mirror of https://gitee.com/openkylin/linux.git
drivers/block/floppy.c: #define space and column neatening
Signed-off-by: Joe Perches <joe@perches.com> Cc: Stephen Hemminger <shemminger@vyatta.com> Cc: Jens Axboe <jens.axboe@oracle.com> Cc: Marcin Slusarz <marcin.slusarz@gmail.com> Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joe Perches
Linus Torvalds
parent
d49375434e
commit
48c8cee61f
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@ -150,7 +150,7 @@
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#define REALLY_SLOW_IO
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#define DEBUGT 2
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#define DCL_DEBUG /* debug disk change line */
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#define DCL_DEBUG /* debug disk change line */
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/* do print messages for unexpected interrupts */
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static int print_unex = 1;
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@ -250,7 +250,7 @@ static int irqdma_allocated;
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static struct request *current_req;
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static struct request_queue *floppy_queue;
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static void do_fd_request(struct request_queue * q);
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static void do_fd_request(struct request_queue *q);
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#ifndef fd_get_dma_residue
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#define fd_get_dma_residue() get_dma_residue(FLOPPY_DMA)
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@ -263,7 +263,7 @@ static void do_fd_request(struct request_queue * q);
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#endif
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#ifndef fd_dma_mem_alloc
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#define fd_dma_mem_alloc(size) __get_dma_pages(GFP_KERNEL,get_order(size))
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#define fd_dma_mem_alloc(size) __get_dma_pages(GFP_KERNEL, get_order(size))
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#endif
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static inline void fallback_on_nodma_alloc(char **addr, size_t l)
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@ -285,57 +285,59 @@ static inline void fallback_on_nodma_alloc(char **addr, size_t l)
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static unsigned long fake_change;
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static int initialising = 1;
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#define ITYPE(x) (((x)>>2) & 0x1f)
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#define TOMINOR(x) ((x & 3) | ((x & 4) << 5))
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#define UNIT(x) ((x) & 0x03) /* drive on fdc */
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#define FDC(x) (((x) & 0x04) >> 2) /* fdc of drive */
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#define ITYPE(x) (((x) >> 2) & 0x1f)
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#define TOMINOR(x) ((x & 3) | ((x & 4) << 5))
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#define UNIT(x) ((x) & 0x03) /* drive on fdc */
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#define FDC(x) (((x) & 0x04) >> 2) /* fdc of drive */
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/* reverse mapping from unit and fdc to drive */
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#define REVDRIVE(fdc, unit) ((unit) + ((fdc) << 2))
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#define DP (&drive_params[current_drive])
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#define DRS (&drive_state[current_drive])
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#define DRWE (&write_errors[current_drive])
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#define FDCS (&fdc_state[fdc])
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#define CLEARF(x) clear_bit(x##_BIT, &DRS->flags)
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#define SETF(x) set_bit(x##_BIT, &DRS->flags)
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#define TESTF(x) test_bit(x##_BIT, &DRS->flags)
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#define UDP (&drive_params[drive])
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#define UDRS (&drive_state[drive])
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#define UDRWE (&write_errors[drive])
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#define UFDCS (&fdc_state[FDC(drive)])
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#define UCLEARF(x) clear_bit(x##_BIT, &UDRS->flags)
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#define USETF(x) set_bit(x##_BIT, &UDRS->flags)
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#define UTESTF(x) test_bit(x##_BIT, &UDRS->flags)
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#define DP (&drive_params[current_drive])
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#define DRS (&drive_state[current_drive])
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#define DRWE (&write_errors[current_drive])
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#define FDCS (&fdc_state[fdc])
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#define CLEARF(x) clear_bit(x##_BIT, &DRS->flags)
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#define SETF(x) set_bit(x##_BIT, &DRS->flags)
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#define TESTF(x) test_bit(x##_BIT, &DRS->flags)
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#define DPRINT(format, args...) printk(DEVICE_NAME "%d: " format, current_drive , ## args)
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#define UDP (&drive_params[drive])
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#define UDRS (&drive_state[drive])
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#define UDRWE (&write_errors[drive])
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#define UFDCS (&fdc_state[FDC(drive)])
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#define UCLEARF(x) clear_bit(x##_BIT, &UDRS->flags)
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#define USETF(x) set_bit(x##_BIT, &UDRS->flags)
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#define UTESTF(x) test_bit(x##_BIT, &UDRS->flags)
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#define PH_HEAD(floppy,head) (((((floppy)->stretch & 2) >>1) ^ head) << 2)
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#define STRETCH(floppy) ((floppy)->stretch & FD_STRETCH)
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#define DPRINT(format, args...) \
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printk(DEVICE_NAME "%d: " format, current_drive, ##args)
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#define CLEARSTRUCT(x) memset((x), 0, sizeof(*(x)))
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#define PH_HEAD(floppy, head) (((((floppy)->stretch & 2) >> 1) ^ head) << 2)
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#define STRETCH(floppy) ((floppy)->stretch & FD_STRETCH)
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#define CLEARSTRUCT(x) memset((x), 0, sizeof(*(x)))
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/* read/write */
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#define COMMAND raw_cmd->cmd[0]
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#define DR_SELECT raw_cmd->cmd[1]
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#define TRACK raw_cmd->cmd[2]
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#define HEAD raw_cmd->cmd[3]
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#define SECTOR raw_cmd->cmd[4]
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#define SIZECODE raw_cmd->cmd[5]
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#define SECT_PER_TRACK raw_cmd->cmd[6]
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#define GAP raw_cmd->cmd[7]
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#define SIZECODE2 raw_cmd->cmd[8]
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#define COMMAND (raw_cmd->cmd[0])
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#define DR_SELECT (raw_cmd->cmd[1])
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#define TRACK (raw_cmd->cmd[2])
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#define HEAD (raw_cmd->cmd[3])
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#define SECTOR (raw_cmd->cmd[4])
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#define SIZECODE (raw_cmd->cmd[5])
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#define SECT_PER_TRACK (raw_cmd->cmd[6])
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#define GAP (raw_cmd->cmd[7])
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#define SIZECODE2 (raw_cmd->cmd[8])
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#define NR_RW 9
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/* format */
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#define F_SIZECODE raw_cmd->cmd[2]
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#define F_SECT_PER_TRACK raw_cmd->cmd[3]
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#define F_GAP raw_cmd->cmd[4]
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#define F_FILL raw_cmd->cmd[5]
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#define F_SIZECODE (raw_cmd->cmd[2])
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#define F_SECT_PER_TRACK (raw_cmd->cmd[3])
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#define F_GAP (raw_cmd->cmd[4])
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#define F_FILL (raw_cmd->cmd[5])
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#define NR_F 6
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/*
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* Maximum disk size (in kilobytes). This default is used whenever the
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* current disk size is unknown.
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* Maximum disk size (in kilobytes).
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* This default is used whenever the current disk size is unknown.
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* [Now it is rather a minimum]
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*/
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#define MAX_DISK_SIZE 4 /* 3984 */
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@ -346,15 +348,16 @@ static int initialising = 1;
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#define MAX_REPLIES 16
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static unsigned char reply_buffer[MAX_REPLIES];
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static int inr; /* size of reply buffer, when called from interrupt */
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#define ST0 (reply_buffer[0])
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#define ST1 (reply_buffer[1])
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#define ST2 (reply_buffer[2])
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#define ST3 (reply_buffer[0]) /* result of GETSTATUS */
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#define R_TRACK (reply_buffer[3])
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#define R_HEAD (reply_buffer[4])
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#define R_SECTOR (reply_buffer[5])
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#define R_SIZECODE (reply_buffer[6])
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#define SEL_DLY (2*HZ/100)
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#define ST0 (reply_buffer[0])
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#define ST1 (reply_buffer[1])
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#define ST2 (reply_buffer[2])
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#define ST3 (reply_buffer[0]) /* result of GETSTATUS */
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#define R_TRACK (reply_buffer[3])
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#define R_HEAD (reply_buffer[4])
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#define R_SECTOR (reply_buffer[5])
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#define R_SIZECODE (reply_buffer[6])
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#define SEL_DLY (2 * HZ / 100)
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/*
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* this struct defines the different floppy drive types.
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@ -505,9 +508,9 @@ static char floppy_device_name[] = "floppy";
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static int probing;
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/* Synchronization of FDC access. */
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#define FD_COMMAND_NONE -1
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#define FD_COMMAND_ERROR 2
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#define FD_COMMAND_OKAY 3
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#define FD_COMMAND_NONE -1
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#define FD_COMMAND_ERROR 2
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#define FD_COMMAND_OKAY 3
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static volatile int command_status = FD_COMMAND_NONE;
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static unsigned long fdc_busy;
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@ -515,11 +518,11 @@ static DECLARE_WAIT_QUEUE_HEAD(fdc_wait);
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static DECLARE_WAIT_QUEUE_HEAD(command_done);
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#define NO_SIGNAL (!interruptible || !signal_pending(current))
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#define CALL(x) if ((x) == -EINTR) return -EINTR
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#define ECALL(x) if ((ret = (x))) return ret;
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#define _WAIT(x,i) CALL(ret=wait_til_done((x),i))
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#define WAIT(x) _WAIT((x),interruptible)
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#define IWAIT(x) _WAIT((x),1)
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#define CALL(x) if ((x) == -EINTR) return -EINTR
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#define ECALL(x) if ((ret = (x))) return ret;
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#define _WAIT(x,i) CALL(ret=wait_til_done((x),i))
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#define WAIT(x) _WAIT((x),interruptible)
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#define IWAIT(x) _WAIT((x),1)
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/* Errors during formatting are counted here. */
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static int format_errors;
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@ -545,8 +548,9 @@ static int max_buffer_sectors;
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static int *errors;
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typedef void (*done_f)(int);
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static struct cont_t {
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void (*interrupt)(void); /* this is called after the interrupt of the
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* main command */
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void (*interrupt)(void);
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/* this is called after the interrupt of the
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* main command */
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void (*redo)(void); /* this is called to retry the operation */
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void (*error)(void); /* this is called to tally an error */
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done_f done; /* this is called to say if the operation has
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@ -579,9 +583,9 @@ static void reset_fdc(void);
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* information to interrupts. They are the data used for the current
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* request.
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*/
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#define NO_TRACK -1
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#define NEED_1_RECAL -2
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#define NEED_2_RECAL -3
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#define NO_TRACK -1
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#define NEED_1_RECAL -2
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#define NEED_2_RECAL -3
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static int usage_count;
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@ -647,13 +651,13 @@ static void is_alive(const char *message)
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}
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#endif
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static void (*do_floppy) (void) = NULL;
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static void (*do_floppy)(void) = NULL;
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#ifdef FLOPPY_SANITY_CHECK
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#define OLOGSIZE 20
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static void (*lasthandler) (void);
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static void (*lasthandler)(void);
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static unsigned long interruptjiffies;
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static unsigned long resultjiffies;
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static int resultsize;
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@ -699,8 +703,8 @@ static void reschedule_timeout(int drive, const char *message, int marg)
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spin_unlock_irqrestore(&floppy_lock, flags);
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}
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#define INFBOUND(a,b) (a)=max_t(int, a, b)
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#define SUPBOUND(a,b) (a)=min_t(int, a, b)
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#define INFBOUND(a, b) (a) = max_t(int, a, b)
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#define SUPBOUND(a, b) (a) = min_t(int, a, b)
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/*
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* Bottom half floppy driver.
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@ -909,10 +913,12 @@ static int _lock_fdc(int drive, int interruptible, int line)
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return 0;
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}
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#define lock_fdc(drive,interruptible) _lock_fdc(drive,interruptible, __LINE__)
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#define lock_fdc(drive, interruptible) \
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_lock_fdc(drive, interruptible, __LINE__)
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#define LOCK_FDC(drive,interruptible) \
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if (lock_fdc(drive,interruptible)) return -EINTR;
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#define LOCK_FDC(drive, interruptible) \
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if (lock_fdc(drive, interruptible)) \
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return -EINTR;
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/* unlocks the driver */
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static inline void unlock_fdc(void)
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@ -1003,7 +1009,7 @@ static void empty(void)
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static DECLARE_WORK(floppy_work, NULL);
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static void schedule_bh(void (*handler) (void))
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static void schedule_bh(void (*handler)(void))
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{
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PREPARE_WORK(&floppy_work, (work_func_t)handler);
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schedule_work(&floppy_work);
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@ -2181,8 +2187,9 @@ static void format_interrupt(void)
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}
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#define CODE2SIZE (ssize = ((1 << SIZECODE) + 3) >> 2)
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#define FM_MODE(x,y) ((y) & ~(((x)->rate & 0x80) >>1))
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#define FM_MODE(x, y) ((y) & ~(((x)->rate & 0x80) >> 1))
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#define CT(x) ((x) | 0xc0)
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static void setup_format_params(int track)
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{
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int n;
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@ -2197,8 +2204,8 @@ static void setup_format_params(int track)
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raw_cmd = &default_raw_cmd;
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raw_cmd->track = track;
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raw_cmd->flags = FD_RAW_WRITE | FD_RAW_INTR | FD_RAW_SPIN |
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FD_RAW_NEED_DISK | FD_RAW_NEED_SEEK;
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raw_cmd->flags = (FD_RAW_WRITE | FD_RAW_INTR | FD_RAW_SPIN |
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FD_RAW_NEED_DISK | FD_RAW_NEED_SEEK);
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raw_cmd->rate = _floppy->rate & 0x43;
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raw_cmd->cmd_count = NR_F;
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COMMAND = FM_MODE(_floppy, FD_FORMAT);
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@ -2600,8 +2607,9 @@ static void virtualdmabug_workaround(void)
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return;
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}
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#endif
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SECT_PER_TRACK = end_sector; /* make sure SECT_PER_TRACK points
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* to end of transfer */
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SECT_PER_TRACK = end_sector;
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/* make sure SECT_PER_TRACK
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* points to end of transfer */
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}
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}
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@ -3075,16 +3083,19 @@ static inline int fd_copyout(void __user *param, const void *address,
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return copy_to_user(param, address, size) ? -EFAULT : 0;
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}
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static inline int fd_copyin(void __user *param, void *address, unsigned long size)
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static inline int fd_copyin(void __user *param, void *address,
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unsigned long size)
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{
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return copy_from_user(address, param, size) ? -EFAULT : 0;
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}
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#define _COPYOUT(x) (copy_to_user((void __user *)param, &(x), sizeof(x)) ? -EFAULT : 0)
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#define _COPYIN(x) (copy_from_user(&(x), (void __user *)param, sizeof(x)) ? -EFAULT : 0)
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#define _COPYOUT(x) (copy_to_user((void __user *)param, &(x), sizeof(x)) \
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? -EFAULT : 0)
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#define _COPYIN(x) (copy_from_user(&(x), (void __user *)param, sizeof(x)) \
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? -EFAULT : 0)
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#define COPYOUT(x) ECALL(_COPYOUT(x))
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#define COPYIN(x) ECALL(_COPYIN(x))
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#define COPYOUT(x) ECALL(_COPYOUT(x))
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#define COPYIN(x) ECALL(_COPYIN(x))
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static inline const char *drive_name(int type, int drive)
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{
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@ -4148,7 +4159,8 @@ static ssize_t floppy_cmos_show(struct device *dev,
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drive = p->id;
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return sprintf(buf, "%X\n", UDP->cmos);
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}
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DEVICE_ATTR(cmos,S_IRUGO,floppy_cmos_show,NULL);
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DEVICE_ATTR(cmos, S_IRUGO, floppy_cmos_show, NULL);
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static void floppy_device_release(struct device *dev)
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{
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@ -4625,6 +4637,7 @@ static void __exit floppy_module_exit(void)
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/* eject disk, if any */
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fd_eject(0);
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}
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module_exit(floppy_module_exit);
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module_param(floppy, charp, 0);
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@ -4636,9 +4649,10 @@ MODULE_LICENSE("GPL");
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/* This doesn't actually get used other than for module information */
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static const struct pnp_device_id floppy_pnpids[] = {
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{ "PNP0700", 0 },
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{ }
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{"PNP0700", 0},
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{}
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};
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MODULE_DEVICE_TABLE(pnp, floppy_pnpids);
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#else
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