linux-kernel - Re: [PATCH] drivers: staging: media: atomisp: pci: css_2401_system: host: csi_rx.c: fixed a sparse warning by making undeclared symbols static

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Message-ID: <20200719081054.7915a8ae@coco.lan>
Date:   Sun, 19 Jul 2020 08:10:54 +0200
From:   Mauro Carvalho Chehab <mchehab@...nel.org>
To:     B K Karthik <bkkarthik@...u.pes.edu>
Cc:     Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-media@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drivers: staging: media: atomisp: pci: css_2401_system:
 host: csi_rx.c: fixed a sparse warning by making undeclared symbols static

Em Tue, 14 Jul 2020 09:23:50 -0400
B K Karthik <bkkarthik@...u.pes.edu> escreveu:

> changed symbols N_SHORT_PACKET_LUT_ENTRIES, N_LONG_PACKET_ENTRIES,
> N_CSI_RX_FE_CTRL_DLANES, N_CSI_RX_BE_SID_WIDTH to static because they
> were not declared earlier.

This patch is broken:

ERROR: modpost: "N_CSI_RX_FE_CTRL_DLANES" [drivers/staging/media/atomisp/atomisp.ko] undefined!
ERROR: modpost: "N_LONG_PACKET_LUT_ENTRIES" [drivers/staging/media/atomisp/atomisp.ko] undefined!
ERROR: modpost: "N_SHORT_PACKET_LUT_ENTRIES" [drivers/staging/media/atomisp/atomisp.ko] undefined!

Please test your patches before submitting them.

I suspect that the header declaring them weren't included at csi_rx.c.

Regards,
Mauro

> 
> Signed-off-by: B K Karthik <karthik.bk2000@...e.com>
> ---
>  .../media/atomisp/pci/css_2401_system/host/csi_rx.c       | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/staging/media/atomisp/pci/css_2401_system/host/csi_rx.c b/drivers/staging/media/atomisp/pci/css_2401_system/host/csi_rx.c
> index 8e661091f7d9..4d2076db1240 100644
> --- a/drivers/staging/media/atomisp/pci/css_2401_system/host/csi_rx.c
> +++ b/drivers/staging/media/atomisp/pci/css_2401_system/host/csi_rx.c
> @@ -15,26 +15,26 @@
>  
>  #include "system_global.h"
>  
> -const u32 N_SHORT_PACKET_LUT_ENTRIES[N_CSI_RX_BACKEND_ID] = {
> +static const u32 N_SHORT_PACKET_LUT_ENTRIES[N_CSI_RX_BACKEND_ID] = {
>  	4,	/* 4 entries at CSI_RX_BACKEND0_ID*/
>  	4,	/* 4 entries at CSI_RX_BACKEND1_ID*/
>  	4	/* 4 entries at CSI_RX_BACKEND2_ID*/
>  };
>  
> -const u32 N_LONG_PACKET_LUT_ENTRIES[N_CSI_RX_BACKEND_ID] = {
> +static const u32 N_LONG_PACKET_LUT_ENTRIES[N_CSI_RX_BACKEND_ID] = {
>  	8,	/* 8 entries at CSI_RX_BACKEND0_ID*/
>  	4,	/* 4 entries at CSI_RX_BACKEND1_ID*/
>  	4	/* 4 entries at CSI_RX_BACKEND2_ID*/
>  };
>  
> -const u32 N_CSI_RX_FE_CTRL_DLANES[N_CSI_RX_FRONTEND_ID] = {
> +static const u32 N_CSI_RX_FE_CTRL_DLANES[N_CSI_RX_FRONTEND_ID] = {
>  	N_CSI_RX_DLANE_ID,	/* 4 dlanes for CSI_RX_FR0NTEND0_ID */
>  	N_CSI_RX_DLANE_ID,	/* 4 dlanes for CSI_RX_FR0NTEND1_ID */
>  	N_CSI_RX_DLANE_ID	/* 4 dlanes for CSI_RX_FR0NTEND2_ID */
>  };
>  
>  /* sid_width for CSI_RX_BACKEND<N>_ID */
> -const u32 N_CSI_RX_BE_SID_WIDTH[N_CSI_RX_BACKEND_ID] = {
> +static const u32 N_CSI_RX_BE_SID_WIDTH[N_CSI_RX_BACKEND_ID] = {
>  	3,
>  	2,
>  	2



Thanks,
Mauro