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: c2a6a07afe ("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>
883dd4c1b8