linux-kernel - Re: [PATCH v2] firmware: xlnx-zynqmp: fix compilation warning

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Message-ID: <2be02353-6782-6552-98a5-743b3fec00e9@xilinx.com>
Date:   Tue, 24 Nov 2020 15:28:07 +0100
From:   Michal Simek <michal.simek@...inx.com>
To:     Wendy Liang <wendy.liang@...inx.com>, <michal.simek@...inx.com>,
        <rajan.vaja@...inx.com>, <gregkh@...uxfoundation.org>,
        <tejas.patel@...inx.com>, <manish.narani@...inx.com>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] firmware: xlnx-zynqmp: fix compilation warning



On 24. 11. 20 9:18, Wendy Liang wrote:
> Fix compilation warning when ZYNQMP_FIRMWARE is not defined.
> 
> include/linux/firmware/xlnx-zynqmp.h: In function
> 'zynqmp_pm_get_eemi_ops':
>  include/linux/firmware/xlnx-zynqmp.h:363:9: error: implicit
>  declaration of function 'ERR_PTR'
>  [-Werror=implicit-function-declaration]
>      363 |  return ERR_PTR(-ENODEV);
> 
> include/linux/firmware/xlnx-zynqmp.h:363:18: note: each undeclared
> identifier is reported only once for each function it appears in
>    include/linux/firmware/xlnx-zynqmp.h: In function
> 'zynqmp_pm_get_api_version':
>    include/linux/firmware/xlnx-zynqmp.h:367:10: error: 'ENODEV'
> undeclared (first use in this function)
>      367 |  return -ENODEV;
>          |          ^~~~~~
> 
> Signed-off-by: Wendy Liang <wendy.liang@...inx.com>
> ---
> v2:
> * Always include linux/err.h
> ---
>  include/linux/firmware/xlnx-zynqmp.h | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h
> index 5968df8..f84244e 100644
> --- a/include/linux/firmware/xlnx-zynqmp.h
> +++ b/include/linux/firmware/xlnx-zynqmp.h
> @@ -13,6 +13,8 @@
>  #ifndef __FIRMWARE_ZYNQMP_H__
>  #define __FIRMWARE_ZYNQMP_H__
>  
> +#include <linux/err.h>
> +
>  #define ZYNQMP_PM_VERSION_MAJOR	1
>  #define ZYNQMP_PM_VERSION_MINOR	0
>  
> 

Applied for next.

M