[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 <rmk+kernel@arm.linux.org.uk>

8 files changed, 32 insertions, 58 deletions

diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile
index 0b0920ae46b7..c7c34aadfc92 100644
--- a/drivers/mmc/Makefile
+++ b/drivers/mmc/Makefile
@@ -23,3 +23,7 @@ obj-$(CONFIG_MMC_AU1X)		+= au1xmmc.o
 obj-$(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
diff --git a/drivers/mmc/au1xmmc.c b/drivers/mmc/au1xmmc.c
index 85e89c77bdea..c0326bbc5f28 100644
--- a/drivers/mmc/au1xmmc.c
+++ b/drivers/mmc/au1xmmc.c
@@ -56,12 +56,11 @@
 #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 {
@@ -424,18 +423,18 @@ static void au1xmmc_receive_pio(struct au1xmmc_host *host)
                         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;
                 }
@@ -721,7 +720,7 @@ static void au1xmmc_set_ios(struct mmc_host* mmc, struct mmc_ios* ios)
 {
         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);
 
@@ -810,7 +809,7 @@ static irqreturn_t au1xmmc_irq(int irq, void *dev_id, struct pt_regs *regs)
                                 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;
                 }
 
@@ -839,7 +838,7 @@ static void au1xmmc_poll_event(unsigned long arg)
 
         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);
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 1888060c5e0c..da6ddd910fc5 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -27,12 +27,6 @@
 
 #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
 
 /*
@@ -77,8 +71,9 @@ void mmc_request_done(struct mmc_host *host, struct mmc_request *mrq)
 {
         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--;
@@ -102,8 +97,8 @@ EXPORT_SYMBOL(mmc_request_done);
 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);
 
@@ -976,8 +971,8 @@ static unsigned int mmc_calculate_clock(struct mmc_host *host)
                 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;
 }
diff --git a/drivers/mmc/mmci.c b/drivers/mmc/mmci.c
index 9fef29d978b5..df7e861e2fc7 100644
--- a/drivers/mmc/mmci.c
+++ b/drivers/mmc/mmci.c
@@ -33,12 +33,8 @@
 
 #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;
 
diff --git a/drivers/mmc/omap.c b/drivers/mmc/omap.c
index 49fb2ea4b7ee..becb3c68c34d 100644
--- a/drivers/mmc/omap.c
+++ b/drivers/mmc/omap.c
@@ -12,11 +12,6 @@
  */
 
 #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>
diff --git a/drivers/mmc/pxamci.c b/drivers/mmc/pxamci.c
index c32fad1ce51c..eb9a8826e9b5 100644
--- a/drivers/mmc/pxamci.c
+++ b/drivers/mmc/pxamci.c
@@ -37,12 +37,6 @@
 
 #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
@@ -206,7 +200,7 @@ static void pxamci_start_cmd(struct pxamci_host *host, struct mmc_command *cmd,
 
 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;
@@ -252,7 +246,7 @@ static int pxamci_cmd_done(struct pxamci_host *host, unsigned int stat)
                         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;
@@ -317,12 +311,12 @@ static irqreturn_t pxamci_irq(int irq, void *devid, struct pt_regs *regs)
 
         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);
@@ -376,9 +370,9 @@ static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 {
         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;
@@ -405,8 +399,8 @@ static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
                         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 = {
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index 8b811d94371c..bdbfca050029 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -31,12 +31,8 @@
 
 #define BUGMAIL "<sdhci-devel@list.drzeus.cx>"
 
-#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 */
diff --git a/drivers/mmc/wbsd.c b/drivers/mmc/wbsd.c
index 3be397d436fa..511f7b0b31d2 100644
--- a/drivers/mmc/wbsd.c
+++ b/drivers/mmc/wbsd.c
@@ -44,15 +44,10 @@
 #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