Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull i2c fixes from Wolfram Sang:
 "Some more bugfixes from I2C for v5.13. Usual stuff"

* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: qcom-geni: Suspend and resume the bus during SYSTEM_SLEEP_PM ops
  i2c: qcom-geni: Add shutdown callback for i2c
  i2c: tegra-bpmp: Demote kernel-doc abuses
  i2c: altera: Fix formatting issue in struct and demote unworthy kernel-doc headers

3 files changed, 26 insertions, 8 deletions

diff --git a/drivers/i2c/busses/i2c-altera.c b/drivers/i2c/busses/i2c-altera.c
index 7d62cbda6e06c6..354cf7e45c4a09 100644
--- a/drivers/i2c/busses/i2c-altera.c
+++ b/drivers/i2c/busses/i2c-altera.c
@@ -55,7 +55,7 @@
 #define ALTR_I2C_XFER_TIMEOUT	(msecs_to_jiffies(250))
 
 /**
- * altr_i2c_dev - I2C device context
+ * struct altr_i2c_dev - I2C device context
  * @base: pointer to register struct
  * @msg: pointer to current message
  * @msg_len: number of bytes transferred in msg
@@ -172,7 +172,7 @@ static void altr_i2c_init(struct altr_i2c_dev *idev)
 	altr_i2c_int_enable(idev, ALTR_I2C_ALL_IRQ, false);
 }
 
-/**
+/*
  * altr_i2c_transfer - On the last byte to be transmitted, send
  * a Stop bit on the last byte.
  */
@@ -185,7 +185,7 @@ static void altr_i2c_transfer(struct altr_i2c_dev *idev, u32 data)
 		writel(data, idev->base + ALTR_I2C_TFR_CMD);
 }
 
-/**
+/*
  * altr_i2c_empty_rx_fifo - Fetch data from RX FIFO until end of
  * transfer. Send a Stop bit on the last byte.
  */
@@ -201,9 +201,8 @@ static void altr_i2c_empty_rx_fifo(struct altr_i2c_dev *idev)
 	}
 }
 
-/**
+/*
  * altr_i2c_fill_tx_fifo - Fill TX FIFO from current message buffer.
- * @return: Number of bytes left to transfer.
  */
 static int altr_i2c_fill_tx_fifo(struct altr_i2c_dev *idev)
 {
diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qcom-geni.c
index 07b710a774df43..6d635a7c104ce9 100644
--- a/drivers/i2c/busses/i2c-qcom-geni.c
+++ b/drivers/i2c/busses/i2c-qcom-geni.c
@@ -650,6 +650,14 @@ static int geni_i2c_remove(struct platform_device *pdev)
 	return 0;
 }
 
+static void geni_i2c_shutdown(struct platform_device *pdev)
+{
+	struct geni_i2c_dev *gi2c = platform_get_drvdata(pdev);
+
+	/* Make client i2c transfers start failing */
+	i2c_mark_adapter_suspended(&gi2c->adap);
+}
+
 static int __maybe_unused geni_i2c_runtime_suspend(struct device *dev)
 {
 	int ret;
@@ -690,6 +698,8 @@ static int __maybe_unused geni_i2c_suspend_noirq(struct device *dev)
 {
 	struct geni_i2c_dev *gi2c = dev_get_drvdata(dev);
 
+	i2c_mark_adapter_suspended(&gi2c->adap);
+
 	if (!gi2c->suspended) {
 		geni_i2c_runtime_suspend(dev);
 		pm_runtime_disable(dev);
@@ -699,8 +709,16 @@ static int __maybe_unused geni_i2c_suspend_noirq(struct device *dev)
 	return 0;
 }
 
+static int __maybe_unused geni_i2c_resume_noirq(struct device *dev)
+{
+	struct geni_i2c_dev *gi2c = dev_get_drvdata(dev);
+
+	i2c_mark_adapter_resumed(&gi2c->adap);
+	return 0;
+}
+
 static const struct dev_pm_ops geni_i2c_pm_ops = {
-	SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(geni_i2c_suspend_noirq, NULL)
+	SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(geni_i2c_suspend_noirq, geni_i2c_resume_noirq)
 	SET_RUNTIME_PM_OPS(geni_i2c_runtime_suspend, geni_i2c_runtime_resume,
 									NULL)
 };
@@ -714,6 +732,7 @@ MODULE_DEVICE_TABLE(of, geni_i2c_dt_match);
 static struct platform_driver geni_i2c_driver = {
 	.probe  = geni_i2c_probe,
 	.remove = geni_i2c_remove,
+	.shutdown = geni_i2c_shutdown,
 	.driver = {
 		.name = "geni_i2c",
 		.pm = &geni_i2c_pm_ops,
diff --git a/drivers/i2c/busses/i2c-tegra-bpmp.c b/drivers/i2c/busses/i2c-tegra-bpmp.c
index 3680d608698b10..ec0c7cad424019 100644
--- a/drivers/i2c/busses/i2c-tegra-bpmp.c
+++ b/drivers/i2c/busses/i2c-tegra-bpmp.c
@@ -65,7 +65,7 @@ static void tegra_bpmp_xlate_flags(u16 flags, u16 *out)
 		*out |= SERIALI2C_RECV_LEN;
 }
 
-/**
+/*
  * The serialized I2C format is simply the following:
  * [addr little-endian][flags little-endian][len little-endian][data if write]
  * [addr little-endian][flags little-endian][len little-endian][data if write]
@@ -109,7 +109,7 @@ static void tegra_bpmp_serialize_i2c_msg(struct tegra_bpmp_i2c *i2c,
 	request->xfer.data_size = pos;
 }
 
-/**
+/*
  * The data in the BPMP -> CPU direction is composed of sequential blocks for
  * those messages that have I2C_M_RD. So, for example, if you have:
  *