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Revert "Kernel: Keep reading from i8042 until the buffer is empty"

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This reverts commit 467f6c74a4.
This commit is contained in:
Tom 2020-11-14 13:45:34 -07:00 • committed by Andreas Kling
parent 467f6c74a4
commit 13383f3267
1 changed files with 7 additions and 9 deletions
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16
Kernel/Devices/I8042Controller.cpp
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@ -149,15 +149,13 @@ void I8042Controller::irq_process_input_buffer(Device)
{ {
ASSERT(Processor::current().in_irq()); ASSERT(Processor::current().in_irq());
for (;;) { u8 status = IO::in8(I8042_STATUS);
u8 status = IO::in8(I8042_STATUS); if (!(status & I8042_BUFFER_FULL))
if (!(status & I8042_BUFFER_FULL)) return;
return; Device data_for_device = ((status & I8042_WHICH_BUFFER) == I8042_MOUSE_BUFFER) ? Device::Mouse : Device::Keyboard;
Device data_for_device = ((status & I8042_WHICH_BUFFER) == I8042_MOUSE_BUFFER) ? Device::Mouse : Device::Keyboard; u8 byte = IO::in8(I8042_BUFFER);
u8 byte = IO::in8(I8042_BUFFER); if (auto* device = m_devices[data_for_device == Device::Keyboard ? 0 : 1].device)
if (auto* device = m_devices[data_for_device == Device::Keyboard ? 0 : 1].device) device->irq_handle_byte_read(byte);
device->irq_handle_byte_read(byte);
}
} }
void I8042Controller::do_drain() void I8042Controller::do_drain()