linux-kernel - Re: [PATCH v3] m68k: coldfire/device.c: only build for MCF

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Date:   Mon, 7 Mar 2022 15:40:21 +1000
From:   Greg Ungerer <gerg@...nel.org>
To:     Randy Dunlap <rdunlap@...radead.org>, linux-kernel@...r.kernel.org
Cc:     kernel test robot <lkp@...el.com>,
        Angelo Dureghello <angelo@...am.it>,
        Greg Ungerer <gerg@...ux-m68k.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        linux-m68k@...ts.linux-m68k.org, uclinux-dev@...inux.org
Subject: Re: [PATCH v3] m68k: coldfire/device.c: only build for MCF_EDMA when
 h/w macros are defined


On 5/3/22 16:40, Randy Dunlap wrote:
> When CONFIG_MCF_EDMA is set (due to COMPILE_TEST, not due to
> CONFIG_M5441x), coldfire/device.c has compile errors due to
> missing MCFEDMA_* symbols. In the .config file that was provided,
> CONFIG_M5206=y, not CONFIG_M5441x, so <asm/m5441xsim.h> is not
> included in coldfire/device.c.
> 
> Only build the MCF_EDMA code in coldfire/device.c if the MCFEDMA_*
> hardware macros are defined.
> 
> Fixes these build errors:
> 
> ../arch/m68k/coldfire/device.c:512:35: error: 'MCFEDMA_BASE' undeclared here (not in a function); did you mean 'MCFDMA_BASE1'?
>    512 |                 .start          = MCFEDMA_BASE,
> ../arch/m68k/coldfire/device.c:513:50: error: 'MCFEDMA_SIZE' undeclared here (not in a function)
>    513 |                 .end            = MCFEDMA_BASE + MCFEDMA_SIZE - 1,
> ../arch/m68k/coldfire/device.c:517:35: error: 'MCFEDMA_IRQ_INTR0' undeclared here (not in a function)
>    517 |                 .start          = MCFEDMA_IRQ_INTR0,
> ../arch/m68k/coldfire/device.c:523:35: error: 'MCFEDMA_IRQ_INTR16' undeclared here (not in a function)
>    523 |                 .start          = MCFEDMA_IRQ_INTR16,
> ../arch/m68k/coldfire/device.c:529:35: error: 'MCFEDMA_IRQ_INTR56' undeclared here (not in a function)
>    529 |                 .start          = MCFEDMA_IRQ_INTR56,
> ../arch/m68k/coldfire/device.c:535:35: error: 'MCFEDMA_IRQ_ERR' undeclared here (not in a function)
>    535 |                 .start          = MCFEDMA_IRQ_ERR,
> 
> Fixes: d7e9d01ac292 ("m68k: add ColdFire mcf5441x eDMA platform support")
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> Reported-by: kernel test robot <lkp@...el.com>
> Link: lore.kernel.org/r/202203030252.P752DK46-lkp@...el.com
> Cc: Angelo Dureghello <angelo@...am.it>
> Cc: Greg Ungerer <gerg@...nel.org>
> Cc: Greg Ungerer <gerg@...ux-m68k.org>
> Cc: Geert Uytterhoeven <geert@...ux-m68k.org>
> Cc: linux-m68k@...ts.linux-m68k.org
> Cc: uclinux-dev@...inux.org

Thanks for taking care of this.
Pushed into the m68knommu git tree.

Regards
Greg



> ---
> v2: only build when the hardware macros are defined (suggested by Geert)
> v3: complete the Subject.
> 
>   arch/m68k/coldfire/device.c |    6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
> 
> --- linux-next-20220303.orig/arch/m68k/coldfire/device.c
> +++ linux-next-20220303/arch/m68k/coldfire/device.c
> @@ -480,7 +480,7 @@ static struct platform_device mcf_i2c5 =
>   #endif /* MCFI2C_BASE5 */
>   #endif /* IS_ENABLED(CONFIG_I2C_IMX) */
>   
> -#if IS_ENABLED(CONFIG_MCF_EDMA)
> +#ifdef MCFEDMA_BASE
>   
>   static const struct dma_slave_map mcf_edma_map[] = {
>   	{ "dreq0", "rx-tx", MCF_EDMA_FILTER_PARAM(0) },
> @@ -552,7 +552,7 @@ static struct platform_device mcf_edma =
>   		.platform_data = &mcf_edma_data,
>   	}
>   };
> -#endif /* IS_ENABLED(CONFIG_MCF_EDMA) */
> +#endif /* MCFEDMA_BASE */
>   
>   #ifdef MCFSDHC_BASE
>   static struct mcf_esdhc_platform_data mcf_esdhc_data = {
> @@ -651,7 +651,7 @@ static struct platform_device *mcf_devic
>   	&mcf_i2c5,
>   #endif
>   #endif
> -#if IS_ENABLED(CONFIG_MCF_EDMA)
> +#ifdef MCFEDMA_BASE
>   	&mcf_edma,
>   #endif
>   #ifdef MCFSDHC_BASE