drivers: serial: uart_sam: Fix irq_update API function
The `irq_update` UART API function must always return 1 according to the API documentations. This commit fixes the `irq_update` API function to unconditionally return `1`. Signed-off-by: Stephanos Ioannidis <root@stephanos.io>
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1 changed files with 2 additions and 2 deletions
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@ -315,9 +315,9 @@ static int uart_sam_irq_is_pending(struct device *dev)
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static int uart_sam_irq_update(struct device *dev)
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{
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volatile Uart * const uart = DEV_CFG(dev)->regs;
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ARG_UNUSED(dev);
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return (uart->UART_SR & UART_SR_TXEMPTY);
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return 1;
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}
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static void uart_sam_irq_callback_set(struct device *dev,
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