parport_mfc3: Convert DPRINTK to pr_debug

Use a more common logging style.
Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Link: https://lore.kernel.org/r/20200403134325.11523-6-sudipm.mukherjee@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/parport/parport_mfc3.c

@@ -70,11 +70,6 @@
 #define MAX_MFC 5
 
 #undef DEBUG
-#ifdef DEBUG
-#define DPRINTK printk
-#else
-static inline int DPRINTK(void *nothing, ...) {return 0;}
-#endif
 
 static struct parport *this_port[MAX_MFC] = {NULL, };
 static volatile int dummy; /* for trigger readds */
@@ -84,7 +79,7 @@ static struct parport_operations pp_mfc3_ops;
 
 static void mfc3_write_data(struct parport *p, unsigned char data)
 {
-DPRINTK(KERN_DEBUG "write_data %c\n",data);
+	pr_debug("write_data %c\n", data);
 
 	dummy = pia(p)->pprb; /* clears irq bit */
 	/* Triggers also /STROBE.*/
@@ -128,13 +123,13 @@ static unsigned char control_mfc3_to_pc(unsigned char control)
 
 static void mfc3_write_control(struct parport *p, unsigned char control)
 {
-DPRINTK(KERN_DEBUG "write_control %02x\n",control);
+	pr_debug("write_control %02x\n", control);
 	pia(p)->ppra = (pia(p)->ppra & 0x1f) | control_pc_to_mfc3(control);
 }
 	
 static unsigned char mfc3_read_control( struct parport *p)
 {
-DPRINTK(KERN_DEBUG "read_control \n");
+	pr_debug("read_control\n");
 	return control_mfc3_to_pc(pia(p)->ppra & 0xe0);
 }
 
@@ -142,7 +137,7 @@ static unsigned char mfc3_frob_control( struct parport *p, unsigned char mask, u
 {
 	unsigned char old;
 
-DPRINTK(KERN_DEBUG "frob_control mask %02x, value %02x\n",mask,val);
+	pr_debug("frob_control mask %02x, value %02x\n", mask, val);
 	old = mfc3_read_control(p);
 	mfc3_write_control(p, (old & ~mask) ^ val);
 	return old;
@@ -171,7 +166,7 @@ static unsigned char mfc3_read_status(struct parport *p)
 	unsigned char status;
 
 	status = status_mfc3_to_pc(pia(p)->ppra & 0x1f);
-DPRINTK(KERN_DEBUG "read_status %02x\n", status);
+	pr_debug("read_status %02x\n", status);
 	return status;
 }
 
@@ -202,7 +197,7 @@ static void mfc3_disable_irq(struct parport *p)
 
 static void mfc3_data_forward(struct parport *p)
 {
-	DPRINTK(KERN_DEBUG "forward\n");
+	pr_debug("forward\n");
 	pia(p)->crb &= ~PIA_DDR; /* make data direction register visible */
 	pia(p)->pddrb = 255; /* all pins output */
 	pia(p)->crb |= PIA_DDR; /* make data register visible - default */
@@ -210,7 +205,7 @@ static void mfc3_data_forward(struct parport *p)
 
 static void mfc3_data_reverse(struct parport *p)
 {
-	DPRINTK(KERN_DEBUG "reverse\n");
+	pr_debug("reverse\n");
 	pia(p)->crb &= ~PIA_DDR; /* make data direction register visible */
 	pia(p)->pddrb = 0; /* all pins input */
 	pia(p)->crb |= PIA_DDR; /* make data register visible - default */