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authorManish Narani <manish.narani@xilinx.com>2018-07-18 16:42:09 +0530
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2018-07-23 19:18:11 +0100
commitc344a327baefc372b7f4b7d0c17ac8b417ceaf94 (patch)
treed3d125d449e35f9c34c2b987bb329638e2a09d95 /drivers/iio
parent39e27533cdb4affdec79a89308ab9133a6e0e5c7 (diff)
downloadlinux-c344a327baefc372b7f4b7d0c17ac8b417ceaf94.tar.gz
iio: adc: xilinx: Remove dead code from xadc_zynq_setup
This patch removes dead code from xadc_zynq_setup. The condition
"if (tck_rate > XADC_ZYNQ_TCK_RATE_MAX)" cannot be true at any point of
time. There is also an incompatible parameter used in the code.
This patch fixes the same reported by coverity.

Signed-off-by: Manish Narani <manish.narani@xilinx.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio')
-rw-r--r--drivers/iio/adc/xilinx-xadc-core.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/iio/adc/xilinx-xadc-core.c b/drivers/iio/adc/xilinx-xadc-core.c
index d4f21d1be6c8..0127e8513166 100644
--- a/drivers/iio/adc/xilinx-xadc-core.c
+++ b/drivers/iio/adc/xilinx-xadc-core.c
@@ -341,8 +341,6 @@ static int xadc_zynq_setup(struct platform_device *pdev,
 
 	pcap_rate = clk_get_rate(xadc->clk);
 
-	if (tck_rate > XADC_ZYNQ_TCK_RATE_MAX)
-		tck_rate = XADC_ZYNQ_TCK_RATE_MAX;
 	if (tck_rate > pcap_rate / 2) {
 		div = 2;
 	} else {
@@ -1045,7 +1043,7 @@ static int xadc_parse_dt(struct iio_dev *indio_dev, struct device_node *np,
 	unsigned int num_channels;
 	const char *external_mux;
 	u32 ext_mux_chan;
-	int reg;
+	u32 reg;
 	int ret;
 
 	*conf = 0;