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| author | Robert Baldyga <r.baldyga@samsung.com> | 2014-11-24 07:56:24 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-11-25 17:06:40 -0800 |
| commit | 57850a50c1f91c6136fe0b4b27301ebbe848b2ce (patch) | |
| tree | c051d9b56f07752911d9fc63f62dc8eb76050421 | |
| parent | 2f1ba72d23a2fa0cdcb4f034a059ce97e6a17696 (diff) | |
| download | linux-57850a50c1f91c6136fe0b4b27301ebbe848b2ce.tar.gz linux-57850a50c1f91c6136fe0b4b27301ebbe848b2ce.tar.bz2 linux-57850a50c1f91c6136fe0b4b27301ebbe848b2ce.zip | |
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@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/tty/serial/samsung.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c index 34db16715efc..7ed76773c274 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); |