* [PATCH] nios2: use of_property_read_bool
@ 2016-08-10 12:27 Tobias Klauser
2016-08-26 3:13 ` [Nios2-dev] " Ley Foon Tan
0 siblings, 1 reply; 2+ messages in thread
From: Tobias Klauser @ 2016-08-10 12:27 UTC (permalink / raw)
To: Ley Foon Tan; +Cc: nios2-dev, kernel-janitors, linux-kernel
Use of_property_read_bool instead of open-coding it as fpcu_has. Convert
the members of struct cpuinfo from u32 to bool accordingly as they are
only used as boolean anyhow.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
---
arch/nios2/include/asm/cpuinfo.h | 8 ++++----
arch/nios2/kernel/cpuinfo.c | 15 +++++----------
2 files changed, 9 insertions(+), 14 deletions(-)
diff --git a/arch/nios2/include/asm/cpuinfo.h b/arch/nios2/include/asm/cpuinfo.h
index e88fcae464d9..348bb228fec9 100644
--- a/arch/nios2/include/asm/cpuinfo.h
+++ b/arch/nios2/include/asm/cpuinfo.h
@@ -25,10 +25,10 @@ struct cpuinfo {
/* Core CPU configuration */
char cpu_impl[12];
u32 cpu_clock_freq;
- u32 mmu;
- u32 has_div;
- u32 has_mul;
- u32 has_mulx;
+ bool mmu;
+ bool has_div;
+ bool has_mul;
+ bool has_mulx;
/* CPU caches */
u32 icache_line_size;
diff --git a/arch/nios2/kernel/cpuinfo.c b/arch/nios2/kernel/cpuinfo.c
index 1d96de0bd4aa..1cccc36877bc 100644
--- a/arch/nios2/kernel/cpuinfo.c
+++ b/arch/nios2/kernel/cpuinfo.c
@@ -41,11 +41,6 @@ static inline u32 fcpu(struct device_node *cpu, const char *n)
return val;
}
-static inline u32 fcpu_has(struct device_node *cpu, const char *n)
-{
- return of_get_property(cpu, n, NULL) ? 1 : 0;
-}
-
void __init setup_cpuinfo(void)
{
struct device_node *cpu;
@@ -56,7 +51,7 @@ void __init setup_cpuinfo(void)
if (!cpu)
panic("%s: No CPU found in devicetree!\n", __func__);
- if (!fcpu_has(cpu, "altr,has-initda"))
+ if (!of_property_read_bool(cpu, "altr,has-initda"))
panic("initda instruction is unimplemented. Please update your "
"hardware system to have more than 4-byte line data "
"cache\n");
@@ -69,10 +64,10 @@ void __init setup_cpuinfo(void)
else
strcpy(cpuinfo.cpu_impl, "<unknown>");
- cpuinfo.has_div = fcpu_has(cpu, "altr,has-div");
- cpuinfo.has_mul = fcpu_has(cpu, "altr,has-mul");
- cpuinfo.has_mulx = fcpu_has(cpu, "altr,has-mulx");
- cpuinfo.mmu = fcpu_has(cpu, "altr,has-mmu");
+ cpuinfo.has_div = of_property_read_bool(cpu, "altr,has-div");
+ cpuinfo.has_mul = of_property_read_bool(cpu, "altr,has-mul");
+ cpuinfo.has_mulx = of_property_read_bool(cpu, "altr,has-mulx");
+ cpuinfo.mmu = of_property_read_bool(cpu, "altr,has-mmu");
if (IS_ENABLED(CONFIG_NIOS2_HW_DIV_SUPPORT) && !cpuinfo.has_div)
err_cpu("DIV");
--
2.9.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [Nios2-dev] [PATCH] nios2: use of_property_read_bool
2016-08-10 12:27 [PATCH] nios2: use of_property_read_bool Tobias Klauser
@ 2016-08-26 3:13 ` Ley Foon Tan
0 siblings, 0 replies; 2+ messages in thread
From: Ley Foon Tan @ 2016-08-26 3:13 UTC (permalink / raw)
To: Tobias Klauser; +Cc: nios2-dev, kernel-janitors, linux-kernel
On Wed, Aug 10, 2016 at 8:27 PM, Tobias Klauser <tklauser@distanz.ch> wrote:
> Use of_property_read_bool instead of open-coding it as fpcu_has. Convert
> the members of struct cpuinfo from u32 to bool accordingly as they are
> only used as boolean anyhow.
>
> Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Ley Foon Tan <lftan@altera.com>
Thanks.
> ---
> arch/nios2/include/asm/cpuinfo.h | 8 ++++----
> arch/nios2/kernel/cpuinfo.c | 15 +++++----------
> 2 files changed, 9 insertions(+), 14 deletions(-)
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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