AuxXxilium/linux_dsm_epyc7002
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cf24aac386
linux_dsm_epyc7002/drivers/dma
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Yoshihiro Shimoda cf24aac386 dmaengine: rcar-dmac: Fix DMACHCLR handling if iommu is mapped 
The commit 20c169aceb ("dmaengine: rcar-dmac: clear pertinence
number of channels") forgets to clear the last channel by
DMACHCLR in rcar_dmac_init() (and doesn't need to clear the first
channel) if iommu is mapped to the device. So, this patch fixes it
by using "channels_mask" bitfield.

Note that the hardware and driver don't support more than 32 bits
in DMACHCLR register anyway, so this patch should reject more than
32 channels in rcar_dmac_parse_of().

Fixes: 20c169aceb ("dmaengine: rcar-dmac: clear pertinence number of channels")
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/1567424643-26629-1-git-send-email-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2019-09-04 11:35:58 +05:30
..
bestcomm treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
dw dmaengine: dw: Enable iDMA 32-bit on Intel Elkhart Lake 2019-06-25 10:03:33 +05:30
dw-axi-dmac dmaengine fixes for v5.2-rc4 2019-06-08 12:46:31 -07:00
dw-edma dmaengine: dw-edma: fix endianess confusion 2019-07-22 20:58:15 +05:30
hsu dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
ioat treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 291 2019-06-05 17:36:38 +02:00
ipu treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
mediatek dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
ppc4xx treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 7 2019-05-21 11:28:40 +02:00
qcom dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
sh dmaengine: rcar-dmac: Fix DMACHCLR handling if iommu is mapped 2019-09-04 11:35:58 +05:30
ti dmaengine: ti: omap-dma: Add cleanup in omap_dma_probe() 2019-08-20 17:16:17 +05:30
xilinx dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
acpi-dma.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
altera-msgdma.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
amba-pl08x.c dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
at_hdmac_regs.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
at_hdmac.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
at_xdmac.c dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
bcm2835-dma.c dmaengine updates for v5.2-rc1 2019-05-09 08:51:45 -07:00
bcm-sba-raid.c dmaengine: bcm-sba-raid: no need to check return value of debugfs_create functions 2019-06-14 11:14:58 +05:30
coh901318_lli.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194 2019-05-30 11:29:22 -07:00
coh901318.c dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
coh901318.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194 2019-05-30 11:29:22 -07:00
dma-axi-dmac.c dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
dma-jz4740.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
dma-jz4780.c dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
dmaengine.c dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
dmaengine.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
dmatest.c dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
ep93xx_dma.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
fsl_raid.c dmaengine: fsl_raid: make of_device_ids const. 2017-06-29 09:25:28 +05:30
fsl_raid.h dmaengine: Driver support for FSL RaidEngine device. 2015-04-02 16:10:27 +05:30
fsl-edma-common.c dmaengine: Revert "dmaengine: fsl-edma: add i.mx7ulp edma2 version support" 2019-07-08 09:44:45 +05:30
fsl-edma-common.h dmaengine: Revert "dmaengine: fsl-edma: add i.mx7ulp edma2 version support" 2019-07-08 09:44:45 +05:30
fsl-edma.c dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
fsl-qdma.c dmaengine: fsl-qdma: Continue to clear register on error 2019-06-04 17:35:05 +05:30
fsldma.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 40 2019-05-24 17:27:12 +02:00
fsldma.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 40 2019-05-24 17:27:12 +02:00
idma64.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
idma64.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
img-mdc-dma.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 422 2019-06-05 17:37:15 +02:00
imx-dma.c dmaengine updates for v5.1-rc1 2019-03-14 09:11:54 -07:00
imx-sdma.c dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
iop-adma.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
k3dma.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
Kconfig dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
lpc18xx-dmamux.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
Makefile dmaengine: Add Synopsys eDMA IP core driver 2019-06-10 13:10:39 +05:30
mcf-edma.c dmaengine: fsl-edma: add drvdata for fsl-edma 2019-07-03 13:28:22 +05:30
mic_x100_dma.c dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
mic_x100_dma.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 290 2019-06-05 17:36:38 +02:00
mmp_pdma.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
mmp_tdma.c dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
moxart-dma.c treewide: Use struct_size() for kmalloc()-family 2018-06-06 11:15:43 -07:00
mpc512x_dma.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 7 2019-05-21 11:28:40 +02:00
mv_xor_v2.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 24 2019-05-21 11:52:39 +02:00
mv_xor.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
mv_xor.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
mxs-dma.c dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
nbpfaxi.c dmaengine: nbpfaxi: Use dev_get_drvdata() 2019-04-29 10:47:15 +05:30
of-dma.c dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
owl-dma.c dmaengine: owl: Fix warnings generated during build 2018-10-15 22:39:16 +05:30
pch_dma.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
pl330.c dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
pxa_dma.c dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
s3c24xx-dma.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sa11x0-dma.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
sirf-dma.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 4 2019-05-21 11:28:40 +02:00
sprd-dma.c dmaengine: sprd: Fix the DMA link-list configuration 2019-09-04 11:25:38 +05:30
st_fdma.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
st_fdma.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
ste_dma40_ll.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194 2019-05-30 11:29:22 -07:00
ste_dma40_ll.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194 2019-05-30 11:29:22 -07:00
ste_dma40.c dmaengine: ste_dma40: fix unneeded variable warning 2019-07-22 20:58:33 +05:30
stm32-dma.c dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
stm32-dmamux.c dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
stm32-mdma.c dmaengine: stm32-mdma: Fix a possible null-pointer dereference in stm32_mdma_irq_handler() 2019-08-08 19:03:49 +05:30
sun4i-dma.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sun6i-dma.c dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
tegra20-apb-dma.c dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
tegra210-adma.c dmaengine: tegra210-adma: Fix unused function warnings 2019-07-25 18:29:44 +05:30
timb_dma.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
TODO dmaengine: dw: don't perform DMA when dmaengine_submit is called 2014-07-15 22:14:30 +05:30
txx9dmac.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
txx9dmac.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
uniphier-mdmac.c dmaengine: uniphier-mdmac: add UniPhier MIO DMAC driver 2018-11-24 19:42:59 +05:30
virt-dma.c dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
virt-dma.h dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
xgene-dma.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
zx_dma.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00