This is a note to let you know that I've just added the patch titled
spi: atmel-quadspi: Fix the buswidth adjustment between spi-mem and controller
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
spi-atmel-quadspi-fix-the-buswidth-adjustment-between-spi-mem-and-controller.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 8c235cc25087495c4288d94f547e9d3061004991 Mon Sep 17 00:00:00 2001
From: Tudor Ambarus <tudor.ambarus@xxxxxxxxxxxxx>
Date: Wed, 6 Apr 2022 16:36:03 +0300
Subject: spi: atmel-quadspi: Fix the buswidth adjustment between spi-mem and controller
From: Tudor Ambarus <tudor.ambarus@xxxxxxxxxxxxx>
commit 8c235cc25087495c4288d94f547e9d3061004991 upstream.
Use the spi_mem_default_supports_op() core helper in order to take into
account the buswidth specified by the user in device tree.
Cc: <stable@xxxxxxxxxxxxxxx>
Fixes: 0e6aae08e9ae ("spi: Add QuadSPI driver for Atmel SAMA5D2")
Signed-off-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20220406133604.455356-1-tudor.ambarus@xxxxxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/spi/atmel-quadspi.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/spi/atmel-quadspi.c
+++ b/drivers/spi/atmel-quadspi.c
@@ -277,6 +277,9 @@ static int atmel_qspi_find_mode(const st
static bool atmel_qspi_supports_op(struct spi_mem *mem,
const struct spi_mem_op *op)
{
+ if (!spi_mem_default_supports_op(mem, op))
+ return false;
+
if (atmel_qspi_find_mode(op) < 0)
return false;
Patches currently in stable-queue which might be from tudor.ambarus@xxxxxxxxxxxxx are
queue-5.15/spi-atmel-quadspi-fix-the-buswidth-adjustment-between-spi-mem-and-controller.patch
