Messages in this thread Patch in this message | | | Date | Sun, 31 Jul 2005 13:10:48 +0200 | From | domen@coderock ... | Subject | [patch 1/1] drivers/block/floppy.c : Use of the time_after() and time_before() macros |
| |
From: Marcelo Feitoza Parisi <marcelo@feitoza.com.br>
Use of the time_after() and time_before() macros, defined at linux/jiffies.h, which deal with wrapping correctly and are nicer to read.
Signed-off-by: Marcelo Feitoza Parisi <marcelo@feitoza.com.br> Signed-off-by: Domen Puncer <domen@coderock.org>
--- floppy.c | 7 ++++--- 1 files changed, 4 insertions(+), 3 deletions(-)
Index: quilt/drivers/block/floppy.c =================================================================== --- quilt.orig/drivers/block/floppy.c +++ quilt/drivers/block/floppy.c @@ -179,6 +179,7 @@ static int print_unex = 1; #include <linux/devfs_fs_kernel.h> #include <linux/device.h> #include <linux/buffer_head.h> /* for invalidate_buffers() */ +#include <linux/jiffies.h> /* for time_before() */ /* * PS/2 floppies have much slower step rates than regular floppies. @@ -733,7 +734,7 @@ static int disk_change(int drive) { int fdc = FDC(drive); #ifdef FLOPPY_SANITY_CHECK - if (jiffies - UDRS->select_date < UDP->select_delay) + if (time_before(jiffies, UDRS->select_date + UDP->select_delay)) DPRINT("WARNING disk change called early\n"); if (!(FDCS->dor & (0x10 << UNIT(drive))) || (FDCS->dor & 3) != UNIT(drive) || fdc != FDC(drive)) { @@ -1061,7 +1062,7 @@ static int fd_wait_for_completion(unsign return 1; } - if ((signed)(jiffies - delay) < 0) { + if (time_before(jiffies, delay)) { del_timer(&fd_timer); fd_timer.function = function; fd_timer.expires = delay; @@ -1521,7 +1522,7 @@ static void setup_rw_floppy(void) * again just before spinup completion. Beware that * after scandrives, we must again wait for selection. */ - if ((signed)(ready_date - jiffies) > DP->select_delay) { + if (time_after(ready_date, jiffies + DP->select_delay)) { ready_date -= DP->select_delay; function = (timeout_fn) floppy_start; } else -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |