sw: fix endianess only when necessary

Signed-off-by: Federico Vaga <federico.vaga@cern.ch>

sw: fix endianess only when necessary
Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
a3345b5a · Federico Vaga · 7dfac0aa · a3345b5a · a3345b5a
Commit a3345b5a authored Jul 06, 2021 by Federico Vaga
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CHANGELOG.rst CHANGELOG.rst +7 -0

fa-dma.c software/kernel/fa-dma.c +4 -2

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--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -6,6 +6,13 @@
 Changelog
 =========

+5.0.4 - 2021-07-xx
+==================
+
+Fixed
+-----
+- sw: fix endianess only when required
+
 5.0.3 - 2021-07-05
 ==================
 Added:

--- a/software/kernel/fa-dma.c
+++ b/software/kernel/fa-dma.c
@@ -320,9 +320,11 @@ static int zfad_dma_block_to_pages(struct page **pages, unsigned int nr_pages,
 static void zfad_dma_context_exit_svec(struct zio_cset *cset,
 				       struct zfad_block *zfad_block)
 {
+	struct fa_dev *fa = cset->zdev->priv_d;

-	__endianness(zfad_block->block->datalen,
-		     zfad_block->block->data);
+	if (fa_is_flag_set(fa, FMC_ADC_BIG_ENDIAN))
+		__endianness(zfad_block->block->datalen,
+					 zfad_block->block->data);

 	kfree(zfad_block->dma_ctx);
 }