1 files changed, 0 insertions, 57 deletions
diff --git a/target/linux/bcm27xx/patches-6.1/950-0356-rtc-pcf8523-Fix-oscillator-stop-bit-handling.patch b/target/linux/bcm27xx/patches-6.1/950-0356-rtc-pcf8523-Fix-oscillator-stop-bit-handling.patch
deleted file mode 100644
index ab98d4ea36..0000000000
--- a/target/linux/bcm27xx/patches-6.1/950-0356-rtc-pcf8523-Fix-oscillator-stop-bit-handling.patch
+++ /dev/null
@@ -1,57 +0,0 @@
-From d4caec563cc89319516a29a9b3c40ec302925d7a Mon Sep 17 00:00:00 2001
-From: Phil Elwell <phil@raspberrypi.org>
-Date: Mon, 29 Oct 2018 14:45:45 +0000
-Subject: [PATCH] rtc: pcf8523: Fix oscillator stop bit handling
-
-See: https://github.com/raspberrypi/firmware/issues/1065
-
-Signed-off-by: Phil Elwell <phil@raspberrypi.com>
----
- drivers/rtc/rtc-pcf8523.c | 29 +++++++++++++++++++++++++++--
- 1 file changed, 27 insertions(+), 2 deletions(-)
-
---- a/drivers/rtc/rtc-pcf8523.c
-+++ b/drivers/rtc/rtc-pcf8523.c
-@@ -100,6 +100,7 @@ static int pcf8523_rtc_read_time(struct
- {
- 	struct pcf8523 *pcf8523 = dev_get_drvdata(dev);
- 	u8 regs[7];
-+	u32 value;
- 	int err;
- 
- 	err = regmap_bulk_read(pcf8523->regmap, PCF8523_REG_SECONDS, regs,
-@@ -107,8 +108,32 @@ static int pcf8523_rtc_read_time(struct
- 	if (err < 0)
- 		return err;
- 
--	if (regs[0] & PCF8523_SECONDS_OS)
--		return -EINVAL;
-+	if (regs[0] & PCF8523_SECONDS_OS) {
-+		/*
-+		 * If the oscillator was stopped, try to clear the flag. Upon
-+		 * power-up the flag is always set, but if we cannot clear it
-+		 * the oscillator isn't running properly for some reason. The
-+		 * sensible thing therefore is to return an error, signalling
-+		 * that the clock cannot be assumed to be correct.
-+		 */
-+
-+		regs[0] &= ~PCF8523_SECONDS_OS;
-+
-+		err = regmap_write(pcf8523->regmap, PCF8523_REG_SECONDS,
-+				   regs[0]);
-+		if (err < 0)
-+			return err;
-+
-+		err = regmap_read(pcf8523->regmap, PCF8523_REG_SECONDS,
-+				  &value);
-+		if (err < 0)
-+			return err;
-+
-+		if (value & PCF8523_SECONDS_OS)
-+			return -EAGAIN;
-+
-+		regs[0] = value;
-+	}
- 
- 	tm->tm_sec = bcd2bin(regs[0] & 0x7f);
- 	tm->tm_min = bcd2bin(regs[1] & 0x7f);