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spi: cadence_qspi: Better debug information on the SPI clock rate

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Show what the output clock rate actually is.

Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
This commit is contained in:
Phil Edworthy 2016-11-29 12:58:28 +00:00 committed by Jagan Teki
parent 32068c42a7
commit 0ceb4d9e9a
1 changed files with 3 additions and 3 deletions
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6
drivers/spi/cadence_qspi_apb.c
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@ -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);