[PATCH v3 53/76] media: exynos4-is: Access v4l2_fh from file
From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Date: 2025-08-10 01:32:50
Also in:
linux-media, linux-samsung-soc
Subsystem:
media input infrastructure (v4l/dvb), samsung s5p/exynos4 soc series camera subsystem drivers, the rest · Maintainers:
Mauro Carvalho Chehab, Sylwester Nawrocki, Linus Torvalds
From: Jacopo Mondi <jacopo.mondi@ideasonboard.com> The v4l2_fh associated with an open file handle is now guaranteed to be available in file->private_data, initialised by v4l2_fh_add(). Access the v4l2_fh, and from there the driver-specific structure, from the file * in all ioctl handlers. Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> Co-developed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> --- Changes since v1: - Update file-to-ctx macro due to removal of fh-to-ctx macro --- drivers/media/platform/samsung/exynos4-is/fimc-core.h | 4 +--- drivers/media/platform/samsung/exynos4-is/fimc-m2m.c | 10 +++++----- 2 files changed, 6 insertions(+), 8 deletions(-)
diff --git a/drivers/media/platform/samsung/exynos4-is/fimc-core.h b/drivers/media/platform/samsung/exynos4-is/fimc-core.h
index 2b6c72d9442c..c23cbdee7afc 100644
--- a/drivers/media/platform/samsung/exynos4-is/fimc-core.h
+++ b/drivers/media/platform/samsung/exynos4-is/fimc-core.h@@ -496,11 +496,9 @@ struct fimc_ctx { struct fimc_ctrls ctrls; }; -#define fh_to_ctx(__fh) container_of(__fh, struct fimc_ctx, fh) - static inline struct fimc_ctx *file_to_ctx(struct file *filp) { - return fh_to_ctx(file_to_v4l2_fh(filp)); + return container_of(file_to_v4l2_fh(filp), struct fimc_ctx, fh); } static inline void set_frame_bounds(struct fimc_frame *f, u32 width, u32 height)
diff --git a/drivers/media/platform/samsung/exynos4-is/fimc-m2m.c b/drivers/media/platform/samsung/exynos4-is/fimc-m2m.c
index 609fd84f89d4..562c57f186c6 100644
--- a/drivers/media/platform/samsung/exynos4-is/fimc-m2m.c
+++ b/drivers/media/platform/samsung/exynos4-is/fimc-m2m.c@@ -249,7 +249,7 @@ static int fimc_m2m_enum_fmt(struct file *file, void *priv, static int fimc_m2m_g_fmt_mplane(struct file *file, void *fh, struct v4l2_format *f) { - struct fimc_ctx *ctx = fh_to_ctx(fh); + struct fimc_ctx *ctx = file_to_ctx(file); const struct fimc_frame *frame = ctx_get_frame(ctx, f->type); if (IS_ERR(frame))
@@ -308,7 +308,7 @@ static int fimc_try_fmt_mplane(struct fimc_ctx *ctx, struct v4l2_format *f) static int fimc_m2m_try_fmt_mplane(struct file *file, void *fh, struct v4l2_format *f) { - struct fimc_ctx *ctx = fh_to_ctx(fh); + struct fimc_ctx *ctx = file_to_ctx(file); return fimc_try_fmt_mplane(ctx, f); }
@@ -337,7 +337,7 @@ static void __set_frame_format(struct fimc_frame *frame, static int fimc_m2m_s_fmt_mplane(struct file *file, void *fh, struct v4l2_format *f) { - struct fimc_ctx *ctx = fh_to_ctx(fh); + struct fimc_ctx *ctx = file_to_ctx(file); struct fimc_dev *fimc = ctx->fimc_dev; const struct fimc_fmt *fmt; struct vb2_queue *vq;
@@ -376,7 +376,7 @@ static int fimc_m2m_s_fmt_mplane(struct file *file, void *fh, static int fimc_m2m_g_selection(struct file *file, void *fh, struct v4l2_selection *s) { - struct fimc_ctx *ctx = fh_to_ctx(fh); + struct fimc_ctx *ctx = file_to_ctx(file); const struct fimc_frame *frame; frame = ctx_get_frame(ctx, s->type);
@@ -484,7 +484,7 @@ static int fimc_m2m_try_selection(struct fimc_ctx *ctx, static int fimc_m2m_s_selection(struct file *file, void *fh, struct v4l2_selection *s) { - struct fimc_ctx *ctx = fh_to_ctx(fh); + struct fimc_ctx *ctx = file_to_ctx(file); struct fimc_dev *fimc = ctx->fimc_dev; struct fimc_frame *f; int ret;
--
Regards,
Laurent Pinchart