4 files changed, 29 insertions, 32 deletions

diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c
index 242ac1ccae7d..bdb7c0a6d83d 100644
--- a/arch/sparc64/kernel/pci.c
+++ b/arch/sparc64/kernel/pci.c
@@ -889,6 +889,7 @@ static int __pci_mmap_make_offset(struct pci_dev *pdev,
 
 	for (i = 0; i <= PCI_ROM_RESOURCE; i++) {
 		struct resource *rp = &pdev->resource[i];
+		resource_size_t aligned_end;
 
 		/* Active? */
 		if (!rp->flags)
@@ -906,8 +907,15 @@ static int __pci_mmap_make_offset(struct pci_dev *pdev,
 				continue;
 		}
 
+		/* Align the resource end to the next page address.
+		 * PAGE_SIZE intentionally added instead of (PAGE_SIZE - 1),
+		 * because actually we need the address of the next byte
+		 * after rp->end.
+		 */
+		aligned_end = (rp->end + PAGE_SIZE) & PAGE_MASK;
+
 		if ((rp->start <= user_paddr) &&
-		    (user_paddr + user_size) <= (rp->end + 1UL))
+		    (user_paddr + user_size) <= aligned_end)
 			break;
 	}
 
diff --git a/arch/sparc64/kernel/sys32.S b/arch/sparc64/kernel/sys32.S
index ade18ba0c686..f061c4dda9ef 100644
--- a/arch/sparc64/kernel/sys32.S
+++ b/arch/sparc64/kernel/sys32.S
@@ -150,7 +150,7 @@ sys32_mmap2:
 sys32_socketcall:	/* %o0=call, %o1=args */
 	cmp		%o0, 1
 	bl,pn		%xcc, do_einval
-	 cmp		%o0, 17
+	 cmp		%o0, 18
 	bg,pn		%xcc, do_einval
 	 sub		%o0, 1, %o0
 	sllx		%o0, 5, %o0
@@ -319,6 +319,15 @@ do_sys_recvmsg: /* compat_sys_recvmsg(int, struct compat_msghdr *, unsigned int)
 	nop
 	nop
 	nop
+do_sys_accept4: /* sys_accept4(int, struct sockaddr *, int *, int) */
+63:	ldswa		[%o1 + 0x0] %asi, %o0
+	sethi		%hi(sys_accept4), %g1
+64:	lduwa		[%o1 + 0x8] %asi, %o2
+65:	ldswa		[%o1 + 0xc] %asi, %o3
+	jmpl		%g1 + %lo(sys_accept4), %g0
+66:	 lduwa		[%o1 + 0x4] %asi, %o1
+	nop
+	nop
 
 	.section	__ex_table,"a"
 	.align		4
@@ -353,4 +362,6 @@ do_sys_recvmsg: /* compat_sys_recvmsg(int, struct compat_msghdr *, unsigned int)
 	.word		57b, __retl_efault, 58b, __retl_efault
 	.word		59b, __retl_efault, 60b, __retl_efault
 	.word		61b, __retl_efault, 62b, __retl_efault
+	.word		63b, __retl_efault, 64b, __retl_efault
+	.word		65b, __retl_efault, 66b, __retl_efault
 	.previous
diff --git a/arch/sparc64/kernel/systbls.S b/arch/sparc64/kernel/systbls.S
index b2fa4c163638..9fc78cf354bd 100644
--- a/arch/sparc64/kernel/systbls.S
+++ b/arch/sparc64/kernel/systbls.S
@@ -82,7 +82,7 @@ sys_call_table32:
 	.word compat_sys_set_mempolicy, compat_sys_kexec_load, compat_sys_move_pages, sys_getcpu, compat_sys_epoll_pwait
 /*310*/	.word compat_sys_utimensat, compat_sys_signalfd, sys_timerfd_create, sys_eventfd, compat_sys_fallocate
 	.word compat_sys_timerfd_settime, compat_sys_timerfd_gettime, compat_sys_signalfd4, sys_eventfd2, sys_epoll_create1
-/*320*/	.word sys_dup3, sys_pipe2, sys_inotify_init1
+/*320*/	.word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4
 
 #endif /* CONFIG_COMPAT */
 
@@ -156,4 +156,4 @@ sys_call_table:
 	.word sys_set_mempolicy, sys_kexec_load, sys_move_pages, sys_getcpu, sys_epoll_pwait
 /*310*/	.word sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate
 	.word sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1
-/*320*/	.word sys_dup3, sys_pipe2, sys_inotify_init1
+/*320*/	.word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4
diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
index 80d71a5ce1e3..141da3759091 100644
--- a/arch/sparc64/kernel/time.c
+++ b/arch/sparc64/kernel/time.c
@@ -490,6 +490,7 @@ static struct of_device_id __initdata bq4802_match[] = {
 		.name = "rtc",
 		.compatible = "bq4802",
 	},
+	{},
 };
 
 static struct of_platform_driver bq4802_driver = {
@@ -503,39 +504,16 @@ static struct of_platform_driver bq4802_driver = {
 static unsigned char mostek_read_byte(struct device *dev, u32 ofs)
 {
 	struct platform_device *pdev = to_platform_device(dev);
-	struct m48t59_plat_data *pdata = pdev->dev.platform_data;
-	void __iomem *regs;
-	unsigned char val;
-
-	regs = (void __iomem *) pdev->resource[0].start;
-	val = readb(regs + ofs);
-
-	/* the year 0 is 1968 */
-	if (ofs == pdata->offset + M48T59_YEAR) {
-		val += 0x68;
-		if ((val & 0xf) > 9)
-			val += 6;
-	}
-	return val;
+	void __iomem *regs = (void __iomem *) pdev->resource[0].start;
+
+	return readb(regs + ofs);
 }
 
 static void mostek_write_byte(struct device *dev, u32 ofs, u8 val)
 {
 	struct platform_device *pdev = to_platform_device(dev);
-	struct m48t59_plat_data *pdata = pdev->dev.platform_data;
-	void __iomem *regs;
-
-	regs = (void __iomem *) pdev->resource[0].start;
-	if (ofs == pdata->offset + M48T59_YEAR) {
-		if (val < 0x68)
-			val += 0x32;
-		else
-			val -= 0x68;
-		if ((val & 0xf) > 9)
-			val += 6;
-		if ((val & 0xf0) > 0x9A)
-			val += 0x60;
-	}
+	void __iomem *regs = (void __iomem *) pdev->resource[0].start;
+
 	writeb(val, regs + ofs);
 }