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SubjectRe: [PATCH 2/2] staging: atomisp: fix compilation errors in case of ISP2401.
We always need a changelog.  And actually this seems a bit involved so
there is stuff to explain.

On Mon, Sep 11, 2017 at 08:51:15PM +0200, Vincent Hervieux wrote:
> Signed-off-by: Vincent Hervieux <vincent.hervieux@gmail.com>
> ---
> .../media/atomisp/pci/atomisp2/atomisp_cmd.c | 5 ++---
> .../media/atomisp/pci/atomisp2/atomisp_v4l2.c | 6 +++++-
> .../pci/atomisp2/css2400/ia_css_acc_types.h | 1 +
> .../css2400/runtime/debug/src/ia_css_debug.c | 3 ---
> .../media/atomisp/pci/atomisp2/css2400/sh_css.c | 24 ++++++++++------------
> .../atomisp/pci/atomisp2/css2400/sh_css_params.c | 8 +-------
> 6 files changed, 20 insertions(+), 27 deletions(-)
>
> diff --git a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c
> index f48bf451c1f5..d79a3cfb834d 100644
> --- a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c
> +++ b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c
> @@ -1045,9 +1045,8 @@ void atomisp_buf_done(struct atomisp_sub_device *asd, int error,
> asd->re_trigger_capture = false;
> dev_dbg(isp->dev, "Trigger capture again for new buffer. err=%d\n",
> err);
> - } else {
> - asd->re_trigger_capture = true;
> - }
> + } else {
> + asd->re_trigger_capture = true;
> #endif
> }
> break;
> diff --git a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_v4l2.c b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_v4l2.c
> index 663aa916e3ca..1e61f66437d2 100644
> --- a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_v4l2.c
> +++ b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_v4l2.c
> @@ -1602,4 +1602,8 @@ module_exit(atomisp_exit);
> MODULE_AUTHOR("Wen Wang <wen.w.wang@intel.com>");
> MODULE_AUTHOR("Xiaolin Zhang <xiaolin.zhang@intel.com>");
> MODULE_LICENSE("GPL");
> -MODULE_DESCRIPTION("Intel ATOM Platform ISP Driver");
> +#if defined(ISP2400) || defined(ISP2400B0)
> +MODULE_DESCRIPTION("Intel ATOM Platform ISP Driver 2400");
> +#elif defined(ISP2401)
> +MODULE_DESCRIPTION("Intel ATOM Platform ISP Driver 2401");
> +#endif
> diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_acc_types.h b/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_acc_types.h
> index a2a1873aca83..3bcbd0fa0637 100644
> --- a/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_acc_types.h
> +++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_acc_types.h
> @@ -222,6 +222,7 @@ struct ia_css_binary_info {
> uint8_t luma_only;
> uint8_t input_yuv;
> uint8_t input_raw;
> + uint8_t lace_stats;
> #endif
> uint8_t reduced_pipe;
> uint8_t vf_veceven;
> diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/debug/src/ia_css_debug.c b/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/debug/src/ia_css_debug.c
> index 0fa7cb2423d8..6f6e30cb7550 100644
> --- a/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/debug/src/ia_css_debug.c
> +++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/debug/src/ia_css_debug.c
> @@ -49,9 +49,6 @@
> #include "assert_support.h"
> #include "print_support.h"
> #include "string_support.h"
> -#ifdef ISP2401
> -#include "ia_css_system_ctrl.h"
> -#endif
>
> #include "fifo_monitor.h"
>
> diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css.c b/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css.c
> index e882b5596813..1d2e56e74e01 100644
> --- a/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css.c
> +++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css.c
> @@ -1496,7 +1496,7 @@ sh_css_invalidate_shading_tables(struct ia_css_stream *stream)
> "sh_css_invalidate_shading_tables() leave: return_void\n");
> }
>
> -#ifndef ISP2401
> +#if 1 /* was ndef ISP2401 but this function is used by ISP2401 on line 1758 */

Just delete the #if. (I haven't looked at the code). These comments
should probably be in the changelog. You probably want to break this
patch up into several patches and add a little changelog for each
explaining what's going on.

Extra curly brace. Bad indenting. Add a missing struct member.
Delete references to header file that doesn't exist. Delete defines.

regards,
dan carpenter

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