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authorLv Zheng <lv.zheng@intel.com>2012-12-19 06:38:24 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-01-10 12:36:19 +0100
commit57bf6aefc2b9c89b89bb3fca54725ceea797bb63 (patch)
tree359d9e7f1ec3203cf3f8d25eaeec5d6c2f9f549b /drivers/acpi/acpica/rsmisc.c
parentACPICA: Add macros to extract flag bits from resource descriptors. (diff)
downloadlinux-57bf6aefc2b9c89b89bb3fca54725ceea797bb63.tar.xz
linux-57bf6aefc2b9c89b89bb3fca54725ceea797bb63.zip
ACPICA: Enhance the ACPI_GETx and ACPI_SETx macros.
Improve the implementation of the macros. Change the SETx macros to the style of (destination, source). Also add ACPI_CASTx companion macros. Lv Zheng. Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/rsmisc.c')
-rw-r--r--drivers/acpi/acpica/rsmisc.c71
1 files changed, 38 insertions, 33 deletions
diff --git a/drivers/acpi/acpica/rsmisc.c b/drivers/acpi/acpica/rsmisc.c
index 3d0e15cd1276..7b094ebff1db 100644
--- a/drivers/acpi/acpica/rsmisc.c
+++ b/drivers/acpi/acpica/rsmisc.c
@@ -136,30 +136,30 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
/*
* Mask and shift the flag bit
*/
- ACPI_SET8(destination) = (u8)
- ((ACPI_GET8(source) >> info->value) & 0x01);
+ ACPI_SET8(destination,
+ ((ACPI_GET8(source) >> info->value) & 0x01));
break;
case ACPI_RSC_2BITFLAG:
/*
* Mask and shift the flag bits
*/
- ACPI_SET8(destination) = (u8)
- ((ACPI_GET8(source) >> info->value) & 0x03);
+ ACPI_SET8(destination,
+ ((ACPI_GET8(source) >> info->value) & 0x03));
break;
case ACPI_RSC_3BITFLAG:
/*
* Mask and shift the flag bits
*/
- ACPI_SET8(destination) = (u8)
- ((ACPI_GET8(source) >> info->value) & 0x07);
+ ACPI_SET8(destination,
+ ((ACPI_GET8(source) >> info->value) & 0x07));
break;
case ACPI_RSC_COUNT:
item_count = ACPI_GET8(source);
- ACPI_SET8(destination) = (u8)item_count;
+ ACPI_SET8(destination, item_count);
resource->length = resource->length +
(info->value * (item_count - 1));
@@ -168,7 +168,7 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
case ACPI_RSC_COUNT16:
item_count = aml_resource_length;
- ACPI_SET16(destination) = item_count;
+ ACPI_SET16(destination, item_count);
resource->length = resource->length +
(info->value * (item_count - 1));
@@ -181,13 +181,13 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
resource->length = resource->length + item_count;
item_count = item_count / 2;
- ACPI_SET16(destination) = item_count;
+ ACPI_SET16(destination, item_count);
break;
case ACPI_RSC_COUNT_GPIO_VEN:
item_count = ACPI_GET8(source);
- ACPI_SET8(destination) = (u8)item_count;
+ ACPI_SET8(destination, item_count);
resource->length = resource->length +
(info->value * item_count);
@@ -216,7 +216,7 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
}
resource->length = resource->length + item_count;
- ACPI_SET16(destination) = item_count;
+ ACPI_SET16(destination, item_count);
break;
case ACPI_RSC_COUNT_SERIAL_VEN:
@@ -224,7 +224,7 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
item_count = ACPI_GET16(source) - info->value;
resource->length = resource->length + item_count;
- ACPI_SET16(destination) = item_count;
+ ACPI_SET16(destination, item_count);
break;
case ACPI_RSC_COUNT_SERIAL_RES:
@@ -234,7 +234,7 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
- ACPI_GET16(source) - info->value;
resource->length = resource->length + item_count;
- ACPI_SET16(destination) = item_count;
+ ACPI_SET16(destination, item_count);
break;
case ACPI_RSC_LENGTH:
@@ -385,7 +385,7 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
}
target = ACPI_ADD_PTR(char, resource, info->value);
- ACPI_SET8(target) = (u8)item_count;
+ ACPI_SET8(target, item_count);
break;
case ACPI_RSC_BITMASK16:
@@ -401,7 +401,7 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
}
target = ACPI_ADD_PTR(char, resource, info->value);
- ACPI_SET8(target) = (u8)item_count;
+ ACPI_SET8(target, item_count);
break;
case ACPI_RSC_EXIT_NE:
@@ -514,37 +514,40 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
/*
* Clear the flag byte
*/
- ACPI_SET8(destination) = 0;
+ ACPI_SET8(destination, 0);
break;
case ACPI_RSC_1BITFLAG:
/*
* Mask and shift the flag bit
*/
- ACPI_SET8(destination) |= (u8)
- ((ACPI_GET8(source) & 0x01) << info->value);
+ ACPI_SET_BIT(*ACPI_CAST8(destination), (u8)
+ ((ACPI_GET8(source) & 0x01) << info->
+ value));
break;
case ACPI_RSC_2BITFLAG:
/*
* Mask and shift the flag bits
*/
- ACPI_SET8(destination) |= (u8)
- ((ACPI_GET8(source) & 0x03) << info->value);
+ ACPI_SET_BIT(*ACPI_CAST8(destination), (u8)
+ ((ACPI_GET8(source) & 0x03) << info->
+ value));
break;
case ACPI_RSC_3BITFLAG:
/*
* Mask and shift the flag bits
*/
- ACPI_SET8(destination) |= (u8)
- ((ACPI_GET8(source) & 0x07) << info->value);
+ ACPI_SET_BIT(*ACPI_CAST8(destination), (u8)
+ ((ACPI_GET8(source) & 0x07) << info->
+ value));
break;
case ACPI_RSC_COUNT:
item_count = ACPI_GET8(source);
- ACPI_SET8(destination) = (u8)item_count;
+ ACPI_SET8(destination, item_count);
aml_length =
(u16) (aml_length +
@@ -561,18 +564,18 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
case ACPI_RSC_COUNT_GPIO_PIN:
item_count = ACPI_GET16(source);
- ACPI_SET16(destination) = (u16)aml_length;
+ ACPI_SET16(destination, aml_length);
aml_length = (u16)(aml_length + item_count * 2);
target = ACPI_ADD_PTR(void, aml, info->value);
- ACPI_SET16(target) = (u16)aml_length;
+ ACPI_SET16(target, aml_length);
acpi_rs_set_resource_length(aml_length, aml);
break;
case ACPI_RSC_COUNT_GPIO_VEN:
item_count = ACPI_GET16(source);
- ACPI_SET16(destination) = (u16)item_count;
+ ACPI_SET16(destination, item_count);
aml_length =
(u16)(aml_length + (info->value * item_count));
@@ -584,7 +587,7 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
/* Set resource source string length */
item_count = ACPI_GET16(source);
- ACPI_SET16(destination) = (u16)aml_length;
+ ACPI_SET16(destination, aml_length);
/* Compute offset for the Vendor Data */
@@ -594,7 +597,7 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
/* Set vendor offset only if there is vendor data */
if (resource->data.gpio.vendor_length) {
- ACPI_SET16(target) = (u16)aml_length;
+ ACPI_SET16(target, aml_length);
}
acpi_rs_set_resource_length(aml_length, aml);
@@ -603,7 +606,7 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
case ACPI_RSC_COUNT_SERIAL_VEN:
item_count = ACPI_GET16(source);
- ACPI_SET16(destination) = item_count + info->value;
+ ACPI_SET16(destination, item_count + info->value);
aml_length = (u16)(aml_length + item_count);
acpi_rs_set_resource_length(aml_length, aml);
break;
@@ -707,10 +710,12 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
/*
* 8-bit encoded bitmask (DMA macro)
*/
- ACPI_SET8(destination) = (u8)
- acpi_rs_encode_bitmask(source,
- *ACPI_ADD_PTR(u8, resource,
- info->value));
+ ACPI_SET8(destination,
+ acpi_rs_encode_bitmask(source,
+ *ACPI_ADD_PTR(u8,
+ resource,
+ info->
+ value)));
break;
case ACPI_RSC_BITMASK16: