The ssp struct has a clock rate field, to provide the actual value, in Hz,
of the SSP output clock (the rate of SSP_SCK) after mxs_ssp_set_clk_rate()
is called. It should be read-only, except for mxs_ssp_set_clk_rate().
For some reason the spi-mxs driver decides to write to this field on init,
and sets it to the value of the SSP input clock (clk_sspN, from the MXS
clocking block) in kHz. It shouldn't be setting the value, and certainly
shouldn't be setting it with the wrong clock in the wrong units.
Signed-off-by: Trent Piepho <tpie...@gmail.com>
Cc: Marek Vasut <ma...@denx.de>
Cc: Fabio Estevam <fabio.este...@freescale.com>
Cc: Shawn Guo <shawn....@linaro.org>
---
drivers/spi/spi-mxs.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/spi/spi-mxs.c b/drivers/spi/spi-mxs.c
index 208de97..103c478 100644
--- a/drivers/spi/spi-mxs.c
+++ b/drivers/spi/spi-mxs.c
@@ -591,7 +591,6 @@ static int mxs_spi_probe(struct platform_device *pdev)
clk_prepare_enable(ssp->clk);
clk_set_rate(ssp->clk, clk_freq);
- ssp->clk_rate = clk_get_rate(ssp->clk) / 1000;
stmp_reset_block(ssp->base);
--
1.7.10.4
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