linux-kernel - [PATCH v4 16/24] i2c: designware: Move exports to I2C

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Message-ID: <20231120144641.1660574-17-andriy.shevchenko@linux.intel.com>
Date:   Mon, 20 Nov 2023 16:41:58 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Mario Limonciello <mario.limonciello@....com>,
        Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Wolfram Sang <wsa@...nel.org>, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Jan Dabros <jsd@...ihalf.com>,
        Andi Shyti <andi.shyti@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>
Subject: [PATCH v4 16/24] 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.

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 fb75e9b3d4fc..89b8fa492e26 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 85dbd0eb5392..0b6576d7f811 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
@@ -1079,3 +1081,4 @@ 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 7556e9cbf8d2..a40acc3d9288 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 b275a1b19eec..6b1a26afc278 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -471,3 +471,5 @@ 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 2e079cf20bb5..70d183fa3bff 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.rc1.1.gbec44491f096