From be9e4f439c36ce5f6cd390f856e0b805574f2417 Mon Sep 17 00:00:00 2001 From: Ron Evans Date: Fri, 11 Oct 2019 08:49:46 +0200 Subject: [PATCH] machine/spi: do not compare slices against nil, same as #612 but for all platforms that use shared SPI implementation for Tx Signed-off-by: Ron Evans --- src/machine/spi.go | 5 ----- 1 file changed, 5 deletions(-) diff --git a/src/machine/spi.go b/src/machine/spi.go index 340b4486..f9134078 100644 --- a/src/machine/spi.go +++ b/src/machine/spi.go @@ -5,7 +5,6 @@ package machine import "errors" var ( - ErrTxSlicesRequired = errors.New("SPI Tx requires a write or read slice, or both") ErrTxInvalidSliceSize = errors.New("SPI write and read slices must be same size") ) @@ -28,10 +27,6 @@ var ( // spi.Tx(nil, rx) // func (spi SPI) Tx(w, r []byte) error { - if w == nil && r == nil { - return ErrTxSlicesRequired - } - var err error switch {