The struct spi_transfer got a new member "struct spi_delay delay" in
upstream commit bebcfd272df6 ("spi: introduce `delay` field for
`spi_transfer` + spi_transfer_delay_exec()"), use the older interface in
older kernel versions.
Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
patches/0095-spi-delay/libertas.patch | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
create mode 100644 patches/0095-spi-delay/libertas.patch
diff --git a/patches/0095-spi-delay/libertas.patch b/patches/0095-spi-delay/libertas.patch
new file mode 100644
index 00000000..4a4e59a1
--- /dev/null
+++ b/patches/0095-spi-delay/libertas.patch
@@ -0,0 +1,17 @@
+--- a/drivers/net/wireless/marvell/libertas/if_spi.c
++++ b/drivers/net/wireless/marvell/libertas/if_spi.c
+@@ -235,9 +235,14 @@ static int spu_read(struct if_spi_card *
+ spi_message_add_tail(&dummy_trans, &m);
+ } else {
+ /* Busy-wait while the SPU fills the FIFO */
++#if LINUX_VERSION_IS_GEQ(5,5,0)
+ reg_trans.delay.value =
+ DIV_ROUND_UP((100 + (delay * 10)), 1000);
+ reg_trans.delay.unit = SPI_DELAY_UNIT_USECS;
++#else
++ reg_trans.delay_usecs =
++ DIV_ROUND_UP((100 + (delay * 10)), 1000);
++#endif /* >= 5.5 */
+ }
+
+ /* read in data */
--
2.20.1
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