diff options
Diffstat (limited to 'drivers/acpi')
-rw-r--r-- | drivers/acpi/nfit.c | 12 | ||||
-rw-r--r-- | drivers/acpi/nfit.h | 10 | ||||
-rw-r--r-- | drivers/acpi/pci_link.c | 2 | ||||
-rw-r--r-- | drivers/acpi/utils.c | 6 |
4 files changed, 15 insertions, 15 deletions
diff --git a/drivers/acpi/nfit.c b/drivers/acpi/nfit.c index 2215fc847fa9..ac6ddcc080d4 100644 --- a/drivers/acpi/nfit.c +++ b/drivers/acpi/nfit.c @@ -928,7 +928,7 @@ static ssize_t format_show(struct device *dev, { struct acpi_nfit_control_region *dcr = to_nfit_dcr(dev); - return sprintf(buf, "0x%04x\n", be16_to_cpu(dcr->code)); + return sprintf(buf, "0x%04x\n", le16_to_cpu(dcr->code)); } static DEVICE_ATTR_RO(format); @@ -961,8 +961,8 @@ static ssize_t format1_show(struct device *dev, continue; if (nfit_dcr->dcr->code == dcr->code) continue; - rc = sprintf(buf, "%#x\n", - be16_to_cpu(nfit_dcr->dcr->code)); + rc = sprintf(buf, "0x%04x\n", + le16_to_cpu(nfit_dcr->dcr->code)); break; } if (rc != ENXIO) @@ -1131,11 +1131,11 @@ static int acpi_nfit_add_dimm(struct acpi_nfit_desc *acpi_desc, /* * Until standardization materializes we need to consider up to 3 - * different command sets. Note, that checking for function0 (bit0) - * tells us if any commands are reachable through this uuid. + * different command sets. Note, that checking for zero functions + * tells us if any commands might be reachable through this uuid. */ for (i = NVDIMM_FAMILY_INTEL; i <= NVDIMM_FAMILY_HPE2; i++) - if (acpi_check_dsm(adev_dimm->handle, to_nfit_uuid(i), 1, 1)) + if (acpi_check_dsm(adev_dimm->handle, to_nfit_uuid(i), 1, 0)) break; /* limit the supported commands to those that are publicly documented */ diff --git a/drivers/acpi/nfit.h b/drivers/acpi/nfit.h index 11cb38348aef..02b9ea1e8d2e 100644 --- a/drivers/acpi/nfit.h +++ b/drivers/acpi/nfit.h @@ -53,12 +53,12 @@ enum nfit_uuids { }; /* - * Region format interface codes are stored as an array of bytes in the - * NFIT DIMM Control Region structure + * Region format interface codes are stored with the interface as the + * LSB and the function as the MSB. */ -#define NFIT_FIC_BYTE cpu_to_be16(0x101) /* byte-addressable energy backed */ -#define NFIT_FIC_BLK cpu_to_be16(0x201) /* block-addressable non-energy backed */ -#define NFIT_FIC_BYTEN cpu_to_be16(0x301) /* byte-addressable non-energy backed */ +#define NFIT_FIC_BYTE cpu_to_le16(0x101) /* byte-addressable energy backed */ +#define NFIT_FIC_BLK cpu_to_le16(0x201) /* block-addressable non-energy backed */ +#define NFIT_FIC_BYTEN cpu_to_le16(0x301) /* byte-addressable non-energy backed */ enum { NFIT_BLK_READ_FLUSH = 1, diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index 8fc7323ed3e8..4ed4061813e6 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -839,7 +839,7 @@ void acpi_penalize_isa_irq(int irq, int active) { if ((irq >= 0) && (irq < ARRAY_SIZE(acpi_isa_irq_penalty))) acpi_isa_irq_penalty[irq] = acpi_irq_get_penalty(irq) + - active ? PIRQ_PENALTY_ISA_USED : PIRQ_PENALTY_PCI_USING; + (active ? PIRQ_PENALTY_ISA_USED : PIRQ_PENALTY_PCI_USING); } bool acpi_isa_irq_available(int irq) diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index 22c09952e177..b4de130f2d57 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -680,9 +680,6 @@ bool acpi_check_dsm(acpi_handle handle, const u8 *uuid, u64 rev, u64 funcs) u64 mask = 0; union acpi_object *obj; - if (funcs == 0) - return false; - obj = acpi_evaluate_dsm(handle, uuid, rev, 0, NULL); if (!obj) return false; @@ -695,6 +692,9 @@ bool acpi_check_dsm(acpi_handle handle, const u8 *uuid, u64 rev, u64 funcs) mask |= (((u64)obj->buffer.pointer[i]) << (i * 8)); ACPI_FREE(obj); + if (funcs == 0) + return true; + /* * Bit 0 indicates whether there's support for any functions other than * function 0 for the specified UUID and revision. |