diff options
Diffstat (limited to 'drivers/acpi/cppc_acpi.c')
| -rw-r--r-- | drivers/acpi/cppc_acpi.c | 62 |
1 files changed, 23 insertions, 39 deletions
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c index b62c87b8ce4a..e9ac5ea1dfc9 100644 --- a/drivers/acpi/cppc_acpi.c +++ b/drivers/acpi/cppc_acpi.c @@ -179,10 +179,11 @@ static struct attribute *cppc_attrs[] = { &lowest_freq.attr, NULL }; +ATTRIBUTE_GROUPS(cppc); static struct kobj_type cppc_ktype = { .sysfs_ops = &kobj_sysfs_ops, - .default_attrs = cppc_attrs, + .default_groups = cppc_groups, }; static int check_pcc_chan(int pcc_ss_id, bool chk_err_bit) @@ -604,47 +605,30 @@ static bool is_cppc_supported(int revision, int num_ent) /* * An example CPC table looks like the following. * - * Name(_CPC, Package() - * { - * 17, - * NumEntries - * 1, - * // Revision - * ResourceTemplate(){Register(PCC, 32, 0, 0x120, 2)}, - * // Highest Performance - * ResourceTemplate(){Register(PCC, 32, 0, 0x124, 2)}, - * // Nominal Performance - * ResourceTemplate(){Register(PCC, 32, 0, 0x128, 2)}, - * // Lowest Nonlinear Performance - * ResourceTemplate(){Register(PCC, 32, 0, 0x12C, 2)}, - * // Lowest Performance - * ResourceTemplate(){Register(PCC, 32, 0, 0x130, 2)}, - * // Guaranteed Performance Register - * ResourceTemplate(){Register(PCC, 32, 0, 0x110, 2)}, - * // Desired Performance Register - * ResourceTemplate(){Register(SystemMemory, 0, 0, 0, 0)}, - * .. - * .. - * .. - * - * } + * Name (_CPC, Package() { + * 17, // NumEntries + * 1, // Revision + * ResourceTemplate() {Register(PCC, 32, 0, 0x120, 2)}, // Highest Performance + * ResourceTemplate() {Register(PCC, 32, 0, 0x124, 2)}, // Nominal Performance + * ResourceTemplate() {Register(PCC, 32, 0, 0x128, 2)}, // Lowest Nonlinear Performance + * ResourceTemplate() {Register(PCC, 32, 0, 0x12C, 2)}, // Lowest Performance + * ResourceTemplate() {Register(PCC, 32, 0, 0x130, 2)}, // Guaranteed Performance Register + * ResourceTemplate() {Register(PCC, 32, 0, 0x110, 2)}, // Desired Performance Register + * ResourceTemplate() {Register(SystemMemory, 0, 0, 0, 0)}, + * ... + * ... + * ... + * } * Each Register() encodes how to access that specific register. * e.g. a sample PCC entry has the following encoding: * - * Register ( - * PCC, - * AddressSpaceKeyword - * 8, - * //RegisterBitWidth - * 8, - * //RegisterBitOffset - * 0x30, - * //RegisterAddress - * 9 - * //AccessSize (subspace ID) - * 0 - * ) - * } + * Register ( + * PCC, // AddressSpaceKeyword + * 8, // RegisterBitWidth + * 8, // RegisterBitOffset + * 0x30, // RegisterAddress + * 9, // AccessSize (subspace ID) + * ) */ #ifndef init_freq_invariance_cppc |