target/linux/bcm27xx/patches-6.1/950-1000-media-rp1-fe-Use-0-not-1-when-working-with-unsigned-.patch

   1 From 455c4ae2c70348a5842835d2f67f7cd8e665a2a6 Mon Sep 17 00:00:00 2001
   2 From: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
   3 Date: Thu, 21 Sep 2023 16:03:07 +0300
   4 Subject: [PATCH] media: rp1: fe: Use ~0, not -1, when working with unsigned
   5  values
   6
   7 Use ~0, not -1, when working with unsigned values (-1 is not unsigned).
   8
   9 Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
  10 ---
  11  drivers/media/platform/raspberrypi/rp1_cfe/pisp_fe.c | 4 ++--
  12  1 file changed, 2 insertions(+), 2 deletions(-)
  13
  14 --- a/drivers/media/platform/raspberrypi/rp1_cfe/pisp_fe.c
  15 +++ b/drivers/media/platform/raspberrypi/rp1_cfe/pisp_fe.c
  16 @@ -372,7 +372,7 @@ void pisp_fe_submit_job(struct pisp_fe_d
  17  void pisp_fe_start(struct pisp_fe_device *fe)
  18  {
  19         pisp_fe_reg_write(fe, FE_CONTROL, FE_CONTROL_RESET);
  20 -       pisp_fe_reg_write(fe, FE_INT_STATUS, -1);
  21 +       pisp_fe_reg_write(fe, FE_INT_STATUS, ~0);
  22         pisp_fe_reg_write(fe, FE_INT_EN, FE_INT_EOF | FE_INT_SOF | FE_INT_LINES0 | FE_INT_LINES1);
  23         fe->inframe_count = 0;
  24  }
  25 @@ -383,7 +383,7 @@ void pisp_fe_stop(struct pisp_fe_device
  26         pisp_fe_reg_write(fe, FE_CONTROL, FE_CONTROL_ABORT);
  27         usleep_range(1000, 2000);
  28         WARN_ON(pisp_fe_reg_read(fe, FE_STATUS));
  29 -       pisp_fe_reg_write(fe, FE_INT_STATUS, -1);
  30 +       pisp_fe_reg_write(fe, FE_INT_STATUS, ~0);
  31  }
  32
  33  static struct pisp_fe_device *to_pisp_fe_device(struct v4l2_subdev *subdev)