tifm: layout fixes, small changes to comments and printfs
Cosmetic changes to the code.
Signed-off-by: Alex Dubov <oakad@yahoo.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
diff --git a/drivers/mmc/tifm_sd.c b/drivers/mmc/tifm_sd.c
index 8e69514e..f692a2e 100644
--- a/drivers/mmc/tifm_sd.c
+++ b/drivers/mmc/tifm_sd.c
@@ -7,6 +7,8 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
+ * Special thanks to Brad Campbell for extensive testing of this driver.
+ *
*/
@@ -39,6 +41,7 @@
#define TIFM_MMCSD_ERRMASK 0x01e0 /* set bits: CCRC, CTO, DCRC, DTO */
#define TIFM_MMCSD_EOC 0x0001 /* end of command phase */
+#define TIFM_MMCSD_CD 0x0002 /* card detect */
#define TIFM_MMCSD_CB 0x0004 /* card enter busy state */
#define TIFM_MMCSD_BRS 0x0008 /* block received/sent */
#define TIFM_MMCSD_EOFB 0x0010 /* card exit busy state */
@@ -48,6 +51,8 @@
#define TIFM_MMCSD_CCRC 0x0100 /* command crc error */
#define TIFM_MMCSD_AF 0x0400 /* fifo almost full */
#define TIFM_MMCSD_AE 0x0800 /* fifo almost empty */
+#define TIFM_MMCSD_OCRB 0x1000 /* OCR busy */
+#define TIFM_MMCSD_CIRQ 0x2000 /* card irq (cmd40/sdio) */
#define TIFM_MMCSD_CERR 0x4000 /* card status error */
#define TIFM_MMCSD_ODTO 0x0040 /* open drain / extended timeout */
@@ -83,16 +88,16 @@
};
struct tifm_sd {
- struct tifm_dev *dev;
+ struct tifm_dev *dev;
- unsigned short eject:1,
- open_drain:1,
- no_dma:1;
- unsigned short cmd_flags;
+ unsigned short eject:1,
+ open_drain:1,
+ no_dma:1;
+ unsigned short cmd_flags;
- unsigned int clk_freq;
- unsigned int clk_div;
- unsigned long timeout_jiffies;
+ unsigned int clk_freq;
+ unsigned int clk_div;
+ unsigned long timeout_jiffies;
struct tasklet_struct finish_tasklet;
struct timer_list timer;
@@ -627,7 +632,8 @@
}
if (host->req) {
- printk(KERN_ERR DRIVER_NAME ": unfinished request detected\n");
+ printk(KERN_ERR "%s : unfinished request detected\n",
+ sock->dev.bus_id);
spin_unlock_irqrestore(&sock->lock, flags);
goto err_out;
}
@@ -737,7 +743,8 @@
host->req = NULL;
if (!mrq) {
- printk(KERN_ERR DRIVER_NAME ": no request to complete?\n");
+ printk(KERN_ERR " %s : no request to complete?\n",
+ sock->dev.bus_id);
spin_unlock_irqrestore(&sock->lock, flags);
return;
}
@@ -775,8 +782,10 @@
{
struct tifm_sd *host = (struct tifm_sd*)data;
- printk(KERN_ERR DRIVER_NAME
- ": card failed to respond for a long period of time\n");
+ printk(KERN_ERR
+ "%s : card failed to respond for a long period of time "
+ "(%x, %x)\n",
+ host->dev->dev.bus_id, host->req->cmd->opcode, host->cmd_flags);
tifm_eject(host->dev);
}
@@ -790,8 +799,11 @@
spin_lock_irqsave(&sock->lock, flags);
- dev_dbg(&sock->dev, "Setting bus width %d, power %d\n", ios->bus_width,
- ios->power_mode);
+ dev_dbg(&sock->dev, "ios: clock = %u, vdd = %x, bus_mode = %x, "
+ "chip_select = %x, power_mode = %x, bus_width = %x\n",
+ ios->clock, ios->vdd, ios->bus_mode, ios->chip_select,
+ ios->power_mode, ios->bus_width);
+
if (ios->bus_width == MMC_BUS_WIDTH_4) {
writel(TIFM_MMCSD_4BBUS | readl(sock->addr + SOCK_MMCSD_CONFIG),
sock->addr + SOCK_MMCSD_CONFIG);
@@ -937,7 +949,8 @@
if (!(TIFM_SOCK_STATE_OCCUPIED
& readl(sock->addr + SOCK_PRESENT_STATE))) {
- printk(KERN_WARNING DRIVER_NAME ": card gone, unexpectedly\n");
+ printk(KERN_WARNING "%s : card gone, unexpectedly\n",
+ sock->dev.bus_id);
return rc;
}
@@ -974,11 +987,9 @@
if (!rc)
rc = mmc_add_host(mmc);
- if (rc)
- goto out_free_mmc;
+ if (!rc)
+ return 0;
- return 0;
-out_free_mmc:
mmc_free_host(mmc);
return rc;
}