Re: [U-Boot] [PATCH v3 03/11] spi: cadence_qspi: Better debug information on the SPI clock rate

[Jagan Teki]

On Tue, Nov 29, 2016 at 6:28 PM, Phil Edworthy
 wrote:
> Show what the output clock rate actually is.
>
> Signed-off-by: Phil Edworthy 
> Acked-by: Marek Vasut 

Reviewed-by: Jagan Teki 

thanks!
-- 
Jagan Teki
Free Software Engineer | www.openedev.com
U-Boot, Linux | Upstream Maintainer
Hyderabad, India.
___
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot

[U-Boot] [PATCH v3 03/11] spi: cadence_qspi: Better debug information on the SPI clock rate

[Phil Edworthy]

Show what the output clock rate actually is.

Signed-off-by: Phil Edworthy 
Acked-by: Marek Vasut 
---
 v3:
  - No change.
 v2:
  - No change.
---
 drivers/spi/cadence_qspi_apb.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/spi/cadence_qspi_apb.c b/drivers/spi/cadence_qspi_apb.c
index b5c664f..0a2963d 100644
--- a/drivers/spi/cadence_qspi_apb.c
+++ b/drivers/spi/cadence_qspi_apb.c
@@ -280,13 +280,13 @@ void cadence_qspi_apb_config_baudrate_div(void *reg_base,
 */
div = DIV_ROUND_UP(ref_clk_hz, sclk_hz * 2) - 1;
 
-   debug("%s: ref_clk %dHz sclk %dHz Div 0x%x\n", __func__,
- ref_clk_hz, sclk_hz, div);
-
/* ensure the baud rate doesn't exceed the max value */
if (div > CQSPI_REG_CONFIG_BAUD_MASK)
div = CQSPI_REG_CONFIG_BAUD_MASK;
 
+   debug("%s: ref_clk %dHz sclk %dHz Div 0x%x, actual %dHz\n", __func__,
+ ref_clk_hz, sclk_hz, div, ref_clk_hz / (2 * (div + 1)));
+
reg |= (div << CQSPI_REG_CONFIG_BAUD_LSB);
writel(reg, reg_base + CQSPI_REG_CONFIG);
 
-- 
2.7.4

___
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot