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

arch/mips/kernel/rtlx.c

+22 −1

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

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

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

		major = register_chrdev(0, module_name, &rtlx_fops);
		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].lx_queue);
		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 */
		@@ -525,10 +535,21 @@ static int rtlx_module_init(void)
		setup_irq(rtlx_irq_num, &rtlx_irq);

		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)
		{
		int i;

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

		unregister_chrdev(major, module_name);
		}