1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/spi/spi_mpc83xx.c b/drivers/spi/spi_mpc83xx.c
index 9cdbc12278e5..bbd51bc88a60 100644
--- a/drivers/spi/spi_mpc83xx.c
+++ b/drivers/spi/spi_mpc83xx.c
@@ -158,6 +158,12 @@ static void mpc83xx_spi_chipselect(struct spi_device *spi, int value)
 
                 if ((mpc83xx_spi->sysclk / spi->max_speed_hz) >= 64) {
                         u8 pm = mpc83xx_spi->sysclk / (spi->max_speed_hz * 64);
+                        if (pm > 0x0f) {
+                                printk(KERN_WARNING "MPC83xx SPI: SPICLK can't be less then a SYSCLK/1024!\n"
+                                                "Requested SPICLK is %d Hz. Will use %d Hz instead.\n",
+                                                spi->max_speed_hz, mpc83xx_spi->sysclk / 1024);
+                                pm = 0x0f;
+                        }
                         regval |= SPMODE_PM(pm) | SPMODE_DIV16;
                 } else {
                         u8 pm = mpc83xx_spi->sysclk / (spi->max_speed_hz * 4);