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: Mike Frysinger <vapier@gentoo.org>
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@ -17,6 +17,7 @@
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#include <asm/blackfin.h>
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/* Symbols are here for kgdb test to poke directly */
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static char cmdline[256];
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static size_t len;
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@ -27,11 +28,10 @@ void kgdb_l1_test(void) __attribute__((l1_text));
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void kgdb_l1_test(void)
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{
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printk(KERN_ALERT "L1(before change) : data variable addr = 0x%p, data value is %d\n", &num1, num1);
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printk(KERN_ALERT "L1 : code function addr = 0x%p\n", kgdb_l1_test);
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num1 = num1 + 10 ;
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printk(KERN_ALERT "L1(after change) : data variable addr = 0x%p, data value is %d\n", &num1, num1);
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return ;
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pr_alert("L1(before change) : data variable addr = 0x%p, data value is %d\n", &num1, num1);
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pr_alert("L1 : code function addr = 0x%p\n", kgdb_l1_test);
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num1 = num1 + 10;
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pr_alert("L1(after change) : data variable addr = 0x%p, data value is %d\n", &num1, num1);
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}
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#endif
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@ -42,11 +42,10 @@ void kgdb_l2_test(void) __attribute__((l2));
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void kgdb_l2_test(void)
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{
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printk(KERN_ALERT "L2(before change) : data variable addr = 0x%p, data value is %d\n", &num2, num2);
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printk(KERN_ALERT "L2 : code function addr = 0x%p\n", kgdb_l2_test);
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num2 = num2 + 20 ;
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printk(KERN_ALERT "L2(after change) : data variable addr = 0x%p, data value is %d\n", &num2, num2);
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return ;
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pr_alert("L2(before change) : data variable addr = 0x%p, data value is %d\n", &num2, num2);
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pr_alert("L2 : code function addr = 0x%p\n", kgdb_l2_test);
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num2 = num2 + 20;
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pr_alert("L2(after change) : data variable addr = 0x%p, data value is %d\n", &num2, num2);
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}
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#endif
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@ -54,13 +53,14 @@ void kgdb_l2_test(void)
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int kgdb_test(char *name, int len, int count, int z)
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{
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printk(KERN_ALERT "kgdb name(%d): %s, %d, %d\n", len, name, count, z);
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pr_alert("kgdb name(%d): %s, %d, %d\n", len, name, count, z);
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count = z;
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return count;
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}
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static ssize_t kgdb_test_proc_read(struct file *file, char __user *buf,
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size_t count, loff_t *ppos)
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static ssize_t
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kgdb_test_proc_read(struct file *file, char __user *buf,
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size_t count, loff_t *ppos)
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{
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kgdb_test("hello world!", 12, 0x55, 0x10);
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#ifndef CONFIG_SMP
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@ -73,14 +73,11 @@ static ssize_t kgdb_test_proc_read(struct file *file, char __user *buf,
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return 0;
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}
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static ssize_t kgdb_test_proc_write(struct file *file,
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const char __user *buffer, size_t count, loff_t *pos)
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static ssize_t
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kgdb_test_proc_write(struct file *file, const char __user *buffer,
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size_t count, loff_t *pos)
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{
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if (count >= 256)
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len = 255;
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else
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len = count;
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len = min_t(size_t, 255, count);
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memcpy(cmdline, buffer, count);
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cmdline[len] = 0;
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@ -88,9 +85,9 @@ static ssize_t kgdb_test_proc_write(struct file *file,
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}
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static const struct file_operations kgdb_test_proc_fops = {
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.owner = THIS_MODULE,
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.read = kgdb_test_proc_read,
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.write = kgdb_test_proc_write,
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.owner = THIS_MODULE,
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.read = kgdb_test_proc_read,
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.write = kgdb_test_proc_write,
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};
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static int __init kgdbtest_init(void)
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@ -100,6 +97,7 @@ static int __init kgdbtest_init(void)
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entry = proc_create("kgdbtest", 0, NULL, &kgdb_test_proc_fops);
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if (entry == NULL)
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return -ENOMEM;
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return 0;
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}
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