openwrt/target/linux/bcm27xx/patches-6.1/950-1000-media-rp1-fe-Use-0-not-1-when-working-with-unsigned-.patch
Marty Jones 2e715fb4fc bcm27xx: update 6.1 patches to latest version
Add support for BCM2712 (Raspberry Pi 5).
3bb5880ab3
Patches were generated from the diff between linux kernel branch linux-6.1.y
and rpi-6.1.y from raspberry pi kernel source:
- git format-patch linux-6.1.y...rpi-6.1.y

Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2710/RPi3B, bcm2711/RPi4B

Signed-off-by: Marty Jones <mj8263788@gmail.com>
[Remove applied and reverted patches, squash patches and config commits]
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2024-01-25 17:46:45 +01:00

34 lines
1.3 KiB
Diff

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