2018-04-17 17:49:00

by Geert Uytterhoeven

[permalink] [raw]
Subject: [PATCH v3 00/20] Allow compile-testing NO_DMA (drivers)

Hi all,

As of v4.17-rc1, patch series "[PATCH v2 0/5] Allow compile-testing
NO_DMA (core)" (https://lkml.org/lkml/2018/3/16/435) has been included
upstream, and drivers using the DMA API can be compile-tested on
platforms selecting NO_DMA.

This follow-up patch series removes dependencies on HAS_DMA for symbols
that already have platform dependencies implying HAS_DMA, which increases
compile-coverage.

Please apply to your tree if appropriate.

Changes compared to v2:
- Add Acked-by,
- Rebased to v4.17-rc1, dropping applied patch for scsi/hisi_sas,
- Handle new VIDEO_RENESAS_CEU symbol,
- Drop obsolete note about FSL_FMAN.

Changes compared to v1:
- Add Reviewed-by, Acked-by,
- Drop dependency of SND_SOC_LPASS_IPQ806X on HAS_DMA,
- Drop dependency of VIDEOBUF{,2}_DMA_{CONTIG,SG} on HAS_DMA,
- Drop new dependencies of VIDEO_IPU3_CIO2, DVB_C8SECTPFE, and
MTD_NAND_MARVELL on HAS_DMA,
- Split in per-subsystem patches,
- Split-off the core part in a separate series.

This series is against v4.17-rc1. It can also be found at
https://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k.git/log/?h=no-dma-compile-testing-v3

It has been compile-tested with allmodconfig and allyesconfig for
m68k/sun3, and has received attention from the kbuild test robot.

Thanks for applying!

Geert Uytterhoeven (20):
ASoC: Remove depends on HAS_DMA in case of platform dependency
ata: Remove depends on HAS_DMA in case of platform dependency
crypto: Remove depends on HAS_DMA in case of platform dependency
fbdev: Remove depends on HAS_DMA in case of platform dependency
firewire: Remove depends on HAS_DMA in case of platform dependency
fpga: Remove depends on HAS_DMA in case of platform dependency
i2c: Remove depends on HAS_DMA in case of platform dependency
iio: adc: Remove depends on HAS_DMA in case of platform dependency
iommu: Remove depends on HAS_DMA in case of platform dependency
lightnvm: Remove depends on HAS_DMA in case of platform dependency
mailbox: Remove depends on HAS_DMA in case of platform dependency
media: Remove depends on HAS_DMA in case of platform dependency
mmc: Remove depends on HAS_DMA in case of platform dependency
mtd: Remove depends on HAS_DMA in case of platform dependency
net: Remove depends on HAS_DMA in case of platform dependency
remoteproc: Remove depends on HAS_DMA in case of platform dependency
serial: Remove depends on HAS_DMA in case of platform dependency
spi: Remove depends on HAS_DMA in case of platform dependency
staging: vc04_services: Remove depends on HAS_DMA in case of platform
dependency
usb: Remove depends on HAS_DMA in case of platform dependency

drivers/ata/Kconfig | 2 --
drivers/crypto/Kconfig | 14 +++------
drivers/firewire/Kconfig | 1 -
drivers/fpga/Kconfig | 1 -
drivers/i2c/busses/Kconfig | 3 --
drivers/iio/adc/Kconfig | 2 --
drivers/iommu/Kconfig | 5 ++-
drivers/lightnvm/Kconfig | 2 +-
drivers/mailbox/Kconfig | 2 --
drivers/media/common/videobuf2/Kconfig | 2 --
drivers/media/pci/dt3155/Kconfig | 1 -
drivers/media/pci/intel/ipu3/Kconfig | 1 -
drivers/media/pci/solo6x10/Kconfig | 1 -
drivers/media/pci/sta2x11/Kconfig | 1 -
drivers/media/pci/tw5864/Kconfig | 1 -
drivers/media/pci/tw686x/Kconfig | 1 -
drivers/media/platform/Kconfig | 42 +++++++++----------------
drivers/media/platform/am437x/Kconfig | 2 +-
drivers/media/platform/atmel/Kconfig | 4 +--
drivers/media/platform/davinci/Kconfig | 6 ----
drivers/media/platform/marvell-ccic/Kconfig | 3 +-
drivers/media/platform/rcar-vin/Kconfig | 2 +-
drivers/media/platform/soc_camera/Kconfig | 3 +-
drivers/media/platform/sti/c8sectpfe/Kconfig | 2 +-
drivers/media/v4l2-core/Kconfig | 2 --
drivers/mmc/host/Kconfig | 10 ++----
drivers/mtd/nand/raw/Kconfig | 8 ++---
drivers/mtd/spi-nor/Kconfig | 2 +-
drivers/net/ethernet/amd/Kconfig | 2 +-
drivers/net/ethernet/apm/xgene-v2/Kconfig | 1 -
drivers/net/ethernet/apm/xgene/Kconfig | 1 -
drivers/net/ethernet/arc/Kconfig | 6 ++--
drivers/net/ethernet/broadcom/Kconfig | 2 --
drivers/net/ethernet/calxeda/Kconfig | 2 +-
drivers/net/ethernet/hisilicon/Kconfig | 2 +-
drivers/net/ethernet/marvell/Kconfig | 8 ++---
drivers/net/ethernet/mellanox/mlxsw/Kconfig | 2 +-
drivers/net/ethernet/renesas/Kconfig | 2 --
drivers/net/wireless/broadcom/brcm80211/Kconfig | 1 -
drivers/net/wireless/quantenna/qtnfmac/Kconfig | 2 +-
drivers/remoteproc/Kconfig | 1 -
drivers/spi/Kconfig | 12 ++-----
drivers/staging/media/davinci_vpfe/Kconfig | 1 -
drivers/staging/media/omap4iss/Kconfig | 1 -
drivers/staging/vc04_services/Kconfig | 1 -
drivers/tty/serial/Kconfig | 4 ---
drivers/usb/gadget/udc/Kconfig | 4 +--
drivers/usb/mtu3/Kconfig | 2 +-
drivers/video/fbdev/Kconfig | 3 +-
sound/soc/bcm/Kconfig | 3 +-
sound/soc/kirkwood/Kconfig | 1 -
sound/soc/pxa/Kconfig | 1 -
sound/soc/qcom/Kconfig | 7 ++---
53 files changed, 56 insertions(+), 142 deletions(-)

--
2.7.4

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds


2018-04-17 17:49:08

by Geert Uytterhoeven

[permalink] [raw]
Subject: [PATCH v3 08/20] iio: adc: Remove depends on HAS_DMA in case of platform dependency

Remove dependencies on HAS_DMA where a Kconfig symbol depends on another
symbol that implies HAS_DMA, and, optionally, on "|| COMPILE_TEST".
In most cases this other symbol is an architecture or platform specific
symbol, or PCI.

Generic symbols and drivers without platform dependencies keep their
dependencies on HAS_DMA, to prevent compiling subsystems or drivers that
cannot work anyway.

This simplifies the dependencies, and allows to improve compile-testing.

Signed-off-by: Geert Uytterhoeven <[email protected]>
Reviewed-by: Mark Brown <[email protected]>
Acked-by: Robin Murphy <[email protected]>
Acked-by: Jonathan Cameron <[email protected]>
---
v3:
- Add Acked-by,
- Rebase to v4.17-rc1,

v2:
- Add Reviewed-by, Acked-by,
- Drop RFC state,
- Split per subsystem.
---
drivers/iio/adc/Kconfig | 2 --
1 file changed, 2 deletions(-)

diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index 15606f237480dacb..88bbcd0e98632273 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -157,7 +157,6 @@ config AT91_SAMA5D2_ADC
tristate "Atmel AT91 SAMA5D2 ADC"
depends on ARCH_AT91 || COMPILE_TEST
depends on HAS_IOMEM
- depends on HAS_DMA
select IIO_TRIGGERED_BUFFER
help
Say yes here to build support for Atmel SAMA5D2 ADC which is
@@ -646,7 +645,6 @@ config SD_ADC_MODULATOR
config STM32_ADC_CORE
tristate "STMicroelectronics STM32 adc core"
depends on ARCH_STM32 || COMPILE_TEST
- depends on HAS_DMA
depends on OF
depends on REGULATOR
select IIO_BUFFER
--
2.7.4

2018-04-17 17:49:01

by Geert Uytterhoeven

[permalink] [raw]
Subject: [PATCH v3 01/20] ASoC: Remove depends on HAS_DMA in case of platform dependency

Remove dependencies on HAS_DMA where a Kconfig symbol depends on another
symbol that implies HAS_DMA, and, optionally, on "|| COMPILE_TEST".
In most cases this other symbol is an architecture or platform specific
symbol, or PCI.

Generic symbols and drivers without platform dependencies keep their
dependencies on HAS_DMA, to prevent compiling subsystems or drivers that
cannot work anyway.

This simplifies the dependencies, and allows to improve compile-testing.

Note:
- The various SND_SOC_LPASS_* symbols had to loose their dependencies
on HAS_DMA, as they are selected by SND_SOC_STORM and/or
SND_SOC_APQ8016_SBC.

Signed-off-by: Geert Uytterhoeven <[email protected]>
Reviewed-by: Mark Brown <[email protected]>
Acked-by: Robin Murphy <[email protected]>
Acked-by: Mark Brown <[email protected]>
---
v3:
- Add Acked-by,
- Rebase to v4.17-rc1,

v2:
- Add Reviewed-by, Acked-by,
- Drop RFC state,
- Drop dependency of SND_SOC_LPASS_IPQ806X on HAS_DMA,
- Split per subsystem.
---
sound/soc/bcm/Kconfig | 3 +--
sound/soc/kirkwood/Kconfig | 1 -
sound/soc/pxa/Kconfig | 1 -
sound/soc/qcom/Kconfig | 7 ++-----
4 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/sound/soc/bcm/Kconfig b/sound/soc/bcm/Kconfig
index edf367100ebd2f17..02f50b7a966ff262 100644
--- a/sound/soc/bcm/Kconfig
+++ b/sound/soc/bcm/Kconfig
@@ -11,9 +11,8 @@ config SND_BCM2835_SOC_I2S
config SND_SOC_CYGNUS
tristate "SoC platform audio for Broadcom Cygnus chips"
depends on ARCH_BCM_CYGNUS || COMPILE_TEST
- depends on HAS_DMA
help
Say Y if you want to add support for ASoC audio on Broadcom
Cygnus chips (bcm958300, bcm958305, bcm911360)

- If you don't know what to do here, say N.
\ No newline at end of file
+ If you don't know what to do here, say N.
diff --git a/sound/soc/kirkwood/Kconfig b/sound/soc/kirkwood/Kconfig
index bc3c7b5ac752e471..132bb83f8e99aff3 100644
--- a/sound/soc/kirkwood/Kconfig
+++ b/sound/soc/kirkwood/Kconfig
@@ -1,7 +1,6 @@
config SND_KIRKWOOD_SOC
tristate "SoC Audio for the Marvell Kirkwood and Dove chips"
depends on ARCH_DOVE || ARCH_MVEBU || COMPILE_TEST
- depends on HAS_DMA
help
Say Y or M if you want to add support for codecs attached to
the Kirkwood I2S interface. You will also need to select the
diff --git a/sound/soc/pxa/Kconfig b/sound/soc/pxa/Kconfig
index 484ab3c2ad672fc8..960744e46edc0549 100644
--- a/sound/soc/pxa/Kconfig
+++ b/sound/soc/pxa/Kconfig
@@ -1,7 +1,6 @@
config SND_PXA2XX_SOC
tristate "SoC Audio for the Intel PXA2xx chip"
depends on ARCH_PXA || COMPILE_TEST
- depends on HAS_DMA
select SND_PXA2XX_LIB
help
Say Y or M if you want to add support for codecs attached to
diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig
index 8ec9a074b38bd702..3cc252e55468eaab 100644
--- a/sound/soc/qcom/Kconfig
+++ b/sound/soc/qcom/Kconfig
@@ -11,24 +11,21 @@ config SND_SOC_LPASS_CPU

config SND_SOC_LPASS_PLATFORM
tristate
- depends on HAS_DMA
select REGMAP_MMIO

config SND_SOC_LPASS_IPQ806X
tristate
- depends on HAS_DMA
select SND_SOC_LPASS_CPU
select SND_SOC_LPASS_PLATFORM

config SND_SOC_LPASS_APQ8016
tristate
- depends on HAS_DMA
select SND_SOC_LPASS_CPU
select SND_SOC_LPASS_PLATFORM

config SND_SOC_STORM
tristate "ASoC I2S support for Storm boards"
- depends on SND_SOC_QCOM && HAS_DMA
+ depends on SND_SOC_QCOM
select SND_SOC_LPASS_IPQ806X
select SND_SOC_MAX98357A
help
@@ -37,7 +34,7 @@ config SND_SOC_STORM

config SND_SOC_APQ8016_SBC
tristate "SoC Audio support for APQ8016 SBC platforms"
- depends on SND_SOC_QCOM && HAS_DMA
+ depends on SND_SOC_QCOM
select SND_SOC_LPASS_APQ8016
help
Support for Qualcomm Technologies LPASS audio block in
--
2.7.4

2018-04-17 17:49:04

by Geert Uytterhoeven

[permalink] [raw]
Subject: [PATCH v3 04/20] fbdev: Remove depends on HAS_DMA in case of platform dependency

Remove dependencies on HAS_DMA where a Kconfig symbol depends on another
symbol that implies HAS_DMA, and, optionally, on "|| COMPILE_TEST".
In most cases this other symbol is an architecture or platform specific
symbol, or PCI.

Generic symbols and drivers without platform dependencies keep their
dependencies on HAS_DMA, to prevent compiling subsystems or drivers that
cannot work anyway.

This simplifies the dependencies, and allows to improve compile-testing.

Signed-off-by: Geert Uytterhoeven <[email protected]>
Reviewed-by: Mark Brown <[email protected]>
Acked-by: Robin Murphy <[email protected]>
Acked-by: Bartlomiej Zolnierkiewicz <[email protected]>
---
v3:
- Add Acked-by,
- Rebase to v4.17-rc1,

v2:
- Add Reviewed-by, Acked-by,
- Drop RFC state,
- Split per subsystem.
---
drivers/video/fbdev/Kconfig | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig
index d94254263ea5caa7..4f9853ec1721950f 100644
--- a/drivers/video/fbdev/Kconfig
+++ b/drivers/video/fbdev/Kconfig
@@ -2075,7 +2075,8 @@ config FB_XILINX

config FB_GOLDFISH
tristate "Goldfish Framebuffer"
- depends on FB && HAS_DMA && (GOLDFISH || COMPILE_TEST)
+ depends on FB
+ depends on GOLDFISH || COMPILE_TEST
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
--
2.7.4

2018-04-17 17:49:15

by Geert Uytterhoeven

[permalink] [raw]
Subject: [PATCH v3 15/20] net: Remove depends on HAS_DMA in case of platform dependency

Remove dependencies on HAS_DMA where a Kconfig symbol depends on another
symbol that implies HAS_DMA, and, optionally, on "|| COMPILE_TEST".
In most cases this other symbol is an architecture or platform specific
symbol, or PCI.

Generic symbols and drivers without platform dependencies keep their
dependencies on HAS_DMA, to prevent compiling subsystems or drivers that
cannot work anyway.

This simplifies the dependencies, and allows to improve compile-testing.

Signed-off-by: Geert Uytterhoeven <[email protected]>
Reviewed-by: Mark Brown <[email protected]>
Acked-by: Robin Murphy <[email protected]>
---
v3:
- Rebase to v4.17-rc1,
- Drop obsolete note about FSL_FMAN,

v2:
- Add Reviewed-by, Acked-by,
- Drop RFC state,
- Split per subsystem.
---
drivers/net/ethernet/amd/Kconfig | 2 +-
drivers/net/ethernet/apm/xgene-v2/Kconfig | 1 -
drivers/net/ethernet/apm/xgene/Kconfig | 1 -
drivers/net/ethernet/arc/Kconfig | 6 ++++--
drivers/net/ethernet/broadcom/Kconfig | 2 --
drivers/net/ethernet/calxeda/Kconfig | 2 +-
drivers/net/ethernet/hisilicon/Kconfig | 2 +-
drivers/net/ethernet/marvell/Kconfig | 8 +++-----
drivers/net/ethernet/mellanox/mlxsw/Kconfig | 2 +-
drivers/net/ethernet/renesas/Kconfig | 2 --
drivers/net/wireless/broadcom/brcm80211/Kconfig | 1 -
drivers/net/wireless/quantenna/qtnfmac/Kconfig | 2 +-
12 files changed, 12 insertions(+), 19 deletions(-)

diff --git a/drivers/net/ethernet/amd/Kconfig b/drivers/net/ethernet/amd/Kconfig
index d5c15e8bb3de706b..f273af136fc7c995 100644
--- a/drivers/net/ethernet/amd/Kconfig
+++ b/drivers/net/ethernet/amd/Kconfig
@@ -173,7 +173,7 @@ config SUNLANCE

config AMD_XGBE
tristate "AMD 10GbE Ethernet driver"
- depends on ((OF_NET && OF_ADDRESS) || ACPI || PCI) && HAS_IOMEM && HAS_DMA
+ depends on ((OF_NET && OF_ADDRESS) || ACPI || PCI) && HAS_IOMEM
depends on X86 || ARM64 || COMPILE_TEST
select BITREVERSE
select CRC32
diff --git a/drivers/net/ethernet/apm/xgene-v2/Kconfig b/drivers/net/ethernet/apm/xgene-v2/Kconfig
index 1205861b631896a0..eedd3f3dd22e2201 100644
--- a/drivers/net/ethernet/apm/xgene-v2/Kconfig
+++ b/drivers/net/ethernet/apm/xgene-v2/Kconfig
@@ -1,6 +1,5 @@
config NET_XGENE_V2
tristate "APM X-Gene SoC Ethernet-v2 Driver"
- depends on HAS_DMA
depends on ARCH_XGENE || COMPILE_TEST
help
This is the Ethernet driver for the on-chip ethernet interface
diff --git a/drivers/net/ethernet/apm/xgene/Kconfig b/drivers/net/ethernet/apm/xgene/Kconfig
index afccb033177b3923..e4e33c900b577161 100644
--- a/drivers/net/ethernet/apm/xgene/Kconfig
+++ b/drivers/net/ethernet/apm/xgene/Kconfig
@@ -1,6 +1,5 @@
config NET_XGENE
tristate "APM X-Gene SoC Ethernet Driver"
- depends on HAS_DMA
depends on ARCH_XGENE || COMPILE_TEST
select PHYLIB
select MDIO_XGENE
diff --git a/drivers/net/ethernet/arc/Kconfig b/drivers/net/ethernet/arc/Kconfig
index e743ddf46343302f..5d0ab8e74b680cc6 100644
--- a/drivers/net/ethernet/arc/Kconfig
+++ b/drivers/net/ethernet/arc/Kconfig
@@ -24,7 +24,8 @@ config ARC_EMAC_CORE
config ARC_EMAC
tristate "ARC EMAC support"
select ARC_EMAC_CORE
- depends on OF_IRQ && OF_NET && HAS_DMA && (ARC || COMPILE_TEST)
+ depends on OF_IRQ && OF_NET
+ depends on ARC || COMPILE_TEST
---help---
On some legacy ARC (Synopsys) FPGA boards such as ARCAngel4/ML50x
non-standard on-chip ethernet device ARC EMAC 10/100 is used.
@@ -33,7 +34,8 @@ config ARC_EMAC
config EMAC_ROCKCHIP
tristate "Rockchip EMAC support"
select ARC_EMAC_CORE
- depends on OF_IRQ && OF_NET && REGULATOR && HAS_DMA && (ARCH_ROCKCHIP || COMPILE_TEST)
+ depends on OF_IRQ && OF_NET && REGULATOR
+ depends on ARCH_ROCKCHIP || COMPILE_TEST
---help---
Support for Rockchip RK3036/RK3066/RK3188 EMAC ethernet controllers.
This selects Rockchip SoC glue layer support for the
diff --git a/drivers/net/ethernet/broadcom/Kconfig b/drivers/net/ethernet/broadcom/Kconfig
index af75156919edfead..4c3bfde6e8de00f2 100644
--- a/drivers/net/ethernet/broadcom/Kconfig
+++ b/drivers/net/ethernet/broadcom/Kconfig
@@ -157,7 +157,6 @@ config BGMAC
config BGMAC_BCMA
tristate "Broadcom iProc GBit BCMA support"
depends on BCMA && BCMA_HOST_SOC
- depends on HAS_DMA
depends on BCM47XX || ARCH_BCM_5301X || COMPILE_TEST
select BGMAC
select PHYLIB
@@ -170,7 +169,6 @@ config BGMAC_BCMA

config BGMAC_PLATFORM
tristate "Broadcom iProc GBit platform support"
- depends on HAS_DMA
depends on ARCH_BCM_IPROC || COMPILE_TEST
depends on OF
select BGMAC
diff --git a/drivers/net/ethernet/calxeda/Kconfig b/drivers/net/ethernet/calxeda/Kconfig
index 07d2201530d26c85..9fdd496b90ff47cb 100644
--- a/drivers/net/ethernet/calxeda/Kconfig
+++ b/drivers/net/ethernet/calxeda/Kconfig
@@ -1,6 +1,6 @@
config NET_CALXEDA_XGMAC
tristate "Calxeda 1G/10G XGMAC Ethernet driver"
- depends on HAS_IOMEM && HAS_DMA
+ depends on HAS_IOMEM
depends on ARCH_HIGHBANK || COMPILE_TEST
select CRC32
help
diff --git a/drivers/net/ethernet/hisilicon/Kconfig b/drivers/net/ethernet/hisilicon/Kconfig
index 8bcf470ff5f38a4e..fb1a7251f45d3369 100644
--- a/drivers/net/ethernet/hisilicon/Kconfig
+++ b/drivers/net/ethernet/hisilicon/Kconfig
@@ -5,7 +5,7 @@
config NET_VENDOR_HISILICON
bool "Hisilicon devices"
default y
- depends on (OF || ACPI) && HAS_DMA
+ depends on OF || ACPI
depends on ARM || ARM64 || COMPILE_TEST
---help---
If you have a network (Ethernet) card belonging to this class, say Y.
diff --git a/drivers/net/ethernet/marvell/Kconfig b/drivers/net/ethernet/marvell/Kconfig
index ebe5c91489355c9e..0704a1900bbca444 100644
--- a/drivers/net/ethernet/marvell/Kconfig
+++ b/drivers/net/ethernet/marvell/Kconfig
@@ -18,8 +18,8 @@ if NET_VENDOR_MARVELL

config MV643XX_ETH
tristate "Marvell Discovery (643XX) and Orion ethernet support"
- depends on (MV64X60 || PPC32 || PLAT_ORION || COMPILE_TEST) && INET
- depends on HAS_DMA
+ depends on MV64X60 || PPC32 || PLAT_ORION || COMPILE_TEST
+ depends on INET
select PHYLIB
select MVMDIO
---help---
@@ -58,7 +58,6 @@ config MVNETA_BM_ENABLE
config MVNETA
tristate "Marvell Armada 370/38x/XP/37xx network interface support"
depends on ARCH_MVEBU || COMPILE_TEST
- depends on HAS_DMA
select MVMDIO
select PHYLINK
---help---
@@ -84,7 +83,6 @@ config MVNETA_BM
config MVPP2
tristate "Marvell Armada 375/7K/8K network interface support"
depends on ARCH_MVEBU || COMPILE_TEST
- depends on HAS_DMA
select MVMDIO
---help---
This driver supports the network interface units in the
@@ -92,7 +90,7 @@ config MVPP2

config PXA168_ETH
tristate "Marvell pxa168 ethernet support"
- depends on HAS_IOMEM && HAS_DMA
+ depends on HAS_IOMEM
depends on CPU_PXA168 || ARCH_BERLIN || COMPILE_TEST
select PHYLIB
---help---
diff --git a/drivers/net/ethernet/mellanox/mlxsw/Kconfig b/drivers/net/ethernet/mellanox/mlxsw/Kconfig
index f4d9c9975ac3d857..82827a8d3d67cac7 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/Kconfig
+++ b/drivers/net/ethernet/mellanox/mlxsw/Kconfig
@@ -30,7 +30,7 @@ config MLXSW_CORE_THERMAL

config MLXSW_PCI
tristate "PCI bus implementation for Mellanox Technologies Switch ASICs"
- depends on PCI && HAS_DMA && HAS_IOMEM && MLXSW_CORE
+ depends on PCI && HAS_IOMEM && MLXSW_CORE
default m
---help---
This is PCI bus implementation for Mellanox Technologies Switch ASICs.
diff --git a/drivers/net/ethernet/renesas/Kconfig b/drivers/net/ethernet/renesas/Kconfig
index 27be51f0a421b43e..f3f7477043ce1061 100644
--- a/drivers/net/ethernet/renesas/Kconfig
+++ b/drivers/net/ethernet/renesas/Kconfig
@@ -17,7 +17,6 @@ if NET_VENDOR_RENESAS

config SH_ETH
tristate "Renesas SuperH Ethernet support"
- depends on HAS_DMA
depends on ARCH_RENESAS || SUPERH || COMPILE_TEST
select CRC32
select MII
@@ -31,7 +30,6 @@ config SH_ETH

config RAVB
tristate "Renesas Ethernet AVB support"
- depends on HAS_DMA
depends on ARCH_RENESAS || COMPILE_TEST
select CRC32
select MII
diff --git a/drivers/net/wireless/broadcom/brcm80211/Kconfig b/drivers/net/wireless/broadcom/brcm80211/Kconfig
index 9d99eb42d9176f0f..6acba67bca07abd7 100644
--- a/drivers/net/wireless/broadcom/brcm80211/Kconfig
+++ b/drivers/net/wireless/broadcom/brcm80211/Kconfig
@@ -60,7 +60,6 @@ config BRCMFMAC_PCIE
bool "PCIE bus interface support for FullMAC driver"
depends on BRCMFMAC
depends on PCI
- depends on HAS_DMA
select BRCMFMAC_PROTO_MSGBUF
select FW_LOADER
---help---
diff --git a/drivers/net/wireless/quantenna/qtnfmac/Kconfig b/drivers/net/wireless/quantenna/qtnfmac/Kconfig
index 025fa6018550895a..8d1492a90bd135c0 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/Kconfig
+++ b/drivers/net/wireless/quantenna/qtnfmac/Kconfig
@@ -7,7 +7,7 @@ config QTNFMAC
config QTNFMAC_PEARL_PCIE
tristate "Quantenna QSR10g PCIe support"
default n
- depends on HAS_DMA && PCI && CFG80211
+ depends on PCI && CFG80211
select QTNFMAC
select FW_LOADER
select CRC32
--
2.7.4

2018-04-17 17:49:03

by Geert Uytterhoeven

[permalink] [raw]
Subject: [PATCH v3 03/20] crypto: Remove depends on HAS_DMA in case of platform dependency

Remove dependencies on HAS_DMA where a Kconfig symbol depends on another
symbol that implies HAS_DMA, and, optionally, on "|| COMPILE_TEST".
In most cases this other symbol is an architecture or platform specific
symbol, or PCI.

Generic symbols and drivers without platform dependencies keep their
dependencies on HAS_DMA, to prevent compiling subsystems or drivers that
cannot work anyway.

This simplifies the dependencies, and allows to improve compile-testing.

Signed-off-by: Geert Uytterhoeven <[email protected]>
Reviewed-by: Mark Brown <[email protected]>
Acked-by: Robin Murphy <[email protected]>
Acked-by: Herbert Xu <[email protected]>
---
v3:
- Add Acked-by,
- Rebase to v4.17-rc1,

v2:
- Add Reviewed-by, Acked-by,
- Drop RFC state,
- Split per subsystem.
---
drivers/crypto/Kconfig | 14 ++++----------
1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index d1ea1a07cecbb36c..3dbc47528667b77c 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -419,7 +419,7 @@ config CRYPTO_DEV_EXYNOS_RNG
config CRYPTO_DEV_S5P
tristate "Support for Samsung S5PV210/Exynos crypto accelerator"
depends on ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST
- depends on HAS_IOMEM && HAS_DMA
+ depends on HAS_IOMEM
select CRYPTO_AES
select CRYPTO_BLKCIPHER
help
@@ -466,7 +466,6 @@ endif # if CRYPTO_DEV_UX500

config CRYPTO_DEV_ATMEL_AUTHENC
tristate "Support for Atmel IPSEC/SSL hw accelerator"
- depends on HAS_DMA
depends on ARCH_AT91 || COMPILE_TEST
select CRYPTO_AUTHENC
select CRYPTO_DEV_ATMEL_AES
@@ -479,7 +478,6 @@ config CRYPTO_DEV_ATMEL_AUTHENC

config CRYPTO_DEV_ATMEL_AES
tristate "Support for Atmel AES hw accelerator"
- depends on HAS_DMA
depends on ARCH_AT91 || COMPILE_TEST
select CRYPTO_AES
select CRYPTO_AEAD
@@ -494,7 +492,6 @@ config CRYPTO_DEV_ATMEL_AES

config CRYPTO_DEV_ATMEL_TDES
tristate "Support for Atmel DES/TDES hw accelerator"
- depends on HAS_DMA
depends on ARCH_AT91 || COMPILE_TEST
select CRYPTO_DES
select CRYPTO_BLKCIPHER
@@ -508,7 +505,6 @@ config CRYPTO_DEV_ATMEL_TDES

config CRYPTO_DEV_ATMEL_SHA
tristate "Support for Atmel SHA hw accelerator"
- depends on HAS_DMA
depends on ARCH_AT91 || COMPILE_TEST
select CRYPTO_HASH
help
@@ -574,7 +570,8 @@ config CRYPTO_DEV_CAVIUM_ZIP

config CRYPTO_DEV_QCE
tristate "Qualcomm crypto engine accelerator"
- depends on (ARCH_QCOM || COMPILE_TEST) && HAS_DMA && HAS_IOMEM
+ depends on ARCH_QCOM || COMPILE_TEST
+ depends on HAS_IOMEM
select CRYPTO_AES
select CRYPTO_DES
select CRYPTO_ECB
@@ -598,7 +595,6 @@ source "drivers/crypto/vmx/Kconfig"
config CRYPTO_DEV_IMGTEC_HASH
tristate "Imagination Technologies hardware hash accelerator"
depends on MIPS || COMPILE_TEST
- depends on HAS_DMA
select CRYPTO_MD5
select CRYPTO_SHA1
select CRYPTO_SHA256
@@ -650,7 +646,6 @@ config CRYPTO_DEV_ROCKCHIP

config CRYPTO_DEV_MEDIATEK
tristate "MediaTek's EIP97 Cryptographic Engine driver"
- depends on HAS_DMA
depends on (ARM && ARCH_MEDIATEK) || COMPILE_TEST
select CRYPTO_AES
select CRYPTO_AEAD
@@ -688,7 +683,7 @@ source "drivers/crypto/stm32/Kconfig"

config CRYPTO_DEV_SAFEXCEL
tristate "Inside Secure's SafeXcel cryptographic engine driver"
- depends on HAS_DMA && OF
+ depends on OF
depends on (ARM64 && ARCH_MVEBU) || (COMPILE_TEST && 64BIT)
select CRYPTO_AES
select CRYPTO_BLKCIPHER
@@ -706,7 +701,6 @@ config CRYPTO_DEV_SAFEXCEL
config CRYPTO_DEV_ARTPEC6
tristate "Support for Axis ARTPEC-6/7 hardware crypto acceleration."
depends on ARM && (ARCH_ARTPEC || COMPILE_TEST)
- depends on HAS_DMA
depends on OF
select CRYPTO_AEAD
select CRYPTO_AES
--
2.7.4

2018-04-17 17:49:09

by Geert Uytterhoeven

[permalink] [raw]
Subject: [PATCH v3 09/20] iommu: Remove depends on HAS_DMA in case of platform dependency

Remove dependencies on HAS_DMA where a Kconfig symbol depends on another
symbol that implies HAS_DMA, and, optionally, on "|| COMPILE_TEST".
In most cases this other symbol is an architecture or platform specific
symbol, or PCI.

Generic symbols and drivers without platform dependencies keep their
dependencies on HAS_DMA, to prevent compiling subsystems or drivers that
cannot work anyway.

This simplifies the dependencies, and allows to improve compile-testing.

Signed-off-by: Geert Uytterhoeven <[email protected]>
Reviewed-by: Mark Brown <[email protected]>
Acked-by: Robin Murphy <[email protected]>
Acked-by: Joerg Roedel <[email protected]>
---
v3:
- Add Acked-by,
- Rebase to v4.17-rc1,

v2:
- Add Reviewed-by, Acked-by,
- Drop RFC state,
- Split per subsystem.
---
drivers/iommu/Kconfig | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index df171cb8582296b9..c76157e57f6ba4ba 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -23,7 +23,7 @@ config IOMMU_IO_PGTABLE
config IOMMU_IO_PGTABLE_LPAE
bool "ARMv7/v8 Long Descriptor Format"
select IOMMU_IO_PGTABLE
- depends on HAS_DMA && (ARM || ARM64 || (COMPILE_TEST && !GENERIC_ATOMIC64))
+ depends on ARM || ARM64 || (COMPILE_TEST && !GENERIC_ATOMIC64)
help
Enable support for the ARM long descriptor pagetable format.
This allocator supports 4K/2M/1G, 16K/32M and 64K/512M page
@@ -42,7 +42,7 @@ config IOMMU_IO_PGTABLE_LPAE_SELFTEST
config IOMMU_IO_PGTABLE_ARMV7S
bool "ARMv7/v8 Short Descriptor Format"
select IOMMU_IO_PGTABLE
- depends on HAS_DMA && (ARM || ARM64 || COMPILE_TEST)
+ depends on ARM || ARM64 || COMPILE_TEST
help
Enable support for the ARM Short-descriptor pagetable format.
This supports 32-bit virtual and physical addresses mapped using
@@ -376,7 +376,6 @@ config QCOM_IOMMU
# Note: iommu drivers cannot (yet?) be built as modules
bool "Qualcomm IOMMU Support"
depends on ARCH_QCOM || (COMPILE_TEST && !GENERIC_ATOMIC64)
- depends on HAS_DMA
select IOMMU_API
select IOMMU_IO_PGTABLE_LPAE
select ARM_DMA_USE_IOMMU
--
2.7.4

2018-04-17 17:49:20

by Geert Uytterhoeven

[permalink] [raw]
Subject: [PATCH v3 20/20] usb: Remove depends on HAS_DMA in case of platform dependency

Remove dependencies on HAS_DMA where a Kconfig symbol depends on another
symbol that implies HAS_DMA, and, optionally, on "|| COMPILE_TEST".
In most cases this other symbol is an architecture or platform specific
symbol, or PCI.

Generic symbols and drivers without platform dependencies keep their
dependencies on HAS_DMA, to prevent compiling subsystems or drivers that
cannot work anyway.

This simplifies the dependencies, and allows to improve compile-testing.

Signed-off-by: Geert Uytterhoeven <[email protected]>
Reviewed-by: Mark Brown <[email protected]>
Acked-by: Robin Murphy <[email protected]>
Acked-by: Felipe Balbi <[email protected]> [drivers/usb/gadget/]
Acked-by: Greg Kroah-Hartman <[email protected]>
---
v3:
- Add Acked-by,
- Rebase to v4.17-rc1,

v2:
- Add Reviewed-by, Acked-by,
- Drop RFC state,
- Split per subsystem.
---
drivers/usb/gadget/udc/Kconfig | 4 ++--
drivers/usb/mtu3/Kconfig | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/gadget/udc/Kconfig b/drivers/usb/gadget/udc/Kconfig
index 0875d38476ee9395..9c3b4f86965e80c7 100644
--- a/drivers/usb/gadget/udc/Kconfig
+++ b/drivers/usb/gadget/udc/Kconfig
@@ -179,7 +179,7 @@ config USB_R8A66597

config USB_RENESAS_USBHS_UDC
tristate 'Renesas USBHS controller'
- depends on USB_RENESAS_USBHS && HAS_DMA
+ depends on USB_RENESAS_USBHS
help
Renesas USBHS is a discrete USB host and peripheral controller chip
that supports both full and high speed USB 2.0 data transfers.
@@ -192,7 +192,7 @@ config USB_RENESAS_USBHS_UDC
config USB_RENESAS_USB3
tristate 'Renesas USB3.0 Peripheral controller'
depends on ARCH_RENESAS || COMPILE_TEST
- depends on EXTCON && HAS_DMA
+ depends on EXTCON
help
Renesas USB3.0 Peripheral controller is a USB peripheral controller
that supports super, high, and full speed USB 3.0 data transfers.
diff --git a/drivers/usb/mtu3/Kconfig b/drivers/usb/mtu3/Kconfig
index 25cd61947beea51e..c0c0eb88e5eafc74 100644
--- a/drivers/usb/mtu3/Kconfig
+++ b/drivers/usb/mtu3/Kconfig
@@ -2,7 +2,7 @@

config USB_MTU3
tristate "MediaTek USB3 Dual Role controller"
- depends on EXTCON && (USB || USB_GADGET) && HAS_DMA
+ depends on EXTCON && (USB || USB_GADGET)
depends on ARCH_MEDIATEK || COMPILE_TEST
select USB_XHCI_MTK if USB_SUPPORT && USB_XHCI_HCD
help
--
2.7.4

2018-04-17 17:49:10

by Geert Uytterhoeven

[permalink] [raw]
Subject: [PATCH v3 10/20] lightnvm: Remove depends on HAS_DMA in case of platform dependency

Remove dependencies on HAS_DMA where a Kconfig symbol depends on another
symbol that implies HAS_DMA, and, optionally, on "|| COMPILE_TEST".
In most cases this other symbol is an architecture or platform specific
symbol, or PCI.

Generic symbols and drivers without platform dependencies keep their
dependencies on HAS_DMA, to prevent compiling subsystems or drivers that
cannot work anyway.

This simplifies the dependencies, and allows to improve compile-testing.

Signed-off-by: Geert Uytterhoeven <[email protected]>
Reviewed-by: Mark Brown <[email protected]>
Acked-by: Robin Murphy <[email protected]>
Reviewed-by: Matias Bjørling <[email protected]>
---
v3:
- Add Reviewed-by,
- Rebase to v4.17-rc1,
- Removed bogus notes,

v2:
- Add Reviewed-by, Acked-by,
- Drop RFC state,
- Split per subsystem.
---
drivers/lightnvm/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/lightnvm/Kconfig b/drivers/lightnvm/Kconfig
index 10c08982185a572f..9c03f35d9df113c6 100644
--- a/drivers/lightnvm/Kconfig
+++ b/drivers/lightnvm/Kconfig
@@ -4,7 +4,7 @@

menuconfig NVM
bool "Open-Channel SSD target support"
- depends on BLOCK && HAS_DMA && PCI
+ depends on BLOCK && PCI
select BLK_DEV_NVME
help
Say Y here to get to enable Open-channel SSDs.
--
2.7.4

_______________________________________________
devel mailing list
[email protected]
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel

2018-04-17 17:49:11

by Geert Uytterhoeven

[permalink] [raw]
Subject: [PATCH v3 11/20] mailbox: Remove depends on HAS_DMA in case of platform dependency

Remove dependencies on HAS_DMA where a Kconfig symbol depends on another
symbol that implies HAS_DMA, and, optionally, on "|| COMPILE_TEST".
In most cases this other symbol is an architecture or platform specific
symbol, or PCI.

Generic symbols and drivers without platform dependencies keep their
dependencies on HAS_DMA, to prevent compiling subsystems or drivers that
cannot work anyway.

This simplifies the dependencies, and allows to improve compile-testing.

Signed-off-by: Geert Uytterhoeven <[email protected]>
Reviewed-by: Mark Brown <[email protected]>
Acked-by: Robin Murphy <[email protected]>
---
v3:
- Rebase to v4.17-rc1,
- Removed bogus notes,

v2:
- Add Reviewed-by, Acked-by,
- Drop RFC state,
- Split per subsystem.
---
drivers/mailbox/Kconfig | 2 --
1 file changed, 2 deletions(-)

diff --git a/drivers/mailbox/Kconfig b/drivers/mailbox/Kconfig
index a2bb27446dce4e2b..725dce5ba62d5baf 100644
--- a/drivers/mailbox/Kconfig
+++ b/drivers/mailbox/Kconfig
@@ -162,7 +162,6 @@ config XGENE_SLIMPRO_MBOX
config BCM_PDC_MBOX
tristate "Broadcom FlexSparx DMA Mailbox"
depends on ARCH_BCM_IPROC || COMPILE_TEST
- depends on HAS_DMA
help
Mailbox implementation for the Broadcom FlexSparx DMA ring manager,
which provides access to various offload engines on Broadcom
@@ -172,7 +171,6 @@ config BCM_FLEXRM_MBOX
tristate "Broadcom FlexRM Mailbox"
depends on ARM64
depends on ARCH_BCM_IPROC || COMPILE_TEST
- depends on HAS_DMA
select GENERIC_MSI_IRQ_DOMAIN
default m if ARCH_BCM_IPROC
help
--
2.7.4

2018-04-19 16:41:15

by Kalle Valo

[permalink] [raw]
Subject: Re: [PATCH v3 15/20] net: Remove depends on HAS_DMA in case of platform dependency

(adding linux-wireless)

Geert Uytterhoeven <[email protected]> writes:

> Remove dependencies on HAS_DMA where a Kconfig symbol depends on another
> symbol that implies HAS_DMA, and, optionally, on "|| COMPILE_TEST".
> In most cases this other symbol is an architecture or platform specific
> symbol, or PCI.
>
> Generic symbols and drivers without platform dependencies keep their
> dependencies on HAS_DMA, to prevent compiling subsystems or drivers that
> cannot work anyway.
>
> This simplifies the dependencies, and allows to improve compile-testing.
>
> Signed-off-by: Geert Uytterhoeven <[email protected]>
> Reviewed-by: Mark Brown <[email protected]>
> Acked-by: Robin Murphy <[email protected]>
> ---
> v3:
> - Rebase to v4.17-rc1,
> - Drop obsolete note about FSL_FMAN,
>
> v2:
> - Add Reviewed-by, Acked-by,
> - Drop RFC state,
> - Split per subsystem.
> ---
> drivers/net/ethernet/amd/Kconfig | 2 +-
> drivers/net/ethernet/apm/xgene-v2/Kconfig | 1 -
> drivers/net/ethernet/apm/xgene/Kconfig | 1 -
> drivers/net/ethernet/arc/Kconfig | 6 ++++--
> drivers/net/ethernet/broadcom/Kconfig | 2 --
> drivers/net/ethernet/calxeda/Kconfig | 2 +-
> drivers/net/ethernet/hisilicon/Kconfig | 2 +-
> drivers/net/ethernet/marvell/Kconfig | 8 +++-----
> drivers/net/ethernet/mellanox/mlxsw/Kconfig | 2 +-
> drivers/net/ethernet/renesas/Kconfig | 2 --
> drivers/net/wireless/broadcom/brcm80211/Kconfig | 1 -
> drivers/net/wireless/quantenna/qtnfmac/Kconfig | 2 +-
> 12 files changed, 12 insertions(+), 19 deletions(-)

For wireless:

Acked-by: Kalle Valo <[email protected]>

Leaving the hunks for linux-wireless list to see:

> diff --git a/drivers/net/wireless/broadcom/brcm80211/Kconfig b/drivers/net/wireless/broadcom/brcm80211/Kconfig
> index 9d99eb42d9176f0f..6acba67bca07abd7 100644
> --- a/drivers/net/wireless/broadcom/brcm80211/Kconfig
> +++ b/drivers/net/wireless/broadcom/brcm80211/Kconfig
> @@ -60,7 +60,6 @@ config BRCMFMAC_PCIE
> bool "PCIE bus interface support for FullMAC driver"
> depends on BRCMFMAC
> depends on PCI
> - depends on HAS_DMA
> select BRCMFMAC_PROTO_MSGBUF
> select FW_LOADER
> ---help---
> diff --git a/drivers/net/wireless/quantenna/qtnfmac/Kconfig b/drivers/net/wireless/quantenna/qtnfmac/Kconfig
> index 025fa6018550895a..8d1492a90bd135c0 100644
> --- a/drivers/net/wireless/quantenna/qtnfmac/Kconfig
> +++ b/drivers/net/wireless/quantenna/qtnfmac/Kconfig
> @@ -7,7 +7,7 @@ config QTNFMAC
> config QTNFMAC_PEARL_PCIE
> tristate "Quantenna QSR10g PCIe support"
> default n
> - depends on HAS_DMA && PCI && CFG80211
> + depends on PCI && CFG80211
> select QTNFMAC
> select FW_LOADER
> select CRC32

--
Kalle Valo

2018-04-28 08:24:38

by Herbert Xu

[permalink] [raw]
Subject: Re: [PATCH v3 03/20] crypto: Remove depends on HAS_DMA in case of platform dependency

On Tue, Apr 17, 2018 at 07:49:03PM +0200, Geert Uytterhoeven wrote:
> Remove dependencies on HAS_DMA where a Kconfig symbol depends on another
> symbol that implies HAS_DMA, and, optionally, on "|| COMPILE_TEST".
> In most cases this other symbol is an architecture or platform specific
> symbol, or PCI.
>
> Generic symbols and drivers without platform dependencies keep their
> dependencies on HAS_DMA, to prevent compiling subsystems or drivers that
> cannot work anyway.
>
> This simplifies the dependencies, and allows to improve compile-testing.
>
> Signed-off-by: Geert Uytterhoeven <[email protected]>
> Reviewed-by: Mark Brown <[email protected]>
> Acked-by: Robin Murphy <[email protected]>
> Acked-by: Herbert Xu <[email protected]>
> ---
> v3:
> - Add Acked-by,
> - Rebase to v4.17-rc1,
>
> v2:
> - Add Reviewed-by, Acked-by,
> - Drop RFC state,
> - Split per subsystem.
> ---
> drivers/crypto/Kconfig | 14 ++++----------
> 1 file changed, 4 insertions(+), 10 deletions(-)

Patch applied. Thanks.
--
Email: Herbert Xu <[email protected]>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

2018-05-03 13:02:44

by Joerg Roedel

[permalink] [raw]
Subject: Re: [PATCH v3 09/20] iommu: Remove depends on HAS_DMA in case of platform dependency

On Tue, Apr 17, 2018 at 07:49:09PM +0200, Geert Uytterhoeven wrote:
> Remove dependencies on HAS_DMA where a Kconfig symbol depends on another
> symbol that implies HAS_DMA, and, optionally, on "|| COMPILE_TEST".
> In most cases this other symbol is an architecture or platform specific
> symbol, or PCI.
>
> Generic symbols and drivers without platform dependencies keep their
> dependencies on HAS_DMA, to prevent compiling subsystems or drivers that
> cannot work anyway.
>
> This simplifies the dependencies, and allows to improve compile-testing.
>
> Signed-off-by: Geert Uytterhoeven <[email protected]>
> Reviewed-by: Mark Brown <[email protected]>
> Acked-by: Robin Murphy <[email protected]>
> Acked-by: Joerg Roedel <[email protected]>

Applied, thanks.