diff options
Diffstat (limited to 'arch/sparc64/kernel')
-rw-r--r-- | arch/sparc64/kernel/Makefile | 2 | ||||
-rw-r--r-- | arch/sparc64/kernel/ftrace.c | 26 | ||||
-rw-r--r-- | arch/sparc64/kernel/pci.c | 10 | ||||
-rw-r--r-- | arch/sparc64/kernel/time.c | 34 |
4 files changed, 21 insertions, 51 deletions
diff --git a/arch/sparc64/kernel/Makefile b/arch/sparc64/kernel/Makefile index c0b8009..b3e0b98 100644 --- a/arch/sparc64/kernel/Makefile +++ b/arch/sparc64/kernel/Makefile @@ -5,6 +5,8 @@ EXTRA_AFLAGS := -ansi EXTRA_CFLAGS := -Werror +CFLAGS_REMOVE_ftrace.o = -pg + extra-y := head.o init_task.o vmlinux.lds obj-y := process.o setup.o cpu.o idprom.o reboot.o \ diff --git a/arch/sparc64/kernel/ftrace.c b/arch/sparc64/kernel/ftrace.c index 4298d0a..d0218e7 100644 --- a/arch/sparc64/kernel/ftrace.c +++ b/arch/sparc64/kernel/ftrace.c @@ -9,12 +9,12 @@ static const u32 ftrace_nop = 0x01000000; -notrace unsigned char *ftrace_nop_replace(void) +unsigned char *ftrace_nop_replace(void) { return (char *)&ftrace_nop; } -notrace unsigned char *ftrace_call_replace(unsigned long ip, unsigned long addr) +unsigned char *ftrace_call_replace(unsigned long ip, unsigned long addr) { static u32 call; s32 off; @@ -25,7 +25,7 @@ notrace unsigned char *ftrace_call_replace(unsigned long ip, unsigned long addr) return (unsigned char *) &call; } -notrace int +int ftrace_modify_code(unsigned long ip, unsigned char *old_code, unsigned char *new_code) { @@ -59,7 +59,7 @@ ftrace_modify_code(unsigned long ip, unsigned char *old_code, return faulted; } -notrace int ftrace_update_ftrace_func(ftrace_func_t func) +int ftrace_update_ftrace_func(ftrace_func_t func) { unsigned long ip = (unsigned long)(&ftrace_call); unsigned char old[MCOUNT_INSN_SIZE], *new; @@ -69,24 +69,6 @@ notrace int ftrace_update_ftrace_func(ftrace_func_t func) return ftrace_modify_code(ip, old, new); } -notrace int ftrace_mcount_set(unsigned long *data) -{ - unsigned long ip = (long)(&mcount_call); - unsigned long *addr = data; - unsigned char old[MCOUNT_INSN_SIZE], *new; - - /* - * Replace the mcount stub with a pointer to the - * ip recorder function. - */ - memcpy(old, &mcount_call, MCOUNT_INSN_SIZE); - new = ftrace_call_replace(ip, *addr); - *addr = ftrace_modify_code(ip, old, new); - - return 0; -} - - int __init ftrace_dyn_arch_init(void *data) { ftrace_mcount_set(data); diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c index 242ac1c..bdb7c0a 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/time.c b/arch/sparc64/kernel/time.c index 80d71a5..141da37 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); } |