[MMC] Pass -DDEBUG on compiler command line if MMC_DEBUG selected

Rather than each driver test MMC_DEBUG itself, and define DEBUG,
pass it in via the makefile instead.

Fix drivers to use pr_debug() where appropriate, and avoid defining
a DEBUG() macro.

Signed-off-by: Russell King <[e-mail]>

drivers/mmc/Makefile

···
 obj-$(CONFIG_MMC_OMAP)		+= omap.o
 
 mmc_core-y := mmc.o mmc_queue.o mmc_sysfs.o
+
+ifeq ($(CONFIG_MMC_DEBUG),y)
+EXTRA_CFLAGS += -DDEBUG
+endif

drivers/mmc/au1xmmc.c

···
 #define DRIVER_NAME "au1xxx-mmc"
 
 /* Set this to enable special debugging macros */
-/* #define MMC_DEBUG */
 
-#ifdef MMC_DEBUG
-#define DEBUG(fmt, idx, args...) printk("au1xx(%d): DEBUG: " fmt, idx, ##args)
+#ifdef DEBUG
+#define DBG(fmt, idx, args...) printk("au1xx(%d): DEBUG: " fmt, idx, ##args)
 #else
-#define DEBUG(fmt, idx, args...)
+#define DBG(fmt, idx, args...)
 #endif
 
 const struct {
···
 			break;
 
 		if (status & SD_STATUS_RC) {
-			DEBUG("RX CRC Error [%d + %d].\n", host->id,
+			DBG("RX CRC Error [%d + %d].\n", host->id,
 					host->pio.len, count);
 			break;
 		}
 
 		if (status & SD_STATUS_RO) {
-			DEBUG("RX Overrun [%d + %d]\n", host->id,
+			DBG("RX Overrun [%d + %d]\n", host->id,
 					host->pio.len, count);
 			break;
 		}
 		else if (status & SD_STATUS_RU) {
-			DEBUG("RX Underrun [%d + %d]\n", host->id,
+			DBG("RX Underrun [%d + %d]\n", host->id,
 					host->pio.len,	count);
 			break;
 		}
···
 {
 	struct au1xmmc_host *host = mmc_priv(mmc);
 
-	DEBUG("set_ios (power=%u, clock=%uHz, vdd=%u, mode=%u)\n",
+	DBG("set_ios (power=%u, clock=%uHz, vdd=%u, mode=%u)\n",
 	      host->id, ios->power_mode, ios->clock, ios->vdd,
 	      ios->bus_mode);
 
···
 				au1xmmc_receive_pio(host);
 		}
 		else if (status & 0x203FBC70) {
-			DEBUG("Unhandled status %8.8x\n", host->id, status);
+			DBG("Unhandled status %8.8x\n", host->id, status);
 			handled = 0;
 		}
 
···
 
 	if (host->mrq != NULL) {
 		u32 status = au_readl(HOST_STATUS(host));
-		DEBUG("PENDING - %8.8x\n", host->id, status);
+		DBG("PENDING - %8.8x\n", host->id, status);
 	}
 
 	mod_timer(&host->timer, jiffies + AU1XMMC_DETECT_TIMEOUT);

drivers/mmc/mmc.c

···
 
 #include "mmc.h"
 
-#ifdef CONFIG_MMC_DEBUG
-#define DBG(x...)	printk(KERN_DEBUG x)
-#else
-#define DBG(x...)	do { } while (0)
-#endif
-
 #define CMD_RETRIES	3
 
 /*
···
 {
 	struct mmc_command *cmd = mrq->cmd;
 	int err = mrq->cmd->error;
-	DBG("MMC: req done (%02x): %d: %08x %08x %08x %08x\n", cmd->opcode,
-	    err, cmd->resp[0], cmd->resp[1], cmd->resp[2], cmd->resp[3]);
+	pr_debug("MMC: req done (%02x): %d: %08x %08x %08x %08x\n",
+		 cmd->opcode, err, cmd->resp[0], cmd->resp[1],
+		 cmd->resp[2], cmd->resp[3]);
 
 	if (err && cmd->retries) {
 		cmd->retries--;
···
 void
 mmc_start_request(struct mmc_host *host, struct mmc_request *mrq)
 {
-	DBG("MMC: starting cmd %02x arg %08x flags %08x\n",
-	    mrq->cmd->opcode, mrq->cmd->arg, mrq->cmd->flags);
+	pr_debug("MMC: starting cmd %02x arg %08x flags %08x\n",
+		 mrq->cmd->opcode, mrq->cmd->arg, mrq->cmd->flags);
 
 	WARN_ON(host->card_busy == NULL);
 
···
 		if (!mmc_card_dead(card) && max_dtr > card->csd.max_dtr)
 			max_dtr = card->csd.max_dtr;
 
-	DBG("MMC: selected %d.%03dMHz transfer rate\n",
-	    max_dtr / 1000000, (max_dtr / 1000) % 1000);
+	pr_debug("MMC: selected %d.%03dMHz transfer rate\n",
+		 max_dtr / 1000000, (max_dtr / 1000) % 1000);
 
 	return max_dtr;
 }

drivers/mmc/mmci.c

···
 
 #define DRIVER_NAME "mmci-pl18x"
 
-#ifdef CONFIG_MMC_DEBUG
 #define DBG(host,fmt,args...)	\
 	pr_debug("%s: %s: " fmt, mmc_hostname(host->mmc), __func__ , args)
-#else
-#define DBG(host,fmt,args...)	do { } while (0)
-#endif
 
 static unsigned int fmax = 515633;
 

drivers/mmc/omap.c

···
  */
 
 #include <linux/config.h>
-
-#ifdef CONFIG_MMC_DEBUG
-#define DEBUG	/* for dev_dbg(), pr_debug(), etc */
-#endif
-
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/init.h>

drivers/mmc/pxamci.c

···
 
 #include "pxamci.h"
 
-#ifdef CONFIG_MMC_DEBUG
-#define DBG(x...)	printk(KERN_DEBUG x)
-#else
-#define DBG(x...)	do { } while (0)
-#endif
-
 #define DRIVER_NAME	"pxa2xx-mci"
 
 #define NR_SG	1
···
 
 static void pxamci_finish_request(struct pxamci_host *host, struct mmc_request *mrq)
 {
-	DBG("PXAMCI: request done\n");
+	pr_debug("PXAMCI: request done\n");
 	host->mrq = NULL;
 	host->cmd = NULL;
 	host->data = NULL;
···
 			if ((cmd->resp[0] & 0x80000000) == 0)
 				cmd->error = MMC_ERR_BADCRC;
 		} else {
-			DBG("ignoring CRC from command %d - *risky*\n",cmd->opcode);
+			pr_debug("ignoring CRC from command %d - *risky*\n",cmd->opcode);
 		}
 #else
 		cmd->error = MMC_ERR_BADCRC;
···
 
 	ireg = readl(host->base + MMC_I_REG);
 
-	DBG("PXAMCI: irq %08x\n", ireg);
+	pr_debug("PXAMCI: irq %08x\n", ireg);
 
 	if (ireg) {
 		unsigned stat = readl(host->base + MMC_STAT);
 
-		DBG("PXAMCI: stat %08x\n", stat);
+		pr_debug("PXAMCI: stat %08x\n", stat);
 
 		if (ireg & END_CMD_RES)
 			handled |= pxamci_cmd_done(host, stat);
···
 {
 	struct pxamci_host *host = mmc_priv(mmc);
 
-	DBG("pxamci_set_ios: clock %u power %u vdd %u.%02u\n",
-	    ios->clock, ios->power_mode, ios->vdd / 100,
-	    ios->vdd % 100);
+	pr_debug("pxamci_set_ios: clock %u power %u vdd %u.%02u\n",
+		 ios->clock, ios->power_mode, ios->vdd / 100,
+		 ios->vdd % 100);
 
 	if (ios->clock) {
 		unsigned int clk = CLOCKRATE / ios->clock;
···
 			host->cmdat |= CMDAT_INIT;
 	}
 
-	DBG("pxamci_set_ios: clkrt = %x cmdat = %x\n",
-	    host->clkrt, host->cmdat);
+	pr_debug("pxamci_set_ios: clkrt = %x cmdat = %x\n",
+		 host->clkrt, host->cmdat);
 }
 
 static struct mmc_host_ops pxamci_ops = {

drivers/mmc/sdhci.c

···
 
 #define BUGMAIL "<[e-mail]>"
 
-#ifdef CONFIG_MMC_DEBUG
 #define DBG(f, x...) \
-	printk(KERN_DEBUG DRIVER_NAME " [%s()]: " f, __func__,## x)
-#else
-#define DBG(f, x...) do { } while (0)
-#endif
+	pr_debug(DRIVER_NAME " [%s()]: " f, __func__,## x)
 
 static const struct pci_device_id pci_ids[] __devinitdata = {
 	/* handle any SD host controller */

drivers/mmc/wbsd.c

···
 #define DRIVER_NAME "wbsd"
 #define DRIVER_VERSION "1.5"
 
-#ifdef CONFIG_MMC_DEBUG
 #define DBG(x...) \
-	printk(KERN_DEBUG DRIVER_NAME ": " x)
+	pr_debug(DRIVER_NAME ": " x)
 #define DBGF(f, x...) \
-	printk(KERN_DEBUG DRIVER_NAME " [%s()]: " f, __func__ , ##x)
-#else
-#define DBG(x...)	do { } while (0)
-#define DBGF(x...)	do { } while (0)
-#endif
+	pr_debug(DRIVER_NAME " [%s()]: " f, __func__ , ##x)
 
 /*
  * Device resources