Merge tag 'parisc-for-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux

Pull parisc updates from Helge Deller:

- drop parisc specific memcpy_fromio() function

- clean up coding style and fix compile warnings

* tag 'parisc-for-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: led: Use scnprintf() to avoid string truncation warning
Input: gscps2 - Describe missing function parameters
parisc: perf: use named initializers for struct miscdevice
parisc: PDT: Fix missing prototype warning
parisc: Remove memcpy_fromio
parisc: Fix formatting errors in io.c

arch/parisc/include/asm/io.h

···
 
 #define pci_iounmap			pci_iounmap
 
-void memcpy_fromio(void *dst, const volatile void __iomem *src, int count);
-#define memcpy_fromio memcpy_fromio
-
 /* Port-space IO */
 
 #define inb_p inb

arch/parisc/kernel/parisc_ksyms.c

···
 #endif
 
 #include <asm/io.h>
-EXPORT_SYMBOL(memcpy_fromio);
 
 extern void $$divI(void);
 extern void $$divU(void);

arch/parisc/kernel/pdt.c

···
 #define PDT_ADDR_PERM_ERR	(pdt_type != PDT_PDC ? 2UL : 0UL)
 #define PDT_ADDR_SINGLE_ERR	1UL
 
+#ifdef CONFIG_PROC_FS
 /* report PDT entries via /proc/meminfo */
 void arch_report_meminfo(struct seq_file *m)
 {
···
 	seq_printf(m, "PDT_cur_entries: %7lu\n",
 			pdt_status.pdt_entries);
 }
+#endif
 
 static int get_info_pat_new(void)
 {

arch/parisc/kernel/perf.c

···
 };
 
 static struct miscdevice perf_dev = {
-	MISC_DYNAMIC_MINOR,
-	PA_PERF_DEV,
-	&perf_fops
+	.minor	= MISC_DYNAMIC_MINOR,
+	.name	= PA_PERF_DEV,
+	.fops	= &perf_fops,
 };
 
 /*

arch/parisc/lib/io.c

···
 #include <asm/io.h>
 
 /*
-** Copies a block of memory from a device in an efficient manner.
-** Assumes the device can cope with 32-bit transfers.  If it can't,
-** don't use this function.
-**
-** CR16 counts on C3000 reading 256 bytes from Symbios 896 RAM:
-**	27341/64    = 427 cyc per int
-**	61311/128   = 478 cyc per short
-**	122637/256  = 479 cyc per byte
-** Ergo bus latencies dominant (not transfer size).
-**      Minimize total number of transfers at cost of CPU cycles.
-**	TODO: only look at src alignment and adjust the stores to dest.
-*/
-void memcpy_fromio(void *dst, const volatile void __iomem *src, int count)
-{
-	/* first compare alignment of src/dst */ 
-	if ( (((unsigned long)dst ^ (unsigned long)src) & 1) || (count < 2) )
-		goto bytecopy;
-
-	if ( (((unsigned long)dst ^ (unsigned long)src) & 2) || (count < 4) )
-		goto shortcopy;
-
-	/* Then check for misaligned start address */
-	if ((unsigned long)src & 1) {
-		*(u8 *)dst = readb(src);
-		src++;
-		dst++;
-		count--;
-		if (count < 2) goto bytecopy;
-	}
-
-	if ((unsigned long)src & 2) {
-		*(u16 *)dst = __raw_readw(src);
-		src += 2;
-		dst += 2;
-		count -= 2;
-	}
-
-	while (count > 3) {
-		*(u32 *)dst = __raw_readl(src);
-		dst += 4;
-		src += 4;
-		count -= 4;
-	}
-
- shortcopy:
-	while (count > 1) {
-		*(u16 *)dst = __raw_readw(src);
-		src += 2;
-		dst += 2;
-		count -= 2;
-	}
-
- bytecopy:
-	while (count--) {
-		*(char *)dst = readb(src);
-		src++;
-		dst++;
-	}
-}
-
-/*
  * Read COUNT 8-bit bytes from port PORT into memory starting at
  * SRC.
  */
···
 	unsigned char *p;
 
 	p = (unsigned char *)dst;
-	
+
 	if (!count)
 		return;
-	
+
 	switch (((unsigned long)p) & 0x3)
 	{
 	 case 0x00:			/* Buffer 32-bit aligned */
 		while (count>=2) {
-			
+
 			count -= 2;
 			l = cpu_to_le16(inw(port)) << 16;
 			l |= cpu_to_le16(inw(port));
···
 			*(unsigned short *)p = cpu_to_le16(inw(port));
 		}
 		break;
-	
+
 	 case 0x02:			/* Buffer 16-bit aligned */
 		*(unsigned short *)p = cpu_to_le16(inw(port));
 		p += 2;
 		count--;
 		while (count>=2) {
-			
+
 			count -= 2;
 			l = cpu_to_le16(inw(port)) << 16;
 			l |= cpu_to_le16(inw(port));
···
 			*(unsigned short *)p = cpu_to_le16(inw(port));
 		}
 		break;
-		
+
 	 case 0x01:			/* Buffer 8-bit aligned */
 	 case 0x03:
 		/* I don't bother with 32bit transfers
 		 * in this case, 16bit will have to do -- DE */
 		--count;
-		
+
 		l = cpu_to_le16(inw(port));
 		*p = l >> 8;
 		p++;
···
 	unsigned char *p;
 
 	p = (unsigned char *)dst;
-	
+
 	if (!count)
 		return;
-	
+
 	switch (((unsigned long) dst) & 0x3)
 	{
 	 case 0x00:			/* Buffer 32-bit aligned */
···
 			p += 4;
 		}
 		break;
-	
+
 	 case 0x02:			/* Buffer 16-bit aligned */
 		--count;
-		
+
 		l = cpu_to_le32(inl(port));
 		*(unsigned short *)p = l >> 16;
 		p += 2;
-		
+
 		while (count--)
 		{
 			l2 = cpu_to_le32(inl(port));
···
 		break;
 	 case 0x01:			/* Buffer 8-bit aligned */
 		--count;
-		
+
 		l = cpu_to_le32(inl(port));
 		*(unsigned char *)p = l >> 24;
 		p++;
···
 		break;
 	 case 0x03:			/* Buffer 8-bit aligned */
 		--count;
-		
+
 		l = cpu_to_le32(inl(port));
 		*p = l >> 24;
 		p++;
···
 	const unsigned char *p;
 
 	p = (const unsigned char *)src;
-	
+
 	if (!count)
 		return;
-	
+
 	switch (((unsigned long)p) & 0x3)
 	{
 	 case 0x00:			/* Buffer 32-bit aligned */
···
 			outw(le16_to_cpu(*(unsigned short*)p), port);
 		}
 		break;
-	
+
 	 case 0x02:			/* Buffer 16-bit aligned */
-		
+
 		outw(le16_to_cpu(*(unsigned short*)p), port);
 		p += 2;
 		count--;
-		
+
 		while (count>=2) {
 			count -= 2;
 			l = *(unsigned int *)p;
···
 			outw(le16_to_cpu(*(unsigned short *)p), port);
 		}
 		break;
-		
-	 case 0x01:			/* Buffer 8-bit aligned */	
+
+	 case 0x01:			/* Buffer 8-bit aligned */
 		/* I don't bother with 32bit transfers
 		 * in this case, 16bit will have to do -- DE */
-		
+
 		l  = *p << 8;
 		p++;
 		count--;
···
 		l2 = *(unsigned char *)p;
 		outw (le16_to_cpu(l | l2>>8), port);
 		break;
-	
+
 	}
 }
 
···
 	const unsigned char *p;
 
 	p = (const unsigned char *)src;
-	
+
 	if (!count)
 		return;
-	
+
 	switch (((unsigned long)p) & 0x3)
 	{
 	 case 0x00:			/* Buffer 32-bit aligned */
···
 			p += 4;
 		}
 		break;
-	
+
 	 case 0x02:			/* Buffer 16-bit aligned */
 		--count;
-		
+
 		l = *(unsigned short *)p;
 		p += 2;
-		
+
 		while (count--)
 		{
 			l2 = *(unsigned int *)p;
···
 		break;
 	 case 0x03:			/* Buffer 8-bit aligned */
 		--count;
-		
+
 		l = *p << 24;
 		p++;
 

drivers/input/serio/gscps2.c

···
 
 /**
  * gscps2_interrupt() - Interruption service routine
+ * @irq: interrupt number which triggered (unused)
+ * @dev: device pointer (unused)
  *
  * This function reads received PS/2 bytes and processes them on
  * all interfaces.
···
 
 /**
  * gscps2_probe() - Probes PS2 devices
+ * @dev: pointer to parisc_device struct which will be probed
+ *
  * @return: success/error report
  */
 
···
 
 /**
  * gscps2_remove() - Removes PS2 devices
+ * @dev: pointer to parisc_device which shall be removed
+ *
  * @return: success/error report
  */
 

drivers/parisc/led.c

···
 static unsigned char lastleds;		/* LED state from most recent update */
 static unsigned char lcd_new_text;
 static unsigned char lcd_text[20];
-static unsigned char lcd_text_default[20];
 static unsigned char lcd_no_led_support; /* KittyHawk doesn't support LED on its LCD */
 
 struct lcd_block {
···
 	struct pdc_chassis_info chassis_info;
 	int ret;
 
-	snprintf(lcd_text_default, sizeof(lcd_text_default),
+	scnprintf(lcd_text, sizeof(lcd_text),
 		"Linux %s", init_utsname()->release);
-	strcpy(lcd_text, lcd_text_default);
 	lcd_new_text = 1;
 
 	/* Work around the buggy PDC of KittyHawk-machines */