X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fpnp%2Fpnpacpi%2Frsparser.c;h=d7e9f2152df0913305495ee7c7c25f36cdbb9f18;hb=908cf4b925e419bc74f3297b2f0e51d6f8a81da2;hp=46c791adb8947dbf4e12005199f9a7179e35e8d6;hpb=34a5d713056c325e5bf2b5361646585d5f550a72;p=linux-2.6-omap-h63xx.git diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c index 46c791adb89..d7e9f2152df 100644 --- a/drivers/pnp/pnpacpi/rsparser.c +++ b/drivers/pnp/pnpacpi/rsparser.c @@ -3,6 +3,8 @@ * * Copyright (c) 2004 Matthieu Castet * Copyright (c) 2004 Li Shaohua + * Copyright (C) 2008 Hewlett-Packard Development Company, L.P. + * Bjorn Helgaas * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -98,8 +100,10 @@ static void pnpacpi_parse_allocated_irqresource(struct pnp_dev *dev, int irq, flags; int p, t; - if (!valid_IRQ(gsi)) + if (!valid_IRQ(gsi)) { + pnp_add_irq_resource(dev, gsi, IORESOURCE_DISABLED); return; + } /* * in IO-APIC mode, use overrided attribute. Two reasons: @@ -178,13 +182,68 @@ static void pnpacpi_parse_allocated_ioresource(struct pnp_dev *dev, u64 start, u64 end = start + len - 1; if (io_decode == ACPI_DECODE_16) - flags |= PNP_PORT_FLAG_16BITADDR; + flags |= IORESOURCE_IO_16BIT_ADDR; if (len == 0 || end >= 0x10003) flags |= IORESOURCE_DISABLED; pnp_add_io_resource(dev, start, end, flags); } +/* + * Device CSRs that do not appear in PCI config space should be described + * via ACPI. This would normally be done with Address Space Descriptors + * marked as "consumer-only," but old versions of Windows and Linux ignore + * the producer/consumer flag, so HP invented a vendor-defined resource to + * describe the location and size of CSR space. + */ +static struct acpi_vendor_uuid hp_ccsr_uuid = { + .subtype = 2, + .data = { 0xf9, 0xad, 0xe9, 0x69, 0x4f, 0x92, 0x5f, 0xab, 0xf6, 0x4a, + 0x24, 0xd2, 0x01, 0x37, 0x0e, 0xad }, +}; + +static int vendor_resource_matches(struct pnp_dev *dev, + struct acpi_resource_vendor_typed *vendor, + struct acpi_vendor_uuid *match, + int expected_len) +{ + int uuid_len = sizeof(vendor->uuid); + u8 uuid_subtype = vendor->uuid_subtype; + u8 *uuid = vendor->uuid; + int actual_len; + + /* byte_length includes uuid_subtype and uuid */ + actual_len = vendor->byte_length - uuid_len - 1; + + if (uuid_subtype == match->subtype && + uuid_len == sizeof(match->data) && + memcmp(uuid, match->data, uuid_len) == 0) { + if (expected_len && expected_len != actual_len) { + dev_err(&dev->dev, "wrong vendor descriptor size; " + "expected %d, found %d bytes\n", + expected_len, actual_len); + return 0; + } + + return 1; + } + + return 0; +} + +static void pnpacpi_parse_allocated_vendor(struct pnp_dev *dev, + struct acpi_resource_vendor_typed *vendor) +{ + if (vendor_resource_matches(dev, vendor, &hp_ccsr_uuid, 16)) { + u64 start, length; + + memcpy(&start, vendor->byte_data, sizeof(start)); + memcpy(&length, vendor->byte_data + 8, sizeof(length)); + + pnp_add_mem_resource(dev, start, start + length - 1, 0); + } +} + static void pnpacpi_parse_allocated_memresource(struct pnp_dev *dev, u64 start, u64 len, int write_protect) @@ -235,6 +294,7 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res, struct acpi_resource_dma *dma; struct acpi_resource_io *io; struct acpi_resource_fixed_io *fixed_io; + struct acpi_resource_vendor_typed *vendor_typed; struct acpi_resource_memory24 *memory24; struct acpi_resource_memory32 *memory32; struct acpi_resource_fixed_memory32 *fixed_memory32; @@ -248,24 +308,39 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res, * _CRS, but some firmware violates this, so parse them all. */ irq = &res->data.irq; - for (i = 0; i < irq->interrupt_count; i++) { - pnpacpi_parse_allocated_irqresource(dev, - irq->interrupts[i], - irq->triggering, - irq->polarity, - irq->sharable); + if (irq->interrupt_count == 0) + pnp_add_irq_resource(dev, 0, IORESOURCE_DISABLED); + else { + for (i = 0; i < irq->interrupt_count; i++) { + pnpacpi_parse_allocated_irqresource(dev, + irq->interrupts[i], + irq->triggering, + irq->polarity, + irq->sharable); + } + + /* + * The IRQ encoder puts a single interrupt in each + * descriptor, so if a _CRS descriptor has more than + * one interrupt, we won't be able to re-encode it. + */ + if (pnp_can_write(dev) && irq->interrupt_count > 1) { + dev_warn(&dev->dev, "multiple interrupts in " + "_CRS descriptor; configuration can't " + "be changed\n"); + dev->capabilities &= ~PNP_WRITE; + } } break; case ACPI_RESOURCE_TYPE_DMA: dma = &res->data.dma; - if (dma->channel_count > 0) { + if (dma->channel_count > 0 && dma->channels[0] != (u8) -1) flags = dma_flags(dma->type, dma->bus_master, dma->transfer); - if (dma->channels[0] == (u8) -1) - flags |= IORESOURCE_DISABLED; - pnp_add_dma_resource(dev, dma->channels[0], flags); - } + else + flags = IORESOURCE_DISABLED; + pnp_add_dma_resource(dev, dma->channels[0], flags); break; case ACPI_RESOURCE_TYPE_IO: @@ -289,6 +364,8 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res, break; case ACPI_RESOURCE_TYPE_VENDOR: + vendor_typed = &res->data.vendor_typed; + pnpacpi_parse_allocated_vendor(dev, vendor_typed); break; case ACPI_RESOURCE_TYPE_END_TAG: @@ -331,12 +408,29 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res, if (extended_irq->producer_consumer == ACPI_PRODUCER) return AE_OK; - for (i = 0; i < extended_irq->interrupt_count; i++) { - pnpacpi_parse_allocated_irqresource(dev, - extended_irq->interrupts[i], - extended_irq->triggering, - extended_irq->polarity, - extended_irq->sharable); + if (extended_irq->interrupt_count == 0) + pnp_add_irq_resource(dev, 0, IORESOURCE_DISABLED); + else { + for (i = 0; i < extended_irq->interrupt_count; i++) { + pnpacpi_parse_allocated_irqresource(dev, + extended_irq->interrupts[i], + extended_irq->triggering, + extended_irq->polarity, + extended_irq->sharable); + } + + /* + * The IRQ encoder puts a single interrupt in each + * descriptor, so if a _CRS descriptor has more than + * one interrupt, we won't be able to re-encode it. + */ + if (pnp_can_write(dev) && + extended_irq->interrupt_count > 1) { + dev_warn(&dev->dev, "multiple interrupts in " + "_CRS descriptor; configuration can't " + "be changed\n"); + dev->capabilities &= ~PNP_WRITE; + } } break; @@ -373,179 +467,147 @@ int pnpacpi_parse_allocated_resource(struct pnp_dev *dev) } static __init void pnpacpi_parse_dma_option(struct pnp_dev *dev, - struct pnp_option *option, + unsigned int option_flags, struct acpi_resource_dma *p) { int i; - struct pnp_dma *dma; + unsigned char map = 0, flags; if (p->channel_count == 0) return; - dma = kzalloc(sizeof(struct pnp_dma), GFP_KERNEL); - if (!dma) - return; for (i = 0; i < p->channel_count; i++) - dma->map |= 1 << p->channels[i]; - - dma->flags = dma_flags(p->type, p->bus_master, p->transfer); + map |= 1 << p->channels[i]; - pnp_register_dma_resource(dev, option, dma); + flags = dma_flags(p->type, p->bus_master, p->transfer); + pnp_register_dma_resource(dev, option_flags, map, flags); } static __init void pnpacpi_parse_irq_option(struct pnp_dev *dev, - struct pnp_option *option, + unsigned int option_flags, struct acpi_resource_irq *p) { int i; - struct pnp_irq *irq; + pnp_irq_mask_t map; + unsigned char flags; if (p->interrupt_count == 0) return; - irq = kzalloc(sizeof(struct pnp_irq), GFP_KERNEL); - if (!irq) - return; + bitmap_zero(map.bits, PNP_IRQ_NR); for (i = 0; i < p->interrupt_count; i++) if (p->interrupts[i]) - __set_bit(p->interrupts[i], irq->map); - irq->flags = irq_flags(p->triggering, p->polarity, p->sharable); + __set_bit(p->interrupts[i], map.bits); - pnp_register_irq_resource(dev, option, irq); + flags = irq_flags(p->triggering, p->polarity, p->sharable); + pnp_register_irq_resource(dev, option_flags, &map, flags); } static __init void pnpacpi_parse_ext_irq_option(struct pnp_dev *dev, - struct pnp_option *option, + unsigned int option_flags, struct acpi_resource_extended_irq *p) { int i; - struct pnp_irq *irq; + pnp_irq_mask_t map; + unsigned char flags; if (p->interrupt_count == 0) return; - irq = kzalloc(sizeof(struct pnp_irq), GFP_KERNEL); - if (!irq) - return; - for (i = 0; i < p->interrupt_count; i++) - if (p->interrupts[i]) - __set_bit(p->interrupts[i], irq->map); - irq->flags = irq_flags(p->triggering, p->polarity, p->sharable); + bitmap_zero(map.bits, PNP_IRQ_NR); + for (i = 0; i < p->interrupt_count; i++) { + if (p->interrupts[i]) { + if (p->interrupts[i] < PNP_IRQ_NR) + __set_bit(p->interrupts[i], map.bits); + else + dev_err(&dev->dev, "ignoring IRQ %d option " + "(too large for %d entry bitmap)\n", + p->interrupts[i], PNP_IRQ_NR); + } + } - pnp_register_irq_resource(dev, option, irq); + flags = irq_flags(p->triggering, p->polarity, p->sharable); + pnp_register_irq_resource(dev, option_flags, &map, flags); } static __init void pnpacpi_parse_port_option(struct pnp_dev *dev, - struct pnp_option *option, + unsigned int option_flags, struct acpi_resource_io *io) { - struct pnp_port *port; + unsigned char flags = 0; if (io->address_length == 0) return; - port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL); - if (!port) - return; - port->min = io->minimum; - port->max = io->maximum; - port->align = io->alignment; - port->size = io->address_length; - port->flags = ACPI_DECODE_16 == io->io_decode ? - PNP_PORT_FLAG_16BITADDR : 0; - pnp_register_port_resource(dev, option, port); + + if (io->io_decode == ACPI_DECODE_16) + flags = IORESOURCE_IO_16BIT_ADDR; + pnp_register_port_resource(dev, option_flags, io->minimum, io->maximum, + io->alignment, io->address_length, flags); } static __init void pnpacpi_parse_fixed_port_option(struct pnp_dev *dev, - struct pnp_option *option, + unsigned int option_flags, struct acpi_resource_fixed_io *io) { - struct pnp_port *port; - if (io->address_length == 0) return; - port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL); - if (!port) - return; - port->min = port->max = io->address; - port->size = io->address_length; - port->align = 0; - port->flags = PNP_PORT_FLAG_FIXED; - pnp_register_port_resource(dev, option, port); + + pnp_register_port_resource(dev, option_flags, io->address, io->address, + 0, io->address_length, IORESOURCE_IO_FIXED); } static __init void pnpacpi_parse_mem24_option(struct pnp_dev *dev, - struct pnp_option *option, + unsigned int option_flags, struct acpi_resource_memory24 *p) { - struct pnp_mem *mem; + unsigned char flags = 0; if (p->address_length == 0) return; - mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); - if (!mem) - return; - mem->min = p->minimum; - mem->max = p->maximum; - mem->align = p->alignment; - mem->size = p->address_length; - - mem->flags = (ACPI_READ_WRITE_MEMORY == p->write_protect) ? - IORESOURCE_MEM_WRITEABLE : 0; - pnp_register_mem_resource(dev, option, mem); + if (p->write_protect == ACPI_READ_WRITE_MEMORY) + flags = IORESOURCE_MEM_WRITEABLE; + pnp_register_mem_resource(dev, option_flags, p->minimum, p->maximum, + p->alignment, p->address_length, flags); } static __init void pnpacpi_parse_mem32_option(struct pnp_dev *dev, - struct pnp_option *option, + unsigned int option_flags, struct acpi_resource_memory32 *p) { - struct pnp_mem *mem; + unsigned char flags = 0; if (p->address_length == 0) return; - mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); - if (!mem) - return; - mem->min = p->minimum; - mem->max = p->maximum; - mem->align = p->alignment; - mem->size = p->address_length; - - mem->flags = (ACPI_READ_WRITE_MEMORY == p->write_protect) ? - IORESOURCE_MEM_WRITEABLE : 0; - pnp_register_mem_resource(dev, option, mem); + if (p->write_protect == ACPI_READ_WRITE_MEMORY) + flags = IORESOURCE_MEM_WRITEABLE; + pnp_register_mem_resource(dev, option_flags, p->minimum, p->maximum, + p->alignment, p->address_length, flags); } static __init void pnpacpi_parse_fixed_mem32_option(struct pnp_dev *dev, - struct pnp_option *option, + unsigned int option_flags, struct acpi_resource_fixed_memory32 *p) { - struct pnp_mem *mem; + unsigned char flags = 0; if (p->address_length == 0) return; - mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); - if (!mem) - return; - mem->min = mem->max = p->address; - mem->size = p->address_length; - mem->align = 0; - - mem->flags = (ACPI_READ_WRITE_MEMORY == p->write_protect) ? - IORESOURCE_MEM_WRITEABLE : 0; - pnp_register_mem_resource(dev, option, mem); + if (p->write_protect == ACPI_READ_WRITE_MEMORY) + flags = IORESOURCE_MEM_WRITEABLE; + pnp_register_mem_resource(dev, option_flags, p->address, p->address, + 0, p->address_length, flags); } static __init void pnpacpi_parse_address_option(struct pnp_dev *dev, - struct pnp_option *option, + unsigned int option_flags, struct acpi_resource *r) { struct acpi_resource_address64 addr, *p = &addr; acpi_status status; - struct pnp_mem *mem; - struct pnp_port *port; + unsigned char flags = 0; status = acpi_resource_to_address64(r, p); if (!ACPI_SUCCESS(status)) { @@ -558,49 +620,37 @@ static __init void pnpacpi_parse_address_option(struct pnp_dev *dev, return; if (p->resource_type == ACPI_MEMORY_RANGE) { - mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); - if (!mem) - return; - mem->min = mem->max = p->minimum; - mem->size = p->address_length; - mem->align = 0; - mem->flags = (p->info.mem.write_protect == - ACPI_READ_WRITE_MEMORY) ? IORESOURCE_MEM_WRITEABLE - : 0; - pnp_register_mem_resource(dev, option, mem); - } else if (p->resource_type == ACPI_IO_RANGE) { - port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL); - if (!port) - return; - port->min = port->max = p->minimum; - port->size = p->address_length; - port->align = 0; - port->flags = PNP_PORT_FLAG_FIXED; - pnp_register_port_resource(dev, option, port); - } + if (p->info.mem.write_protect == ACPI_READ_WRITE_MEMORY) + flags = IORESOURCE_MEM_WRITEABLE; + pnp_register_mem_resource(dev, option_flags, p->minimum, + p->minimum, 0, p->address_length, + flags); + } else if (p->resource_type == ACPI_IO_RANGE) + pnp_register_port_resource(dev, option_flags, p->minimum, + p->minimum, 0, p->address_length, + IORESOURCE_IO_FIXED); } struct acpipnp_parse_option_s { - struct pnp_option *option; - struct pnp_option *option_independent; struct pnp_dev *dev; + unsigned int option_flags; }; static __init acpi_status pnpacpi_option_resource(struct acpi_resource *res, void *data) { - int priority = 0; + int priority; struct acpipnp_parse_option_s *parse_data = data; struct pnp_dev *dev = parse_data->dev; - struct pnp_option *option = parse_data->option; + unsigned int option_flags = parse_data->option_flags; switch (res->type) { case ACPI_RESOURCE_TYPE_IRQ: - pnpacpi_parse_irq_option(dev, option, &res->data.irq); + pnpacpi_parse_irq_option(dev, option_flags, &res->data.irq); break; case ACPI_RESOURCE_TYPE_DMA: - pnpacpi_parse_dma_option(dev, option, &res->data.dma); + pnpacpi_parse_dma_option(dev, option_flags, &res->data.dma); break; case ACPI_RESOURCE_TYPE_START_DEPENDENT: @@ -620,31 +670,19 @@ static __init acpi_status pnpacpi_option_resource(struct acpi_resource *res, priority = PNP_RES_PRIORITY_INVALID; break; } - /* TBD: Consider performance/robustness bits */ - option = pnp_register_dependent_option(dev, priority); - if (!option) - return AE_ERROR; - parse_data->option = option; + parse_data->option_flags = pnp_new_dependent_set(dev, priority); break; case ACPI_RESOURCE_TYPE_END_DEPENDENT: - /*only one EndDependentFn is allowed */ - if (!parse_data->option_independent) { - dev_warn(&dev->dev, "more than one EndDependentFn " - "in _PRS\n"); - return AE_ERROR; - } - parse_data->option = parse_data->option_independent; - parse_data->option_independent = NULL; - dev_dbg(&dev->dev, "end dependent options\n"); + parse_data->option_flags = 0; break; case ACPI_RESOURCE_TYPE_IO: - pnpacpi_parse_port_option(dev, option, &res->data.io); + pnpacpi_parse_port_option(dev, option_flags, &res->data.io); break; case ACPI_RESOURCE_TYPE_FIXED_IO: - pnpacpi_parse_fixed_port_option(dev, option, + pnpacpi_parse_fixed_port_option(dev, option_flags, &res->data.fixed_io); break; @@ -653,29 +691,31 @@ static __init acpi_status pnpacpi_option_resource(struct acpi_resource *res, break; case ACPI_RESOURCE_TYPE_MEMORY24: - pnpacpi_parse_mem24_option(dev, option, &res->data.memory24); + pnpacpi_parse_mem24_option(dev, option_flags, + &res->data.memory24); break; case ACPI_RESOURCE_TYPE_MEMORY32: - pnpacpi_parse_mem32_option(dev, option, &res->data.memory32); + pnpacpi_parse_mem32_option(dev, option_flags, + &res->data.memory32); break; case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: - pnpacpi_parse_fixed_mem32_option(dev, option, + pnpacpi_parse_fixed_mem32_option(dev, option_flags, &res->data.fixed_memory32); break; case ACPI_RESOURCE_TYPE_ADDRESS16: case ACPI_RESOURCE_TYPE_ADDRESS32: case ACPI_RESOURCE_TYPE_ADDRESS64: - pnpacpi_parse_address_option(dev, option, res); + pnpacpi_parse_address_option(dev, option_flags, res); break; case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64: break; case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: - pnpacpi_parse_ext_irq_option(dev, option, + pnpacpi_parse_ext_irq_option(dev, option_flags, &res->data.extended_irq); break; @@ -699,12 +739,9 @@ int __init pnpacpi_parse_resource_option_data(struct pnp_dev *dev) dev_dbg(&dev->dev, "parse resource options\n"); - parse_data.option = pnp_register_independent_option(dev); - if (!parse_data.option) - return -ENOMEM; - - parse_data.option_independent = parse_data.option; parse_data.dev = dev; + parse_data.option_flags = 0; + status = acpi_walk_resources(handle, METHOD_NAME__PRS, pnpacpi_option_resource, &parse_data); @@ -806,6 +843,13 @@ static void pnpacpi_encode_irq(struct pnp_dev *dev, struct acpi_resource_irq *irq = &resource->data.irq; int triggering, polarity, shareable; + if (!pnp_resource_enabled(p)) { + irq->interrupt_count = 0; + dev_dbg(&dev->dev, " encode irq (%s)\n", + p ? "disabled" : "missing"); + return; + } + decode_irq_flags(dev, p->flags, &triggering, &polarity, &shareable); irq->triggering = triggering; irq->polarity = polarity; @@ -828,6 +872,13 @@ static void pnpacpi_encode_ext_irq(struct pnp_dev *dev, struct acpi_resource_extended_irq *extended_irq = &resource->data.extended_irq; int triggering, polarity, shareable; + if (!pnp_resource_enabled(p)) { + extended_irq->interrupt_count = 0; + dev_dbg(&dev->dev, " encode extended irq (%s)\n", + p ? "disabled" : "missing"); + return; + } + decode_irq_flags(dev, p->flags, &triggering, &polarity, &shareable); extended_irq->producer_consumer = ACPI_CONSUMER; extended_irq->triggering = triggering; @@ -848,6 +899,13 @@ static void pnpacpi_encode_dma(struct pnp_dev *dev, { struct acpi_resource_dma *dma = &resource->data.dma; + if (!pnp_resource_enabled(p)) { + dma->channel_count = 0; + dev_dbg(&dev->dev, " encode dma (%s)\n", + p ? "disabled" : "missing"); + return; + } + /* Note: pnp_assign_dma will copy pnp_dma->flags into p->flags */ switch (p->flags & IORESOURCE_DMA_SPEED_MASK) { case IORESOURCE_DMA_TYPEA: @@ -889,17 +947,21 @@ static void pnpacpi_encode_io(struct pnp_dev *dev, { struct acpi_resource_io *io = &resource->data.io; - /* Note: pnp_assign_port will copy pnp_port->flags into p->flags */ - io->io_decode = (p->flags & PNP_PORT_FLAG_16BITADDR) ? - ACPI_DECODE_16 : ACPI_DECODE_10; - io->minimum = p->start; - io->maximum = p->end; - io->alignment = 0; /* Correct? */ - io->address_length = p->end - p->start + 1; - - dev_dbg(&dev->dev, " encode io %#llx-%#llx decode %#x\n", - (unsigned long long) p->start, (unsigned long long) p->end, - io->io_decode); + if (pnp_resource_enabled(p)) { + /* Note: pnp_assign_port copies pnp_port->flags into p->flags */ + io->io_decode = (p->flags & IORESOURCE_IO_16BIT_ADDR) ? + ACPI_DECODE_16 : ACPI_DECODE_10; + io->minimum = p->start; + io->maximum = p->end; + io->alignment = 0; /* Correct? */ + io->address_length = p->end - p->start + 1; + } else { + io->minimum = 0; + io->address_length = 0; + } + + dev_dbg(&dev->dev, " encode io %#x-%#x decode %#x\n", io->minimum, + io->minimum + io->address_length - 1, io->io_decode); } static void pnpacpi_encode_fixed_io(struct pnp_dev *dev, @@ -908,11 +970,16 @@ static void pnpacpi_encode_fixed_io(struct pnp_dev *dev, { struct acpi_resource_fixed_io *fixed_io = &resource->data.fixed_io; - fixed_io->address = p->start; - fixed_io->address_length = p->end - p->start + 1; + if (pnp_resource_enabled(p)) { + fixed_io->address = p->start; + fixed_io->address_length = p->end - p->start + 1; + } else { + fixed_io->address = 0; + fixed_io->address_length = 0; + } - dev_dbg(&dev->dev, " encode fixed_io %#llx-%#llx\n", - (unsigned long long) p->start, (unsigned long long) p->end); + dev_dbg(&dev->dev, " encode fixed_io %#x-%#x\n", fixed_io->address, + fixed_io->address + fixed_io->address_length - 1); } static void pnpacpi_encode_mem24(struct pnp_dev *dev, @@ -921,17 +988,22 @@ static void pnpacpi_encode_mem24(struct pnp_dev *dev, { struct acpi_resource_memory24 *memory24 = &resource->data.memory24; - /* Note: pnp_assign_mem will copy pnp_mem->flags into p->flags */ - memory24->write_protect = - (p->flags & IORESOURCE_MEM_WRITEABLE) ? - ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY; - memory24->minimum = p->start; - memory24->maximum = p->end; - memory24->alignment = 0; - memory24->address_length = p->end - p->start + 1; - - dev_dbg(&dev->dev, " encode mem24 %#llx-%#llx write_protect %#x\n", - (unsigned long long) p->start, (unsigned long long) p->end, + if (pnp_resource_enabled(p)) { + /* Note: pnp_assign_mem copies pnp_mem->flags into p->flags */ + memory24->write_protect = p->flags & IORESOURCE_MEM_WRITEABLE ? + ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY; + memory24->minimum = p->start; + memory24->maximum = p->end; + memory24->alignment = 0; + memory24->address_length = p->end - p->start + 1; + } else { + memory24->minimum = 0; + memory24->address_length = 0; + } + + dev_dbg(&dev->dev, " encode mem24 %#x-%#x write_protect %#x\n", + memory24->minimum, + memory24->minimum + memory24->address_length - 1, memory24->write_protect); } @@ -941,16 +1013,21 @@ static void pnpacpi_encode_mem32(struct pnp_dev *dev, { struct acpi_resource_memory32 *memory32 = &resource->data.memory32; - memory32->write_protect = - (p->flags & IORESOURCE_MEM_WRITEABLE) ? - ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY; - memory32->minimum = p->start; - memory32->maximum = p->end; - memory32->alignment = 0; - memory32->address_length = p->end - p->start + 1; + if (pnp_resource_enabled(p)) { + memory32->write_protect = p->flags & IORESOURCE_MEM_WRITEABLE ? + ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY; + memory32->minimum = p->start; + memory32->maximum = p->end; + memory32->alignment = 0; + memory32->address_length = p->end - p->start + 1; + } else { + memory32->minimum = 0; + memory32->alignment = 0; + } - dev_dbg(&dev->dev, " encode mem32 %#llx-%#llx write_protect %#x\n", - (unsigned long long) p->start, (unsigned long long) p->end, + dev_dbg(&dev->dev, " encode mem32 %#x-%#x write_protect %#x\n", + memory32->minimum, + memory32->minimum + memory32->address_length - 1, memory32->write_protect); } @@ -960,15 +1037,20 @@ static void pnpacpi_encode_fixed_mem32(struct pnp_dev *dev, { struct acpi_resource_fixed_memory32 *fixed_memory32 = &resource->data.fixed_memory32; - fixed_memory32->write_protect = - (p->flags & IORESOURCE_MEM_WRITEABLE) ? - ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY; - fixed_memory32->address = p->start; - fixed_memory32->address_length = p->end - p->start + 1; + if (pnp_resource_enabled(p)) { + fixed_memory32->write_protect = + p->flags & IORESOURCE_MEM_WRITEABLE ? + ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY; + fixed_memory32->address = p->start; + fixed_memory32->address_length = p->end - p->start + 1; + } else { + fixed_memory32->address = 0; + fixed_memory32->address_length = 0; + } - dev_dbg(&dev->dev, " encode fixed_mem32 %#llx-%#llx " - "write_protect %#x\n", - (unsigned long long) p->start, (unsigned long long) p->end, + dev_dbg(&dev->dev, " encode fixed_mem32 %#x-%#x write_protect %#x\n", + fixed_memory32->address, + fixed_memory32->address + fixed_memory32->address_length - 1, fixed_memory32->write_protect); }