lkml.org 
[lkml]   [2018]   [May]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 4.9 11/87] spi: bcm-qspi: Always read and set BSPI_MAST_N_BOOT_CTRL
Date
4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Kamal Dasu <kdasu.kdev@gmail.com>

commit 602805fb618b018b7a41fbb3f93c1992b078b1ae upstream.

Always confirm the BSPI_MAST_N_BOOT_CTRL bit when enabling
or disabling BSPI transfers.

Fixes: 4e3b2d236fe00 ("spi: bcm-qspi: Add BSPI spi-nor flash controller driver")
Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/spi/spi-bcm-qspi.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/spi/spi-bcm-qspi.c
+++ b/drivers/spi/spi-bcm-qspi.c
@@ -514,7 +514,7 @@ static int bcm_qspi_bspi_set_mode(struct

static void bcm_qspi_enable_bspi(struct bcm_qspi *qspi)
{
- if (!has_bspi(qspi) || (qspi->bspi_enabled))
+ if (!has_bspi(qspi))
return;

qspi->bspi_enabled = 1;
@@ -529,7 +529,7 @@ static void bcm_qspi_enable_bspi(struct

static void bcm_qspi_disable_bspi(struct bcm_qspi *qspi)
{
- if (!has_bspi(qspi) || (!qspi->bspi_enabled))
+ if (!has_bspi(qspi))
return;

qspi->bspi_enabled = 0;

\
 
 \ /
  Last update: 2018-05-22 00:36    [W:0.300 / U:1.312 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site