[MIPS] RTLX: Sprinkle device model code into code to make udev happier. (bb3d7c7f) · Commits · e / devices / android_kernel_fairphone_FP5

arch/mips/kernel/rtlx.c

+22 −1

Original line number	Original line	Diff line number	Diff line
	@@ -17,6 +17,7 @@
	*		*
	*/		*/

			#include <linux/device.h>
	#include <linux/kernel.h>		#include <linux/kernel.h>
	#include <linux/module.h>		#include <linux/module.h>
	#include <linux/fs.h>		#include <linux/fs.h>
	@@ -34,6 +35,7 @@
	#include <linux/sched.h>		#include <linux/sched.h>
	#include <linux/wait.h>		#include <linux/wait.h>
	#include <asm/mipsmtregs.h>		#include <asm/mipsmtregs.h>
			#include <asm/mips_mt.h>
	#include <asm/cacheflush.h>		#include <asm/cacheflush.h>
	#include <asm/atomic.h>		#include <asm/atomic.h>
	#include <asm/cpu.h>		#include <asm/cpu.h>
	@@ -498,7 +500,8 @@ static char register_chrdev_failed[] __initdata =

	static int rtlx_module_init(void)		static int rtlx_module_init(void)
	{		{
	int i;		struct device *dev;
			int i, err;

	major = register_chrdev(0, module_name, &rtlx_fops);		major = register_chrdev(0, module_name, &rtlx_fops);
	if (major < 0) {		if (major < 0) {
	@@ -511,6 +514,13 @@ static int rtlx_module_init(void)
	init_waitqueue_head(&channel_wqs[i].rt_queue);		init_waitqueue_head(&channel_wqs[i].rt_queue);
	init_waitqueue_head(&channel_wqs[i].lx_queue);		init_waitqueue_head(&channel_wqs[i].lx_queue);
	channel_wqs[i].in_open = 0;		channel_wqs[i].in_open = 0;

			dev = device_create(mt_class, NULL, MKDEV(major, i),
			"%s%d", module_name, i);
			if (IS_ERR(dev)) {
			err = PTR_ERR(dev);
			goto out_chrdev;
			}
	}		}

	/* set up notifiers */		/* set up notifiers */
	@@ -525,10 +535,21 @@ static int rtlx_module_init(void)
	setup_irq(rtlx_irq_num, &rtlx_irq);		setup_irq(rtlx_irq_num, &rtlx_irq);

	return 0;		return 0;

			out_chrdev:
			for (i = 0; i < RTLX_CHANNELS; i++)
			device_destroy(mt_class, MKDEV(major, i));

			return err;
	}		}

	static void __exit rtlx_module_exit(void)		static void __exit rtlx_module_exit(void)
	{		{
			int i;

			for (i = 0; i < RTLX_CHANNELS; i++)
			device_destroy(mt_class, MKDEV(major, i));

	unregister_chrdev(major, module_name);		unregister_chrdev(major, module_name);
	}		}