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Commit 88f7c2fb authored by Mike Frysinger's avatar Mike Frysinger
Browse files

Blackfin: kgdb_test: clean up code a bit 



- document simple global symbols
- convert printk to pr_*
- clean up spurious whitespace
- use min_t()

Signed-off-by: default avatarMike Frysinger <vapier@gentoo.org>
parent 397b761c

arch/blackfin/kernel/kgdb_test.c

+21 −23
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 


#include <asm/blackfin.h>



/* Symbols are here for kgdb test to poke directly */

static char cmdline[256];

static size_t len;
@@ -27,11 +28,10 @@ void kgdb_l1_test(void) __attribute__((l1_text)); 


void kgdb_l1_test(void)

{

	printk(KERN_ALERT "L1(before change) : data variable addr = 0x%p, data value is %d\n", &num1, num1);

	printk(KERN_ALERT "L1 : code function addr = 0x%p\n", kgdb_l1_test);

	pr_alert("L1(before change) : data variable addr = 0x%p, data value is %d\n", &num1, num1);

	pr_alert("L1 : code function addr = 0x%p\n", kgdb_l1_test);

	num1 = num1 + 10;

	printk(KERN_ALERT "L1(after change) : data variable addr = 0x%p, data value is %d\n", &num1, num1);

	return ;

	pr_alert("L1(after change) : data variable addr = 0x%p, data value is %d\n", &num1, num1);

}

#endif
@@ -42,11 +42,10 @@ void kgdb_l2_test(void) __attribute__((l2)); 


void kgdb_l2_test(void)

{

	printk(KERN_ALERT "L2(before change) : data variable addr = 0x%p, data value is %d\n", &num2, num2);

	printk(KERN_ALERT "L2 : code function addr = 0x%p\n", kgdb_l2_test);

	pr_alert("L2(before change) : data variable addr = 0x%p, data value is %d\n", &num2, num2);

	pr_alert("L2 : code function addr = 0x%p\n", kgdb_l2_test);

	num2 = num2 + 20;

	printk(KERN_ALERT "L2(after change) : data variable addr = 0x%p, data value is %d\n", &num2, num2);

	return ;

	pr_alert("L2(after change) : data variable addr = 0x%p, data value is %d\n", &num2, num2);

}



#endif
@@ -54,12 +53,13 @@ void kgdb_l2_test(void) 


int kgdb_test(char *name, int len, int count, int z)

{

	printk(KERN_ALERT "kgdb name(%d): %s, %d, %d\n", len, name, count, z);

	pr_alert("kgdb name(%d): %s, %d, %d\n", len, name, count, z);

	count = z;

	return count;

}



static ssize_t kgdb_test_proc_read(struct file *file, char __user *buf,

static ssize_t

kgdb_test_proc_read(struct file *file, char __user *buf,

                    size_t count, loff_t *ppos)

{

	kgdb_test("hello world!", 12, 0x55, 0x10);
@@ -73,14 +73,11 @@ static ssize_t kgdb_test_proc_read(struct file *file, char __user *buf, 
	return 0;

}



static ssize_t kgdb_test_proc_write(struct file *file,

		const char __user *buffer, size_t count, loff_t *pos)

static ssize_t

kgdb_test_proc_write(struct file *file, const char __user *buffer,

                     size_t count, loff_t *pos)

{

	if (count >= 256)

		len = 255;

	else

		len = count;



	len = min_t(size_t, 255, count);

	memcpy(cmdline, buffer, count);

	cmdline[len] = 0;
@@ -100,6 +97,7 @@ static int __init kgdbtest_init(void) 
	entry = proc_create("kgdbtest", 0, NULL, &kgdb_test_proc_fops);

	if (entry == NULL)

		return -ENOMEM;



	return 0;

}