Linux-libre 4.8.2-gnupck-4.8.2-gnu

4 files changed, 52 insertions, 17 deletions

diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c
index 22395901d..e5d71905c 100644
--- a/arch/parisc/kernel/firmware.c
+++ b/arch/parisc/kernel/firmware.c
@@ -1354,9 +1354,9 @@ int pdc_pat_io_pci_cfg_read(unsigned long pci_addr, int pci_size, u32 *mem_addr)
 	retval = mem_pdc_call(PDC_PAT_IO, PDC_PAT_IO_PCI_CONFIG_READ,
 					__pa(pdc_result), pci_addr, pci_size);
 	switch(pci_size) {
-		case 1: *(u8 *) mem_addr =  (u8)  pdc_result[0];
-		case 2: *(u16 *)mem_addr =  (u16) pdc_result[0];
-		case 4: *(u32 *)mem_addr =  (u32) pdc_result[0];
+		case 1: *(u8 *) mem_addr =  (u8)  pdc_result[0]; break;
+		case 2: *(u16 *)mem_addr =  (u16) pdc_result[0]; break;
+		case 4: *(u32 *)mem_addr =  (u32) pdc_result[0]; break;
 	}
 	spin_unlock_irqrestore(&pdc_lock, flags);
 
diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c
index a27e4928b..02d9ed0f3 100644
--- a/arch/parisc/kernel/pci-dma.c
+++ b/arch/parisc/kernel/pci-dma.c
@@ -414,7 +414,7 @@ pcxl_dma_init(void)
 __initcall(pcxl_dma_init);
 
 static void *pa11_dma_alloc(struct device *dev, size_t size,
-		dma_addr_t *dma_handle, gfp_t flag, struct dma_attrs *attrs)
+		dma_addr_t *dma_handle, gfp_t flag, unsigned long attrs)
 {
 	unsigned long vaddr;
 	unsigned long paddr;
@@ -441,7 +441,7 @@ static void *pa11_dma_alloc(struct device *dev, size_t size,
 }
 
 static void pa11_dma_free(struct device *dev, size_t size, void *vaddr,
-		dma_addr_t dma_handle, struct dma_attrs *attrs)
+		dma_addr_t dma_handle, unsigned long attrs)
 {
 	int order;
 
@@ -454,7 +454,7 @@ static void pa11_dma_free(struct device *dev, size_t size, void *vaddr,
 
 static dma_addr_t pa11_dma_map_page(struct device *dev, struct page *page,
 		unsigned long offset, size_t size,
-		enum dma_data_direction direction, struct dma_attrs *attrs)
+		enum dma_data_direction direction, unsigned long attrs)
 {
 	void *addr = page_address(page) + offset;
 	BUG_ON(direction == DMA_NONE);
@@ -465,7 +465,7 @@ static dma_addr_t pa11_dma_map_page(struct device *dev, struct page *page,
 
 static void pa11_dma_unmap_page(struct device *dev, dma_addr_t dma_handle,
 		size_t size, enum dma_data_direction direction,
-		struct dma_attrs *attrs)
+		unsigned long attrs)
 {
 	BUG_ON(direction == DMA_NONE);
 
@@ -484,7 +484,7 @@ static void pa11_dma_unmap_page(struct device *dev, dma_addr_t dma_handle,
 
 static int pa11_dma_map_sg(struct device *dev, struct scatterlist *sglist,
 		int nents, enum dma_data_direction direction,
-		struct dma_attrs *attrs)
+		unsigned long attrs)
 {
 	int i;
 	struct scatterlist *sg;
@@ -503,7 +503,7 @@ static int pa11_dma_map_sg(struct device *dev, struct scatterlist *sglist,
 
 static void pa11_dma_unmap_sg(struct device *dev, struct scatterlist *sglist,
 		int nents, enum dma_data_direction direction,
-		struct dma_attrs *attrs)
+		unsigned long attrs)
 {
 	int i;
 	struct scatterlist *sg;
@@ -577,11 +577,11 @@ struct dma_map_ops pcxl_dma_ops = {
 };
 
 static void *pcx_dma_alloc(struct device *dev, size_t size,
-		dma_addr_t *dma_handle, gfp_t flag, struct dma_attrs *attrs)
+		dma_addr_t *dma_handle, gfp_t flag, unsigned long attrs)
 {
 	void *addr;
 
-	if (!dma_get_attr(DMA_ATTR_NON_CONSISTENT, attrs))
+	if ((attrs & DMA_ATTR_NON_CONSISTENT) == 0)
 		return NULL;
 
 	addr = (void *)__get_free_pages(flag, get_order(size));
@@ -592,7 +592,7 @@ static void *pcx_dma_alloc(struct device *dev, size_t size,
 }
 
 static void pcx_dma_free(struct device *dev, size_t size, void *vaddr,
-		dma_addr_t iova, struct dma_attrs *attrs)
+		dma_addr_t iova, unsigned long attrs)
 {
 	free_pages((unsigned long)vaddr, get_order(size));
 	return;
diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c
index b5458b37f..e02d7b4d2 100644
--- a/arch/parisc/kernel/ptrace.c
+++ b/arch/parisc/kernel/ptrace.c
@@ -311,10 +311,6 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
 
 long do_syscall_trace_enter(struct pt_regs *regs)
 {
-	/* Do the secure computing check first. */
-	if (secure_computing() == -1)
-		return -1;
-
 	if (test_thread_flag(TIF_SYSCALL_TRACE) &&
 	    tracehook_report_syscall_entry(regs)) {
 		/*
@@ -325,6 +321,11 @@ long do_syscall_trace_enter(struct pt_regs *regs)
 		regs->gr[20] = -1UL;
 		goto out;
 	}
+
+	/* Do the secure computing check after ptrace. */
+	if (secure_computing(NULL) == -1)
+		return -1;
+
 #ifdef CONFIG_HAVE_SYSCALL_TRACEPOINTS
 	if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
 		trace_sys_enter(regs, regs->gr[20]);
diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c
index 5eea7dc01..4b0b963d5 100644
--- a/arch/parisc/kernel/time.c
+++ b/arch/parisc/kernel/time.c
@@ -12,6 +12,7 @@
  */
 #include <linux/errno.h>
 #include <linux/module.h>
+#include <linux/rtc.h>
 #include <linux/sched.h>
 #include <linux/kernel.h>
 #include <linux/param.h>
@@ -236,14 +237,47 @@ void __init start_cpu_itimer(void)
 	per_cpu(cpu_data, cpu).it_value = next_tick;
 }
 
+#if IS_ENABLED(CONFIG_RTC_DRV_GENERIC)
+static int rtc_generic_get_time(struct device *dev, struct rtc_time *tm)
+{
+	struct pdc_tod tod_data;
+
+	memset(tm, 0, sizeof(*tm));
+	if (pdc_tod_read(&tod_data) < 0)
+		return -EOPNOTSUPP;
+
+	/* we treat tod_sec as unsigned, so this can work until year 2106 */
+	rtc_time64_to_tm(tod_data.tod_sec, tm);
+	return rtc_valid_tm(tm);
+}
+
+static int rtc_generic_set_time(struct device *dev, struct rtc_time *tm)
+{
+	time64_t secs = rtc_tm_to_time64(tm);
+
+	if (pdc_tod_set(secs, 0) < 0)
+		return -EOPNOTSUPP;
+
+	return 0;
+}
+
+static const struct rtc_class_ops rtc_generic_ops = {
+	.read_time = rtc_generic_get_time,
+	.set_time = rtc_generic_set_time,
+};
+
 static int __init rtc_init(void)
 {
 	struct platform_device *pdev;
 
-	pdev = platform_device_register_simple("rtc-generic", -1, NULL, 0);
+	pdev = platform_device_register_data(NULL, "rtc-generic", -1,
+					     &rtc_generic_ops,
+					     sizeof(rtc_generic_ops));
+
 	return PTR_ERR_OR_ZERO(pdev);
 }
 device_initcall(rtc_init);
+#endif
 
 void read_persistent_clock(struct timespec *ts)
 {