AuxXxilium/linux_dsm_epyc7002
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Merge branches 'acpi-soc', 'acpi-misc', 'acpi-pci' and 'device-properties'

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* acpi-soc:
  ACPI / APD: Add device HID for future AMD UART controller

* acpi-misc:
  ACPI / util: cast data to u64 before shifting to fix sign extension

* acpi-pci:
  PCI: ACPI: IA64: fix IO port generic range check

* device-properties:
  ACPI / property: fix data node parsing in acpi_get_next_subnode()
This commit is contained in:
Rafael J. Wysocki 2016-03-25 00:59:41 +01:00
commit ee0140dc8f
4 changed files with 16 additions and 2 deletions
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1
drivers/acpi/acpi_apd.c
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@ -145,6 +145,7 @@ static const struct acpi_device_id acpi_apd_device_ids[] = {
{ "AMD0010", APD_ADDR(cz_i2c_desc) }, { "AMD0010", APD_ADDR(cz_i2c_desc) },
{ "AMDI0010", APD_ADDR(cz_i2c_desc) }, { "AMDI0010", APD_ADDR(cz_i2c_desc) },
{ "AMD0020", APD_ADDR(cz_uart_desc) }, { "AMD0020", APD_ADDR(cz_uart_desc) },
{ "AMDI0020", APD_ADDR(cz_uart_desc) },
{ "AMD0030", }, { "AMD0030", },
#endif #endif
#ifdef CONFIG_ARM64 #ifdef CONFIG_ARM64

1
drivers/acpi/property.c
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@ -816,6 +816,7 @@ struct fwnode_handle *acpi_get_next_subnode(struct device *dev,
next = adev->node.next; next = adev->node.next;
if (next == head) { if (next == head) {
child = NULL; child = NULL;
adev = ACPI_COMPANION(dev);
goto nondev; goto nondev;
} }
adev = list_entry(next, struct acpi_device, node); adev = list_entry(next, struct acpi_device, node);

14
drivers/acpi/resource.c
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@ -27,8 +27,20 @@
#ifdef CONFIG_X86 #ifdef CONFIG_X86
#define valid_IRQ(i) (((i) != 0) && ((i) != 2)) #define valid_IRQ(i) (((i) != 0) && ((i) != 2))
static inline bool acpi_iospace_resource_valid(struct resource *res)
{
/* On X86 IO space is limited to the [0 - 64K] IO port range */
return res->end < 0x10003;
}
#else #else
#define valid_IRQ(i) (true) #define valid_IRQ(i) (true)
/*
* ACPI IO descriptors on arches other than X86 contain MMIO CPU physical
* addresses mapping IO space in CPU physical address space, IO space
* resources can be placed anywhere in the 64-bit physical address space.
*/
static inline bool
acpi_iospace_resource_valid(struct resource *res) { return true; }
#endif #endif
static bool acpi_dev_resource_len_valid(u64 start, u64 end, u64 len, bool io) static bool acpi_dev_resource_len_valid(u64 start, u64 end, u64 len, bool io)
@ -127,7 +139,7 @@ static void acpi_dev_ioresource_flags(struct resource *res, u64 len,
if (!acpi_dev_resource_len_valid(res->start, res->end, len, true)) if (!acpi_dev_resource_len_valid(res->start, res->end, len, true))
res->flags |= IORESOURCE_DISABLED | IORESOURCE_UNSET; res->flags |= IORESOURCE_DISABLED | IORESOURCE_UNSET;
if (res->end >= 0x10003) if (!acpi_iospace_resource_valid(res))
res->flags |= IORESOURCE_DISABLED | IORESOURCE_UNSET; res->flags |= IORESOURCE_DISABLED | IORESOURCE_UNSET;
if (io_decode == ACPI_DECODE_16) if (io_decode == ACPI_DECODE_16)

2
drivers/acpi/utils.c
View File

@ -692,7 +692,7 @@ bool acpi_check_dsm(acpi_handle handle, const u8 *uuid, int rev, u64 funcs)
mask = obj->integer.value; mask = obj->integer.value;
else if (obj->type == ACPI_TYPE_BUFFER) else if (obj->type == ACPI_TYPE_BUFFER)
for (i = 0; i < obj->buffer.length && i < 8; i++) for (i = 0; i < obj->buffer.length && i < 8; i++)
mask |= (((u8)obj->buffer.pointer[i]) << (i * 8)); mask |= (((u64)obj->buffer.pointer[i]) << (i * 8));
ACPI_FREE(obj); ACPI_FREE(obj);
/* /*