xburst: Remove unmaintained target

[openwrt/openwrt.git] / target / linux / xburst / patches-3.18 / 005-RTC-JZ4740-Init-the-regulator-register-on-startup.patch

diff --git a/target/linux/xburst/patches-3.18/005-RTC-JZ4740-Init-the-regulator-register-on-startup.patch b/target/linux/xburst/patches-3.18/005-RTC-JZ4740-Init-the-regulator-register-on-startup.patch
deleted file mode 100644 (file)
index f38483a..0000000
--- a/target/linux/xburst/patches-3.18/005-RTC-JZ4740-Init-the-regulator-register-on-startup.patch
+++ /dev/null
@@ -1,55 +0,0 @@
-From f05b1ecd7e4fde7e69320a4b7be461636e982991 Mon Sep 17 00:00:00 2001
-From: Paul Cercueil <paul@crapouillou.net>
-Date: Thu, 13 Sep 2012 00:09:20 +0200
-Subject: [PATCH 5/7] RTC: JZ4740: Init the "regulator" register on startup.
-
-This register controls the accuracy of the RTC. uC/OS-II use
-the RTC as a 100Hz clock, and writes a completely wrong value
-on that register, that we have to overwrite if we want a working
-real-time clock.
-
-Signed-off-by: Paul Cercueil <paul@crapouillou.net>
----
- drivers/rtc/rtc-jz4740.c |   17 +++++++++++++++++
- 1 file changed, 17 insertions(+)
-
---- a/drivers/rtc/rtc-jz4740.c
-+++ b/drivers/rtc/rtc-jz4740.c
-@@ -15,6 +15,7 @@
-  */
- 
- #include <linux/io.h>
-+#include <linux/clk.h>
- #include <linux/kernel.h>
- #include <linux/module.h>
- #include <linux/platform_device.h>
-@@ -216,6 +217,7 @@ static int jz4740_rtc_probe(struct platf
-       struct jz4740_rtc *rtc;
-       uint32_t scratchpad;
-       struct resource *mem;
-+      struct clk *rtc_clk;
- 
-       rtc = devm_kzalloc(&pdev->dev, sizeof(*rtc), GFP_KERNEL);
-       if (!rtc)
-@@ -263,6 +265,21 @@ static int jz4740_rtc_probe(struct platf
-               }
-       }
- 
-+      rtc_clk = clk_get(&pdev->dev, "rtc");
-+      if (IS_ERR(rtc_clk)) {
-+              dev_err(&pdev->dev, "Failed to get RTC clock\n");
-+              return PTR_ERR(rtc_clk);
-+      }
-+
-+      /* TODO: initialize the ADJC bits (25:16) to fine-tune
-+       * the accuracy of the RTC */
-+      ret = jz4740_rtc_reg_write(rtc, JZ_REG_RTC_REGULATOR,
-+                              (clk_get_rate(rtc_clk) - 1) & 0xffff);
-+      clk_put(rtc_clk);
-+
-+      if (ret)
-+              dev_warn(&pdev->dev, "Could not update RTC regulator register\n");
-+
-       return 0;
- }
-