powerpc/espi: remove 80us delay to improve transfer performance
authorHou Zhiqiang <b48286@freescale.com>
Wed, 21 May 2014 02:25:10 +0000 (10:25 +0800)
committerYork Sun <yorksun@freescale.com>
Thu, 5 Jun 2014 19:56:20 +0000 (12:56 -0700)
commitafb907061a0a2175c840e8bfc3ad04fd2d6721ed
tree6d8d7a2e4fcb791d328ba925f27e9d8b0c51c935
parente6c334a7a4d90b399d2280105146378194b5f5f1
powerpc/espi: remove 80us delay to improve transfer performance

Replace 80 mircoseconds delay with polling flag ESPI_EV_TXE.

Signed-off-by: Hou Zhiqiang <B48286@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
drivers/spi/fsl_espi.c