linux-kernel - Re: [PATCH] serial: SERIAL_STM32 should depend on HAS

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Date:   Thu, 6 Oct 2016 16:08:21 +0200
From:   Alexandre Torgue <alexandre.torgue@...com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>
CC:     <linux-serial@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] serial: SERIAL_STM32 should depend on HAS_DMA

Hi Geert,

On 10/06/2016 03:55 PM, Geert Uytterhoeven wrote:
> If NO_DMA=y:
>
>     drivers/built-in.o: In function `stm32_serial_remove':
>     stm32-usart.c:(.text+0xcea1a): undefined reference to `bad_dma_ops'
>     stm32-usart.c:(.text+0xcea7a): undefined reference to `bad_dma_ops'
>
> Add a dependency on HAS_DMA to fix this.
>
> Signed-off-by: Geert Uytterhoeven <geert@...ux-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 c7831407a882d2bb..25c1d7bc010043b1 100644
> --- a/drivers/tty/serial/Kconfig
> +++ b/drivers/tty/serial/Kconfig
> @@ -1625,6 +1625,7 @@ config SERIAL_SPRD_CONSOLE
>  config SERIAL_STM32
>  	tristate "STMicroelectronics STM32 serial port support"
>  	select SERIAL_CORE
> +	depends on HAS_DMA
>  	depends on ARM || COMPILE_TEST
>  	help
>  	  This driver is for the on-chip Serial Controller on
>
I sent same kind of patch this morning (but mine have a bad copy paste).
I will abandon my patch.

However for this one:
Acked-by: Alexandre Torgue <alexandre.torgue@...com>

regards
Alex