diff options
| author | Ezequiel Garcia <ezequiel@collabora.com> | 2021-07-19 23:52:34 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2021-07-22 09:41:31 +0300 |
| commit | 96f33a5b325e630b31cde9a9393708f569a5f6ac (patch) | |
| tree | 3958453b4da6ccf0360d0aa12bdd0d97661015fc /drivers | |
| parent | 6ad61a7847da09b6261824accb539d05bcdfef65 (diff) | |
| download | linux-96f33a5b325e630b31cde9a9393708f569a5f6ac.tar.xz | |
media: hantro: Make struct hantro_variant.init() optional
The hantro_variant.init() function is there for platforms
to perform hardware-specific initialization, such as
clock rate bumping.
Not all platforms require it, so make it optional.
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Tested-by: Alex Bee <knaerzche@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/media/hantro/hantro.h | 4 | ||||
| -rw-r--r-- | drivers/staging/media/hantro/hantro_drv.c | 10 | ||||
| -rw-r--r-- | drivers/staging/media/hantro/sama5d4_vdec_hw.c | 6 |
3 files changed, 8 insertions, 12 deletions
diff --git a/drivers/staging/media/hantro/hantro.h b/drivers/staging/media/hantro/hantro.h index a70c386de6f1..c2e2dca38628 100644 --- a/drivers/staging/media/hantro/hantro.h +++ b/drivers/staging/media/hantro/hantro.h @@ -61,8 +61,8 @@ struct hantro_irq { * @num_postproc_fmts: Number of post-processor formats. * @codec: Supported codecs * @codec_ops: Codec ops. - * @init: Initialize hardware. - * @runtime_resume: reenable hardware after power gating + * @init: Initialize hardware, optional. + * @runtime_resume: reenable hardware after power gating, optional. * @irqs: array of irq names and interrupt handlers * @num_irqs: number of irqs in the array * @clk_names: array of clock names diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c index 31d8449ca1d2..9b5415176bfe 100644 --- a/drivers/staging/media/hantro/hantro_drv.c +++ b/drivers/staging/media/hantro/hantro_drv.c @@ -942,10 +942,12 @@ static int hantro_probe(struct platform_device *pdev) } } - ret = vpu->variant->init(vpu); - if (ret) { - dev_err(&pdev->dev, "Failed to init VPU hardware\n"); - return ret; + if (vpu->variant->init) { + ret = vpu->variant->init(vpu); + if (ret) { + dev_err(&pdev->dev, "Failed to init VPU hardware\n"); + return ret; + } } pm_runtime_set_autosuspend_delay(vpu->dev, 100); diff --git a/drivers/staging/media/hantro/sama5d4_vdec_hw.c b/drivers/staging/media/hantro/sama5d4_vdec_hw.c index 58ae72c2b723..9c3b8cd0b239 100644 --- a/drivers/staging/media/hantro/sama5d4_vdec_hw.c +++ b/drivers/staging/media/hantro/sama5d4_vdec_hw.c @@ -64,11 +64,6 @@ static const struct hantro_fmt sama5d4_vdec_fmts[] = { }, }; -static int sama5d4_hw_init(struct hantro_dev *vpu) -{ - return 0; -} - /* * Supported codec ops. */ @@ -109,7 +104,6 @@ const struct hantro_variant sama5d4_vdec_variant = { .codec = HANTRO_MPEG2_DECODER | HANTRO_VP8_DECODER | HANTRO_H264_DECODER, .codec_ops = sama5d4_vdec_codec_ops, - .init = sama5d4_hw_init, .irqs = sama5d4_irqs, .num_irqs = ARRAY_SIZE(sama5d4_irqs), .clk_names = sama5d4_clk_names, |