The data-sheet and documentation for this part uses the name xvclk not
ext_clk for the input reference clock. Rename the variables and defines in
this driver to align with the data-sheet name.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
---
 drivers/media/i2c/ov08x40.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/media/i2c/ov08x40.c b/drivers/media/i2c/ov08x40.c
index be25e45175b1322145dca428e845242d8fea2698..3ab8b51df157af78fcccc1aaef73aedb2ae759c9 100644
--- a/drivers/media/i2c/ov08x40.c
+++ b/drivers/media/i2c/ov08x40.c
@@ -1215,7 +1215,7 @@ static const char * const ov08x40_test_pattern_menu[] = {
 /* Configurations for supported link frequencies */
 #define OV08X40_LINK_FREQ_400MHZ	400000000ULL
 #define OV08X40_SCLK_96MHZ		96000000ULL
-#define OV08X40_EXT_CLK			19200000
+#define OV08X40_XVCLK			19200000
 #define OV08X40_DATA_LANES		4
 
 /*
@@ -2081,21 +2081,21 @@ static int ov08x40_check_hwcfg(struct device *dev)
 	struct fwnode_handle *fwnode = dev_fwnode(dev);
 	unsigned int i, j;
 	int ret;
-	u32 ext_clk;
+	u32 xvclk_rate;
 
 	if (!fwnode)
 		return -ENXIO;
 
 	ret = fwnode_property_read_u32(dev_fwnode(dev), "clock-frequency",
-				       &ext_clk);
+				       &xvclk_rate);
 	if (ret) {
 		dev_err(dev, "can't get clock frequency");
 		return ret;
 	}
 
-	if (ext_clk != OV08X40_EXT_CLK) {
+	if (xvclk_rate != OV08X40_XVCLK) {
 		dev_err(dev, "external clock %d is not supported",
-			ext_clk);
+			xvclk_rate);
 		return -EINVAL;
 	}
 

-- 
2.46.2