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Date: Thu, 21 Jan 2010 20:52:32 -0800
From: Joe Perches <joe@...ches.com>
To: linux-kernel@...r.kernel.org
Cc: Marcin Slusarz <marcin.slusarz@...il.com>,
Stephen Hemminger <shemminger@...tta.com>,
Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH 02/24] drivers/block/floppy.c: #define space and column neatening
Signed-off-by: Joe Perches <joe@...ches.com>
---
drivers/block/floppy.c | 180 ++++++++++++++++++++++++++----------------------
1 files changed, 97 insertions(+), 83 deletions(-)
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index a62f211..be4bfe0 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -150,7 +150,7 @@
#define REALLY_SLOW_IO
#define DEBUGT 2
-#define DCL_DEBUG /* debug disk change line */
+#define DCL_DEBUG /* debug disk change line */
/* do print messages for unexpected interrupts */
static int print_unex = 1;
@@ -250,7 +250,7 @@ static int irqdma_allocated;
static struct request *current_req;
static struct request_queue *floppy_queue;
-static void do_fd_request(struct request_queue * q);
+static void do_fd_request(struct request_queue *q);
#ifndef fd_get_dma_residue
#define fd_get_dma_residue() get_dma_residue(FLOPPY_DMA)
@@ -263,7 +263,7 @@ static void do_fd_request(struct request_queue * q);
#endif
#ifndef fd_dma_mem_alloc
-#define fd_dma_mem_alloc(size) __get_dma_pages(GFP_KERNEL,get_order(size))
+#define fd_dma_mem_alloc(size) __get_dma_pages(GFP_KERNEL, get_order(size))
#endif
static inline void fallback_on_nodma_alloc(char **addr, size_t l)
@@ -285,57 +285,59 @@ static inline void fallback_on_nodma_alloc(char **addr, size_t l)
static unsigned long fake_change;
static int initialising = 1;
-#define ITYPE(x) (((x)>>2) & 0x1f)
-#define TOMINOR(x) ((x & 3) | ((x & 4) << 5))
-#define UNIT(x) ((x) & 0x03) /* drive on fdc */
-#define FDC(x) (((x) & 0x04) >> 2) /* fdc of drive */
+#define ITYPE(x) (((x) >> 2) & 0x1f)
+#define TOMINOR(x) ((x & 3) | ((x & 4) << 5))
+#define UNIT(x) ((x) & 0x03) /* drive on fdc */
+#define FDC(x) (((x) & 0x04) >> 2) /* fdc of drive */
/* reverse mapping from unit and fdc to drive */
#define REVDRIVE(fdc, unit) ((unit) + ((fdc) << 2))
-#define DP (&drive_params[current_drive])
-#define DRS (&drive_state[current_drive])
-#define DRWE (&write_errors[current_drive])
-#define FDCS (&fdc_state[fdc])
-#define CLEARF(x) clear_bit(x##_BIT, &DRS->flags)
-#define SETF(x) set_bit(x##_BIT, &DRS->flags)
-#define TESTF(x) test_bit(x##_BIT, &DRS->flags)
-#define UDP (&drive_params[drive])
-#define UDRS (&drive_state[drive])
-#define UDRWE (&write_errors[drive])
-#define UFDCS (&fdc_state[FDC(drive)])
-#define UCLEARF(x) clear_bit(x##_BIT, &UDRS->flags)
-#define USETF(x) set_bit(x##_BIT, &UDRS->flags)
-#define UTESTF(x) test_bit(x##_BIT, &UDRS->flags)
+#define DP (&drive_params[current_drive])
+#define DRS (&drive_state[current_drive])
+#define DRWE (&write_errors[current_drive])
+#define FDCS (&fdc_state[fdc])
+#define CLEARF(x) clear_bit(x##_BIT, &DRS->flags)
+#define SETF(x) set_bit(x##_BIT, &DRS->flags)
+#define TESTF(x) test_bit(x##_BIT, &DRS->flags)
-#define DPRINT(format, args...) printk(DEVICE_NAME "%d: " format, current_drive , ## args)
+#define UDP (&drive_params[drive])
+#define UDRS (&drive_state[drive])
+#define UDRWE (&write_errors[drive])
+#define UFDCS (&fdc_state[FDC(drive)])
+#define UCLEARF(x) clear_bit(x##_BIT, &UDRS->flags)
+#define USETF(x) set_bit(x##_BIT, &UDRS->flags)
+#define UTESTF(x) test_bit(x##_BIT, &UDRS->flags)
-#define PH_HEAD(floppy,head) (((((floppy)->stretch & 2) >>1) ^ head) << 2)
-#define STRETCH(floppy) ((floppy)->stretch & FD_STRETCH)
+#define DPRINT(format, args...) \
+ printk(DEVICE_NAME "%d: " format, current_drive, ##args)
-#define CLEARSTRUCT(x) memset((x), 0, sizeof(*(x)))
+#define PH_HEAD(floppy, head) (((((floppy)->stretch & 2) >> 1) ^ head) << 2)
+#define STRETCH(floppy) ((floppy)->stretch & FD_STRETCH)
+
+#define CLEARSTRUCT(x) memset((x), 0, sizeof(*(x)))
/* read/write */
-#define COMMAND raw_cmd->cmd[0]
-#define DR_SELECT raw_cmd->cmd[1]
-#define TRACK raw_cmd->cmd[2]
-#define HEAD raw_cmd->cmd[3]
-#define SECTOR raw_cmd->cmd[4]
-#define SIZECODE raw_cmd->cmd[5]
-#define SECT_PER_TRACK raw_cmd->cmd[6]
-#define GAP raw_cmd->cmd[7]
-#define SIZECODE2 raw_cmd->cmd[8]
+#define COMMAND (raw_cmd->cmd[0])
+#define DR_SELECT (raw_cmd->cmd[1])
+#define TRACK (raw_cmd->cmd[2])
+#define HEAD (raw_cmd->cmd[3])
+#define SECTOR (raw_cmd->cmd[4])
+#define SIZECODE (raw_cmd->cmd[5])
+#define SECT_PER_TRACK (raw_cmd->cmd[6])
+#define GAP (raw_cmd->cmd[7])
+#define SIZECODE2 (raw_cmd->cmd[8])
#define NR_RW 9
/* format */
-#define F_SIZECODE raw_cmd->cmd[2]
-#define F_SECT_PER_TRACK raw_cmd->cmd[3]
-#define F_GAP raw_cmd->cmd[4]
-#define F_FILL raw_cmd->cmd[5]
+#define F_SIZECODE (raw_cmd->cmd[2])
+#define F_SECT_PER_TRACK (raw_cmd->cmd[3])
+#define F_GAP (raw_cmd->cmd[4])
+#define F_FILL (raw_cmd->cmd[5])
#define NR_F 6
/*
- * Maximum disk size (in kilobytes). This default is used whenever the
- * current disk size is unknown.
+ * Maximum disk size (in kilobytes).
+ * This default is used whenever the current disk size is unknown.
* [Now it is rather a minimum]
*/
#define MAX_DISK_SIZE 4 /* 3984 */
@@ -346,15 +348,16 @@ static int initialising = 1;
#define MAX_REPLIES 16
static unsigned char reply_buffer[MAX_REPLIES];
static int inr; /* size of reply buffer, when called from interrupt */
-#define ST0 (reply_buffer[0])
-#define ST1 (reply_buffer[1])
-#define ST2 (reply_buffer[2])
-#define ST3 (reply_buffer[0]) /* result of GETSTATUS */
-#define R_TRACK (reply_buffer[3])
-#define R_HEAD (reply_buffer[4])
-#define R_SECTOR (reply_buffer[5])
-#define R_SIZECODE (reply_buffer[6])
-#define SEL_DLY (2*HZ/100)
+#define ST0 (reply_buffer[0])
+#define ST1 (reply_buffer[1])
+#define ST2 (reply_buffer[2])
+#define ST3 (reply_buffer[0]) /* result of GETSTATUS */
+#define R_TRACK (reply_buffer[3])
+#define R_HEAD (reply_buffer[4])
+#define R_SECTOR (reply_buffer[5])
+#define R_SIZECODE (reply_buffer[6])
+
+#define SEL_DLY (2 * HZ / 100)
/*
* this struct defines the different floppy drive types.
@@ -505,9 +508,9 @@ static char floppy_device_name[] = "floppy";
static int probing;
/* Synchronization of FDC access. */
-#define FD_COMMAND_NONE -1
-#define FD_COMMAND_ERROR 2
-#define FD_COMMAND_OKAY 3
+#define FD_COMMAND_NONE -1
+#define FD_COMMAND_ERROR 2
+#define FD_COMMAND_OKAY 3
static volatile int command_status = FD_COMMAND_NONE;
static unsigned long fdc_busy;
@@ -515,11 +518,11 @@ static DECLARE_WAIT_QUEUE_HEAD(fdc_wait);
static DECLARE_WAIT_QUEUE_HEAD(command_done);
#define NO_SIGNAL (!interruptible || !signal_pending(current))
-#define CALL(x) if ((x) == -EINTR) return -EINTR
-#define ECALL(x) if ((ret = (x))) return ret;
-#define _WAIT(x,i) CALL(ret=wait_til_done((x),i))
-#define WAIT(x) _WAIT((x),interruptible)
-#define IWAIT(x) _WAIT((x),1)
+#define CALL(x) if ((x) == -EINTR) return -EINTR
+#define ECALL(x) if ((ret = (x))) return ret;
+#define _WAIT(x,i) CALL(ret=wait_til_done((x),i))
+#define WAIT(x) _WAIT((x),interruptible)
+#define IWAIT(x) _WAIT((x),1)
/* Errors during formatting are counted here. */
static int format_errors;
@@ -545,8 +548,9 @@ static int max_buffer_sectors;
static int *errors;
typedef void (*done_f)(int);
static struct cont_t {
- void (*interrupt)(void); /* this is called after the interrupt of the
- * main command */
+ void (*interrupt)(void);
+ /* this is called after the interrupt of the
+ * main command */
void (*redo)(void); /* this is called to retry the operation */
void (*error)(void); /* this is called to tally an error */
done_f done; /* this is called to say if the operation has
@@ -579,9 +583,9 @@ static void reset_fdc(void);
* information to interrupts. They are the data used for the current
* request.
*/
-#define NO_TRACK -1
-#define NEED_1_RECAL -2
-#define NEED_2_RECAL -3
+#define NO_TRACK -1
+#define NEED_1_RECAL -2
+#define NEED_2_RECAL -3
static int usage_count;
@@ -647,13 +651,13 @@ static void is_alive(const char *message)
}
#endif
-static void (*do_floppy) (void) = NULL;
+static void (*do_floppy)(void) = NULL;
#ifdef FLOPPY_SANITY_CHECK
#define OLOGSIZE 20
-static void (*lasthandler) (void);
+static void (*lasthandler)(void);
static unsigned long interruptjiffies;
static unsigned long resultjiffies;
static int resultsize;
@@ -699,8 +703,8 @@ static void reschedule_timeout(int drive, const char *message, int marg)
spin_unlock_irqrestore(&floppy_lock, flags);
}
-#define INFBOUND(a,b) (a)=max_t(int, a, b)
-#define SUPBOUND(a,b) (a)=min_t(int, a, b)
+#define INFBOUND(a, b) (a) = max_t(int, a, b)
+#define SUPBOUND(a, b) (a) = min_t(int, a, b)
/*
* Bottom half floppy driver.
@@ -909,10 +913,12 @@ static int _lock_fdc(int drive, int interruptible, int line)
return 0;
}
-#define lock_fdc(drive,interruptible) _lock_fdc(drive,interruptible, __LINE__)
+#define lock_fdc(drive, interruptible) \
+ _lock_fdc(drive, interruptible, __LINE__)
-#define LOCK_FDC(drive,interruptible) \
-if (lock_fdc(drive,interruptible)) return -EINTR;
+#define LOCK_FDC(drive, interruptible) \
+ if (lock_fdc(drive, interruptible)) \
+ return -EINTR;
/* unlocks the driver */
static inline void unlock_fdc(void)
@@ -1003,7 +1009,7 @@ static void empty(void)
static DECLARE_WORK(floppy_work, NULL);
-static void schedule_bh(void (*handler) (void))
+static void schedule_bh(void (*handler)(void))
{
PREPARE_WORK(&floppy_work, (work_func_t)handler);
schedule_work(&floppy_work);
@@ -2181,8 +2187,9 @@ static void format_interrupt(void)
}
#define CODE2SIZE (ssize = ((1 << SIZECODE) + 3) >> 2)
-#define FM_MODE(x,y) ((y) & ~(((x)->rate & 0x80) >>1))
+#define FM_MODE(x, y) ((y) & ~(((x)->rate & 0x80) >> 1))
#define CT(x) ((x) | 0xc0)
+
static void setup_format_params(int track)
{
int n;
@@ -2197,8 +2204,8 @@ static void setup_format_params(int track)
raw_cmd = &default_raw_cmd;
raw_cmd->track = track;
- raw_cmd->flags = FD_RAW_WRITE | FD_RAW_INTR | FD_RAW_SPIN |
- FD_RAW_NEED_DISK | FD_RAW_NEED_SEEK;
+ raw_cmd->flags = (FD_RAW_WRITE | FD_RAW_INTR | FD_RAW_SPIN |
+ FD_RAW_NEED_DISK | FD_RAW_NEED_SEEK);
raw_cmd->rate = _floppy->rate & 0x43;
raw_cmd->cmd_count = NR_F;
COMMAND = FM_MODE(_floppy, FD_FORMAT);
@@ -2600,8 +2607,9 @@ static void virtualdmabug_workaround(void)
return;
}
#endif
- SECT_PER_TRACK = end_sector; /* make sure SECT_PER_TRACK points
- * to end of transfer */
+ SECT_PER_TRACK = end_sector;
+ /* make sure SECT_PER_TRACK
+ * points to end of transfer */
}
}
@@ -3075,16 +3083,19 @@ static inline int fd_copyout(void __user *param, const void *address,
return copy_to_user(param, address, size) ? -EFAULT : 0;
}
-static inline int fd_copyin(void __user *param, void *address, unsigned long size)
+static inline int fd_copyin(void __user *param, void *address,
+ unsigned long size)
{
return copy_from_user(address, param, size) ? -EFAULT : 0;
}
-#define _COPYOUT(x) (copy_to_user((void __user *)param, &(x), sizeof(x)) ? -EFAULT : 0)
-#define _COPYIN(x) (copy_from_user(&(x), (void __user *)param, sizeof(x)) ? -EFAULT : 0)
+#define _COPYOUT(x) (copy_to_user((void __user *)param, &(x), sizeof(x)) \
+ ? -EFAULT : 0)
+#define _COPYIN(x) (copy_from_user(&(x), (void __user *)param, sizeof(x)) \
+ ? -EFAULT : 0)
-#define COPYOUT(x) ECALL(_COPYOUT(x))
-#define COPYIN(x) ECALL(_COPYIN(x))
+#define COPYOUT(x) ECALL(_COPYOUT(x))
+#define COPYIN(x) ECALL(_COPYIN(x))
static inline const char *drive_name(int type, int drive)
{
@@ -4148,7 +4159,8 @@ static ssize_t floppy_cmos_show(struct device *dev,
drive = p->id;
return sprintf(buf, "%X\n", UDP->cmos);
}
-DEVICE_ATTR(cmos,S_IRUGO,floppy_cmos_show,NULL);
+
+DEVICE_ATTR(cmos, S_IRUGO, floppy_cmos_show, NULL);
static void floppy_device_release(struct device *dev)
{
@@ -4625,6 +4637,7 @@ static void __exit floppy_module_exit(void)
/* eject disk, if any */
fd_eject(0);
}
+
module_exit(floppy_module_exit);
module_param(floppy, charp, 0);
@@ -4636,9 +4649,10 @@ MODULE_LICENSE("GPL");
/* This doesn't actually get used other than for module information */
static const struct pnp_device_id floppy_pnpids[] = {
- { "PNP0700", 0 },
- { }
+ {"PNP0700", 0},
+ {}
};
+
MODULE_DEVICE_TABLE(pnp, floppy_pnpids);
#else
--
1.6.6.rc0.57.gad7a
--
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