Messages in this thread Patch in this message | | | Date | Thu, 2 Dec 2010 09:19:48 -0800 | From | Randy Dunlap <> | Subject | [PATCH -next] serial: fix pch_uart kconfig & build |
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From: Randy Dunlap <randy.dunlap@oracle.com>
The dma_request_channel/dma_release_channel interfaces are not built when DMADEVICES is not enabled, so make the driver depend on DMADEVICES. Also, the help text says that the driver enables & uses PCH_DMA, which is not enabled, so select that.
ERROR: "__dma_request_channel" [drivers/serial/pch_uart.ko] undefined! ERROR: "dma_release_channel" [drivers/serial/pch_uart.ko] undefined!
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com> Reported-by: Zimny Lech <napohybelskurwysynom2010@gmail.com> --- drivers/serial/Kconfig | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
This driver seems to have some other issues:
drivers/serial/pch_uart.c: In function 'dma_handle_rx': drivers/serial/pch_uart.c:685: warning: cast from pointer to integer of different size drivers/serial/pch_uart.c: In function 'dma_handle_tx': drivers/serial/pch_uart.c:778: warning: cast from pointer to integer of different size drivers/serial/pch_uart.c: In function 'pch_uart_init_port': drivers/serial/pch_uart.c:1289: warning: cast to pointer from integer of different size drivers/serial/pch_uart.c: In function 'pch_uart_exit_port': drivers/serial/pch_uart.c:1328: warning: cast from pointer to integer of different size
--- linux-next-20101202.orig/drivers/serial/Kconfig +++ linux-next-20101202/drivers/serial/Kconfig @@ -1650,8 +1650,9 @@ config SERIAL_IFX6X60 config SERIAL_PCH_UART tristate "Intel EG20T PCH UART" + depends on PCI && DMADEVICES select SERIAL_CORE - depends on PCI + select PCH_DMA help This driver is for PCH(Platform controller Hub) UART of Intel EG20T which is an IOH(Input/Output Hub) for x86 embedded processor.
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