On 07/08/2016 02:18 PM, Andi Shyti wrote:
> Patch a9e93e8 has erroneously removed some comments which are
> important to understand why the bus frequency is multiplied by
> two during the spi transfer.
>
> Signed-off-by: Andi Shyti <andi.shyti@xxxxxxxxxxx>
> ---
> drivers/spi/spi-s3c64xx.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
> index 1874bc5..d1fe100 100644
> --- a/drivers/spi/spi-s3c64xx.c
> +++ b/drivers/spi/spi-s3c64xx.c
> @@ -639,6 +639,8 @@ 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) {
> + /* Configure Clock */
> + /* There is half-multiplier before the SPI */
Not a kernel coding style comment. :) Either proper one or just skip the
"configure clock" as it is meaningless.
BR,
Krzysztof
> clk_set_rate(sdd->src_clk, sdd->cur_speed * 2);
> } else {
> /* Configure Clock */
>
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