spi: s3c64xx: restore removed comments

Patch a9e93e8 has erroneously removed some comments which are
important to understand why the bus frequency is multiplied by
two during the spi transfer.

Reword the previous comment to a more appropriate message.

Suggested-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Reviewed-by: Michael Turquette <mturquette@baylibre.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index a1e84686c70c4ce7e19ccc8d222ecd44dca4c301..3c09e94cf827f63b20f9e53d4523cbdaeba7718d 100644 (file)
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -642,6 +642,7 @@ static void s3c64xx_spi_config(struct s3c64xx_spi_driver_data *sdd)
        writel(val, regs + S3C64XX_SPI_MODE_CFG);
 
        if (sdd->port_conf->clk_from_cmu) {
+               /* The src_clk clock is divided internally by 2 */
                clk_set_rate(sdd->src_clk, sdd->cur_speed * 2);
        } else {
                /* Configure Clock */