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serial/pch: use global div helper instead of creating a private one

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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>
This commit is contained in:
Uwe Kleine-König 2011-05-26 10:41:17 +02:00 committed by Greg Kroah-Hartman
parent b9b24558f7
commit 0e2adc0684
1 changed files with 2 additions and 3 deletions
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5
drivers/tty/serial/pch_uart.c
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@ -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;