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thunderbolt: Make use of SI units from units.h

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In a couple of places it seems reasonable to use MEGA intead
of explicit number. It makes code more readable and robust.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
This commit is contained in:
Andy Shevchenko 2023-03-27 20:20:17 +03:00 committed by Mika Westerberg
parent 4e99c98e30
commit 5d88366807
1 changed files with 3 additions and 2 deletions
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5
drivers/thunderbolt/usb4.c
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@ -9,6 +9,7 @@
#include <linux/delay.h>
#include <linux/ktime.h>
#include <linux/units.h>
#include "sb_regs.h"
#include "tb.h"
@ -1968,7 +1969,7 @@ static unsigned int usb3_bw_to_mbps(u32 bw, u8 scale)
unsigned long uframes;
uframes = bw * 512UL << scale;
return DIV_ROUND_CLOSEST(uframes * 8000, 1000 * 1000);
return DIV_ROUND_CLOSEST(uframes * 8000, MEGA);
}
static u32 mbps_to_usb3_bw(unsigned int mbps, u8 scale)
@ -1976,7 +1977,7 @@ static u32 mbps_to_usb3_bw(unsigned int mbps, u8 scale)
unsigned long uframes;
/* 1 uframe is 1/8 ms (125 us) -> 1 / 8000 s */
uframes = ((unsigned long)mbps * 1000 * 1000) / 8000;
uframes = ((unsigned long)mbps * MEGA) / 8000;
return DIV_ROUND_UP(uframes, 512UL << scale);
}