* FAILED: patch "[PATCH] spi: syncuacer: fix controller deregistration" failed to apply to 6.6-stable tree
@ 2026-05-12 12:45 gregkh
2026-05-13 17:31 ` [PATCH 6.6.y 1/2] spi: synquacer: switch to use modern name Sasha Levin
0 siblings, 1 reply; 3+ messages in thread
From: gregkh @ 2026-05-12 12:45 UTC (permalink / raw)
To: johan, broonie, masahisa.kojima; +Cc: stable
The patch below does not apply to the 6.6-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-6.6.y
git checkout FETCH_HEAD
git cherry-pick -x 75d849c3452e9611de031db45b3149ba9a99035f
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2026051241-regretful-disengage-8385@gregkh' --subject-prefix 'PATCH 6.6.y' HEAD^..
Possible dependencies:
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 75d849c3452e9611de031db45b3149ba9a99035f Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan@kernel.org>
Date: Fri, 10 Apr 2026 10:17:50 +0200
Subject: [PATCH] spi: syncuacer: fix controller deregistration
Make sure to deregister the controller before disabling underlying
resources like clocks during driver unbind.
Fixes: b0823ee35cf9 ("spi: Add spi driver for Socionext SynQuacer platform")
Cc: stable@vger.kernel.org # 5.3
Cc: Masahisa Kojima <masahisa.kojima@linaro.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://patch.msgid.link/20260410081757.503099-21-johan@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/drivers/spi/spi-synquacer.c b/drivers/spi/spi-synquacer.c
index d0a875249910..290c439897c4 100644
--- a/drivers/spi/spi-synquacer.c
+++ b/drivers/spi/spi-synquacer.c
@@ -716,7 +716,7 @@ static int synquacer_spi_probe(struct platform_device *pdev)
pm_runtime_set_active(sspi->dev);
pm_runtime_enable(sspi->dev);
- ret = devm_spi_register_controller(sspi->dev, host);
+ ret = spi_register_controller(host);
if (ret)
goto disable_pm;
@@ -737,9 +737,15 @@ static void synquacer_spi_remove(struct platform_device *pdev)
struct spi_controller *host = platform_get_drvdata(pdev);
struct synquacer_spi *sspi = spi_controller_get_devdata(host);
+ spi_controller_get(host);
+
+ spi_unregister_controller(host);
+
pm_runtime_disable(sspi->dev);
clk_disable_unprepare(sspi->clk);
+
+ spi_controller_put(host);
}
static int __maybe_unused synquacer_spi_suspend(struct device *dev)
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH 6.6.y 1/2] spi: synquacer: switch to use modern name
2026-05-12 12:45 FAILED: patch "[PATCH] spi: syncuacer: fix controller deregistration" failed to apply to 6.6-stable tree gregkh
@ 2026-05-13 17:31 ` Sasha Levin
2026-05-13 17:31 ` [PATCH 6.6.y 2/2] spi: syncuacer: fix controller deregistration Sasha Levin
0 siblings, 1 reply; 3+ messages in thread
From: Sasha Levin @ 2026-05-13 17:31 UTC (permalink / raw)
To: stable; +Cc: Yang Yingliang, Mark Brown, Sasha Levin
From: Yang Yingliang <yangyingliang@huawei.com>
[ Upstream commit 3524d1b727a66712f02f92807219a3650e5cf910 ]
Change legacy name master to modern name host or controller.
No functional changed.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://msgid.link/r/20231128093031.3707034-10-yangyingliang@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Stable-dep-of: 75d849c3452e ("spi: syncuacer: fix controller deregistration")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/spi/spi-synquacer.c | 82 ++++++++++++++++++-------------------
1 file changed, 41 insertions(+), 41 deletions(-)
diff --git a/drivers/spi/spi-synquacer.c b/drivers/spi/spi-synquacer.c
index aeaf7db022f09..7cb4301a6fb28 100644
--- a/drivers/spi/spi-synquacer.c
+++ b/drivers/spi/spi-synquacer.c
@@ -225,11 +225,11 @@ static int write_fifo(struct synquacer_spi *sspi)
return 0;
}
-static int synquacer_spi_config(struct spi_master *master,
+static int synquacer_spi_config(struct spi_controller *host,
struct spi_device *spi,
struct spi_transfer *xfer)
{
- struct synquacer_spi *sspi = spi_master_get_devdata(master);
+ struct synquacer_spi *sspi = spi_controller_get_devdata(host);
unsigned int speed, mode, bpw, cs, bus_width, transfer_mode;
u32 rate, val, div;
@@ -263,7 +263,7 @@ static int synquacer_spi_config(struct spi_master *master,
}
sspi->transfer_mode = transfer_mode;
- rate = master->max_speed_hz;
+ rate = host->max_speed_hz;
div = DIV_ROUND_UP(rate, speed);
if (div > 254) {
@@ -350,11 +350,11 @@ static int synquacer_spi_config(struct spi_master *master,
return 0;
}
-static int synquacer_spi_transfer_one(struct spi_master *master,
+static int synquacer_spi_transfer_one(struct spi_controller *host,
struct spi_device *spi,
struct spi_transfer *xfer)
{
- struct synquacer_spi *sspi = spi_master_get_devdata(master);
+ struct synquacer_spi *sspi = spi_controller_get_devdata(host);
int ret;
int status = 0;
u32 words;
@@ -378,7 +378,7 @@ static int synquacer_spi_transfer_one(struct spi_master *master,
if (bpw == 8 && !(xfer->len % 4) && !(spi->mode & SPI_LSB_FIRST))
xfer->bits_per_word = 32;
- ret = synquacer_spi_config(master, spi, xfer);
+ ret = synquacer_spi_config(host, spi, xfer);
/* restore */
xfer->bits_per_word = bpw;
@@ -482,7 +482,7 @@ static int synquacer_spi_transfer_one(struct spi_master *master,
static void synquacer_spi_set_cs(struct spi_device *spi, bool enable)
{
- struct synquacer_spi *sspi = spi_master_get_devdata(spi->master);
+ struct synquacer_spi *sspi = spi_controller_get_devdata(spi->controller);
u32 val;
val = readl(sspi->regs + SYNQUACER_HSSPI_REG_DMSTART);
@@ -517,11 +517,11 @@ static int synquacer_spi_wait_status_update(struct synquacer_spi *sspi,
return -EBUSY;
}
-static int synquacer_spi_enable(struct spi_master *master)
+static int synquacer_spi_enable(struct spi_controller *host)
{
u32 val;
int status;
- struct synquacer_spi *sspi = spi_master_get_devdata(master);
+ struct synquacer_spi *sspi = spi_controller_get_devdata(host);
/* Disable module */
writel(0, sspi->regs + SYNQUACER_HSSPI_REG_MCTRL);
@@ -601,18 +601,18 @@ static irqreturn_t sq_spi_tx_handler(int irq, void *priv)
static int synquacer_spi_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
- struct spi_master *master;
+ struct spi_controller *host;
struct synquacer_spi *sspi;
int ret;
int rx_irq, tx_irq;
- master = spi_alloc_master(&pdev->dev, sizeof(*sspi));
- if (!master)
+ host = spi_alloc_host(&pdev->dev, sizeof(*sspi));
+ if (!host)
return -ENOMEM;
- platform_set_drvdata(pdev, master);
+ platform_set_drvdata(pdev, host);
- sspi = spi_master_get_devdata(master);
+ sspi = spi_controller_get_devdata(host);
sspi->dev = &pdev->dev;
init_completion(&sspi->transfer_done);
@@ -625,7 +625,7 @@ static int synquacer_spi_probe(struct platform_device *pdev)
sspi->clk_src_type = SYNQUACER_HSSPI_CLOCK_SRC_IHCLK; /* Default */
device_property_read_u32(&pdev->dev, "socionext,ihclk-rate",
- &master->max_speed_hz); /* for ACPI */
+ &host->max_speed_hz); /* for ACPI */
if (dev_of_node(&pdev->dev)) {
if (device_property_match_string(&pdev->dev,
@@ -655,21 +655,21 @@ static int synquacer_spi_probe(struct platform_device *pdev)
goto put_spi;
}
- master->max_speed_hz = clk_get_rate(sspi->clk);
+ host->max_speed_hz = clk_get_rate(sspi->clk);
}
- if (!master->max_speed_hz) {
+ if (!host->max_speed_hz) {
dev_err(&pdev->dev, "missing clock source\n");
ret = -EINVAL;
goto disable_clk;
}
- master->min_speed_hz = master->max_speed_hz / 254;
+ host->min_speed_hz = host->max_speed_hz / 254;
sspi->aces = device_property_read_bool(&pdev->dev,
"socionext,set-aces");
sspi->rtm = device_property_read_bool(&pdev->dev, "socionext,use-rtm");
- master->num_chipselect = SYNQUACER_HSSPI_NUM_CHIP_SELECT;
+ host->num_chipselect = SYNQUACER_HSSPI_NUM_CHIP_SELECT;
rx_irq = platform_get_irq(pdev, 0);
if (rx_irq <= 0) {
@@ -699,27 +699,27 @@ static int synquacer_spi_probe(struct platform_device *pdev)
goto disable_clk;
}
- master->dev.of_node = np;
- master->dev.fwnode = pdev->dev.fwnode;
- master->auto_runtime_pm = true;
- master->bus_num = pdev->id;
+ host->dev.of_node = np;
+ host->dev.fwnode = pdev->dev.fwnode;
+ host->auto_runtime_pm = true;
+ host->bus_num = pdev->id;
- master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_TX_DUAL | SPI_RX_DUAL |
- SPI_TX_QUAD | SPI_RX_QUAD;
- master->bits_per_word_mask = SPI_BPW_MASK(32) | SPI_BPW_MASK(24) |
- SPI_BPW_MASK(16) | SPI_BPW_MASK(8);
+ host->mode_bits = SPI_CPOL | SPI_CPHA | SPI_TX_DUAL | SPI_RX_DUAL |
+ SPI_TX_QUAD | SPI_RX_QUAD;
+ host->bits_per_word_mask = SPI_BPW_MASK(32) | SPI_BPW_MASK(24) |
+ SPI_BPW_MASK(16) | SPI_BPW_MASK(8);
- master->set_cs = synquacer_spi_set_cs;
- master->transfer_one = synquacer_spi_transfer_one;
+ host->set_cs = synquacer_spi_set_cs;
+ host->transfer_one = synquacer_spi_transfer_one;
- ret = synquacer_spi_enable(master);
+ ret = synquacer_spi_enable(host);
if (ret)
goto disable_clk;
pm_runtime_set_active(sspi->dev);
pm_runtime_enable(sspi->dev);
- ret = devm_spi_register_master(sspi->dev, master);
+ ret = devm_spi_register_controller(sspi->dev, host);
if (ret)
goto disable_pm;
@@ -730,15 +730,15 @@ static int synquacer_spi_probe(struct platform_device *pdev)
disable_clk:
clk_disable_unprepare(sspi->clk);
put_spi:
- spi_master_put(master);
+ spi_controller_put(host);
return ret;
}
static void synquacer_spi_remove(struct platform_device *pdev)
{
- struct spi_master *master = platform_get_drvdata(pdev);
- struct synquacer_spi *sspi = spi_master_get_devdata(master);
+ struct spi_controller *host = platform_get_drvdata(pdev);
+ struct synquacer_spi *sspi = spi_controller_get_devdata(host);
pm_runtime_disable(sspi->dev);
@@ -747,11 +747,11 @@ static void synquacer_spi_remove(struct platform_device *pdev)
static int __maybe_unused synquacer_spi_suspend(struct device *dev)
{
- struct spi_master *master = dev_get_drvdata(dev);
- struct synquacer_spi *sspi = spi_master_get_devdata(master);
+ struct spi_controller *host = dev_get_drvdata(dev);
+ struct synquacer_spi *sspi = spi_controller_get_devdata(host);
int ret;
- ret = spi_master_suspend(master);
+ ret = spi_controller_suspend(host);
if (ret)
return ret;
@@ -763,8 +763,8 @@ static int __maybe_unused synquacer_spi_suspend(struct device *dev)
static int __maybe_unused synquacer_spi_resume(struct device *dev)
{
- struct spi_master *master = dev_get_drvdata(dev);
- struct synquacer_spi *sspi = spi_master_get_devdata(master);
+ struct spi_controller *host = dev_get_drvdata(dev);
+ struct synquacer_spi *sspi = spi_controller_get_devdata(host);
int ret;
if (!pm_runtime_suspended(dev)) {
@@ -778,7 +778,7 @@ static int __maybe_unused synquacer_spi_resume(struct device *dev)
return ret;
}
- ret = synquacer_spi_enable(master);
+ ret = synquacer_spi_enable(host);
if (ret) {
clk_disable_unprepare(sspi->clk);
dev_err(dev, "failed to enable spi (%d)\n", ret);
@@ -786,7 +786,7 @@ static int __maybe_unused synquacer_spi_resume(struct device *dev)
}
}
- ret = spi_master_resume(master);
+ ret = spi_controller_resume(host);
if (ret < 0)
clk_disable_unprepare(sspi->clk);
--
2.53.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH 6.6.y 2/2] spi: syncuacer: fix controller deregistration
2026-05-13 17:31 ` [PATCH 6.6.y 1/2] spi: synquacer: switch to use modern name Sasha Levin
@ 2026-05-13 17:31 ` Sasha Levin
0 siblings, 0 replies; 3+ messages in thread
From: Sasha Levin @ 2026-05-13 17:31 UTC (permalink / raw)
To: stable; +Cc: Johan Hovold, Masahisa Kojima, Mark Brown, Sasha Levin
From: Johan Hovold <johan@kernel.org>
[ Upstream commit 75d849c3452e9611de031db45b3149ba9a99035f ]
Make sure to deregister the controller before disabling underlying
resources like clocks during driver unbind.
Fixes: b0823ee35cf9 ("spi: Add spi driver for Socionext SynQuacer platform")
Cc: stable@vger.kernel.org # 5.3
Cc: Masahisa Kojima <masahisa.kojima@linaro.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://patch.msgid.link/20260410081757.503099-21-johan@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/spi/spi-synquacer.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/spi/spi-synquacer.c b/drivers/spi/spi-synquacer.c
index 7cb4301a6fb28..0986c728c0f26 100644
--- a/drivers/spi/spi-synquacer.c
+++ b/drivers/spi/spi-synquacer.c
@@ -719,7 +719,7 @@ static int synquacer_spi_probe(struct platform_device *pdev)
pm_runtime_set_active(sspi->dev);
pm_runtime_enable(sspi->dev);
- ret = devm_spi_register_controller(sspi->dev, host);
+ ret = spi_register_controller(host);
if (ret)
goto disable_pm;
@@ -740,9 +740,15 @@ static void synquacer_spi_remove(struct platform_device *pdev)
struct spi_controller *host = platform_get_drvdata(pdev);
struct synquacer_spi *sspi = spi_controller_get_devdata(host);
+ spi_controller_get(host);
+
+ spi_unregister_controller(host);
+
pm_runtime_disable(sspi->dev);
clk_disable_unprepare(sspi->clk);
+
+ spi_controller_put(host);
}
static int __maybe_unused synquacer_spi_suspend(struct device *dev)
--
2.53.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
end of thread, other threads:[~2026-05-13 17:31 UTC | newest]
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2026-05-12 12:45 FAILED: patch "[PATCH] spi: syncuacer: fix controller deregistration" failed to apply to 6.6-stable tree gregkh
2026-05-13 17:31 ` [PATCH 6.6.y 1/2] spi: synquacer: switch to use modern name Sasha Levin
2026-05-13 17:31 ` [PATCH 6.6.y 2/2] spi: syncuacer: fix controller deregistration Sasha Levin
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