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Commit 57850a50 authored by Robert Baldyga's avatar Robert Baldyga Committed by Greg Kroah-Hartman
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serial: samsung: use port->fifosize instead of hardcoded values 



Hardcoded FIFO size can cause hardware performance limitation.
Using real size value provides better FIFO usage.

Signed-off-by: default avatarRobert Baldyga <r.baldyga@samsung.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 2f1ba72d

drivers/tty/serial/samsung.c

+2 −2
Original line number Diff line number Diff line
@@ -239,7 +239,7 @@ s3c24xx_serial_rx_chars(int irq, void *dev_id) 
	struct uart_port *port = &ourport->port;

	unsigned int ufcon, ch, flag, ufstat, uerstat;

	unsigned long flags;

	int max_count = 64;

	int max_count = port->fifosize;



	spin_lock_irqsave(&port->lock, flags);
@@ -330,7 +330,7 @@ static irqreturn_t s3c24xx_serial_tx_chars(int irq, void *id) 
	struct uart_port *port = &ourport->port;

	struct circ_buf *xmit = &port->state->xmit;

	unsigned long flags;

	int count = 256;

	int count = port->fifosize;



	spin_lock_irqsave(&port->lock, flags);