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Date: Mon, 24 Nov 2014 07:56:24 +0100 From: Robert Baldyga <r.baldyga@...sung.com> To: gregkh@...uxfoundation.org Cc: akpm@...ux-foundation.org, jslaby@...e.cz, linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org, m.szyprowski@...sung.com, Robert Baldyga <r.baldyga@...sung.com> Subject: [PATCH 4/4] 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: Robert Baldyga <r.baldyga@...sung.com> --- drivers/tty/serial/samsung.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c index 8808490..c622cf1 100644 --- a/drivers/tty/serial/samsung.c +++ b/drivers/tty/serial/samsung.c @@ -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); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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