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Subject[PATCH v2 2/9] pwm: lpss: Move exported symbols to PWM_LPSS namespace
Date
Avoid unnecessary pollution of the global symbol namespace by
moving library functions in to a specific namespace and import
that into the drivers that make use of the functions.

For more info: https://lwn.net/Articles/760045/

Suggested-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/pwm/pwm-lpss-pci.c | 1 +
drivers/pwm/pwm-lpss-platform.c | 1 +
drivers/pwm/pwm-lpss.c | 2 ++
3 files changed, 4 insertions(+)

diff --git a/drivers/pwm/pwm-lpss-pci.c b/drivers/pwm/pwm-lpss-pci.c
index 75b778e839b3..9f2c666b95ec 100644
--- a/drivers/pwm/pwm-lpss-pci.c
+++ b/drivers/pwm/pwm-lpss-pci.c
@@ -92,3 +92,4 @@ module_pci_driver(pwm_lpss_driver_pci);

MODULE_DESCRIPTION("PWM PCI driver for Intel LPSS");
MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(PWM_LPSS);
diff --git a/drivers/pwm/pwm-lpss-platform.c b/drivers/pwm/pwm-lpss-platform.c
index 834423c34f48..65154c0abab1 100644
--- a/drivers/pwm/pwm-lpss-platform.c
+++ b/drivers/pwm/pwm-lpss-platform.c
@@ -88,4 +88,5 @@ module_platform_driver(pwm_lpss_driver_platform);

MODULE_DESCRIPTION("PWM platform driver for Intel LPSS");
MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(PWM_LPSS);
MODULE_ALIAS("platform:pwm-lpss");
diff --git a/drivers/pwm/pwm-lpss.c b/drivers/pwm/pwm-lpss.c
index 9537aefd254a..74a296cb1af0 100644
--- a/drivers/pwm/pwm-lpss.c
+++ b/drivers/pwm/pwm-lpss.c
@@ -18,6 +18,8 @@
#include <linux/pm_runtime.h>
#include <linux/time.h>

+#define DEFAULT_SYMBOL_NAMESPACE PWM_LPSS
+
#include "pwm-lpss.h"

#define PWM 0x00000000
--
2.35.1
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