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23 October 2021, 00:29:24 UTC
Revision 907bd68a2edc491849e2fdcfe52c4596627bca94 authored by Dirk Behme on 12 April 2019, 05:29:13 UTC, committed by Vinod Koul on 23 April 2019, 05:15:26 UTC 
dmaengine: sh: rcar-dmac: With cyclic DMA residue 0 is valid
 
Having a cyclic DMA, a residue 0 is not an indication of a completed
DMA. In case of cyclic DMA make sure that dma_set_residue() is called
and with this a residue of 0 is forwarded correctly to the caller.

Fixes: 3544d2878817 ("dmaengine: rcar-dmac: use result of updated get_residue in tx_status")
Signed-off-by: Dirk Behme <dirk.behme@de.bosch.com>
Signed-off-by: Achim Dahlhoff <Achim.Dahlhoff@de.bosch.com>
Signed-off-by: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com>
Signed-off-by: Yao Lihua <ylhuajnu@outlook.com>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: <stable@vger.kernel.org> # v4.8+
Signed-off-by: Vinod Koul <vkoul@kernel.org>
1 parent f147384
Raw File
Tip revision: 907bd68a2edc491849e2fdcfe52c4596627bca94 authored by Dirk Behme on 12 April 2019, 05:29:13 UTC
dmaengine: sh: rcar-dmac: With cyclic DMA residue 0 is valid
Tip revision: 907bd68
Kconfig 
# SPDX-License-Identifier: GPL-2.0
#
# For a description of the syntax of this configuration file,
# see Documentation/kbuild/kconfig-language.txt.
#
mainmenu "Linux/$(ARCH) $(KERNELVERSION) Kernel Configuration"

comment "Compiler: $(CC_VERSION_TEXT)"

source "scripts/Kconfig.include"

source "init/Kconfig"

source "kernel/Kconfig.freezer"

source "fs/Kconfig.binfmt"

source "mm/Kconfig"

source "net/Kconfig"

source "drivers/Kconfig"

source "fs/Kconfig"

source "security/Kconfig"

source "crypto/Kconfig"

source "lib/Kconfig"

source "lib/Kconfig.debug"
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