ENGR00154209 SNVS RTC: Update comments for errata number

Add TKT052983 errata number to comments field. This errata
requires reading the counter value twice until both
values match to ensure integrity of read value.

Signed-off-by: Anish Trivedi <anish@freescale.com>

diff --git a/drivers/rtc/rtc-snvs.c b/drivers/rtc/rtc-snvs.c
index 08e5378dd2e903be1108044a97c5d6061de5a1e9..3125ec09926ccd3b3152c21080f7b39301d22499 100644 (file)
--- a/drivers/rtc/rtc-snvs.c
+++ b/drivers/rtc/rtc-snvs.c
@@ -94,7 +94,7 @@ static DEFINE_SPINLOCK(rtc_lock);
  * LP counter register reads should always use this function.
  * This function reads 2 consective times from LP counter register
  * until the 2 values match. This is to avoid reading corrupt
- * value if the counter is in the middle of updating
+ * value if the counter is in the middle of updating (TKT052983)
  */
 static inline u32 rtc_read_lp_counter(void __iomem *counter_reg)
 {
@@ -132,7 +132,9 @@ static inline void rtc_write_sync_lp(void __iomem *ioaddr)
        /* Wait for 3 CKIL cycles */
        for (i = 0; i < 3; i++) {
 
-               /* Do consective reads of LSB of counter to ensure integrity */
+               /* TKT052983: Do consective reads of LSB of counter
+                * to ensure integrity
+                */
                do {
                        count1 = __raw_readl(ioaddr + SNVS_LPSRTCLR);
                        count2 = __raw_readl(ioaddr + SNVS_LPSRTCLR);