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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2016-07-11 07:58:34 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2016-07-11 07:58:34 +0200 |
| commit | ca95c2bab96b4109e3340e79dbc9a584577fea91 (patch) | |
| tree | 634d5de8d78710fc6125448ae0828528241376ff /drivers | |
| parent | 50543054eb23e9b93b5be4a272d130f04bf8bc4d (diff) | |
| parent | c957ace732458d48b5e7da4297c40c160e340993 (diff) | |
| download | barebox-ca95c2bab96b4109e3340e79dbc9a584577fea91.tar.gz barebox-ca95c2bab96b4109e3340e79dbc9a584577fea91.tar.xz | |
Merge branch 'for-next/video'
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/edid.c | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/drivers/video/edid.c b/drivers/video/edid.c index e5c32a0c1b..92b59a5564 100644 --- a/drivers/video/edid.c +++ b/drivers/video/edid.c @@ -321,35 +321,6 @@ static u32 fb_get_hblank_by_hfreq(u32 hfreq, u32 xres) } /** - * int_sqrt - rough approximation to sqrt - * @x: integer of which to calculate the sqrt - * - * A very rough approximation to the sqrt() function. - */ -unsigned long int_sqrt(unsigned long x) -{ - unsigned long b, m, y = 0; - - if (x <= 1) - return x; - - m = 1UL << (BITS_PER_LONG - 2); - while (m != 0) { - b = y + m; - y >>= 1; - - if (x >= b) { - x -= b; - y += m; - } - m >>= 2; - } - - return y; -} -EXPORT_SYMBOL(int_sqrt); - -/** * fb_get_hfreq - estimate hsync * @vfreq: vertical refresh rate * @yres: vertical resolution |