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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-08-21 10:54:34 +0200 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-08-21 19:07:07 +0200 |
commit | 8299d1f057439f94c6a4412e2e5c5082b82a30c9 (patch) | |
tree | 1bf678d61f11f7394493be464c7876e496f7faed /target/linux/bcm27xx/patches-5.10/950-0245-media-bcm2835-unicam-Always-service-interrupts.patch | |
parent | 33b6885975ce376ff075362b7f0890326043111b (diff) | |
download | upstream-8299d1f057439f94c6a4412e2e5c5082b82a30c9.tar.gz upstream-8299d1f057439f94c6a4412e2e5c5082b82a30c9.tar.bz2 upstream-8299d1f057439f94c6a4412e2e5c5082b82a30c9.zip |
bcm27xx: add kernel 5.10 support
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted
patches, wireless patches and defconfig patches.
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 4B v1.1 4G
bcm2711: boot tested on RPi 4B v1.1 4G
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0245-media-bcm2835-unicam-Always-service-interrupts.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0245-media-bcm2835-unicam-Always-service-interrupts.patch | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0245-media-bcm2835-unicam-Always-service-interrupts.patch b/target/linux/bcm27xx/patches-5.10/950-0245-media-bcm2835-unicam-Always-service-interrupts.patch new file mode 100644 index 0000000000..f863e4694f --- /dev/null +++ b/target/linux/bcm27xx/patches-5.10/950-0245-media-bcm2835-unicam-Always-service-interrupts.patch @@ -0,0 +1,51 @@ +From 320838e297c604a51ae37e6e55983c880ced9f42 Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.com> +Date: Wed, 13 May 2020 18:28:27 +0100 +Subject: [PATCH] media: bcm2835-unicam: Always service interrupts + +From when bringing up the driver, there was a check in the isr +to ignore interrupts (claiming them handled) should the driver +not be streaming. + +The VPU now will not register a camera driver if it finds a +CSI2 node enabled in device tree, therefore this flawed check is +redundant. + +https://github.com/raspberrypi/linux/issues/3602 + +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> +--- + drivers/media/platform/bcm2835/bcm2835-unicam.c | 15 --------------- + 1 file changed, 15 deletions(-) + +--- a/drivers/media/platform/bcm2835/bcm2835-unicam.c ++++ b/drivers/media/platform/bcm2835/bcm2835-unicam.c +@@ -766,12 +766,6 @@ static int unicam_all_nodes_streaming(st + return ret; + } + +-static int unicam_all_nodes_disabled(struct unicam_device *dev) +-{ +- return !dev->node[IMAGE_PAD].streaming && +- !dev->node[METADATA_PAD].streaming; +-} +- + static void unicam_queue_event_sof(struct unicam_device *unicam) + { + struct v4l2_event event = { +@@ -801,15 +795,6 @@ static irqreturn_t unicam_isr(int irq, v + u64 ts; + int i; + +- /* +- * Don't service interrupts if not streaming. +- * Avoids issues if the VPU should enable the +- * peripheral without the kernel knowing (that +- * shouldn't happen, but causes issues if it does). +- */ +- if (unicam_all_nodes_disabled(unicam)) +- return IRQ_HANDLED; +- + sta = reg_read(cfg, UNICAM_STA); + /* Write value back to clear the interrupts */ + reg_write(cfg, UNICAM_STA, sta); |