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ARM: tegra: use MASK_BITS_* macros everywhere 

Not all code that set or interpreted "mux_bits" was using the named
macros, but rather some was simply using hard-coded integer constants.
This makes it hard to determine which pieces of code are affected by
changes to those constants.

Replace the integer constants with the equivalent macro definitions so
that everything is nicely tied together.

Note that I'm not convinced all the code was using the correct integer
constants, and hence I'm not convinced that all the code is now using
the desired macros. However, this change is a purely mechanical
replacement and should have no functional change. Fixing any bugs will
come later, separately.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Tested-by: Thierry Reding <treding@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
This commit is contained in:
Stephen Warren 2014-01-24 10:16:20 -07:00 committed by Tom Warren
parent 9cb0c6dc69
commit 54d2e18292
2 changed files with 3 additions and 3 deletions
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2
arch/arm/cpu/tegra-common/clock.c
View File

@ -304,7 +304,7 @@ static int adjust_periph_pll(enum periph_id periph_id, int source,
/* work out the source clock and set it */
if (source < 0)
return -1;
if (mux_bits == 4) {
if (mux_bits == MASK_BITS_31_28) {
clrsetbits_le32(reg, OUT_CLK_SOURCE_31_28_MASK,
source << OUT_CLK_SOURCE_31_28_SHIFT);
} else {

4
arch/arm/cpu/tegra20-common/clock.c
View File

@ -412,9 +412,9 @@ int get_periph_clock_source(enum periph_id periph_id,
* with its 16-bit divisor
*/
if (type == CLOCK_TYPE_PCXTS)
*mux_bits = 4;
*mux_bits = MASK_BITS_31_28;
else
*mux_bits = 2;
*mux_bits = MASK_BITS_31_30;
if (type == CLOCK_TYPE_PCMT16)
*divider_bits = 16;
else