thangaraj Samynathan <thangaraj.s@...rochip.com>
To: <broonie@...nel.org>, <linux-spi@...r.kernel.org>,
<linux-kernel@...r.kernel.org>
CC: <UNGLinuxDriver@...rochip.com>, <kumaravel.thiagarajan@...rochip.com>,
<tharunkumar.pasumarthi@...rochip.com>
Subject: [PATCH v2 SPI for-next 0/3] DMA Support for SPI in PCI1xxxx
This series of patch is to add DMA Support that improves SPI Performance
in PCI1xxxx. With DMA Support in 20MHz clock, the performance is
improved from 6Mbps to 17Mbps.
v2:
-Added can_dma operation, so that the core can do all DMA mapping and
switch between DMA and PIO operation by itself.
-Added error messages for syslock acquire failure and DMA mask set
failures.
v1:
-Initial Submission
Thangaraj Samynathan (3):
spi: mchp-pci1xxxx: Add support for DMA in SPI
spi: mchp-pci1xxxx: DMA Read support for copying data into SPI Buf
spi: mchp-pci1xxxx: DMA Write Support for copying data from SPI Buf
drivers/spi/spi-pci1xxxx.c | 510 +++++++++++++++++++++++++++++++++++--
1 file changed, 483 insertions(+), 27 deletions(-)
--
2.25.1
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