update kernel to 5.10.198

hc

2024-01-03 2f7c68cb55ecb7331f2381deb497c27155f32faf

 kernel/drivers/tty/serial/amba-pl011.c
..
..
@@ -1048,6 +1048,9 @@
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  */
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 static inline void pl011_dma_rx_stop(struct uart_amba_port *uap)
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 {
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+	if (!uap->using_rx_dma)
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+		return;
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+
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 	/* FIXME.  Just disable the DMA enable */
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 	uap->dmacr &= ~UART011_RXDMAE;
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 	pl011_write(uap->dmacr, uap, REG_DMACR);
..
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@@ -1757,8 +1760,17 @@
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 static void pl011_unthrottle_rx(struct uart_port *port)
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 {
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 	struct uart_amba_port *uap = container_of(port, struct uart_amba_port, port);
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+	unsigned long flags;
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-	pl011_enable_interrupts(uap);
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+	spin_lock_irqsave(&uap->port.lock, flags);
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+
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+	uap->im = UART011_RTIM;
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+	if (!pl011_dma_rx_running(uap))
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+		uap->im |= UART011_RXIM;
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+
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+	pl011_write(uap->im, uap, REG_IMSC);
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+
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+	spin_unlock_irqrestore(&uap->port.lock, flags);
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 }
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 static int pl011_startup(struct uart_port *port)