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media: ipu3-cio2: Use macros from mm.h 

There are few nice macros in mm.h, some of which we may use here.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Andy Shevchenko 2020-10-28 16:55:20 +01:00 committed by Mauro Carvalho Chehab
parent 9463e07df8
commit a25ba1021a
1 changed files with 3 additions and 3 deletions
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6
drivers/media/pci/intel/ipu3/ipu3-cio2.c
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@ -14,6 +14,7 @@
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/iopoll.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/pfn.h>
@ -194,9 +195,8 @@ static void cio2_fbpt_entry_init_buf(struct cio2_device *cio2,
* 4095 (PAGE_SIZE - 1) means every single byte in the last page
* is available for DMA transfer.
*/
entry[1].second_entry.last_page_available_bytes =
(remaining & ~PAGE_MASK) ?
(remaining & ~PAGE_MASK) - 1 : PAGE_SIZE - 1;
remaining = offset_in_page(remaining) ?: PAGE_SIZE;
entry[1].second_entry.last_page_available_bytes = remaining - 1;
/* Fill FBPT */
remaining = length;
i = 0;