* FAILED: patch "[PATCH] iio: imu: inv_icm42600: fix spi burst write not supported" failed to apply to 5.10-stable tree
@ 2025-01-13 9:57 gregkh
2025-01-13 13:33 ` [PATCH 5.10.y] iio: imu: inv_icm42600: fix spi burst write not supported inv.git-commit
0 siblings, 1 reply; 3+ messages in thread
From: gregkh @ 2025-01-13 9:57 UTC (permalink / raw)
To: jean-baptiste.maneyrol, Jonathan.Cameron; +Cc: stable
The patch below does not apply to the 5.10-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.
To reproduce the conflict and resubmit, you may use the following commands:
git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.10.y
git checkout FETCH_HEAD
git cherry-pick -x c0f866de4ce447bca3191b9cefac60c4b36a7922
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2025011348-broadband-cough-1f57@gregkh' --subject-prefix 'PATCH 5.10.y' HEAD^..
Possible dependencies:
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From c0f866de4ce447bca3191b9cefac60c4b36a7922 Mon Sep 17 00:00:00 2001
From: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com>
Date: Tue, 12 Nov 2024 10:30:10 +0100
Subject: [PATCH] iio: imu: inv_icm42600: fix spi burst write not supported
Burst write with SPI is not working for all icm42600 chips. It was
only used for setting user offsets with regmap_bulk_write.
Add specific SPI regmap config for using only single write with SPI.
Fixes: 9f9ff91b775b ("iio: imu: inv_icm42600: add SPI driver for inv_icm42600 driver")
Cc: stable@vger.kernel.org
Signed-off-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com>
Link: https://patch.msgid.link/20241112-inv-icm42600-fix-spi-burst-write-not-supported-v2-1-97690dc03607@tdk.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600.h b/drivers/iio/imu/inv_icm42600/inv_icm42600.h
index 3a07e43e4cf1..18787a43477b 100644
--- a/drivers/iio/imu/inv_icm42600/inv_icm42600.h
+++ b/drivers/iio/imu/inv_icm42600/inv_icm42600.h
@@ -403,6 +403,7 @@ struct inv_icm42600_sensor_state {
typedef int (*inv_icm42600_bus_setup)(struct inv_icm42600_state *);
extern const struct regmap_config inv_icm42600_regmap_config;
+extern const struct regmap_config inv_icm42600_spi_regmap_config;
extern const struct dev_pm_ops inv_icm42600_pm_ops;
const struct iio_mount_matrix *
diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c b/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c
index 561d245c1d64..e43538e536f0 100644
--- a/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c
+++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c
@@ -87,6 +87,21 @@ const struct regmap_config inv_icm42600_regmap_config = {
};
EXPORT_SYMBOL_NS_GPL(inv_icm42600_regmap_config, "IIO_ICM42600");
+/* define specific regmap for SPI not supporting burst write */
+const struct regmap_config inv_icm42600_spi_regmap_config = {
+ .name = "inv_icm42600",
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0x4FFF,
+ .ranges = inv_icm42600_regmap_ranges,
+ .num_ranges = ARRAY_SIZE(inv_icm42600_regmap_ranges),
+ .volatile_table = inv_icm42600_regmap_volatile_accesses,
+ .rd_noinc_table = inv_icm42600_regmap_rd_noinc_accesses,
+ .cache_type = REGCACHE_RBTREE,
+ .use_single_write = true,
+};
+EXPORT_SYMBOL_NS_GPL(inv_icm42600_spi_regmap_config, "IIO_ICM42600");
+
struct inv_icm42600_hw {
uint8_t whoami;
const char *name;
diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_spi.c b/drivers/iio/imu/inv_icm42600/inv_icm42600_spi.c
index c55d8e672183..2bd2c4c8e50c 100644
--- a/drivers/iio/imu/inv_icm42600/inv_icm42600_spi.c
+++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_spi.c
@@ -59,7 +59,8 @@ static int inv_icm42600_probe(struct spi_device *spi)
return -EINVAL;
chip = (uintptr_t)match;
- regmap = devm_regmap_init_spi(spi, &inv_icm42600_regmap_config);
+ /* use SPI specific regmap */
+ regmap = devm_regmap_init_spi(spi, &inv_icm42600_spi_regmap_config);
if (IS_ERR(regmap))
return PTR_ERR(regmap);
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH 5.10.y] iio: imu: inv_icm42600: fix spi burst write not supported
2025-01-13 9:57 FAILED: patch "[PATCH] iio: imu: inv_icm42600: fix spi burst write not supported" failed to apply to 5.10-stable tree gregkh
@ 2025-01-13 13:33 ` inv.git-commit
2025-01-13 23:09 ` Sasha Levin
0 siblings, 1 reply; 3+ messages in thread
From: inv.git-commit @ 2025-01-13 13:33 UTC (permalink / raw)
To: stable; +Cc: Jean-Baptiste Maneyrol, Jonathan Cameron
From: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com>
Burst write with SPI is not working for all icm42600 chips. It was
only used for setting user offsets with regmap_bulk_write.
Add specific SPI regmap config for using only single write with SPI.
Fixes: 9f9ff91b775b ("iio: imu: inv_icm42600: add SPI driver for inv_icm42600 driver")
Cc: stable@vger.kernel.org
Signed-off-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com>
Link: https://patch.msgid.link/20241112-inv-icm42600-fix-spi-burst-write-not-supported-v2-1-97690dc03607@tdk.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
(cherry picked from commit c0f866de4ce447bca3191b9cefac60c4b36a7922)
---
drivers/iio/imu/inv_icm42600/inv_icm42600.h | 1 +
drivers/iio/imu/inv_icm42600/inv_icm42600_core.c | 11 +++++++++++
drivers/iio/imu/inv_icm42600/inv_icm42600_spi.c | 3 ++-
3 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600.h b/drivers/iio/imu/inv_icm42600/inv_icm42600.h
index 995a9dc06521..f5df2e13b063 100644
--- a/drivers/iio/imu/inv_icm42600/inv_icm42600.h
+++ b/drivers/iio/imu/inv_icm42600/inv_icm42600.h
@@ -360,6 +360,7 @@ struct inv_icm42600_state {
typedef int (*inv_icm42600_bus_setup)(struct inv_icm42600_state *);
extern const struct regmap_config inv_icm42600_regmap_config;
+extern const struct regmap_config inv_icm42600_spi_regmap_config;
extern const struct dev_pm_ops inv_icm42600_pm_ops;
const struct iio_mount_matrix *
diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c b/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c
index dcbd4e928851..14c7c40a3f82 100644
--- a/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c
+++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c
@@ -43,6 +43,17 @@ const struct regmap_config inv_icm42600_regmap_config = {
};
EXPORT_SYMBOL_GPL(inv_icm42600_regmap_config);
+/* define specific regmap for SPI not supporting burst write */
+const struct regmap_config inv_icm42600_spi_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0x4FFF,
+ .ranges = inv_icm42600_regmap_ranges,
+ .num_ranges = ARRAY_SIZE(inv_icm42600_regmap_ranges),
+ .use_single_write = true,
+};
+EXPORT_SYMBOL_GPL(inv_icm42600_spi_regmap_config);
+
struct inv_icm42600_hw {
uint8_t whoami;
const char *name;
diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_spi.c b/drivers/iio/imu/inv_icm42600/inv_icm42600_spi.c
index 323789697a08..193afb46725d 100644
--- a/drivers/iio/imu/inv_icm42600/inv_icm42600_spi.c
+++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_spi.c
@@ -59,7 +59,8 @@ static int inv_icm42600_probe(struct spi_device *spi)
return -EINVAL;
chip = (enum inv_icm42600_chip)match;
- regmap = devm_regmap_init_spi(spi, &inv_icm42600_regmap_config);
+ /* use SPI specific regmap */
+ regmap = devm_regmap_init_spi(spi, &inv_icm42600_spi_regmap_config);
if (IS_ERR(regmap))
return PTR_ERR(regmap);
--
2.25.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH 5.10.y] iio: imu: inv_icm42600: fix spi burst write not supported
2025-01-13 13:33 ` [PATCH 5.10.y] iio: imu: inv_icm42600: fix spi burst write not supported inv.git-commit
@ 2025-01-13 23:09 ` Sasha Levin
0 siblings, 0 replies; 3+ messages in thread
From: Sasha Levin @ 2025-01-13 23:09 UTC (permalink / raw)
To: stable; +Cc: inv.git-commit, Sasha Levin
[ Sasha's backport helper bot ]
Hi,
Found matching upstream commit: c0f866de4ce447bca3191b9cefac60c4b36a7922
WARNING: Author mismatch between patch and found commit:
Backport author: inv.git-commit@tdk.com
Commit author: Jean-Baptiste Maneyrol<jean-baptiste.maneyrol@tdk.com>
Status in newer kernel trees:
6.12.y | Not found
6.6.y | Not found
6.1.y | Not found
5.15.y | Not found
5.10.y | Not found
Note: The patch differs from the upstream commit:
---
1: c0f866de4ce4 ! 1: 64636852bc5b iio: imu: inv_icm42600: fix spi burst write not supported
@@ Commit message
Signed-off-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com>
Link: https://patch.msgid.link/20241112-inv-icm42600-fix-spi-burst-write-not-supported-v2-1-97690dc03607@tdk.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
+ (cherry picked from commit c0f866de4ce447bca3191b9cefac60c4b36a7922)
## drivers/iio/imu/inv_icm42600/inv_icm42600.h ##
-@@ drivers/iio/imu/inv_icm42600/inv_icm42600.h: struct inv_icm42600_sensor_state {
+@@ drivers/iio/imu/inv_icm42600/inv_icm42600.h: struct inv_icm42600_state {
typedef int (*inv_icm42600_bus_setup)(struct inv_icm42600_state *);
extern const struct regmap_config inv_icm42600_regmap_config;
@@ drivers/iio/imu/inv_icm42600/inv_icm42600.h: struct inv_icm42600_sensor_state {
## drivers/iio/imu/inv_icm42600/inv_icm42600_core.c ##
@@ drivers/iio/imu/inv_icm42600/inv_icm42600_core.c: const struct regmap_config inv_icm42600_regmap_config = {
};
- EXPORT_SYMBOL_NS_GPL(inv_icm42600_regmap_config, "IIO_ICM42600");
+ EXPORT_SYMBOL_GPL(inv_icm42600_regmap_config);
+/* define specific regmap for SPI not supporting burst write */
+const struct regmap_config inv_icm42600_spi_regmap_config = {
-+ .name = "inv_icm42600",
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0x4FFF,
+ .ranges = inv_icm42600_regmap_ranges,
+ .num_ranges = ARRAY_SIZE(inv_icm42600_regmap_ranges),
-+ .volatile_table = inv_icm42600_regmap_volatile_accesses,
-+ .rd_noinc_table = inv_icm42600_regmap_rd_noinc_accesses,
-+ .cache_type = REGCACHE_RBTREE,
+ .use_single_write = true,
+};
-+EXPORT_SYMBOL_NS_GPL(inv_icm42600_spi_regmap_config, "IIO_ICM42600");
++EXPORT_SYMBOL_GPL(inv_icm42600_spi_regmap_config);
+
struct inv_icm42600_hw {
uint8_t whoami;
@@ drivers/iio/imu/inv_icm42600/inv_icm42600_core.c: const struct regmap_config inv
## drivers/iio/imu/inv_icm42600/inv_icm42600_spi.c ##
@@ drivers/iio/imu/inv_icm42600/inv_icm42600_spi.c: static int inv_icm42600_probe(struct spi_device *spi)
return -EINVAL;
- chip = (uintptr_t)match;
+ chip = (enum inv_icm42600_chip)match;
- regmap = devm_regmap_init_spi(spi, &inv_icm42600_regmap_config);
+ /* use SPI specific regmap */
---
Results of testing on various branches:
| Branch | Patch Apply | Build Test |
|---------------------------|-------------|------------|
| stable/linux-5.10.y | Success | Success |
^ permalink raw reply [flat|nested] 3+ messages in thread
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2025-01-13 9:57 FAILED: patch "[PATCH] iio: imu: inv_icm42600: fix spi burst write not supported" failed to apply to 5.10-stable tree gregkh
2025-01-13 13:33 ` [PATCH 5.10.y] iio: imu: inv_icm42600: fix spi burst write not supported inv.git-commit
2025-01-13 23:09 ` Sasha Levin
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