linux-kernel - [PATCH v1 4/5] i2c: designware: Move exports to I2C

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Message-ID: <20240822180411.2298991-5-andriy.shevchenko@linux.intel.com>
Date: Thu, 22 Aug 2024 20:58:40 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Andi Shyti <andi.shyti@...nel.org>,
	Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	linux-i2c@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Mika Westerberg <mika.westerberg@...ux.intel.com>,
	Jan Dabros <jsd@...ihalf.com>,
	Narasimhan.V@....com,
	Borislav Petkov <bp@...en8.de>,
	Kim Phillips <kim.phillips@....com>
Subject: [PATCH v1 4/5] i2c: designware: Move exports to I2C_DW namespaces

Reduce scope of the I²C DesignWare driver exports to I2C_DW namespaces.
This will prevent abuse of the symbols and clean up global namespace.

Reviewed-by: Andi Shyti <andi.shyti@...nel.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/i2c/busses/i2c-designware-common.c  | 2 ++
 drivers/i2c/busses/i2c-designware-master.c  | 3 +++
 drivers/i2c/busses/i2c-designware-pcidrv.c  | 2 ++
 drivers/i2c/busses/i2c-designware-platdrv.c | 2 ++
 drivers/i2c/busses/i2c-designware-slave.c   | 3 +++
 5 files changed, 12 insertions(+)

diff --git a/drivers/i2c/busses/i2c-designware-common.c b/drivers/i2c/busses/i2c-designware-common.c
index 2c460093b7ab..2601876f76ad 100644
--- a/drivers/i2c/busses/i2c-designware-common.c
+++ b/drivers/i2c/busses/i2c-designware-common.c
@@ -28,6 +28,8 @@
 #include <linux/types.h>
 #include <linux/units.h>
 
+#define DEFAULT_SYMBOL_NAMESPACE	I2C_DW_COMMON
+
 #include "i2c-designware-core.h"
 
 static char *abort_sources[] = {
diff --git a/drivers/i2c/busses/i2c-designware-master.c b/drivers/i2c/busses/i2c-designware-master.c
index d3b466592be4..a890a73e197e 100644
--- a/drivers/i2c/busses/i2c-designware-master.c
+++ b/drivers/i2c/busses/i2c-designware-master.c
@@ -22,6 +22,8 @@
 #include <linux/regmap.h>
 #include <linux/reset.h>
 
+#define DEFAULT_SYMBOL_NAMESPACE	I2C_DW
+
 #include "i2c-designware-core.h"
 
 #define AMD_TIMEOUT_MIN_US	25
@@ -1037,3 +1039,4 @@ EXPORT_SYMBOL_GPL(i2c_dw_probe_master);
 
 MODULE_DESCRIPTION("Synopsys DesignWare I2C bus master adapter");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(I2C_DW_COMMON);
diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c
index 14186230622d..2f2085700594 100644
--- a/drivers/i2c/busses/i2c-designware-pcidrv.c
+++ b/drivers/i2c/busses/i2c-designware-pcidrv.c
@@ -410,3 +410,5 @@ module_pci_driver(dw_i2c_driver);
 MODULE_AUTHOR("Baruch Siach <baruch@...s.co.il>");
 MODULE_DESCRIPTION("Synopsys DesignWare PCI I2C bus adapter");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(I2C_DW);
+MODULE_IMPORT_NS(I2C_DW_COMMON);
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index 7e2f26d0593e..7a3f4e96d59e 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -462,3 +462,5 @@ module_exit(dw_i2c_exit_driver);
 MODULE_AUTHOR("Baruch Siach <baruch@...s.co.il>");
 MODULE_DESCRIPTION("Synopsys DesignWare I2C bus adapter");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(I2C_DW);
+MODULE_IMPORT_NS(I2C_DW_COMMON);
diff --git a/drivers/i2c/busses/i2c-designware-slave.c b/drivers/i2c/busses/i2c-designware-slave.c
index 78e2c47e3d7d..5995361b5615 100644
--- a/drivers/i2c/busses/i2c-designware-slave.c
+++ b/drivers/i2c/busses/i2c-designware-slave.c
@@ -16,6 +16,8 @@
 #include <linux/pm_runtime.h>
 #include <linux/regmap.h>
 
+#define DEFAULT_SYMBOL_NAMESPACE	I2C_DW
+
 #include "i2c-designware-core.h"
 
 static void i2c_dw_configure_fifo_slave(struct dw_i2c_dev *dev)
@@ -279,3 +281,4 @@ EXPORT_SYMBOL_GPL(i2c_dw_probe_slave);
 MODULE_AUTHOR("Luis Oliveira <lolivei@...opsys.com>");
 MODULE_DESCRIPTION("Synopsys DesignWare I2C bus slave adapter");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(I2C_DW_COMMON);
-- 
2.43.0.rc1.1336.g36b5255a03ac