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SubjectRe: [PATCH 1/2] misc: fastrpc: select CONFIG_DMA_SHARED_BUFFER
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On 2/15/19 2:40 AM, Srinivas Kandagatla wrote:
> Fastrpc is a dma buf exporter as well, so select the corresponding
> DMA_SHARED_BUFFER config to fix below compilation errors on platforms
> without this config.
>
> ld: drivers/misc/fastrpc.o: in function 'fastrpc_free_map':
> fastrpc.c:(.text+0xbe): undefined reference to 'dma_buf_unmap_attachment'
> ld: fastrpc.c:(.text+0xcb): undefined reference to 'dma_buf_detach'
> ld: fastrpc.c:(.text+0xd4): undefined reference to 'dma_buf_put'
> ld: drivers/misc/fastrpc.o: in function 'fastrpc_map_create':
> fastrpc.c:(.text+0xb2b): undefined reference to 'dma_buf_get'
> ld: fastrpc.c:(.text+0xb47): undefined reference to 'dma_buf_attach'
> ld: fastrpc.c:(.text+0xb61): undefined reference to 'dma_buf_map_attachment'
> ld: fastrpc.c:(.text+0xc36): undefined reference to 'dma_buf_put'
> ld: fastrpc.c:(.text+0xc48): undefined reference to 'dma_buf_detach'
> ld: drivers/misc/fastrpc.o: in function 'fastrpc_device_ioctl':
> fastrpc.c:(.text+0x1756): undefined reference to 'dma_buf_get'
> ld: fastrpc.c:(.text+0x1776): undefined reference to 'dma_buf_put'
> ld: fastrpc.c:(.text+0x1780): undefined reference to 'dma_buf_put'
> ld: fastrpc.c:(.text+0x1abf): undefined reference to 'dma_buf_export'
> ld: fastrpc.c:(.text+0x1ae7): undefined reference to 'dma_buf_fd'
> ld: fastrpc.c:(.text+0x1cb5): undefined reference to 'dma_buf_put'
> ld: fastrpc.c:(.text+0x1cca): undefined reference to 'dma_buf_put'
>
> Reported-by: Randy Dunlap <rdunlap@infradead.org>
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested

Thanks.

> ---
> drivers/misc/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
> index 7e0726253755..53cd16f795d6 100644
> --- a/drivers/misc/Kconfig
> +++ b/drivers/misc/Kconfig
> @@ -299,6 +299,7 @@ config QCOM_FASTRPC
> tristate "Qualcomm FastRPC"
> depends on ARCH_QCOM || COMPILE_TEST
> depends on RPMSG
> + select DMA_SHARED_BUFFER
> help
> Provides a communication mechanism that allows for clients to
> make remote method invocations across processor boundary to
>


--
~Randy

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