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drivers/ide/ide-cd.c: Use DIV_ROUND_CLOSEST
The kernel.h macro DIV_ROUND_CLOSEST performs the computation (x + d/2)/d but is perhaps more readable. The semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @haskernel@ @@ #include <linux/kernel.h> @depends on haskernel@ expression x,__divisor; @@ - (((x) + ((__divisor) / 2)) / (__divisor)) + DIV_ROUND_CLOSEST(x,__divisor) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Acked-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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1 changed files with 2 additions and 2 deletions
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@ -1146,8 +1146,8 @@ void ide_cdrom_update_speed(ide_drive_t *drive, u8 *buf)
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ide_debug_log(IDE_DBG_PROBE, "curspeed: %u, maxspeed: %u",
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curspeed, maxspeed);
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cd->current_speed = (curspeed + (176/2)) / 176;
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cd->max_speed = (maxspeed + (176/2)) / 176;
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cd->current_speed = DIV_ROUND_CLOSEST(curspeed, 176);
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cd->max_speed = DIV_ROUND_CLOSEST(maxspeed, 176);
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}
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#define IDE_CD_CAPABILITIES \
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