kernel.git/drivers/dma/ste_dma40.c, branch linux-5.6.y

dmaengine: ste_dma40: fix unneeded variable warning

2019-07-22T15:28:33Z

clang-9 points out that there are two variables that depending on the configuration may only be used in an ARRAY_SIZE() expression but not referenced: drivers/dma/ste_dma40.c:145:12: error: variable 'd40_backup_regs' is not needed and will not be emitted [-Werror,-Wunneeded-internal-declaration] static u32 d40_backup_regs[] = { ^ drivers/dma/ste_dma40.c:214:12: error: variable 'd40_backup_regs_chan' is not needed and will not be emitted [-Werror,-Wunneeded-internal-declaration] static u32 d40_backup_regs_chan[] = { Mark these __maybe_unused to shut up the warning. Signed-off-by: Arnd Bergmann Reviewed-by: Nathan Chancellor Reviewed-by: Linus Walleij Link: https://lore.kernel.org/r/20190712091357.744515-1-arnd@arndb.de Signed-off-by: Vinod Koul

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194

2019-05-30T18:29:22Z

Based on 1 normalized pattern(s): license terms gnu general public license gpl version 2 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 161 file(s). Signed-off-by: Thomas Gleixner Reviewed-by: Allison Randal Reviewed-by: Alexios Zavras Reviewed-by: Steve Winslow Reviewed-by: Richard Fontana Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190528170027.447718015@linutronix.de Signed-off-by: Greg Kroah-Hartman

dmaengine: ste_dma40: remove dma_slave_config direction usage

2018-11-24T14:52:21Z

dma_slave_config direction was marked as deprecated quite some time back, remove the usage from this driver so that the field can be removed Reviewed-by: Linus Walleij Signed-off-by: Vinod Koul

dmaengine: ste_dma40: use dmaenginem_async_device_register to simplify the code

2018-08-29T16:13:17Z

Use dmaenginem_async_device_register to simplify the code: remove dma_async_device_unregister. remove label unregister_slave, unregister_memcpy Signed-off-by: Huang Shijie Acked-by: Linus Walleij Signed-off-by: Vinod Koul

dmaengine: ste_dma40: Remove VLA usage

2018-07-02T12:16:24Z

In the quest to remove all stack VLA usage from the kernel[1], this switches to using a pre-allocated scratch register space, set up with all other other allocations. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com Signed-off-by: Kees Cook Reviewed-by: Arnd Bergmann Signed-off-by: Vinod Koul

dmaengine: ste_dma40: simplify getting .drvdata

2018-04-22T16:07:52Z

We should get drvdata from struct device directly. Going via platform_device is an unneeded step back and forth. Signed-off-by: Wolfram Sang Signed-off-by: Vinod Koul

Merge branch 'topic/dmatest' into for-linus

2017-09-06T16:25:10Z

dmaengine: remove DMA_SG as it is dead code in kernel

2017-08-22T03:52:11Z

There are no in kernel consumers for DMA_SG op. Removing operation, dead code, and test code in dmatest. Signed-off-by: Dave Jiang Reviewed-by: Linus Walleij Cc: Gary Hook Cc: Ludovic Desroches Cc: Kedareswara rao Appana Cc: Li Yang Cc: Michal Simek Signed-off-by: Vinod Koul

dmaengine: ste_dma40: make stedma40_chan_cfg const

2017-08-21T16:26:12Z

Make these const as they are only used during a copy operation. Done using Coccinelle. Signed-off-by: Bhumika Goyal Acked-by: Linus Walleij Signed-off-by: Vinod Koul

dmaengine: ste_dma40: Cleanup scatterlist layering violations

2017-06-01T16:39:12Z

This dma engine driver directly accesses page_link assuming knowledge that should be contained only in scatterlist.h. We replace this access with a call to sg_chain which is equivalent. Signed-off-by: Logan Gunthorpe Signed-off-by: Stephen Bates Acked-by: Linus Walleij Cc: Dan Williams Cc: Vinod Koul Cc: Per Förlin Signed-off-by: Vinod Koul