[PATCH]: rtc: ds1685: Fix sparse warnings

[Joshua Kinard]

From: Joshua Kinard <kumba@xxxxxxxxxx>

Fix two minor sparse warnings:

  CHECK   drivers/rtc/rtc-ds1685.c
drivers/rtc/rtc-ds1685.c:2178:1: warning: function 'ds1685_rtc_poweroff'
with external linkage has definition
drivers/rtc/rtc-ds1685.c:802:23: warning: Using plain integer as NULL
pointer

Signed-off-by: Joshua Kinard <kumba@xxxxxxxxxx>
Fixes: aaaf5fbf56f1: "rtc: add driver for DS1685 family of real time clocks"
---
 drivers/rtc/rtc-ds1685.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/rtc/rtc-ds1685.c b/drivers/rtc/rtc-ds1685.c
index 7a7c8de..7020209 100644
--- a/drivers/rtc/rtc-ds1685.c
+++ b/drivers/rtc/rtc-ds1685.c
@@ -799,7 +799,7 @@ ds1685_rtc_proc(struct device *dev, struct seq_file *seq)
 	struct platform_device *pdev = to_platform_device(dev);
 	struct ds1685_priv *rtc = platform_get_drvdata(pdev);
 	u8 ctrla, ctrlb, ctrlc, ctrld, ctrl4a, ctrl4b, ssn[8];
-	char *model = '\0';
+	char *model;
 #ifdef CONFIG_RTC_DS1685_PROC_REGS
 	char bits[NUM_REGS][(NUM_BITS * NUM_SPACES) + NUM_BITS + 1];
 #endif
@@ -2174,7 +2174,7 @@ module_exit(ds1685_rtc_exit);
  * ds1685_rtc_poweroff - uses the RTC chip to power the system off.
  * @pdev: pointer to platform_device structure.
  */
-extern void __noreturn
+void __noreturn
 ds1685_rtc_poweroff(struct platform_device *pdev)
 {
 	u8 ctrla, ctrl4a, ctrl4b;

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