diff mbox series

[11/38] ccs-pll: Fix condition for pre-PLL divider lower bound

Message ID 20201202180641.17401-12-sakari.ailus@linux.intel.com (mailing list archive)
State New, archived
Headers show
Series Support additional CCS PLL features, C-PHY | expand

Commit Message

Sakari Ailus Dec. 2, 2020, 6:06 p.m. UTC
The lower bound of the pre-PLL divider was calculated based on OP SYS
clock frequency which is also affected by the OP SYS clock divider. This
is wrong. The right clock frequency is that of the PLL output clock.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
 drivers/media/i2c/ccs-pll.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/media/i2c/ccs-pll.c b/drivers/media/i2c/ccs-pll.c
index 584be36f8c66..b45e6b30c528 100644
--- a/drivers/media/i2c/ccs-pll.c
+++ b/drivers/media/i2c/ccs-pll.c
@@ -459,7 +459,7 @@  int ccs_pll_calculate(struct device *dev, const struct ccs_pll_limits *lim,
 		max_t(uint16_t, min_op_pre_pll_clk_div,
 		      clk_div_even_up(
 			      DIV_ROUND_UP(mul * pll->ext_clk_freq_hz,
-					   op_lim_bk->max_sys_clk_freq_hz)));
+					   op_lim_fr->max_pll_op_clk_freq_hz)));
 	dev_dbg(dev, "pll_op check: min / max op_pre_pll_clk_div: %u / %u\n",
 		min_op_pre_pll_clk_div, max_op_pre_pll_clk_div);