toshiba: Add correct printk log level while emitting error log

The printk functions are invoked without specifying required
log level when printing error messages. This commit replaces
all direct uses of printk with their corresponding pr_err/info/debug
variant.
Signed-off-by: Rishi Gupta <gupt21@gmail.com>
Link: https://lore.kernel.org/r/1566113671-8743-1-git-send-email-gupt21@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/char/toshiba.c

@@ -373,7 +373,7 @@ static int tosh_get_machine_id(void __iomem *bios)
 		   value. This has been verified on a Satellite Pro 430CDT,
 		   Tecra 750CDT, Tecra 780DVD and Satellite 310CDT. */
 #if TOSH_DEBUG
-		printk("toshiba: debugging ID ebx=0x%04x\n", regs.ebx);
+		pr_debug("toshiba: debugging ID ebx=0x%04x\n", regs.ebx);
 #endif
 		bx = 0xe6f5;
 
@@ -417,7 +417,7 @@ static int tosh_probe(void)
 
 	for (i=0;i<7;i++) {
 		if (readb(bios+0xe010+i)!=signature[i]) {
-			printk("toshiba: not a supported Toshiba laptop\n");
+			pr_err("toshiba: not a supported Toshiba laptop\n");
 			iounmap(bios);
 			return -ENODEV;
 		}
@@ -433,7 +433,7 @@ static int tosh_probe(void)
 	/* if this is not a Toshiba laptop carry flag is set and ah=0x86 */
 
 	if ((flag==1) || ((regs.eax & 0xff00)==0x8600)) {
-		printk("toshiba: not a supported Toshiba laptop\n");
+		pr_err("toshiba: not a supported Toshiba laptop\n");
 		iounmap(bios);
 		return -ENODEV;
 	}
@@ -486,7 +486,7 @@ static int __init toshiba_init(void)
 	if (tosh_probe())
 		return -ENODEV;
 
-	printk(KERN_INFO "Toshiba System Management Mode driver v" TOSH_VERSION "\n");
+	pr_info("Toshiba System Management Mode driver v" TOSH_VERSION "\n");
 
 	/* set the port to use for Fn status if not specified as a parameter */
 	if (tosh_fn==0x00)