X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fopenwrt.git;a=blobdiff_plain;f=target%2Flinux%2Fbrcm2708%2Fpatches-4.19%2F950-0161-Revert-rtc-pcf8523-properly-handle-oscillator-stop-b.patch;fp=target%2Flinux%2Fbrcm2708%2Fpatches-4.19%2F950-0161-Revert-rtc-pcf8523-properly-handle-oscillator-stop-b.patch;h=0000000000000000000000000000000000000000;hp=b9a4f52e5a6539d667041327d1a9461b74f5d93e;hb=7d7aa2fd924c27829ec25f825481554dd81bce97;hpb=e7bfda2c243e66a75ff966ba04c28b1590b5d24c

diff --git a/target/linux/brcm2708/patches-4.19/950-0161-Revert-rtc-pcf8523-properly-handle-oscillator-stop-b.patch b/target/linux/brcm2708/patches-4.19/950-0161-Revert-rtc-pcf8523-properly-handle-oscillator-stop-b.patch
deleted file mode 100644
index b9a4f52e5a..0000000000
--- a/target/linux/brcm2708/patches-4.19/950-0161-Revert-rtc-pcf8523-properly-handle-oscillator-stop-b.patch
+++ /dev/null
@@ -1,56 +0,0 @@
-From 0557d41d861b8c214b3472749482efdc71363dbb Mon Sep 17 00:00:00 2001
-From: Phil Elwell <phil@raspberrypi.org>
-Date: Mon, 29 Oct 2018 14:45:45 +0000
-Subject: [PATCH] Revert "rtc: pcf8523: properly handle oscillator stop
- bit"
-
-This reverts commit ede44c908d44b166a5b6bd7caacd105c2ff5a70f.
-
-See: https://github.com/raspberrypi/firmware/issues/1065
-
-Signed-off-by: Phil Elwell <phil@raspberrypi.org>
----
- drivers/rtc/rtc-pcf8523.c | 25 ++++++++++++++++++++++---
- 1 file changed, 22 insertions(+), 3 deletions(-)
-
---- a/drivers/rtc/rtc-pcf8523.c
-+++ b/drivers/rtc/rtc-pcf8523.c
-@@ -212,8 +212,28 @@ static int pcf8523_rtc_read_time(struct
- 	if (err < 0)
- 		return err;
- 
--	if (regs[0] & REG_SECONDS_OS)
--		return -EINVAL;
-+	if (regs[0] & REG_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] &= ~REG_SECONDS_OS;
-+
-+		err = pcf8523_write(client, REG_SECONDS, regs[0]);
-+		if (err < 0)
-+			return err;
-+
-+		err = pcf8523_read(client, REG_SECONDS, &regs[0]);
-+		if (err < 0)
-+			return err;
-+
-+		if (regs[0] & REG_SECONDS_OS)
-+			return -EAGAIN;
-+	}
- 
- 	tm->tm_sec = bcd2bin(regs[0] & 0x7f);
- 	tm->tm_min = bcd2bin(regs[1] & 0x7f);
-@@ -249,7 +269,6 @@ static int pcf8523_rtc_set_time(struct d
- 		return err;
- 
- 	regs[0] = REG_SECONDS;
--	/* This will purposely overwrite REG_SECONDS_OS */
- 	regs[1] = bin2bcd(tm->tm_sec);
- 	regs[2] = bin2bcd(tm->tm_min);
- 	regs[3] = bin2bcd(tm->tm_hour);