[PATCH v3 02/10] hantro: Make struct hantro_variant.init() optional
From: Ezequiel Garcia <hidden>
Date: 2021-07-19 21:56:49
Also in:
linux-media, linux-rockchip
Subsystem:
media input infrastructure (v4l/dvb), staging subsystem, the rest · Maintainers:
Mauro Carvalho Chehab, Greg Kroah-Hartman, Linus Torvalds
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 <redacted> Tested-by: Alex Bee <redacted> --- drivers/staging/media/hantro/hantro.h | 4 ++-- drivers/staging/media/hantro/hantro_drv.c | 10 ++++++---- 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,
--
2.32.0