From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vignesh Raghavendra Subject: [PATCH 0/2] spi: spi-omap2-mcspi: Add DMA support for AM65x Date: Tue, 4 Feb 2020 18:18:14 +0530 Message-ID: <20200204124816.16735-1-vigneshr@ti.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 8bit Cc: Vignesh Raghavendra , , , To: Mark Brown Return-path: Sender: linux-spi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: This patch series adds DMA support for McSPI on AM65x. First patch addresses a limitationn on AM65x where transfers have to be <4K per DMA request and second patch handles possible EPROBE_DEFER when requesting DMA channels Vignesh Raghavendra (2): spi: spi-omap2-mcspi: Handle DMA size restriction on AM65x spi: spi-omap2-mcspi: Support probe deferral for DMA channels drivers/spi/spi-omap2-mcspi.c | 103 +++++++++++------- include/linux/platform_data/spi-omap2-mcspi.h | 1 + 2 files changed, 65 insertions(+), 39 deletions(-) -- 2.25.0