diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2011-05-26 10:41:17 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-06-07 09:36:18 -0700 |
| commit | 0e2adc06843a9b5a28af4ca5f796240297907897 (patch) | |
| tree | 90e9cc20c82b8f13a602d381a1b0de0658df5148 /drivers/tty/serial/pch_uart.c | |
| parent | b9b24558f7d36c550b5cf0b550a8926f8c03cdbd (diff) | |
serial/pch: use global div helper instead of creating a private one
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/tty/serial/pch_uart.c')
| -rw-r--r-- | drivers/tty/serial/pch_uart.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c index f2cb7503fcb2..ae28250b0be0 100644 --- a/drivers/tty/serial/pch_uart.c +++ b/drivers/tty/serial/pch_uart.c @@ -14,6 +14,7 @@ *along with this program; if not, write to the Free Software *Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. */ +#include <linux/kernel.h> #include <linux/serial_reg.h> #include <linux/slab.h> #include <linux/module.h> @@ -137,8 +138,6 @@ enum { #define PCH_UART_DLL 0x00 #define PCH_UART_DLM 0x01 -#define DIV_ROUND(a, b) (((a) + ((b)/2)) / (b)) - #define PCH_UART_IID_RLS (PCH_UART_IIR_REI) #define PCH_UART_IID_RDR (PCH_UART_IIR_RRI) #define PCH_UART_IID_RDR_TO (PCH_UART_IIR_RRI | PCH_UART_IIR_TOI) @@ -316,7 +315,7 @@ static int pch_uart_hal_set_line(struct eg20t_port *priv, int baud, unsigned int dll, dlm, lcr; int div; - div = DIV_ROUND(priv->base_baud / 16, baud); + div = DIV_ROUND_CLOSEST(priv->base_baud / 16, baud); if (div < 0 || USHRT_MAX <= div) { dev_err(priv->port.dev, "Invalid Baud(div=0x%x)\n", div); return -EINVAL; |