Commit 4358a844 authored by Jens Axboe's avatar Jens Axboe
Browse files

Merge branch 'for-4.15/timer' into for-linus 

Post initial pull timer related changes for block drivers. Not merged
with the first pull, since they were dependent on this commit in
mainline:

commit 686fef92
Author: Kees Cook <keescook@chromium.org>
Date:   Thu Sep 28 06:38:17 2017 -0700

    timer: Prepare to change timer callback argument type
parents a33801e8 8376d3c1

drivers/block/amiflop.c

+26 −31
Original line number Diff line number Diff line
@@ -146,6 +146,7 @@ static struct amiga_floppy_struct unit[FD_MAX_UNITS]; 


static struct timer_list flush_track_timer[FD_MAX_UNITS];

static struct timer_list post_write_timer;

static unsigned long post_write_timer_drive;

static struct timer_list motor_on_timer;

static struct timer_list motor_off_timer[FD_MAX_UNITS];

static int on_attempts;
@@ -323,7 +324,7 @@ static void fd_deselect (int drive) 


}



static void motor_on_callback(unsigned long ignored)

static void motor_on_callback(struct timer_list *unused)

{

	if (!(ciaa.pra & DSKRDY) || --on_attempts == 0) {

		complete_all(&motor_on_completion);
@@ -355,7 +356,7 @@ static int fd_motor_on(int nr) 
		on_attempts = -1;

#if 0

		printk (KERN_ERR "motor_on failed, turning motor off\n");

		fd_motor_off (nr);

		fd_motor_off (motor_off_timer + nr);

		return 0;

#else

		printk (KERN_WARNING "DSKRDY not set after 1.5 seconds - assuming drive is spinning notwithstanding\n");
@@ -365,20 +366,17 @@ static int fd_motor_on(int nr) 
	return 1;

}



static void fd_motor_off(unsigned long drive)

static void fd_motor_off(struct timer_list *timer)

{

	long calledfromint;

#ifdef MODULE

	long decusecount;

	unsigned long drive = ((unsigned long)timer -

			       (unsigned long)&motor_off_timer[0]) /

					sizeof(motor_off_timer[0]);



	decusecount = drive & 0x40000000;

#endif

	calledfromint = drive & 0x80000000;

	drive&=3;

	if (calledfromint && !try_fdc(drive)) {

	if (!try_fdc(drive)) {

		/* We would be blocked in an interrupt, so try again later */

		motor_off_timer[drive].expires = jiffies + 1;

		add_timer(motor_off_timer + drive);

		timer->expires = jiffies + 1;

		add_timer(timer);

		return;

	}

	unit[drive].motor = 0;
@@ -392,8 +390,6 @@ static void floppy_off (unsigned int nr) 
	int drive;



	drive = nr & 3;

	/* called this way it is always from interrupt */

	motor_off_timer[drive].data = nr | 0x80000000;

	mod_timer(motor_off_timer + drive, jiffies + 3*HZ);

}
@@ -435,7 +431,7 @@ static int fd_calibrate(int drive) 
			break;

		if (--n == 0) {

			printk (KERN_ERR "fd%d: calibrate failed, turning motor off\n", drive);

			fd_motor_off (drive);

			fd_motor_off (motor_off_timer + drive);

			unit[drive].track = -1;

			rel_fdc();

			return 0;
@@ -564,7 +560,7 @@ static irqreturn_t fd_block_done(int irq, void *dummy) 
	if (block_flag == 2) { /* writing */

		writepending = 2;

		post_write_timer.expires = jiffies + 1; /* at least 2 ms */

		post_write_timer.data = selected;

		post_write_timer_drive = selected;

		add_timer(&post_write_timer);

	}

	else {                /* reading */
@@ -651,6 +647,10 @@ static void post_write (unsigned long drive) 
	rel_fdc(); /* corresponds to get_fdc() in raw_write */

}



static void post_write_callback(struct timer_list *timer)

{

	post_write(post_write_timer_drive);

}



/*

 * The following functions are to convert the block contents into raw data
@@ -1244,8 +1244,12 @@ static void dos_write(int disk) 
/* FIXME: this assumes the drive is still spinning -

 * which is only true if we complete writing a track within three seconds

 */

static void flush_track_callback(unsigned long nr)

static void flush_track_callback(struct timer_list *timer)

{

	unsigned long nr = ((unsigned long)timer -

			       (unsigned long)&flush_track_timer[0]) /

					sizeof(flush_track_timer[0]);



	nr&=3;

	writefromint = 1;

	if (!try_fdc(nr)) {
@@ -1649,8 +1653,7 @@ static void floppy_release(struct gendisk *disk, fmode_t mode) 
		fd_ref[drive] = 0;

	}

#ifdef MODULE

/* the mod_use counter is handled this way */

	floppy_off (drive | 0x40000000);

	floppy_off (drive);

#endif

	mutex_unlock(&amiflop_mutex);

}
@@ -1791,27 +1794,19 @@ static int __init amiga_floppy_probe(struct platform_device *pdev) 
				floppy_find, NULL, NULL);



	/* initialize variables */

	init_timer(&motor_on_timer);

	timer_setup(&motor_on_timer, motor_on_callback, 0);

	motor_on_timer.expires = 0;

	motor_on_timer.data = 0;

	motor_on_timer.function = motor_on_callback;

	for (i = 0; i < FD_MAX_UNITS; i++) {

		init_timer(&motor_off_timer[i]);

		timer_setup(&motor_off_timer[i], fd_motor_off, 0);

		motor_off_timer[i].expires = 0;

		motor_off_timer[i].data = i|0x80000000;

		motor_off_timer[i].function = fd_motor_off;

		init_timer(&flush_track_timer[i]);

		timer_setup(&flush_track_timer[i], flush_track_callback, 0);

		flush_track_timer[i].expires = 0;

		flush_track_timer[i].data = i;

		flush_track_timer[i].function = flush_track_callback;



		unit[i].track = -1;

	}



	init_timer(&post_write_timer);

	timer_setup(&post_write_timer, post_write_callback, 0);

	post_write_timer.expires = 0;

	post_write_timer.data = 0;

	post_write_timer.function = post_write;

  

	for (i = 0; i < 128; i++)

		mfmdecode[i]=255;

drivers/block/aoe/aoecmd.c

+3 −3
Original line number Diff line number Diff line
@@ -744,7 +744,7 @@ count_targets(struct aoedev *d, int *untainted) 
}



static void

rexmit_timer(ulong vp)

rexmit_timer(struct timer_list *timer)

{

	struct aoedev *d;

	struct aoetgt *t;
@@ -758,7 +758,7 @@ rexmit_timer(ulong vp) 
	int utgts;	/* number of aoetgt descriptors (not slots) */

	int since;



	d = (struct aoedev *) vp;

	d = from_timer(d, timer, timer);



	spin_lock_irqsave(&d->lock, flags);
@@ -1429,7 +1429,7 @@ aoecmd_ata_id(struct aoedev *d) 


	d->rttavg = RTTAVG_INIT;

	d->rttdev = RTTDEV_INIT;

	d->timer.function = rexmit_timer;

	d->timer.function = (TIMER_FUNC_TYPE)rexmit_timer;



	skb = skb_clone(skb, GFP_ATOMIC);

	if (skb) {

drivers/block/aoe/aoedev.c

+3 −6
Original line number Diff line number Diff line
@@ -15,7 +15,6 @@ 
#include <linux/string.h>

#include "aoe.h"



static void dummy_timer(ulong);

static void freetgt(struct aoedev *d, struct aoetgt *t);

static void skbpoolfree(struct aoedev *d);
@@ -146,11 +145,11 @@ aoedev_put(struct aoedev *d) 
}



static void

dummy_timer(ulong vp)

dummy_timer(struct timer_list *t)

{

	struct aoedev *d;



	d = (struct aoedev *)vp;

	d = from_timer(d, t, timer);

	if (d->flags & DEVFL_TKILL)

		return;

	d->timer.expires = jiffies + HZ;
@@ -466,9 +465,7 @@ aoedev_by_aoeaddr(ulong maj, int min, int do_alloc) 
	INIT_WORK(&d->work, aoecmd_sleepwork);

	spin_lock_init(&d->lock);

	skb_queue_head_init(&d->skbpool);

	init_timer(&d->timer);

	d->timer.data = (ulong) d;

	d->timer.function = dummy_timer;

	timer_setup(&d->timer, dummy_timer, 0);

	d->timer.expires = jiffies + HZ;

	add_timer(&d->timer);

	d->bufpool = NULL;	/* defer to aoeblk_gdalloc */

drivers/block/floppy.c

+7 −3
Original line number Diff line number Diff line
@@ -903,10 +903,14 @@ static void unlock_fdc(void) 
}



/* switches the motor off after a given timeout */

static void motor_off_callback(unsigned long nr)

static void motor_off_callback(struct timer_list *t)

{

	unsigned long nr = t - motor_off_timer;

	unsigned char mask = ~(0x10 << UNIT(nr));



	if (WARN_ON_ONCE(nr >= N_DRIVE))

		return;



	set_dor(FDC(nr), mask, 0);

}
@@ -3047,7 +3051,7 @@ static void raw_cmd_done(int flag) 
		else

			raw_cmd->flags &= ~FD_RAW_DISK_CHANGE;

		if (raw_cmd->flags & FD_RAW_NO_MOTOR_AFTER)

			motor_off_callback(current_drive);

			motor_off_callback(&motor_off_timer[current_drive]);



		if (raw_cmd->next &&

		    (!(raw_cmd->flags & FD_RAW_FAILURE) ||
@@ -4542,7 +4546,7 @@ static int __init do_floppy_init(void) 
		disks[drive]->fops = &floppy_fops;

		sprintf(disks[drive]->disk_name, "fd%d", drive);



		setup_timer(&motor_off_timer[drive], motor_off_callback, drive);

		timer_setup(&motor_off_timer[drive], motor_off_callback, 0);

	}



	err = register_blkdev(FLOPPY_MAJOR, "fd");

drivers/block/swim3.c

+15 −16
Original line number Diff line number Diff line
@@ -239,10 +239,10 @@ static unsigned short write_postamble[] = { 
static void seek_track(struct floppy_state *fs, int n);

static void init_dma(struct dbdma_cmd *cp, int cmd, void *buf, int count);

static void act(struct floppy_state *fs);

static void scan_timeout(unsigned long data);

static void seek_timeout(unsigned long data);

static void settle_timeout(unsigned long data);

static void xfer_timeout(unsigned long data);

static void scan_timeout(struct timer_list *t);

static void seek_timeout(struct timer_list *t);

static void settle_timeout(struct timer_list *t);

static void xfer_timeout(struct timer_list *t);

static irqreturn_t swim3_interrupt(int irq, void *dev_id);

/*static void fd_dma_interrupt(int irq, void *dev_id);*/

static int grab_drive(struct floppy_state *fs, enum swim_state state,
@@ -392,13 +392,12 @@ static void do_fd_request(struct request_queue * q) 
}



static void set_timeout(struct floppy_state *fs, int nticks,

			void (*proc)(unsigned long))

			void (*proc)(struct timer_list *t))

{

	if (fs->timeout_pending)

		del_timer(&fs->timeout);

	fs->timeout.expires = jiffies + nticks;

	fs->timeout.function = proc;

	fs->timeout.data = (unsigned long) fs;

	fs->timeout.function = (TIMER_FUNC_TYPE)proc;

	add_timer(&fs->timeout);

	fs->timeout_pending = 1;

}
@@ -569,9 +568,9 @@ static void act(struct floppy_state *fs) 
	}

}



static void scan_timeout(unsigned long data)

static void scan_timeout(struct timer_list *t)

{

	struct floppy_state *fs = (struct floppy_state *) data;

	struct floppy_state *fs = from_timer(fs, t, timeout);

	struct swim3 __iomem *sw = fs->swim3;

	unsigned long flags;
@@ -594,9 +593,9 @@ static void scan_timeout(unsigned long data) 
	spin_unlock_irqrestore(&swim3_lock, flags);

}



static void seek_timeout(unsigned long data)

static void seek_timeout(struct timer_list *t)

{

	struct floppy_state *fs = (struct floppy_state *) data;

	struct floppy_state *fs = from_timer(fs, t, timeout);

	struct swim3 __iomem *sw = fs->swim3;

	unsigned long flags;
@@ -614,9 +613,9 @@ static void seek_timeout(unsigned long data) 
	spin_unlock_irqrestore(&swim3_lock, flags);

}



static void settle_timeout(unsigned long data)

static void settle_timeout(struct timer_list *t)

{

	struct floppy_state *fs = (struct floppy_state *) data;

	struct floppy_state *fs = from_timer(fs, t, timeout);

	struct swim3 __iomem *sw = fs->swim3;

	unsigned long flags;
@@ -644,9 +643,9 @@ static void settle_timeout(unsigned long data) 
	spin_unlock_irqrestore(&swim3_lock, flags);

}



static void xfer_timeout(unsigned long data)

static void xfer_timeout(struct timer_list *t)

{

	struct floppy_state *fs = (struct floppy_state *) data;

	struct floppy_state *fs = from_timer(fs, t, timeout);

	struct swim3 __iomem *sw = fs->swim3;

	struct dbdma_regs __iomem *dr = fs->dma;

	unsigned long flags;
@@ -1182,7 +1181,7 @@ static int swim3_add_device(struct macio_dev *mdev, int index) 
		return -EBUSY;

	}



	init_timer(&fs->timeout);

	timer_setup(&fs->timeout, NULL, 0);



	swim3_info("SWIM3 floppy controller %s\n",

		mdev->media_bay ? "in media bay" : "");

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