From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Yuan Yao <yao.yuan@freescale.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jiri Slaby <jslaby@suse.cz>
Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org,
Geert Uytterhoeven <geert@linux-m68k.org>
Subject: [PATCH] serial: SERIAL_FSL_LPUART should depend on HAS_DMA
Date: Tue, 6 May 2014 14:41:19 +0200 [thread overview]
Message-ID: <1399380079-2471-1-git-send-email-geert@linux-m68k.org> (raw)
If NO_DMA=y:
drivers/built-in.o: In function `lpuart_dma_rx_free':
fsl_lpuart.c:(.text+0x7da28): undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `lpuart_dma_tx_free':
fsl_lpuart.c:(.text+0x7da60): undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `lpuart_dma_rx':
fsl_lpuart.c:(.text+0x7dab8): undefined reference to `dma_sync_single_for_cpu'
drivers/built-in.o: In function `lpuart_dma_tx':
fsl_lpuart.c:(.text+0x7db7e): undefined reference to `dma_sync_single_for_cpu'
drivers/built-in.o: In function `lpuart_copy_rx_to_tty':
fsl_lpuart.c:(.text+0x7dcd4): undefined reference to `dma_sync_single_for_cpu'
make[3]: *** [vmlinux] Error 1
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
drivers/tty/serial/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 5d9b01aa54f4..84b83d50e859 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -1479,6 +1479,7 @@ config SERIAL_RP2_NR_UARTS
config SERIAL_FSL_LPUART
tristate "Freescale lpuart serial port support"
+ depends on HAS_DMA
select SERIAL_CORE
help
Support for the on-chip lpuart on some Freescale SOCs.
--
1.7.9.5
reply other threads:[~2014-05-06 12:41 UTC|newest]
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