sfc: Use 64-bit writes for TX push where possible (483f97f8) · Commits · 戴 / test

drivers/net/sfc/io.h

+5 −4

Original line number	Original line	Diff line number	Diff line
	@@ -48,9 +48,9 @@
	* replacing the low 96 bits with zero does not affect functionality.		* replacing the low 96 bits with zero does not affect functionality.
	* - If the host writes to the last dword address of such a register		* - If the host writes to the last dword address of such a register
	* (i.e. the high 32 bits) the underlying register will always be		* (i.e. the high 32 bits) the underlying register will always be
	* written. If the collector does not hold values for the low 96		* written. If the collector and the current write together do not
	* bits of the register, they will be written as zero. Writing to		* provide values for all 128 bits of the register, the low 96 bits
	* the last qword does not have this effect and must not be done.		* will be written as zero.
	* - If the host writes to the address of any other part of such a		* - If the host writes to the address of any other part of such a
	* register while the collector already holds values for some other		* register while the collector already holds values for some other
	* register, the write is discarded and the collector maintains its		* register, the write is discarded and the collector maintains its
	@@ -237,12 +237,13 @@ static inline void _efx_writeo_page(struct efx_nic efx, efx_oword_t value,

	#ifdef EFX_USE_QWORD_IO		#ifdef EFX_USE_QWORD_IO
	_efx_writeq(efx, value->u64[0], reg + 0);		_efx_writeq(efx, value->u64[0], reg + 0);
			_efx_writeq(efx, value->u64[1], reg + 8);
	#else		#else
	_efx_writed(efx, value->u32[0], reg + 0);		_efx_writed(efx, value->u32[0], reg + 0);
	_efx_writed(efx, value->u32[1], reg + 4);		_efx_writed(efx, value->u32[1], reg + 4);
	#endif
	_efx_writed(efx, value->u32[2], reg + 8);		_efx_writed(efx, value->u32[2], reg + 8);
	_efx_writed(efx, value->u32[3], reg + 12);		_efx_writed(efx, value->u32[3], reg + 12);
			#endif
	}		}
	#define efx_writeo_page(efx, value, reg, page) \		#define efx_writeo_page(efx, value, reg, page) \
	_efx_writeo_page(efx, value, \		_efx_writeo_page(efx, value, \

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