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Commit e6453521 authored by Brian Norris's avatar Brian Norris Committed by Artem Bityutskiy
Browse files

mtd: pcmciamtd: remove custom DEBUG() function 



We don't need a custom DEBUG() macro here. Just use the built-in kernel
code with dynamic debugging features.

Signed-off-by: default avatarBrian Norris <computersforpeace@gmail.com>
Signed-off-by: default avatarArtem Bityutskiy <artem.bityutskiy@intel.com>
parent 0a32a102

drivers/mtd/maps/pcmciamtd.c

+52 −68
Original line number Diff line number Diff line
@@ -22,22 +22,6 @@ 
#include <linux/mtd/map.h>

#include <linux/mtd/mtd.h>



#ifdef CONFIG_MTD_DEBUG

static int debug = CONFIG_MTD_DEBUG_VERBOSE;

module_param(debug, int, 0);

MODULE_PARM_DESC(debug, "Set Debug Level 0=quiet, 5=noisy");

#undef DEBUG

#define DEBUG(n, format, arg...) \

	if (n <= debug) {	 \

		printk(KERN_DEBUG __FILE__ ":%s(): " format "\n", __func__ , ## arg); \

	}



#else

#undef DEBUG

#define DEBUG(n, arg...)

static const int debug = 0;

#endif



#define info(format, arg...) printk(KERN_INFO "pcmciamtd: " format "\n" , ## arg)



#define DRIVER_DESC	"PCMCIA Flash memory card driver"
@@ -105,13 +89,13 @@ static caddr_t remap_window(struct map_info *map, unsigned long to) 
	int ret;



	if (!pcmcia_dev_present(dev->p_dev)) {

		DEBUG(1, "device removed");

		pr_debug("device removed\n");

		return 0;

	}



	offset = to & ~(dev->win_size-1);

	if (offset != dev->offset) {

		DEBUG(2, "Remapping window from 0x%8.8x to 0x%8.8x",

		pr_debug("Remapping window from 0x%8.8x to 0x%8.8x\n",

		      dev->offset, offset);

		ret = pcmcia_map_mem_page(dev->p_dev, win, offset);

		if (ret != 0)
@@ -132,7 +116,7 @@ static map_word pcmcia_read8_remap(struct map_info *map, unsigned long ofs) 
		return d;



	d.x[0] = readb(addr);

	DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%02lx", ofs, addr, d.x[0]);

	pr_debug("ofs = 0x%08lx (%p) data = 0x%02lx\n", ofs, addr, d.x[0]);

	return d;

}
@@ -147,7 +131,7 @@ static map_word pcmcia_read16_remap(struct map_info *map, unsigned long ofs) 
		return d;



	d.x[0] = readw(addr);

	DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%04lx", ofs, addr, d.x[0]);

	pr_debug("ofs = 0x%08lx (%p) data = 0x%04lx\n", ofs, addr, d.x[0]);

	return d;

}
@@ -157,7 +141,7 @@ static void pcmcia_copy_from_remap(struct map_info *map, void *to, unsigned long 
	struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;

	unsigned long win_size = dev->win_size;



	DEBUG(3, "to = %p from = %lu len = %zd", to, from, len);

	pr_debug("to = %p from = %lu len = %zd\n", to, from, len);

	while(len) {

		int toread = win_size - (from & (win_size-1));

		caddr_t addr;
@@ -169,7 +153,7 @@ static void pcmcia_copy_from_remap(struct map_info *map, void *to, unsigned long 
		if(!addr)

			return;



		DEBUG(4, "memcpy from %p to %p len = %d", addr, to, toread);

		pr_debug("memcpy from %p to %p len = %d\n", addr, to, toread);

		memcpy_fromio(to, addr, toread);

		len -= toread;

		to += toread;
@@ -185,7 +169,7 @@ static void pcmcia_write8_remap(struct map_info *map, map_word d, unsigned long 
	if(!addr)

		return;



	DEBUG(3, "adr = 0x%08lx (%p)  data = 0x%02lx", adr, addr, d.x[0]);

	pr_debug("adr = 0x%08lx (%p)  data = 0x%02lx\n", adr, addr, d.x[0]);

	writeb(d.x[0], addr);

}
@@ -196,7 +180,7 @@ static void pcmcia_write16_remap(struct map_info *map, map_word d, unsigned long 
	if(!addr)

		return;



	DEBUG(3, "adr = 0x%08lx (%p)  data = 0x%04lx", adr, addr, d.x[0]);

	pr_debug("adr = 0x%08lx (%p)  data = 0x%04lx\n", adr, addr, d.x[0]);

	writew(d.x[0], addr);

}
@@ -206,7 +190,7 @@ static void pcmcia_copy_to_remap(struct map_info *map, unsigned long to, const v 
	struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;

	unsigned long win_size = dev->win_size;



	DEBUG(3, "to = %lu from = %p len = %zd", to, from, len);

	pr_debug("to = %lu from = %p len = %zd\n", to, from, len);

	while(len) {

		int towrite = win_size - (to & (win_size-1));

		caddr_t addr;
@@ -218,7 +202,7 @@ static void pcmcia_copy_to_remap(struct map_info *map, unsigned long to, const v 
		if(!addr)

			return;



		DEBUG(4, "memcpy from %p to %p len = %d", from, addr, towrite);

		pr_debug("memcpy from %p to %p len = %d\n", from, addr, towrite);

		memcpy_toio(addr, from, towrite);

		len -= towrite;

		to += towrite;
@@ -240,7 +224,7 @@ static map_word pcmcia_read8(struct map_info *map, unsigned long ofs) 
		return d;



	d.x[0] = readb(win_base + ofs);

	DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%02lx",

	pr_debug("ofs = 0x%08lx (%p) data = 0x%02lx\n",

	      ofs, win_base + ofs, d.x[0]);

	return d;

}
@@ -255,7 +239,7 @@ static map_word pcmcia_read16(struct map_info *map, unsigned long ofs) 
		return d;



	d.x[0] = readw(win_base + ofs);

	DEBUG(3, "ofs = 0x%08lx (%p) data = 0x%04lx",

	pr_debug("ofs = 0x%08lx (%p) data = 0x%04lx\n",

	      ofs, win_base + ofs, d.x[0]);

	return d;

}
@@ -268,7 +252,7 @@ static void pcmcia_copy_from(struct map_info *map, void *to, unsigned long from, 
	if(DEV_REMOVED(map))

		return;



	DEBUG(3, "to = %p from = %lu len = %zd", to, from, len);

	pr_debug("to = %p from = %lu len = %zd\n", to, from, len);

	memcpy_fromio(to, win_base + from, len);

}
@@ -280,7 +264,7 @@ static void pcmcia_write8(struct map_info *map, map_word d, unsigned long adr) 
	if(DEV_REMOVED(map))

		return;



	DEBUG(3, "adr = 0x%08lx (%p)  data = 0x%02lx",

	pr_debug("adr = 0x%08lx (%p)  data = 0x%02lx\n",

	      adr, win_base + adr, d.x[0]);

	writeb(d.x[0], win_base + adr);

}
@@ -293,7 +277,7 @@ static void pcmcia_write16(struct map_info *map, map_word d, unsigned long adr) 
	if(DEV_REMOVED(map))

		return;



	DEBUG(3, "adr = 0x%08lx (%p)  data = 0x%04lx",

	pr_debug("adr = 0x%08lx (%p)  data = 0x%04lx\n",

	      adr, win_base + adr, d.x[0]);

	writew(d.x[0], win_base + adr);

}
@@ -306,7 +290,7 @@ static void pcmcia_copy_to(struct map_info *map, unsigned long to, const void *f 
	if(DEV_REMOVED(map))

		return;



	DEBUG(3, "to = %lu from = %p len = %zd", to, from, len);

	pr_debug("to = %lu from = %p len = %zd\n", to, from, len);

	memcpy_toio(win_base + to, from, len);

}
@@ -316,7 +300,7 @@ static void pcmciamtd_set_vpp(struct map_info *map, int on) 
	struct pcmciamtd_dev *dev = (struct pcmciamtd_dev *)map->map_priv_1;

	struct pcmcia_device *link = dev->p_dev;



	DEBUG(2, "dev = %p on = %d vpp = %d\n", dev, on, dev->vpp);

	pr_debug("dev = %p on = %d vpp = %d\n\n", dev, on, dev->vpp);

	pcmcia_fixup_vpp(link, on ? dev->vpp : 0);

}
@@ -325,7 +309,7 @@ static void pcmciamtd_release(struct pcmcia_device *link) 
{

	struct pcmciamtd_dev *dev = link->priv;



	DEBUG(3, "link = 0x%p", link);

	pr_debug("link = 0x%p\n", link);



	if (link->resource[2]->end) {

		if(dev->win_base) {
@@ -347,7 +331,7 @@ static int pcmciamtd_cistpl_format(struct pcmcia_device *p_dev, 
	if (!pcmcia_parse_tuple(tuple, &parse)) {

		cistpl_format_t *t = &parse.format;

		(void)t; /* Shut up, gcc */

		DEBUG(2, "Format type: %u, Error Detection: %u, offset = %u, length =%u",

		pr_debug("Format type: %u, Error Detection: %u, offset = %u, length =%u\n",

			t->type, t->edc, t->offset, t->length);

	}

	return -ENOSPC;
@@ -363,7 +347,7 @@ static int pcmciamtd_cistpl_jedec(struct pcmcia_device *p_dev, 
	if (!pcmcia_parse_tuple(tuple, &parse)) {

		cistpl_jedec_t *t = &parse.jedec;

		for (i = 0; i < t->nid; i++)

			DEBUG(2, "JEDEC: 0x%02x 0x%02x",

			pr_debug("JEDEC: 0x%02x 0x%02x\n",

			      t->id[i].mfr, t->id[i].info);

	}

	return -ENOSPC;
@@ -382,14 +366,14 @@ static int pcmciamtd_cistpl_device(struct pcmcia_device *p_dev, 
	if (pcmcia_parse_tuple(tuple, &parse))

		return -EINVAL;



	DEBUG(2, "Common memory:");

	pr_debug("Common memory:\n");

	dev->pcmcia_map.size = t->dev[0].size;

	/* from here on: DEBUG only */

	for (i = 0; i < t->ndev; i++) {

		DEBUG(2, "Region %d, type = %u", i, t->dev[i].type);

		DEBUG(2, "Region %d, wp = %u", i, t->dev[i].wp);

		DEBUG(2, "Region %d, speed = %u ns", i, t->dev[i].speed);

		DEBUG(2, "Region %d, size = %u bytes", i, t->dev[i].size);

		pr_debug("Region %d, type = %u\n", i, t->dev[i].type);

		pr_debug("Region %d, wp = %u\n", i, t->dev[i].wp);

		pr_debug("Region %d, speed = %u ns\n", i, t->dev[i].speed);

		pr_debug("Region %d, size = %u bytes\n", i, t->dev[i].size);

	}

	return 0;

}
@@ -409,12 +393,12 @@ static int pcmciamtd_cistpl_geo(struct pcmcia_device *p_dev, 
	dev->pcmcia_map.bankwidth = t->geo[0].buswidth;

	/* from here on: DEBUG only */

	for (i = 0; i < t->ngeo; i++) {

		DEBUG(2, "region: %d bankwidth = %u", i, t->geo[i].buswidth);

		DEBUG(2, "region: %d erase_block = %u", i, t->geo[i].erase_block);

		DEBUG(2, "region: %d read_block = %u", i, t->geo[i].read_block);

		DEBUG(2, "region: %d write_block = %u", i, t->geo[i].write_block);

		DEBUG(2, "region: %d partition = %u", i, t->geo[i].partition);

		DEBUG(2, "region: %d interleave = %u", i, t->geo[i].interleave);

		pr_debug("region: %d bankwidth = %u\n", i, t->geo[i].buswidth);

		pr_debug("region: %d erase_block = %u\n", i, t->geo[i].erase_block);

		pr_debug("region: %d read_block = %u\n", i, t->geo[i].read_block);

		pr_debug("region: %d write_block = %u\n", i, t->geo[i].write_block);

		pr_debug("region: %d partition = %u\n", i, t->geo[i].partition);

		pr_debug("region: %d interleave = %u\n", i, t->geo[i].interleave);

	}

	return 0;

}
@@ -432,7 +416,7 @@ static void card_settings(struct pcmciamtd_dev *dev, struct pcmcia_device *p_dev 
			if (p_dev->prod_id[i])

				strcat(dev->mtd_name, p_dev->prod_id[i]);

		}

		DEBUG(2, "Found name: %s", dev->mtd_name);

		pr_debug("Found name: %s\n", dev->mtd_name);

	}



#ifdef CONFIG_MTD_DEBUG
@@ -450,12 +434,12 @@ static void card_settings(struct pcmciamtd_dev *dev, struct pcmcia_device *p_dev 


	if(force_size) {

		dev->pcmcia_map.size = force_size << 20;

		DEBUG(2, "size forced to %dM", force_size);

		pr_debug("size forced to %dM\n", force_size);

	}



	if(bankwidth) {

		dev->pcmcia_map.bankwidth = bankwidth;

		DEBUG(2, "bankwidth forced to %d", bankwidth);

		pr_debug("bankwidth forced to %d\n", bankwidth);

	}



	dev->pcmcia_map.name = dev->mtd_name;
@@ -464,7 +448,7 @@ static void card_settings(struct pcmciamtd_dev *dev, struct pcmcia_device *p_dev 
		*new_name = 1;

	}



	DEBUG(1, "Device: Size: %lu Width:%d Name: %s",

	pr_debug("Device: Size: %lu Width:%d Name: %s\n",

	      dev->pcmcia_map.size,

	      dev->pcmcia_map.bankwidth << 3, dev->mtd_name);

}
@@ -479,7 +463,7 @@ static int pcmciamtd_config(struct pcmcia_device *link) 
	static char *probes[] = { "jedec_probe", "cfi_probe" };

	int new_name = 0;



	DEBUG(3, "link=0x%p", link);

	pr_debug("link=0x%p\n", link);



	card_settings(dev, link, &new_name);
@@ -512,11 +496,11 @@ static int pcmciamtd_config(struct pcmcia_device *link) 


	do {

		int ret;

		DEBUG(2, "requesting window with size = %luKiB memspeed = %d",

		pr_debug("requesting window with size = %luKiB memspeed = %d\n",

			(unsigned long) resource_size(link->resource[2]) >> 10,

			mem_speed);

		ret = pcmcia_request_window(link, link->resource[2], mem_speed);

		DEBUG(2, "ret = %d dev->win_size = %d", ret, dev->win_size);

		pr_debug("ret = %d dev->win_size = %d\n", ret, dev->win_size);

		if(ret) {

			j++;

			link->resource[2]->start = 0;
@@ -524,21 +508,21 @@ static int pcmciamtd_config(struct pcmcia_device *link) 
					force_size << 20 : MAX_PCMCIA_ADDR;

			link->resource[2]->end >>= j;

		} else {

			DEBUG(2, "Got window of size %luKiB", (unsigned long)

			pr_debug("Got window of size %luKiB\n", (unsigned long)

				resource_size(link->resource[2]) >> 10);

			dev->win_size = resource_size(link->resource[2]);

			break;

		}

	} while (link->resource[2]->end >= 0x1000);



	DEBUG(2, "dev->win_size = %d", dev->win_size);

	pr_debug("dev->win_size = %d\n", dev->win_size);



	if(!dev->win_size) {

		dev_err(&dev->p_dev->dev, "Cannot allocate memory window\n");

		pcmciamtd_release(link);

		return -ENODEV;

	}

	DEBUG(1, "Allocated a window of %dKiB", dev->win_size >> 10);

	pr_debug("Allocated a window of %dKiB\n", dev->win_size >> 10);



	/* Get write protect status */

	dev->win_base = ioremap(link->resource[2]->start,
@@ -549,7 +533,7 @@ static int pcmciamtd_config(struct pcmcia_device *link) 
		pcmciamtd_release(link);

		return -ENODEV;

	}

	DEBUG(1, "mapped window dev = %p @ %pR, base = %p",

	pr_debug("mapped window dev = %p @ %pR, base = %p\n",

	      dev, link->resource[2], dev->win_base);



	dev->offset = 0;
@@ -564,7 +548,7 @@ static int pcmciamtd_config(struct pcmcia_device *link) 
	}



	link->config_index = 0;

	DEBUG(2, "Setting Configuration");

	pr_debug("Setting Configuration\n");

	ret = pcmcia_enable_device(link);

	if (ret != 0) {

		if (dev->win_base) {
@@ -580,17 +564,17 @@ static int pcmciamtd_config(struct pcmcia_device *link) 
		mtd = do_map_probe("map_rom", &dev->pcmcia_map);

	} else {

		for(i = 0; i < ARRAY_SIZE(probes); i++) {

			DEBUG(1, "Trying %s", probes[i]);

			pr_debug("Trying %s\n", probes[i]);

			mtd = do_map_probe(probes[i], &dev->pcmcia_map);

			if(mtd)

				break;



			DEBUG(1, "FAILED: %s", probes[i]);

			pr_debug("FAILED: %s\n", probes[i]);

		}

	}



	if(!mtd) {

		DEBUG(1, "Can not find an MTD");

		pr_debug("Can not find an MTD\n");

		pcmciamtd_release(link);

		return -ENODEV;

	}
@@ -617,7 +601,7 @@ static int pcmciamtd_config(struct pcmcia_device *link) 
	/* If the memory found is fits completely into the mapped PCMCIA window,

	   use the faster non-remapping read/write functions */

	if(mtd->size <= dev->win_size) {

		DEBUG(1, "Using non remapping memory functions");

		pr_debug("Using non remapping memory functions\n");

		dev->pcmcia_map.map_priv_2 = (unsigned long)dev->win_base;

		if (dev->pcmcia_map.bankwidth == 1) {

			dev->pcmcia_map.read = pcmcia_read8;
@@ -645,7 +629,7 @@ static int pcmciamtd_config(struct pcmcia_device *link) 


static int pcmciamtd_suspend(struct pcmcia_device *dev)

{

	DEBUG(2, "EVENT_PM_RESUME");

	pr_debug("EVENT_PM_RESUME\n");



	/* get_lock(link); */
@@ -654,7 +638,7 @@ static int pcmciamtd_suspend(struct pcmcia_device *dev) 


static int pcmciamtd_resume(struct pcmcia_device *dev)

{

	DEBUG(2, "EVENT_PM_SUSPEND");

	pr_debug("EVENT_PM_SUSPEND\n");



	/* free_lock(link); */
@@ -666,7 +650,7 @@ static void pcmciamtd_detach(struct pcmcia_device *link) 
{

	struct pcmciamtd_dev *dev = link->priv;



	DEBUG(3, "link=0x%p", link);

	pr_debug("link=0x%p\n", link);



	if(dev->mtd_info) {

		mtd_device_unregister(dev->mtd_info);
@@ -686,7 +670,7 @@ static int pcmciamtd_probe(struct pcmcia_device *link) 
	/* Create new memory card device */

	dev = kzalloc(sizeof(*dev), GFP_KERNEL);

	if (!dev) return -ENOMEM;

	DEBUG(1, "dev=0x%p", dev);

	pr_debug("dev=0x%p\n", dev);



	dev->p_dev = link;

	link->priv = dev;
@@ -755,7 +739,7 @@ static int __init init_pcmciamtd(void) 


static void __exit exit_pcmciamtd(void)

{

	DEBUG(1, DRIVER_DESC " unloading");

	pr_debug(DRIVER_DESC " unloading");

	pcmcia_unregister_driver(&pcmciamtd_driver);

}