ramips: drop support for kernel 4.14

[openwrt/openwrt.git] / target / linux / ramips / patches-4.14 / 101-mt7621-timer.patch

diff --git a/target/linux/ramips/patches-4.14/101-mt7621-timer.patch b/target/linux/ramips/patches-4.14/101-mt7621-timer.patch
deleted file mode 100644 (file)
index 10edafd..0000000
--- a/target/linux/ramips/patches-4.14/101-mt7621-timer.patch
+++ /dev/null
@@ -1,87 +0,0 @@
---- a/arch/mips/ralink/mt7621.c
-+++ b/arch/mips/ralink/mt7621.c
-@@ -9,6 +9,7 @@
- 
- #include <linux/kernel.h>
- #include <linux/init.h>
-+#include <linux/jiffies.h>
- 
- #include <asm/mipsregs.h>
- #include <asm/smp-ops.h>
-@@ -16,6 +17,7 @@
- #include <asm/mach-ralink/ralink_regs.h>
- #include <asm/mach-ralink/mt7621.h>
- #include <asm/mips-boards/launch.h>
-+#include <asm/delay.h>
- 
- #include <pinmux.h>
- 
-@@ -177,6 +179,58 @@ bool plat_cpu_core_present(int core)
-       return true;
- }
- 
-+#define LPS_PREC 8
-+/*
-+*  Re-calibration lpj(loop-per-jiffy).
-+*  (derived from kernel/calibrate.c)
-+*/
-+static int udelay_recal(void)
-+{
-+      unsigned int i, lpj = 0;
-+      unsigned long ticks, loopbit;
-+      int lps_precision = LPS_PREC;
-+
-+      lpj = (1<<12);
-+
-+      while ((lpj <<= 1) != 0) {
-+              /* wait for "start of" clock tick */
-+              ticks = jiffies;
-+              while (ticks == jiffies)
-+                      /* nothing */;
-+
-+              /* Go .. */
-+              ticks = jiffies;
-+              __delay(lpj);
-+              ticks = jiffies - ticks;
-+              if (ticks)
-+                      break;
-+      }
-+
-+      /*
-+       * Do a binary approximation to get lpj set to
-+       * equal one clock (up to lps_precision bits)
-+       */
-+      lpj >>= 1;
-+      loopbit = lpj;
-+      while (lps_precision-- && (loopbit >>= 1)) {
-+              lpj |= loopbit;
-+              ticks = jiffies;
-+              while (ticks == jiffies)
-+                      /* nothing */;
-+              ticks = jiffies;
-+              __delay(lpj);
-+              if (jiffies != ticks)   /* longer than 1 tick */
-+                      lpj &= ~loopbit;
-+      }
-+      printk(KERN_INFO "%d CPUs re-calibrate udelay(lpj = %d)\n", NR_CPUS, lpj);
-+
-+      for(i=0; i< NR_CPUS; i++)
-+              cpu_data[i].udelay_val = lpj;
-+
-+      return 0;
-+}
-+device_initcall(udelay_recal);
-+
- void prom_soc_init(struct ralink_soc_info *soc_info)
- {
-       void __iomem *sysc = (void __iomem *) KSEG1ADDR(MT7621_SYSC_BASE);
---- a/arch/mips/ralink/Kconfig
-+++ b/arch/mips/ralink/Kconfig
-@@ -59,6 +59,7 @@ choice
-               select CLKSRC_MIPS_GIC
-               select HW_HAS_PCI
-               select WEAK_REORDERING_BEYOND_LLSC
-+              select GENERIC_CLOCKEVENTS_BROADCAST
- endchoice
- 
- choice