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Posts posted by Thomas
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You can modify /boo/dtb/*Banana*.dtb
use tool dtc extract *dtb to dos : sudo dtc -I dtb -O dts your_board.dtb -o your_borad.dts
open dos, and find 'pwm@'
like this
pwm@01c20e00 { compatible = "allwinner,sun7i-a20-pwm"; reg = <0x1c20e00 0xc>; clocks = <0xb>; #pwm-cells = <0x3>; status = "okay"; pinctrl-names = "default"; pinctrl-0 = <0x35 0x36>; };
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I'm glad that it finally worked.
udev, I guess? (based on comments in spidev.c and kernel spidev documentation)
dev = device_create(spidev_class, &spi->dev, spidev->devt, spidev, "spidev%d.%d", spi->master->bus_num, spi->chip_select);
bus_num: 32766
chip_select: 0
How about kpatch for kernel hot upgrade without reboot
in Advanced users - Development
Posted
From linux kernel 4.x, using patch to upgrade without reboot.
This is source: https://github.com/dynup/kpatch
Who had use it in arm, or have a tutorial?