diff options
| author | Steve French <sfrench@us.ibm.com> | 2008-05-06 17:55:32 +0000 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2008-05-06 17:55:32 +0000 |
| commit | a815752ac0ffdb910e92958d41d28f4fb28e5296 (patch) | |
| tree | a3aa16a282354da0debe8e3a3a7ed8aac6e54001 /drivers/acpi/resources/rscalc.c | |
| parent | 5ade9deaaa3e1f7291467d97b238648e43eae15e (diff) | |
| parent | a15306365a16380f3bafee9e181ba01231d4acd7 (diff) | |
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/acpi/resources/rscalc.c')
| -rw-r--r-- | drivers/acpi/resources/rscalc.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/drivers/acpi/resources/rscalc.c b/drivers/acpi/resources/rscalc.c index 0dd2ce8a3475..8a112d11d491 100644 --- a/drivers/acpi/resources/rscalc.c +++ b/drivers/acpi/resources/rscalc.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2007, R. Byron Moore + * Copyright (C) 2000 - 2008, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -73,7 +73,7 @@ acpi_rs_stream_option_length(u32 resource_length, u32 minimum_total_length); static u8 acpi_rs_count_set_bits(u16 bit_field) { - u8 bits_set; + acpi_native_uint bits_set; ACPI_FUNCTION_ENTRY(); @@ -81,10 +81,10 @@ static u8 acpi_rs_count_set_bits(u16 bit_field) /* Zero the least significant bit that is set */ - bit_field &= (bit_field - 1); + bit_field &= (u16) (bit_field - 1); } - return (bits_set); + return ((u8) bits_set); } /******************************************************************************* @@ -211,6 +211,24 @@ acpi_rs_get_aml_length(struct acpi_resource * resource, acpi_size * size_needed) * variable-length fields */ switch (resource->type) { + case ACPI_RESOURCE_TYPE_IRQ: + + /* Length can be 3 or 2 */ + + if (resource->data.irq.descriptor_length == 2) { + total_size--; + } + break; + + case ACPI_RESOURCE_TYPE_START_DEPENDENT: + + /* Length can be 1 or 0 */ + + if (resource->data.irq.descriptor_length == 0) { + total_size--; + } + break; + case ACPI_RESOURCE_TYPE_VENDOR: /* * Vendor Defined Resource: |