serial: 8250: Fix typos in comments across various files

This patch fixes several typos in the comments within the tty/8250
directory to improve readability and code documentation.

Detected using codespell.

Signed-off-by: Yu Jiaoliang <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Reviewed-by: AngeloGioacchino Del Regno <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: Yu Jiaoliang

drivers/tty/serial/8250/8250_bcm7271.c

@@ -812,7 +812,7 @@ static int brcmuart_handle_irq(struct uart_port *p)
 			/*
 			 * if Receive Data Interrupt is enabled and
 			 * we're uing hardware flow control, deassert
-			 * RTS and wait for any chars in the pipline to
+			 * RTS and wait for any chars in the pipeline to
 			 * arrive and then check for DR again.
 			 */
 			if ((ier & UART_IER_RDI) && (up->mcr & UART_MCR_AFE)) {

drivers/tty/serial/8250/8250_exar.c

@@ -362,7 +362,7 @@ static u16 exar_ee_read(struct exar8250 *priv, u8 ee_addr)
  * @priv: Device's private structure
  * @mpio_num: MPIO number/offset to configure
  *
- * Configure a single MPIO as an output and disable tristate. It is reccomended
+ * Configure a single MPIO as an output and disable tristate. It is recommended
  * to set the level with exar_mpio_set_high()/exar_mpio_set_low() prior to
  * calling this function to ensure default MPIO pin state.
  *
@@ -518,7 +518,7 @@ static int xr17v35x_startup(struct uart_port *port)
 	serial_port_out(port, UART_XR_EFR, UART_EFR_ECB);
 
 	/*
-	 * Make sure all interrups are masked until initialization is
+	 * Make sure all interrupts are masked until initialization is
 	 * complete and the FIFOs are cleared
 	 *
 	 * Synchronize UART_IER access against the console.

drivers/tty/serial/8250/8250_fintek.c

@@ -125,7 +125,7 @@ static int fintek_8250_enter_key(u16 base_port, u8 key)
 	if (!request_muxed_region(base_port, 2, "8250_fintek"))
 		return -EBUSY;
 
-	/* Force to deactive all SuperIO in this base_port */
+	/* Force to deactivate all SuperIO in this base_port */
 	outb(EXIT_KEY, base_port + ADDR_PORT);
 
 	outb(key, base_port + ADDR_PORT);

drivers/tty/serial/8250/8250_mtk.c

@@ -346,8 +346,8 @@ mtk8250_set_termios(struct uart_port *port, struct ktermios *termios,
 	/*
 	 * Mediatek UARTs use an extra highspeed register (MTK_UART_HIGHS)
 	 *
-	 * We need to recalcualte the quot register, as the claculation depends
-	 * on the vaule in the highspeed register.
+	 * We need to recalculate the quot register, as the calculation depends
+	 * on the value in the highspeed register.
 	 *
 	 * Some baudrates are not supported by the chip, so we use the next
 	 * lower rate supported and update termios c_flag.

drivers/tty/serial/8250/8250_omap.c

@@ -1304,7 +1304,7 @@ static void am654_8250_handle_rx_dma(struct uart_8250_port *up, u8 iir,
 
 /*
  * This is mostly serial8250_handle_irq(). We have a slightly different DMA
- * hoook for RX/TX and need different logic for them in the ISR. Therefore we
+ * hook for RX/TX and need different logic for them in the ISR. Therefore we
  * use the default routine in the non-DMA case and this one for with DMA.
  */
 static int omap_8250_dma_handle_irq(struct uart_port *port)
@@ -1338,7 +1338,7 @@ static int omap_8250_dma_handle_irq(struct uart_port *port)
 			serial8250_tx_chars(up);
 		} else  {
 			/*
-			 * try again due to an earlier failer which
+			 * try again due to an earlier failure which
 			 * might have been resolved by now.
 			 */
 			if (omap_8250_tx_dma(up))