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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /arch/parisc/include/asm/delay.h
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/parisc/include/asm/delay.h')
-rw-r--r--arch/parisc/include/asm/delay.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/delay.h b/arch/parisc/include/asm/delay.h
new file mode 100644
index 000000000..841b506b7
--- /dev/null
+++ b/arch/parisc/include/asm/delay.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_PARISC_DELAY_H
+#define _ASM_PARISC_DELAY_H
+
+static __inline__ void __delay(unsigned long loops) {
+ asm volatile(
+ " .balignl 64,0x34000034\n"
+ " addib,UV -1,%0,.\n"
+ " nop\n"
+ : "=r" (loops) : "0" (loops));
+}
+
+extern void __udelay(unsigned long usecs);
+extern void __udelay_bad(unsigned long usecs);
+
+static inline void udelay(unsigned long usecs)
+{
+ if (__builtin_constant_p(usecs) && (usecs) > 20000)
+ __udelay_bad(usecs);
+ __udelay(usecs);
+}
+
+#endif /* _ASM_PARISC_DELAY_H */