This is a note to let you know that I've just added the patch titled
spi: bcm-qspi: fix calculation of address length
to the 4.18-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-bcm-qspi-fix-calculation-of-address-length.patch
and it can be found in the queue-4.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 0976eda7915507fe94e07870c19d717c9994b57a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@xxxxxxxxxx>
Date: Thu, 11 Oct 2018 09:40:22 +0200
Subject: spi: bcm-qspi: fix calculation of address length
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
From: Rafał Miłecki <rafal@xxxxxxxxxx>
commit 0976eda7915507fe94e07870c19d717c9994b57a upstream.
During implementation of the new API bcm_qspi_bspi_set_flex_mode() has
been modified breaking calculation of address length. An unnecessary
multiplication was added breaking flash reads.
Fixes: 5f195ee7d830 ("spi: bcm-qspi: Implement the spi_mem interface")
Signed-off-by: Rafał Miłecki <rafal@xxxxxxxxxx>
Reviewed-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/spi/spi-bcm-qspi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/spi/spi-bcm-qspi.c
+++ b/drivers/spi/spi-bcm-qspi.c
@@ -355,7 +355,7 @@ static int bcm_qspi_bspi_set_flex_mode(s
int bpc = 0, bpp = 0;
u8 command = op->cmd.opcode;
int width = op->cmd.buswidth ? op->cmd.buswidth : SPI_NBITS_SINGLE;
- int addrlen = op->addr.nbytes * 8;
+ int addrlen = op->addr.nbytes;
int flex_mode = 1;
dev_dbg(&qspi->pdev->dev, "set flex mode w %x addrlen %x hp %d\n",
Patches currently in stable-queue which might be from rafal@xxxxxxxxxx are
queue-4.18/spi-bcm-qspi-switch-back-to-reading-flash-using-smaller-chunks.patch
queue-4.18/spi-bcm-qspi-fix-calculation-of-address-length.patch
