[PATCH 4/5] drivers/tty/serial: make msm_serial.c explicitly non-modular

From: Paul Gortmaker
Date: Sun Oct 18 2015 - 18:22:12 EST


The Kconfig currently controlling compilation of this code is:

drivers/tty/serial/Kconfig:config SERIAL_MSM
drivers/tty/serial/Kconfig: bool "MSM on-chip serial port support"

...meaning that it currently is not being built as a module by anyone.

Lets remove the modular code that is essentially orphaned, so that
when reading the driver there is no doubt it is builtin-only.

We explicitly disallow a driver unbind, since that doesn't have a
sensible use case anyway, and it allows us to drop the ".remove"
code for non-modular drivers.

Since module_init translates to device_initcall in the non-modular
case, the init ordering remains unchanged with this commit.

We don't replace module.h with init.h since the file already has that.

We also delete the MODULE_LICENSE tag etc. since all that information
is already contained at the top of the file in the comments.

Cc: Kumar Gala <galak@xxxxxxxxxxxxxx>
Cc: Andy Gross <agross@xxxxxxxxxxxxxx>
Cc: David Brown <davidb@xxxxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Jiri Slaby <jslaby@xxxxxxxx>
Cc: linux-arm-msm@xxxxxxxxxxxxxxx
Cc: linux-soc@xxxxxxxxxxxxxxx
Cc: linux-serial@xxxxxxxxxxxxxxx
Signed-off-by: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
---
drivers/tty/serial/msm_serial.c | 30 ++++--------------------------
1 file changed, 4 insertions(+), 26 deletions(-)

diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c
index dcde955475dc..15afa8070b7d 100644
--- a/drivers/tty/serial/msm_serial.c
+++ b/drivers/tty/serial/msm_serial.c
@@ -23,7 +23,6 @@
#include <linux/dma-mapping.h>
#include <linux/dmaengine.h>
#include <linux/hrtimer.h>
-#include <linux/module.h>
#include <linux/io.h>
#include <linux/ioport.h>
#include <linux/irq.h>
@@ -1601,15 +1600,6 @@ static int msm_serial_probe(struct platform_device *pdev)
return uart_add_one_port(&msm_uart_driver, port);
}

-static int msm_serial_remove(struct platform_device *pdev)
-{
- struct uart_port *port = platform_get_drvdata(pdev);
-
- uart_remove_one_port(&msm_uart_driver, port);
-
- return 0;
-}
-
static const struct of_device_id msm_match_table[] = {
{ .compatible = "qcom,msm-uart" },
{ .compatible = "qcom,msm-uartdm" },
@@ -1617,11 +1607,11 @@ static const struct of_device_id msm_match_table[] = {
};

static struct platform_driver msm_platform_driver = {
- .remove = msm_serial_remove,
.probe = msm_serial_probe,
.driver = {
- .name = "msm_serial",
- .of_match_table = msm_match_table,
+ .name = "msm_serial",
+ .of_match_table = msm_match_table,
+ .suppress_bind_attrs = true,
},
};

@@ -1641,16 +1631,4 @@ static int __init msm_serial_init(void)

return ret;
}
-
-static void __exit msm_serial_exit(void)
-{
- platform_driver_unregister(&msm_platform_driver);
- uart_unregister_driver(&msm_uart_driver);
-}
-
-module_init(msm_serial_init);
-module_exit(msm_serial_exit);
-
-MODULE_AUTHOR("Robert Love <rlove@xxxxxxxxxx>");
-MODULE_DESCRIPTION("Driver for msm7x serial device");
-MODULE_LICENSE("GPL");
+device_initcall(msm_serial_init);
--
2.6.1

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