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Support new device OKI SEMICONDUCTOR ML7223 IOH(Input/Output Hub).
The ML7223 IOH is for MP(Media Phone) use.
The ML7223 is companion chip for Intel Atom E6xx series.
The ML7223 is completely compatible for Intel EG20T PCH.
Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Currently, Direct-Start mode(*) is enabled.
Our IOH's devices must not use this mode.
This causes unexpected behavior.
This patch deletes Direct-Start setting.
(*) This mode is used in order for CPU to generate the DMA request.
Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Currently, even-channel number is set as tx direction and odd is set as rx.
However, though video-in uses ch6, the direction is not tx but rx.
This patch sets video-in's DMA direction correctly.
Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
In the function pdc_desc_get(), var 'i' is not
initialized before use. This patch fixes it.
Signed-off-by: Liu Yuan <tailai.ly@taobao.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
When CONFIG_PM=n, we get the following warning:
drivers/dma/pch_dma.c:741: warning: ‘pch_dma_suspend’ defined but not used
drivers/dma/pch_dma.c:755: warning: ‘pch_dma_resume’ defined but not used
To fix it, wrap pch_dma_{suspend,resume} and
pch_dma_{save,restore}_regs functions with CONFIG_PM.
Signed-off-by: Rakib Mullick <rakib.mullick@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Support new device OKI SEMICONDUCTOR's ML7213 IOH(Input/Output Hub) which is for
IVI(In-Vehicle Infotainment) use.
The ML7213 is companion chip for Intel Atom E6xx series.
The ML7213 is completely compatible for Intel EG20T PCH.
Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Currently, in case of using scatter/gather mode, head of data is not sent to
destination. The cause is second descriptor address is set to NEXT.
The NEXT must have head of descriptor address.
This patch sets head of descriptor address to the NEXT.
Acked-by: Yong Wang <youg.y.wang@intel.com>
Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
[dan.j.williams@intel.com: fixed up usage of virt_to_phys()]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
NULL-terminating pci_device_id in pch_dma.c and scx200_acb.c
for appying MODULE_DEVICE_TABLE (to publish modalias-es).
Signed-off-by: Dzianis Kahanovich <mahatma@eu.by>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Use {read|write}l instead of __raw_{read|write}l since PCH DMA
controller is PCI device.
Signed-off-by: Yong Wang <yong.y.wang@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Topcliff PCH is the platform controller hub that is going to
be used in Intel's upcoming general embedded platforms. This
adds the driver for Topcliff PCH DMA controller. The DMA
channels are strictly for device to host or host to device
transfers and cannot be used for generic memcpy.
Signed-off-by: Yong Wang <yong.y.wang@intel.com>
[kill GFP_ATOMIC, kill __raw_{read|write}l, locking fixlet]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
