This is a note to let you know that I've just added the patch titled
can: c_can: don't indicate triple sampling support for D_CAN
to the 4.4-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:
can-c_can-don-t-indicate-triple-sampling-support-for-d_can.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From fb5f0b3ef69b95e665e4bbe8a3de7201f09f1071 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Richard=20Sch=C3=BCtz?= <rschuetz@xxxxxxxxxxxxxx>
Date: Sun, 29 Oct 2017 13:03:22 +0100
Subject: can: c_can: don't indicate triple sampling support for D_CAN
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
From: Richard Schütz <rschuetz@xxxxxxxxxxxxxx>
commit fb5f0b3ef69b95e665e4bbe8a3de7201f09f1071 upstream.
The D_CAN controller doesn't provide a triple sampling mode, so don't set
the CAN_CTRLMODE_3_SAMPLES flag in ctrlmode_supported. Currently enabling
triple sampling is a no-op.
Signed-off-by: Richard Schütz <rschuetz@xxxxxxxxxxxxxx>
Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/can/c_can/c_can_pci.c | 1 -
drivers/net/can/c_can/c_can_platform.c | 1 -
2 files changed, 2 deletions(-)
--- a/drivers/net/can/c_can/c_can_pci.c
+++ b/drivers/net/can/c_can/c_can_pci.c
@@ -178,7 +178,6 @@ static int c_can_pci_probe(struct pci_de
break;
case BOSCH_D_CAN:
priv->regs = reg_map_d_can;
- priv->can.ctrlmode_supported |= CAN_CTRLMODE_3_SAMPLES;
break;
default:
ret = -EINVAL;
--- a/drivers/net/can/c_can/c_can_platform.c
+++ b/drivers/net/can/c_can/c_can_platform.c
@@ -320,7 +320,6 @@ static int c_can_plat_probe(struct platf
break;
case BOSCH_D_CAN:
priv->regs = reg_map_d_can;
- priv->can.ctrlmode_supported |= CAN_CTRLMODE_3_SAMPLES;
priv->read_reg = c_can_plat_read_reg_aligned_to_16bit;
priv->write_reg = c_can_plat_write_reg_aligned_to_16bit;
priv->read_reg32 = d_can_plat_read_reg32;
Patches currently in stable-queue which might be from rschuetz@xxxxxxxxxxxxxx are
queue-4.4/can-c_can-don-t-indicate-triple-sampling-support-for-d_can.patch