As a preparatory patch to support slave mode for PCI enumerated devices rename
i2c_dw_probe() to i2c_dw_probe_master() and split common i2c_dw_probe() as
inline helper.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
v2: drop MASTER module optional choice (Jarkko, Wolfram)
drivers/i2c/busses/Makefile | 3 ++-
drivers/i2c/busses/i2c-designware-core.h | 15 ++++++++++++++-
drivers/i2c/busses/i2c-designware-master.c | 4 ++--
drivers/i2c/busses/i2c-designware-pcidrv.c | 2 +-
drivers/i2c/busses/i2c-designware-platdrv.c | 6 +-----
5 files changed, 20 insertions(+), 10 deletions(-)
diff --git a/drivers/i2c/busses/Makefile b/drivers/i2c/busses/Makefile
index c852d27370377..d5f56e6179a4b 100644
--- a/drivers/i2c/busses/Makefile
+++ b/drivers/i2c/busses/Makefile
@@ -49,7 +49,8 @@ obj-$(CONFIG_I2C_CBUS_GPIO) += i2c-cbus-gpio.o
obj-$(CONFIG_I2C_CPM) += i2c-cpm.o
obj-$(CONFIG_I2C_DAVINCI) += i2c-davinci.o
obj-$(CONFIG_I2C_DESIGNWARE_CORE) += i2c-designware-core.o
-i2c-designware-core-objs := i2c-designware-common.o i2c-designware-master.o
+i2c-designware-core-objs := i2c-designware-common.o
+i2c-designware-core-objs += i2c-designware-master.o
ifeq ($(CONFIG_I2C_DESIGNWARE_SLAVE),y)
i2c-designware-core-objs += i2c-designware-slave.o
endif
diff --git a/drivers/i2c/busses/i2c-designware-core.h b/drivers/i2c/busses/i2c-designware-core.h
index b2f894f685233..1674caf277451 100644
--- a/drivers/i2c/busses/i2c-designware-core.h
+++ b/drivers/i2c/busses/i2c-designware-core.h
@@ -315,7 +315,7 @@ static inline void __i2c_dw_disable_nowait(struct dw_i2c_dev *dev)
void __i2c_dw_disable(struct dw_i2c_dev *dev);
extern void i2c_dw_configure_master(struct dw_i2c_dev *dev);
-extern int i2c_dw_probe(struct dw_i2c_dev *dev);
+extern int i2c_dw_probe_master(struct dw_i2c_dev *dev);
#if IS_ENABLED(CONFIG_I2C_DESIGNWARE_SLAVE)
extern void i2c_dw_configure_slave(struct dw_i2c_dev *dev);
@@ -325,6 +325,19 @@ static inline void i2c_dw_configure_slave(struct dw_i2c_dev *dev) { }
static inline int i2c_dw_probe_slave(struct dw_i2c_dev *dev) { return -EINVAL; }
#endif
+static inline int i2c_dw_probe(struct dw_i2c_dev *dev)
+{
+ switch (dev->mode) {
+ case DW_IC_SLAVE:
+ return i2c_dw_probe_slave(dev);
+ case DW_IC_MASTER:
+ return i2c_dw_probe_master(dev);
+ default:
+ dev_err(dev->dev, "Wrong operation mode: %d\n", dev->mode);
+ return -EINVAL;
+ }
+}
+
static inline void i2c_dw_configure(struct dw_i2c_dev *dev)
{
if (i2c_detect_slave_mode(dev->dev))
diff --git a/drivers/i2c/busses/i2c-designware-master.c b/drivers/i2c/busses/i2c-designware-master.c
index 139ba98c40331..95eeec53c744f 100644
--- a/drivers/i2c/busses/i2c-designware-master.c
+++ b/drivers/i2c/busses/i2c-designware-master.c
@@ -727,7 +727,7 @@ static int i2c_dw_init_recovery_info(struct dw_i2c_dev *dev)
return 0;
}
-int i2c_dw_probe(struct dw_i2c_dev *dev)
+int i2c_dw_probe_master(struct dw_i2c_dev *dev)
{
struct i2c_adapter *adap = &dev->adapter;
unsigned long irq_flags;
@@ -794,7 +794,7 @@ int i2c_dw_probe(struct dw_i2c_dev *dev)
return ret;
}
-EXPORT_SYMBOL_GPL(i2c_dw_probe);
+EXPORT_SYMBOL_GPL(i2c_dw_probe_master);
MODULE_DESCRIPTION("Synopsys DesignWare I2C bus master adapter");
MODULE_LICENSE("GPL");
diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c
index d5e5abc03683f..7e994f366a5e8 100644
--- a/drivers/i2c/busses/i2c-designware-pcidrv.c
+++ b/drivers/i2c/busses/i2c-designware-pcidrv.c
@@ -271,7 +271,7 @@ static int i2c_dw_pci_probe(struct pci_dev *pdev,
ACPI_COMPANION_SET(&adap->dev, ACPI_COMPANION(&pdev->dev));
adap->nr = controller->bus_num;
- r = i2c_dw_probe(dev);
+ r = i2c_dw_probe_master(dev);
if (r) {
pci_free_irq_vectors(pdev);
return r;
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index 108b7d9d78bb5..7e228ff91ad48 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -337,11 +337,7 @@ static int dw_i2c_plat_probe(struct platform_device *pdev)
pm_runtime_enable(&pdev->dev);
- if (dev->mode == DW_IC_SLAVE)
- ret = i2c_dw_probe_slave(dev);
- else
- ret = i2c_dw_probe(dev);
-
+ ret = i2c_dw_probe(dev);
if (ret)
goto exit_probe;
--
2.26.2
