diff --git a/MAINTAINERS b/MAINTAINERS
index a69e6db80c79..62b61b4fe30a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12312,12 +12312,15 @@ F:	arch/parisc/
 F:	Documentation/parisc/
 F:	drivers/parisc/
 F:	drivers/char/agp/parisc-agp.c
+F:	drivers/input/misc/hp_sdc_rtc.c
 F:	drivers/input/serio/gscps2.c
+F:	drivers/input/serio/hp_sdc*
 F:	drivers/parport/parport_gsc.*
 F:	drivers/tty/serial/8250/8250_gsc.c
 F:	drivers/video/fbdev/sti*
 F:	drivers/video/console/sti*
 F:	drivers/video/logo/logo_parisc*
+F:	include/linux/hp_sdc.h
 
 PARMAN
 M:	Jiri Pirko <jiri@mellanox.com>
diff --git a/arch/parisc/include/asm/cache.h b/arch/parisc/include/asm/cache.h
index 73ca89a47f49..e5de3f897633 100644
--- a/arch/parisc/include/asm/cache.h
+++ b/arch/parisc/include/asm/cache.h
@@ -22,7 +22,7 @@
 
 #define ARCH_DMA_MINALIGN	L1_CACHE_BYTES
 
-#define __read_mostly __attribute__((__section__(".data..read_mostly")))
+#define __read_mostly __section(.data..read_mostly)
 
 void parisc_cache_init(void);	/* initializes cache-flushing */
 void disable_sr_hashing_asm(int); /* low level support for above */
diff --git a/arch/parisc/include/asm/ldcw.h b/arch/parisc/include/asm/ldcw.h
index 3eb4bfc1fb36..e080143e79a3 100644
--- a/arch/parisc/include/asm/ldcw.h
+++ b/arch/parisc/include/asm/ldcw.h
@@ -52,7 +52,7 @@
 })
 
 #ifdef CONFIG_SMP
-# define __lock_aligned __attribute__((__section__(".data..lock_aligned")))
+# define __lock_aligned __section(.data..lock_aligned)
 #endif
 
 #endif /* __PARISC_LDCW_H */
diff --git a/arch/parisc/mm/ioremap.c b/arch/parisc/mm/ioremap.c
index 92a9b5f12f98..f29f682352f0 100644
--- a/arch/parisc/mm/ioremap.c
+++ b/arch/parisc/mm/ioremap.c
@@ -3,7 +3,7 @@
  * arch/parisc/mm/ioremap.c
  *
  * (C) Copyright 1995 1996 Linus Torvalds
- * (C) Copyright 2001-2006 Helge Deller <deller@gmx.de>
+ * (C) Copyright 2001-2019 Helge Deller <deller@gmx.de>
  * (C) Copyright 2005 Kyle McMartin <kyle@parisc-linux.org>
  */
 
@@ -84,7 +84,7 @@ void __iomem * __ioremap(unsigned long phys_addr, unsigned long size, unsigned l
 	addr = (void __iomem *) area->addr;
 	if (ioremap_page_range((unsigned long)addr, (unsigned long)addr + size,
 			       phys_addr, pgprot)) {
-		vfree(addr);
+		vunmap(addr);
 		return NULL;
 	}
 
@@ -92,9 +92,11 @@ void __iomem * __ioremap(unsigned long phys_addr, unsigned long size, unsigned l
 }
 EXPORT_SYMBOL(__ioremap);
 
-void iounmap(const volatile void __iomem *addr)
+void iounmap(const volatile void __iomem *io_addr)
 {
-	if (addr > high_memory)
-		return vfree((void *) (PAGE_MASK & (unsigned long __force) addr));
+	unsigned long addr = (unsigned long)io_addr & PAGE_MASK;
+
+	if (is_vmalloc_addr((void *)addr))
+		vunmap((void *)addr);
 }
 EXPORT_SYMBOL(iounmap);
diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index ed50502cc65a..de8e4e347249 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -678,14 +678,6 @@ static int sba_dma_supported( struct device *dev, u64 mask)
 		return(0);
 	}
 
-	/* Documentation/DMA-API-HOWTO.txt tells drivers to try 64-bit
-	 * first, then fall back to 32-bit if that fails.
-	 * We are just "encouraging" 32-bit DMA masks here since we can
-	 * never allow IOMMU bypass unless we add special support for ZX1.
-	 */
-	if (mask > ~0U)
-		return 0;
-
 	ioc = GET_IOC(dev);
 	if (!ioc)
 		return 0;
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 00fcea236eba..b6f2f35d0bcf 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -163,7 +163,7 @@ static unsigned long hung_task_timeout_max = (LONG_MAX/HZ);
 #ifdef CONFIG_SPARC
 #endif
 
-#ifdef __hppa__
+#ifdef CONFIG_PARISC
 extern int pwrsw_enabled;
 #endif
 
@@ -620,7 +620,7 @@ static struct ctl_table kern_table[] = {
 		.proc_handler	= proc_dointvec,
 	},
 #endif
-#ifdef __hppa__
+#ifdef CONFIG_PARISC
 	{
 		.procname	= "soft-power",
 		.data		= &pwrsw_enabled,