* [PATCH] disk: part: rename parameter of lba512_muldiv()
@ 2020-01-16 19:36 Heinrich Schuchardt
2020-01-23 22:01 ` Tom Rini
0 siblings, 1 reply; 2+ messages in thread
From: Heinrich Schuchardt @ 2020-01-16 19:36 UTC (permalink / raw)
To: u-boot
div_by is a misleading parameter name, when we are doing >> div_by.
Rename it to right_shift.
Reported-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
---
disk/part.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/disk/part.c b/disk/part.c
index 8982ef3bae..4cc2fc19f7 100644
--- a/disk/part.c
+++ b/disk/part.c
@@ -104,17 +104,18 @@ typedef lbaint_t lba512_t;
#endif
/*
- * Overflowless variant of (block_count * mul_by / 2**div_by)
- * when div_by > mul_by
+ * Overflowless variant of (block_count * mul_by / 2**right_shift)
+ * when 2**right_shift > mul_by
*/
-static lba512_t lba512_muldiv(lba512_t block_count, lba512_t mul_by, int div_by)
+static lba512_t lba512_muldiv(lba512_t block_count, lba512_t mul_by,
+ int right_shift)
{
lba512_t bc_quot, bc_rem;
/* x * m / d == x / d * m + (x % d) * m / d */
- bc_quot = block_count >> div_by;
- bc_rem = block_count - (bc_quot << div_by);
- return bc_quot * mul_by + ((bc_rem * mul_by) >> div_by);
+ bc_quot = block_count >> right_shift;
+ bc_rem = block_count - (bc_quot << right_shift);
+ return bc_quot * mul_by + ((bc_rem * mul_by) >> right_shift);
}
void dev_print (struct blk_desc *dev_desc)
--
2.24.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH] disk: part: rename parameter of lba512_muldiv()
2020-01-16 19:36 [PATCH] disk: part: rename parameter of lba512_muldiv() Heinrich Schuchardt
@ 2020-01-23 22:01 ` Tom Rini
0 siblings, 0 replies; 2+ messages in thread
From: Tom Rini @ 2020-01-23 22:01 UTC (permalink / raw)
To: u-boot
On Thu, Jan 16, 2020 at 08:36:58PM +0100, Heinrich Schuchardt wrote:
> div_by is a misleading parameter name, when we are doing >> div_by.
> Rename it to right_shift.
>
> Reported-by: Simon Glass <sjg@chromium.org>
> Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Applied to u-boot/master, thanks!
--
Tom
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