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It's quite unlikely that another page size will be supported,
but in any case there is still an inconsistency between custom
page size definition and generic macros used in the driver.
Switch over to the generic PAGE_SIZE for sake of the consistency.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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This constant is used in several places in the code, define it
for better maintenance.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Removed redundant CIO2_IMAGE_MAX_* definitions
Fixes: c2a6a07afe4a ("media: intel-ipu3: cio2: add new MIPI-CSI2 driver")
Signed-off-by: Rajmohan Mani <rajmohan.mani@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Adopt SPDX license headers for ipu3 cio2 driver.
Signed-off-by: Yong Zhi <yong.zhi@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The driver apparently assumes that the device uses the same page size
as the CPU, but also assumes that this is 4096 bytes. On architectures
with a larger page size like 65536 bytes, we get a warning about an
integer overflow:
drivers/media/pci/intel/ipu3/ipu3-cio2.c: In function 'cio2_fbpt_entry_init_dummy':
arch/arm64/include/asm/page-def.h:28:20: error: large integer implicitly truncated to unsigned type [-Werror=overflow]
#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
^
drivers/media/pci/intel/ipu3/ipu3-cio2.h:404:26: note: in expansion of macro 'PAGE_SIZE'
#define CIO2_PAGE_SIZE PAGE_SIZE
^~~~~~~~~
drivers/media/pci/intel/ipu3/ipu3-cio2.c:172:3: note: in expansion of macro 'CIO2_PAGE_SIZE'
CIO2_PAGE_SIZE / sizeof(u32) * CIO2_MAX_LOPS;
Obviously this won't work, but the driver is also unlikely to ever be
used on such an architecture, so the easiest workaround is to define
the CIO2_PAGE_SIZE macro to the size that the hardware actually uses.
Fixes: c2a6a07afe4a ("media: intel-ipu3: cio2: add new MIPI-CSI2 driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This patch adds CIO2 CSI-2 device driver for
Intel's IPU3 camera sub-system support.
Signed-off-by: Yong Zhi <yong.zhi@intel.com>
Signed-off-by: Hyungwoo Yang <hyungwoo.yang@intel.com>
Signed-off-by: Rajmohan Mani <rajmohan.mani@intel.com>
Signed-off-by: Vijaykumar Ramya <ramya.vijaykumar@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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