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i2c failing to initialize and detect devices

23

### Describe the bug The i2c bus fails to detect and communicate with connected i2c devices. Dmesg output: [ 1.878285] i2c_dev: i2c /dev entries driver [ 2.368416] brcmstb-i2c 107d508200.i2c: @97500hz...

EdgarSouSousa

brcmfmac: brcmf_set_channel: set chanspec fail, reason -52

133

### Describe the bug I used the rpi5 with Mcuzone MPS2280P hat for SSD, I booted the archlinux arm from nvme SSD with linux-rpi. RPi 5 still suddenly disconnects the...

starsareintherose

A pulse in ACK signal stops I2C communcation on Pi 5 with kernel 6.6.20

11

### Describe the bug When I used AQM0802-based LCD on Pi 5 with kernel 6.6.20, it often stops responding to the command, and then it shows nothing on LCD.To make...

neuralassembly

RPI5: usb x-x: cmd cmplt err -71 Error with different USB Disks

8

### Describe the bug After as short time (20-60 minutes) USB-disks (a Seagate HDD and a JMicron SSD) run into errors and disconnect. First entry in journalctl is: `Mar 20...

RolandFelnhofer

i2c_designware 1f00074000.i2c: controller timed out with 2024-03-12 bookworm

3

### Describe the bug dmesg errors with 2024-03-12 bookworm ```` [44742.269462] i2c_designware 1f00074000.i2c: controller timed out [44743.293457] i2c_designware 1f00074000.i2c: controller timed out [44744.317464] i2c_designware 1f00074000.i2c: controller timed out [44745.341468] i2c_designware...

mgrouch

Pispbe/rpi 6.7.y/be unsquashed

13

NOT FOR MERGE only for review. Un-squashed list of changes to the BE driver to prepare for upstreaming for earlier review/comments. Mostly cosmetics, apart from a few commits that rework...

jmondi

Implements the selection-api for the imx219 driver and related fixes for the bcm2835-unicam driver. Includes changes from https://github.com/raspberrypi/linux/pull/5807

vvarma

subdev drivers that use the v4l2-core for for state management, need the same active/try state passed in for the pad ops.

vvarma

Pi 5 and soundcards - problems and solutions

49

### Describe the bug This issue is meant to be a common place to discuss the changes required for I2S support on Pi 5. Existing issues that cover this area...

pelwell

CMA initialisation fails with 64k page-size

3

### Describe the bug When booting the 6.1.73 kernel (from `stable_20240124`) on an 8GB CM4 with 4k page-size, the early boot messages read: ``` Reserved memory: created CMA memory pool...

srcshelton