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ARM: 8652/1: cache-uniphier: clean up active way setup code

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Now, the active way setup function is called with a fixed value zero
for the second argument.  The code can be simpler.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Masahiro Yamada 2017-02-01 14:30:09 +01:00 committed by Russell King
parent 1c63d4c5e1
commit 06369a1e58
1 changed files with 9 additions and 14 deletions
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23
arch/arm/mm/cache-uniphier.c
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@ -15,6 +15,7 @@
#define pr_fmt(fmt) "uniphier: " fmt
#include <linux/bitops.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/log2.h>
@ -71,8 +72,7 @@
* @ctrl_base: virtual base address of control registers
* @rev_base: virtual base address of revision registers
* @op_base: virtual base address of operation registers
* @way_present_mask: each bit specifies if the way is present
* @way_locked_mask: each bit specifies if the way is locked
* @way_mask: each bit specifies if the way is present
* @nsets: number of associativity sets
* @line_size: line size in bytes
* @range_op_max_size: max size that can be handled by a single range operation
@ -83,8 +83,7 @@ struct uniphier_cache_data {
void __iomem *rev_base;
void __iomem *op_base;
void __iomem *way_ctrl_base;
u32 way_present_mask;
u32 way_locked_mask;
u32 way_mask;
u32 nsets;
u32 line_size;
u32 range_op_max_size;
@ -234,17 +233,13 @@ static void __uniphier_cache_enable(struct uniphier_cache_data *data, bool on)
writel_relaxed(val, data->ctrl_base + UNIPHIER_SSCC);
}
static void __init __uniphier_cache_set_locked_ways(
struct uniphier_cache_data *data,
u32 way_mask)
static void __init __uniphier_cache_set_active_ways(
struct uniphier_cache_data *data)
{
unsigned int cpu;
data->way_locked_mask = way_mask & data->way_present_mask;
for_each_possible_cpu(cpu)
writel_relaxed(~data->way_locked_mask & data->way_present_mask,
data->way_ctrl_base + 4 * cpu);
writel_relaxed(data->way_mask, data->way_ctrl_base + 4 * cpu);
}
static void uniphier_cache_maint_range(unsigned long start, unsigned long end,
@ -307,7 +302,7 @@ static void __init uniphier_cache_enable(void)
list_for_each_entry(data, &uniphier_cache_list, list) {
__uniphier_cache_enable(data, true);
__uniphier_cache_set_locked_ways(data, 0);
__uniphier_cache_set_active_ways(data);
}
}
@ -382,8 +377,8 @@ static int __init __uniphier_cache_init(struct device_node *np,
goto err;
}
data->way_present_mask =
((u32)1 << cache_size / data->nsets / data->line_size) - 1;
data->way_mask = GENMASK(cache_size / data->nsets / data->line_size - 1,
0);
data->ctrl_base = of_iomap(np, 0);
if (!data->ctrl_base) {