2 files changed, 10 insertions, 11 deletions

diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 24110f6f61e0..c9e86deba5e3 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -241,7 +241,8 @@ static const struct serial8250_config uart_config[] = {
                 .fifo_size      = 128,
                 .tx_loadsz      = 128,
                 .fcr            = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
-                .flags          = UART_CAP_FIFO | UART_CAP_EFR | UART_CAP_SLEEP,
+                /* UART_CAP_EFR breaks billionon CF bluetooth card. */
+                .flags          = UART_CAP_FIFO | UART_CAP_SLEEP,
         },
         [PORT_16654] = {
                 .name           = "ST16654",
diff --git a/drivers/serial/mfd.c b/drivers/serial/mfd.c
index 5dff45c76d32..f083f7c90c29 100644
--- a/drivers/serial/mfd.c
+++ b/drivers/serial/mfd.c
@@ -892,8 +892,7 @@ serial_hsu_set_termios(struct uart_port *port, struct ktermios *termios,
         unsigned char cval, fcr = 0;
         unsigned long flags;
         unsigned int baud, quot;
-        u32 mul = 0x3600;
-        u32 ps = 0x10;
+        u32 ps, mul;
 
         switch (termios->c_cflag & CSIZE) {
         case CS5:
@@ -937,20 +936,19 @@ serial_hsu_set_termios(struct uart_port *port, struct ktermios *termios,
                 ps = 0xC;
                 quot = 1;
                 break;
-        case 2500000:
-                mul = 0x2710;
-                ps = 0x10;
-                quot = 1;
-                break;
         case 18432000:
                 mul = 0x2400;
                 ps = 0x10;
                 quot = 1;
                 break;
+        case 3000000:
+        case 2500000:
+        case 2000000:
         case 1500000:
-                mul = 0x1D4C;
-                ps = 0xc;
-                quot = 1;
+        case 1000000:
+        case 500000:
+                /* mul/ps/quot = 0x9C4/0x10/0x1 will make a 500000 bps */
+                mul = baud / 500000 * 0x9C4;
                 break;
         default:
                 ;