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Kernel: Increase i8042 timeout when writing and reading from device
This proved to be crucial on my ICH7 test machine because it takes a bit more time to do IO on its i8042 controller.
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@ -292,8 +292,8 @@ ErrorOr<u8> I8042Controller::do_write_to_device(HIDDevice::Type device, u8 data)
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IO::out8(I8042Port::Buffer, data);
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response = TRY(do_wait_then_read(I8042Port::Buffer));
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} while (response == I8042Response::Resend && ++attempts < 3);
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if (attempts >= 3)
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} while (response == I8042Response::Resend && ++attempts < 250);
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if (attempts >= 250)
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dbgln("Failed to write byte to device, gave up");
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return response;
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}
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@ -310,7 +310,7 @@ ErrorOr<void> I8042Controller::prepare_for_input(HIDDevice::Type device)
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{
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VERIFY(m_lock.is_locked());
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u8 const second_port_flag = device == HIDDevice::Type::Keyboard ? 0 : I8042StatusFlag::SecondPS2PortOutputBuffer;
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for (int attempt = 0; attempt < 250; attempt++) {
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for (int attempt = 0; attempt < 1000; attempt++) {
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u8 status = IO::in8(I8042Port::Status);
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if (!(status & I8042StatusFlag::OutputBuffer)) {
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IO::delay(1000);
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