mirror of
https://github.com/lwfinger/rtl8188eu.git
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rtl8188eu: Fix some sparse warnings
The driver did not work on PowerPC, which is big endian. This patch fixes all the sparse warnings concerning improper use of __le16 and __le32 variables. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
This commit is contained in:
Larry Finger
parent
77e8b5de91
commit
7c7f632ac7
25 changed files with 502 additions and 684 deletions
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@ -59,167 +59,138 @@
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* 3. After read integer from IO.
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*/
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//
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// Byte Swapping routine.
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//
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#define EF1Byte
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#define EF2Byte le16_to_cpu
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#define EF4Byte le32_to_cpu
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/* Convert little data endian to host ordering */
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#define EF1BYTE(_val) \
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((u8)(_val))
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#define EF2BYTE(_val) \
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(le16_to_cpu(_val))
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#define EF4BYTE(_val) \
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(le32_to_cpu(_val))
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//
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// Read LE format data from memory
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//
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#define ReadEF1Byte(_ptr) EF1Byte(*((u8 *)(_ptr)))
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#define ReadEF2Byte(_ptr) EF2Byte(*((u16 *)(_ptr)))
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#define ReadEF4Byte(_ptr) EF4Byte(*((u32 *)(_ptr)))
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/* Read data from memory */
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#define READEF1BYTE(_ptr) \
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EF1BYTE(*((u8 *)(_ptr)))
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/* Read le16 data from memory and convert to host ordering */
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#define READEF2BYTE(_ptr) \
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EF2BYTE(*(_ptr))
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#define READEF4BYTE(_ptr) \
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EF4BYTE(*(_ptr))
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//
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// Write LE data to memory
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//
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#define WriteEF1Byte(_ptr, _val) (*((u8 *)(_ptr)))=EF1Byte(_val)
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#define WriteEF2Byte(_ptr, _val) (*((u16 *)(_ptr)))=EF2Byte(_val)
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#define WriteEF4Byte(_ptr, _val) (*((u32 *)(_ptr)))=EF4Byte(_val)
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/* Write data to memory */
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#define WRITEEF1BYTE(_ptr, _val) \
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do { \
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(*((u8 *)(_ptr))) = EF1BYTE(_val) \
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} while (0)
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/* Write le data to memory in host ordering */
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#define WRITEEF2BYTE(_ptr, _val) \
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do { \
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(*((u16 *)(_ptr))) = EF2BYTE(_val) \
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} while (0)
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//
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// Example:
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// BIT_LEN_MASK_32(0) => 0x00000000
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// BIT_LEN_MASK_32(1) => 0x00000001
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// BIT_LEN_MASK_32(2) => 0x00000003
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// BIT_LEN_MASK_32(32) => 0xFFFFFFFF
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//
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#define BIT_LEN_MASK_32(__BitLen) \
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(0xFFFFFFFF >> (32 - (__BitLen)))
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//
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// Example:
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// BIT_OFFSET_LEN_MASK_32(0, 2) => 0x00000003
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// BIT_OFFSET_LEN_MASK_32(16, 2) => 0x00030000
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//
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#define BIT_OFFSET_LEN_MASK_32(__BitOffset, __BitLen) \
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(BIT_LEN_MASK_32(__BitLen) << (__BitOffset))
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#define WRITEEF4BYTE(_ptr, _val) \
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do { \
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(*((u32 *)(_ptr))) = EF2BYTE(_val) \
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} while (0)
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//
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// Description:
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// Return 4-byte value in host byte ordering from
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// 4-byte pointer in litten-endian system.
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//
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#define LE_P4BYTE_TO_HOST_4BYTE(__pStart) \
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(EF4Byte(*((u32 *)(__pStart))))
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/* Create a bit mask
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* Examples:
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* BIT_LEN_MASK_32(0) => 0x00000000
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* BIT_LEN_MASK_32(1) => 0x00000001
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* BIT_LEN_MASK_32(2) => 0x00000003
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* BIT_LEN_MASK_32(32) => 0xFFFFFFFF
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*/
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#define BIT_LEN_MASK_32(__bitlen) \
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(0xFFFFFFFF >> (32 - (__bitlen)))
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#define BIT_LEN_MASK_16(__bitlen) \
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(0xFFFF >> (16 - (__bitlen)))
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#define BIT_LEN_MASK_8(__bitlen) \
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(0xFF >> (8 - (__bitlen)))
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//
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// Description:
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// Translate subfield (continuous bits in little-endian) of 4-byte value in litten byte to
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// 4-byte value in host byte ordering.
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//
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#define LE_BITS_TO_4BYTE(__pStart, __BitOffset, __BitLen) \
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/* Create an offset bit mask
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* Examples:
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* BIT_OFFSET_LEN_MASK_32(0, 2) => 0x00000003
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* BIT_OFFSET_LEN_MASK_32(16, 2) => 0x00030000
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*/
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#define BIT_OFFSET_LEN_MASK_32(__bitoffset, __bitlen) \
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(BIT_LEN_MASK_32(__bitlen) << (__bitoffset))
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#define BIT_OFFSET_LEN_MASK_16(__bitoffset, __bitlen) \
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(BIT_LEN_MASK_16(__bitlen) << (__bitoffset))
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#define BIT_OFFSET_LEN_MASK_8(__bitoffset, __bitlen) \
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(BIT_LEN_MASK_8(__bitlen) << (__bitoffset))
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/*Description:
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* Return 4-byte value in host byte ordering from
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* 4-byte pointer in little-endian system.
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*/
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#define LE_P4BYTE_TO_HOST_4BYTE(__pstart) \
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(EF4BYTE(*((__le32 *)(__pstart))))
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#define LE_P2BYTE_TO_HOST_2BYTE(__pstart) \
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(EF2BYTE(*((__le16 *)(__pstart))))
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#define LE_P1BYTE_TO_HOST_1BYTE(__pstart) \
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(EF1BYTE(*((u8 *)(__pstart))))
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/*Description:
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Translate subfield (continuous bits in little-endian) of 4-byte
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value to host byte ordering.*/
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#define LE_BITS_TO_4BYTE(__pstart, __bitoffset, __bitlen) \
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( \
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( LE_P4BYTE_TO_HOST_4BYTE(__pStart) >> (__BitOffset) ) \
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& \
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BIT_LEN_MASK_32(__BitLen) \
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(LE_P4BYTE_TO_HOST_4BYTE(__pstart) >> (__bitoffset)) & \
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BIT_LEN_MASK_32(__bitlen) \
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)
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#define LE_BITS_TO_2BYTE(__pstart, __bitoffset, __bitlen) \
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( \
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(LE_P2BYTE_TO_HOST_2BYTE(__pstart) >> (__bitoffset)) & \
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BIT_LEN_MASK_16(__bitlen) \
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)
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#define LE_BITS_TO_1BYTE(__pstart, __bitoffset, __bitlen) \
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( \
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(LE_P1BYTE_TO_HOST_1BYTE(__pstart) >> (__bitoffset)) & \
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BIT_LEN_MASK_8(__bitlen) \
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)
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//
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// Description:
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// Mask subfield (continuous bits in little-endian) of 4-byte value in litten byte oredering
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// and return the result in 4-byte value in host byte ordering.
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//
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#define LE_BITS_CLEARED_TO_4BYTE(__pStart, __BitOffset, __BitLen) \
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/* Description:
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* Mask subfield (continuous bits in little-endian) of 4-byte value
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* and return the result in 4-byte value in host byte ordering.
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*/
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#define LE_BITS_CLEARED_TO_4BYTE(__pstart, __bitoffset, __bitlen) \
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( \
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LE_P4BYTE_TO_HOST_4BYTE(__pStart) \
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& \
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( ~BIT_OFFSET_LEN_MASK_32(__BitOffset, __BitLen) ) \
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LE_P4BYTE_TO_HOST_4BYTE(__pstart) & \
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(~BIT_OFFSET_LEN_MASK_32(__bitoffset, __bitlen)) \
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)
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#define LE_BITS_CLEARED_TO_2BYTE(__pstart, __bitoffset, __bitlen) \
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( \
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LE_P2BYTE_TO_HOST_2BYTE(__pstart) & \
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(~BIT_OFFSET_LEN_MASK_16(__bitoffset, __bitlen)) \
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)
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#define LE_BITS_CLEARED_TO_1BYTE(__pstart, __bitoffset, __bitlen) \
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( \
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LE_P1BYTE_TO_HOST_1BYTE(__pstart) & \
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(~BIT_OFFSET_LEN_MASK_8(__bitoffset, __bitlen)) \
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)
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//
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// Description:
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// Set subfield of little-endian 4-byte value to specified value.
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//
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#define SET_BITS_TO_LE_4BYTE(__pStart, __BitOffset, __BitLen, __Value) \
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*((u32 *)(__pStart)) = \
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EF4Byte( \
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LE_BITS_CLEARED_TO_4BYTE(__pStart, __BitOffset, __BitLen) \
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| \
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( (((u32)__Value) & BIT_LEN_MASK_32(__BitLen)) << (__BitOffset) ) \
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/* Description:
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* Set subfield of little-endian 4-byte value to specified value.
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*/
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#define SET_BITS_TO_LE_4BYTE(__pstart, __bitoffset, __bitlen, __val) \
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*((u32 *)(__pstart)) = \
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( \
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LE_BITS_CLEARED_TO_4BYTE(__pstart, __bitoffset, __bitlen) | \
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((((u32)__val) & BIT_LEN_MASK_32(__bitlen)) << (__bitoffset)) \
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)
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#define SET_BITS_TO_LE_2BYTE(__pstart, __bitoffset, __bitlen, __val) \
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*((u16 *)(__pstart)) = \
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( \
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LE_BITS_CLEARED_TO_2BYTE(__pstart, __bitoffset, __bitlen) | \
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((((u16)__val) & BIT_LEN_MASK_16(__bitlen)) << (__bitoffset)) \
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);
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#define BIT_LEN_MASK_16(__BitLen) \
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(0xFFFF >> (16 - (__BitLen)))
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#define BIT_OFFSET_LEN_MASK_16(__BitOffset, __BitLen) \
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(BIT_LEN_MASK_16(__BitLen) << (__BitOffset))
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#define LE_P2BYTE_TO_HOST_2BYTE(__pStart) \
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(EF2Byte(*((u16 *)(__pStart))))
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#define LE_BITS_TO_2BYTE(__pStart, __BitOffset, __BitLen) \
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( \
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( LE_P2BYTE_TO_HOST_2BYTE(__pStart) >> (__BitOffset) ) \
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& \
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BIT_LEN_MASK_16(__BitLen) \
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)
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#define LE_BITS_CLEARED_TO_2BYTE(__pStart, __BitOffset, __BitLen) \
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( \
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LE_P2BYTE_TO_HOST_2BYTE(__pStart) \
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& \
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( ~BIT_OFFSET_LEN_MASK_16(__BitOffset, __BitLen) ) \
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)
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#define SET_BITS_TO_LE_2BYTE(__pStart, __BitOffset, __BitLen, __Value) \
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*((u16 *)(__pStart)) = \
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EF2Byte( \
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LE_BITS_CLEARED_TO_2BYTE(__pStart, __BitOffset, __BitLen) \
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| \
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( (((u16)__Value) & BIT_LEN_MASK_16(__BitLen)) << (__BitOffset) ) \
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);
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#define BIT_LEN_MASK_8(__BitLen) \
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(0xFF >> (8 - (__BitLen)))
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#define BIT_OFFSET_LEN_MASK_8(__BitOffset, __BitLen) \
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(BIT_LEN_MASK_8(__BitLen) << (__BitOffset))
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#define LE_P1BYTE_TO_HOST_1BYTE(__pStart) \
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(EF1Byte(*((u8 *)(__pStart))))
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#define LE_BITS_TO_1BYTE(__pStart, __BitOffset, __BitLen) \
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( \
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( LE_P1BYTE_TO_HOST_1BYTE(__pStart) >> (__BitOffset) ) \
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& \
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BIT_LEN_MASK_8(__BitLen) \
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)
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#define LE_BITS_CLEARED_TO_1BYTE(__pStart, __BitOffset, __BitLen) \
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( \
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LE_P1BYTE_TO_HOST_1BYTE(__pStart) \
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& \
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( ~BIT_OFFSET_LEN_MASK_8(__BitOffset, __BitLen) ) \
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)
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#define SET_BITS_TO_LE_1BYTE(__pStart, __BitOffset, __BitLen, __Value) \
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*((u8 *)(__pStart)) = \
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EF1Byte( \
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LE_BITS_CLEARED_TO_1BYTE(__pStart, __BitOffset, __BitLen) \
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| \
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( (((u8)__Value) & BIT_LEN_MASK_8(__BitLen)) << (__BitOffset) ) \
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);
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//pclint
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#define LE_BITS_CLEARED_TO_1BYTE_8BIT(__pStart, __BitOffset, __BitLen) \
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( \
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LE_P1BYTE_TO_HOST_1BYTE(__pStart) \
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)
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//pclint
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#define SET_BITS_TO_LE_1BYTE_8BIT(__pStart, __BitOffset, __BitLen, __Value) \
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{ \
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*((u8 *)(__pStart)) = \
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EF1Byte( \
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LE_BITS_CLEARED_TO_1BYTE_8BIT(__pStart, __BitOffset, __BitLen) \
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| \
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((u8)__Value) \
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); \
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}
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#define SET_BITS_TO_LE_1BYTE(__pstart, __bitoffset, __bitlen, __val) \
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*((u8 *)(__pstart)) = EF1BYTE \
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( \
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LE_BITS_CLEARED_TO_1BYTE(__pstart, __bitoffset, __bitlen) | \
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((((u8)__val) & BIT_LEN_MASK_8(__bitlen)) << (__bitoffset)) \
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)
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// Get the N-bytes aligment offset from the current length
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#define N_BYTE_ALIGMENT(__Value, __Aligment) ((__Aligment == 1) ? (__Value) : (((__Value + __Aligment - 1) / __Aligment) * __Aligment))
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