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Reading an empty FIFO on the IP version used in TDA54 triggers a data abort. The interrupt storm this dummy read was meant to avoid no longer occurs on this version of the IP, so skip the read via a new quirk. Changes since v2: Link: https://lore.kernel.org/all/20260916085520.2259420-1-m-shah@ti.com/ - Drop the fixup being done for the clear_interrupts and shutdown of port. Reading an empty FIFO (by RBR) will be fine when the fifo is disabled[0]. In the case of clear_interrupts the issue is fixed by the following commit 7f8fdd4dbffc ("serial: 8250: fix panic due to PSLVERR") - Base this series on top of the following series[3]. [0]https://lore.kernel.org/linux-serial/ab256e4a-a9cc-410e-b889-f75fb01e77c7@picoheart.com/ [1]https://lore.kernel.org/linux-serial/20260908141524.20302-1-yang.yicong@picoheart.com/ [3]https://lore.kernel.org/linux-serial/20260908141524.20302-1-yang.yicong@picoheart.com/ Moteen Shah (2): dt-bindings: serial: snps-dw-apb-uart: Add ti,tda54-uart serial: 8250_dw: Add ti,tda54-uart quirk to skip empty FIFO read .../devicetree/bindings/serial/snps-dw-apb-uart.yaml | 1 + drivers/tty/serial/8250/8250_dw.c | 9 ++++++++- 2 files changed, 9 insertions(+), 1 deletion(-) -- 2.34.1