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The PCI endpoint test driver uses crc32_le() so it should select
CRC32. Fixes this build error (when CRC32=m):
drivers/built-in.o: In function `pci_epf_test_cmd_handler':
pci-epf-test.c:(.text+0x2d98d): undefined reference to `crc32_le'
Fixes: 349e7a85b25f ("PCI: endpoint: functions: Add an EP function to test PCI")
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
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If NO_DMA=y:
drivers/built-in.o: In function `__pci_epc_create':
(.text+0xef4e): undefined reference to `bad_dma_ops'
drivers/built-in.o: In function `pci_epc_add_epf':
(.text+0xf676): undefined reference to `bad_dma_ops'
drivers/built-in.o: In function `pci_epf_alloc_space':
(.text+0xfa32): undefined reference to `bad_dma_ops'
drivers/built-in.o: In function `pci_epf_free_space':
(.text+0xfac4): undefined reference to `bad_dma_ops'
Add a dependency on HAS_DMA to fix this.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Adds a new endpoint function driver (to program the virtual test device)
making use of the EP-core library.
[bhelgaas: fold in pci_epf_test_probe() -ENOMEM test from Wei Yongjun
<weiyongjun1@huawei.com>]
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Invoke APIs provided by pci-ep-cfs to create configfs entry for every EPC
device and EPF driver to help users in creating EPF device and binding the
EPF device to the EPC device.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Introduce a new configfs entry to configure the EP function (like
configuring the standard configuration header entries) and to bind the EP
function with EP controller.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Introduce a new EP core layer in order to support endpoint functions in
linux kernel. This comprises the EPC library (Endpoint Controller Library)
and EPF library (Endpoint Function Library). EPC library implements
functions specific to an endpoint controller and EPF library implements
functions specific to an endpoint function.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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