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136 lines
4.6 KiB
Diff
136 lines
4.6 KiB
Diff
From dfcc0395f5e838c0b5c3fb93c9335b6a8892178a Mon Sep 17 00:00:00 2001
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From: Eugen Hristev <eugen.hristev@microchip.com>
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Date: Mon, 5 Jul 2021 14:57:08 +0200
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Subject: [PATCH 190/247] media: atmel: fix build when ISC=m and XISC=y
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Building VIDEO_ATMEL_ISC as module and VIDEO_ATMEL_XISC as built-in
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(or viceversa) causes build errors:
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or1k-linux-ld: drivers/media/platform/atmel/atmel-isc-base.o: in function `isc_async_complete':
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atmel-isc-base.c:(.text+0x40d0): undefined reference to `__this_module'
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or1k-linux-ld: atmel-isc-base.c:(.text+0x40f0): undefined reference to `__this_module'
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or1k-linux-ld: drivers/media/platform/atmel/atmel-isc-base.o:(.rodata+0x390): undefined reference to `__this_module'
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or1k-linux-ld: drivers/media/platform/atmel/atmel-isc-base.o:(__param+0x4): undefined reference to `__this_module'
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or1k-linux-ld: drivers/media/platform/atmel/atmel-isc-base.o:(__param+0x18): undefined reference to `__this_module'
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This is caused by the file atmel-isc-base.c which is common code between
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the two drivers.
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The solution is to create another Kconfig symbol that is automatically
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selected and generates the module atmel-isc-base.ko. This module can be
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loaded when both drivers are modules, or built-in when at least one of them
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is built-in.
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Reported-by: kernel test robot <lkp@intel.com>
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Fixes: c9aa973884a1 ("media: atmel: atmel-isc: add microchip-xisc driver")
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Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
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Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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---
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drivers/media/platform/atmel/Kconfig | 8 ++++++++
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drivers/media/platform/atmel/Makefile | 5 +++--
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drivers/media/platform/atmel/atmel-isc-base.c | 11 +++++++++++
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3 files changed, 22 insertions(+), 2 deletions(-)
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--- a/drivers/media/platform/atmel/Kconfig
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+++ b/drivers/media/platform/atmel/Kconfig
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@@ -8,6 +8,7 @@ config VIDEO_ATMEL_ISC
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select VIDEOBUF2_DMA_CONTIG
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select REGMAP_MMIO
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select V4L2_FWNODE
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+ select VIDEO_ATMEL_ISC_BASE
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help
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This module makes the ATMEL Image Sensor Controller available
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as a v4l2 device.
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@@ -19,10 +20,17 @@ config VIDEO_ATMEL_XISC
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select VIDEOBUF2_DMA_CONTIG
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select REGMAP_MMIO
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select V4L2_FWNODE
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+ select VIDEO_ATMEL_ISC_BASE
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help
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This module makes the ATMEL eXtended Image Sensor Controller
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available as a v4l2 device.
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+config VIDEO_ATMEL_ISC_BASE
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+ tristate
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+ default n
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+ help
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+ ATMEL ISC and XISC common code base.
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+
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config VIDEO_ATMEL_ISI
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tristate "ATMEL Image Sensor Interface (ISI) support"
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depends on VIDEO_V4L2 && OF
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--- a/drivers/media/platform/atmel/Makefile
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+++ b/drivers/media/platform/atmel/Makefile
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@@ -1,7 +1,8 @@
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# SPDX-License-Identifier: GPL-2.0-only
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-atmel-isc-objs = atmel-sama5d2-isc.o atmel-isc-base.o
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-atmel-xisc-objs = atmel-sama7g5-isc.o atmel-isc-base.o
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+atmel-isc-objs = atmel-sama5d2-isc.o
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+atmel-xisc-objs = atmel-sama7g5-isc.o
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obj-$(CONFIG_VIDEO_ATMEL_ISI) += atmel-isi.o
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+obj-$(CONFIG_VIDEO_ATMEL_ISC_BASE) += atmel-isc-base.o
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obj-$(CONFIG_VIDEO_ATMEL_ISC) += atmel-isc.o
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obj-$(CONFIG_VIDEO_ATMEL_XISC) += atmel-xisc.o
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--- a/drivers/media/platform/atmel/atmel-isc-base.c
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+++ b/drivers/media/platform/atmel/atmel-isc-base.c
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@@ -378,6 +378,7 @@ int isc_clk_init(struct isc_device *isc)
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return 0;
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}
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+EXPORT_SYMBOL_GPL(isc_clk_init);
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void isc_clk_cleanup(struct isc_device *isc)
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{
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@@ -392,6 +393,7 @@ void isc_clk_cleanup(struct isc_device *
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clk_unregister(isc_clk->clk);
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}
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}
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+EXPORT_SYMBOL_GPL(isc_clk_cleanup);
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static int isc_queue_setup(struct vb2_queue *vq,
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unsigned int *nbuffers, unsigned int *nplanes,
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@@ -1575,6 +1577,7 @@ irqreturn_t isc_interrupt(int irq, void
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return ret;
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}
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+EXPORT_SYMBOL_GPL(isc_interrupt);
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static void isc_hist_count(struct isc_device *isc, u32 *min, u32 *max)
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{
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@@ -2209,6 +2212,7 @@ const struct v4l2_async_notifier_operati
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.unbind = isc_async_unbind,
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.complete = isc_async_complete,
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};
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+EXPORT_SYMBOL_GPL(isc_async_ops);
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void isc_subdev_cleanup(struct isc_device *isc)
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{
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@@ -2221,6 +2225,7 @@ void isc_subdev_cleanup(struct isc_devic
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INIT_LIST_HEAD(&isc->subdev_entities);
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}
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+EXPORT_SYMBOL_GPL(isc_subdev_cleanup);
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int isc_pipeline_init(struct isc_device *isc)
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{
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@@ -2261,6 +2266,7 @@ int isc_pipeline_init(struct isc_device
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return 0;
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}
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+EXPORT_SYMBOL_GPL(isc_pipeline_init);
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/* regmap configuration */
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#define ATMEL_ISC_REG_MAX 0xd5c
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@@ -2270,4 +2276,9 @@ const struct regmap_config isc_regmap_co
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.val_bits = 32,
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.max_register = ATMEL_ISC_REG_MAX,
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};
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+EXPORT_SYMBOL_GPL(isc_regmap_config);
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+MODULE_AUTHOR("Songjun Wu");
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+MODULE_AUTHOR("Eugen Hristev");
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+MODULE_DESCRIPTION("Atmel ISC common code base");
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+MODULE_LICENSE("GPL v2");
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