diff options
Diffstat (limited to 'arch/x86/platform')
| -rw-r--r-- | arch/x86/platform/mrst/mrst.c | 22 | ||||
| -rw-r--r-- | arch/x86/platform/mrst/vrtc.c | 9 |
2 files changed, 21 insertions, 10 deletions
diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c index 58425adc22c..fe73276e026 100644 --- a/arch/x86/platform/mrst/mrst.c +++ b/arch/x86/platform/mrst/mrst.c @@ -678,38 +678,40 @@ static int __init sfi_parse_devs(struct sfi_table_header *table) pentry = (struct sfi_device_table_entry *)sb->pentry; for (i = 0; i < num; i++, pentry++) { - if (pentry->irq != (u8)0xff) { /* native RTE case */ + int irq = pentry->irq; + + if (irq != (u8)0xff) { /* native RTE case */ /* these SPI2 devices are not exposed to system as PCI * devices, but they have separate RTE entry in IOAPIC * so we have to enable them one by one here */ - ioapic = mp_find_ioapic(pentry->irq); + ioapic = mp_find_ioapic(irq); irq_attr.ioapic = ioapic; - irq_attr.ioapic_pin = pentry->irq; + irq_attr.ioapic_pin = irq; irq_attr.trigger = 1; irq_attr.polarity = 1; - io_apic_set_pci_routing(NULL, pentry->irq, &irq_attr); + io_apic_set_pci_routing(NULL, irq, &irq_attr); } else - pentry->irq = 0; /* No irq */ + irq = 0; /* No irq */ switch (pentry->type) { case SFI_DEV_TYPE_IPC: /* ID as IRQ is a hack that will go away */ - pdev = platform_device_alloc(pentry->name, pentry->irq); + pdev = platform_device_alloc(pentry->name, irq); if (pdev == NULL) { pr_err("out of memory for SFI platform device '%s'.\n", pentry->name); continue; } - install_irq_resource(pdev, pentry->irq); + install_irq_resource(pdev, irq); pr_debug("info[%2d]: IPC bus, name = %16.16s, " - "irq = 0x%2x\n", i, pentry->name, pentry->irq); + "irq = 0x%2x\n", i, pentry->name, irq); sfi_handle_ipc_dev(pdev); break; case SFI_DEV_TYPE_SPI: memset(&spi_info, 0, sizeof(spi_info)); strncpy(spi_info.modalias, pentry->name, SFI_NAME_LEN); - spi_info.irq = pentry->irq; + spi_info.irq = irq; spi_info.bus_num = pentry->host_num; spi_info.chip_select = pentry->addr; spi_info.max_speed_hz = pentry->max_freq; @@ -726,7 +728,7 @@ static int __init sfi_parse_devs(struct sfi_table_header *table) memset(&i2c_info, 0, sizeof(i2c_info)); bus = pentry->host_num; strncpy(i2c_info.type, pentry->name, SFI_NAME_LEN); - i2c_info.irq = pentry->irq; + i2c_info.irq = irq; i2c_info.addr = pentry->addr; pr_debug("info[%2d]: I2C bus = %d, name = %16.16s, " "irq = 0x%2x, addr = 0x%x\n", i, bus, diff --git a/arch/x86/platform/mrst/vrtc.c b/arch/x86/platform/mrst/vrtc.c index 73d70d65e76..6d5dbcdd444 100644 --- a/arch/x86/platform/mrst/vrtc.c +++ b/arch/x86/platform/mrst/vrtc.c @@ -58,8 +58,11 @@ EXPORT_SYMBOL_GPL(vrtc_cmos_write); unsigned long vrtc_get_time(void) { u8 sec, min, hour, mday, mon; + unsigned long flags; u32 year; + spin_lock_irqsave(&rtc_lock, flags); + while ((vrtc_cmos_read(RTC_FREQ_SELECT) & RTC_UIP)) cpu_relax(); @@ -70,6 +73,8 @@ unsigned long vrtc_get_time(void) mon = vrtc_cmos_read(RTC_MONTH); year = vrtc_cmos_read(RTC_YEAR); + spin_unlock_irqrestore(&rtc_lock, flags); + /* vRTC YEAR reg contains the offset to 1960 */ year += 1960; @@ -83,8 +88,10 @@ unsigned long vrtc_get_time(void) int vrtc_set_mmss(unsigned long nowtime) { int real_sec, real_min; + unsigned long flags; int vrtc_min; + spin_lock_irqsave(&rtc_lock, flags); vrtc_min = vrtc_cmos_read(RTC_MINUTES); real_sec = nowtime % 60; @@ -95,6 +102,8 @@ int vrtc_set_mmss(unsigned long nowtime) vrtc_cmos_write(real_sec, RTC_SECONDS); vrtc_cmos_write(real_min, RTC_MINUTES); + spin_unlock_irqrestore(&rtc_lock, flags); + return 0; } |