From: Sudeep Holla <sudeep.holla@arm.com>
To: linux-kernel@vger.kernel.org,
Andy Shevchenko <andy.shevchenko@gmail.com>,
linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Cc: Sudeep Holla <sudeep.holla@arm.com>,
Jeremy Linton <jeremy.linton@arm.com>,
Catalin Marinas <Catalin.Marinas@arm.com>,
Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: [PATCH] drivers: base: cacheinfo: use OF property_read_u64 instead of get_property,read_number
Date: Mon, 21 May 2018 11:32:29 +0100 [thread overview]
Message-ID: <1526898749-17263-1-git-send-email-sudeep.holla@arm.com> (raw)
In-Reply-To: <CAHp75VciOAMX1HWifZ+K9GiVicZRFrwHaGteJFVe1uFrh+qu0w@mail.gmail.com>
of_property_read_u64 searches for a property in a device node and read
a 64-bit value from it. Instead of using of_get_property to get the
property and then read 64-bit value using of_read_number, we can
simplify it by using of_property_read_u64.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
---
drivers/base/cacheinfo.c | 26 ++++++++++++--------------
1 file changed, 12 insertions(+), 14 deletions(-)
diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c
index 2880e2ab01f5..6704563a9339 100644
--- a/drivers/base/cacheinfo.c
+++ b/drivers/base/cacheinfo.c
@@ -74,52 +74,50 @@ static inline int get_cacheinfo_idx(enum cache_type type)
static void cache_size(struct cacheinfo *this_leaf, struct device_node *np)
{
const char *propname;
- const __be32 *cache_size;
+ u64 cache_size;
int ct_idx;
ct_idx = get_cacheinfo_idx(this_leaf->type);
propname = cache_type_info[ct_idx].size_prop;
- cache_size = of_get_property(np, propname, NULL);
- if (cache_size)
- this_leaf->size = of_read_number(cache_size, 1);
+ if (!of_property_read_u64(np, propname, &cache_size))
+ this_leaf->size = cache_size;
}
/* not cache_line_size() because that's a macro in include/linux/cache.h */
static void cache_get_line_size(struct cacheinfo *this_leaf,
struct device_node *np)
{
- const __be32 *line_size;
int i, lim, ct_idx;
ct_idx = get_cacheinfo_idx(this_leaf->type);
lim = ARRAY_SIZE(cache_type_info[ct_idx].line_size_props);
for (i = 0; i < lim; i++) {
+ int ret;
+ u64 line_size;
const char *propname;
propname = cache_type_info[ct_idx].line_size_props[i];
- line_size = of_get_property(np, propname, NULL);
- if (line_size)
+ ret = of_property_read_u64(np, propname, &line_size);
+ if (!ret) {
+ this_leaf->coherency_line_size = line_size;
break;
+ }
}
-
- if (line_size)
- this_leaf->coherency_line_size = of_read_number(line_size, 1);
}
static void cache_nr_sets(struct cacheinfo *this_leaf, struct device_node *np)
{
const char *propname;
- const __be32 *nr_sets;
+ u64 nr_sets;
int ct_idx;
ct_idx = get_cacheinfo_idx(this_leaf->type);
propname = cache_type_info[ct_idx].nr_sets_prop;
- nr_sets = of_get_property(np, propname, NULL);
- if (nr_sets)
- this_leaf->number_of_sets = of_read_number(nr_sets, 1);
+ if (!of_property_read_u64(np, propname, &nr_sets))
+ this_leaf->number_of_sets = nr_sets;
}
static void cache_associativity(struct cacheinfo *this_leaf)
--
2.7.4
next prev parent reply other threads:[~2018-05-21 10:32 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-11 23:57 [PATCH v9 00/12] Support PPTT for ARM64 Jeremy Linton
2018-05-11 23:57 ` [PATCH v9 01/12] drivers: base: cacheinfo: move cache_setup_of_node() Jeremy Linton
2018-05-11 23:57 ` [PATCH v9 02/12] drivers: base: cacheinfo: setup DT cache properties early Jeremy Linton
2018-05-15 17:15 ` Jeremy Linton
2018-05-15 19:32 ` Andy Shevchenko
2018-05-16 10:56 ` Sudeep Holla
2018-05-17 15:47 ` Sudeep Holla
2018-05-18 21:50 ` Andy Shevchenko
2018-05-21 9:27 ` Sudeep Holla
2018-05-21 10:15 ` Sudeep Holla
2018-05-21 10:32 ` Sudeep Holla [this message]
2018-05-21 12:53 ` [PATCH v2] drivers: base: cacheinfo: use OF property_read_u32 instead of get_property,read_number Sudeep Holla
2018-06-05 16:21 ` Andy Shevchenko
2018-06-05 16:26 ` Sudeep Holla
2018-06-05 16:34 ` Andy Shevchenko
2018-05-17 6:54 ` [PATCH v9 02/12] drivers: base: cacheinfo: setup DT cache properties early Greg KH
2018-05-17 9:08 ` Sudeep Holla
2018-05-17 9:35 ` Greg KH
2018-05-11 23:57 ` [PATCH v9 03/12] cacheinfo: rename of_node to fw_token Jeremy Linton
2018-05-11 23:57 ` [PATCH v9 04/12] arm64/acpi: Create arch specific cpu to acpi id helper Jeremy Linton
2018-05-14 14:41 ` Sudeep Holla
2018-05-11 23:58 ` [PATCH v9 05/12] ACPI/PPTT: Add Processor Properties Topology Table parsing Jeremy Linton
2018-05-12 10:09 ` Rafael J. Wysocki
2018-05-15 21:42 ` Jeremy Linton
2018-05-16 8:24 ` Rafael J. Wysocki
2018-05-11 23:58 ` [PATCH v9 06/12] ACPI: Enable PPTT support on ARM64 Jeremy Linton
2018-05-11 23:58 ` [PATCH v9 07/12] drivers: base cacheinfo: Add support for ACPI based firmware tables Jeremy Linton
2018-05-11 23:58 ` [PATCH v9 08/12] arm64: " Jeremy Linton
2018-05-11 23:58 ` [PATCH v9 09/12] arm64: topology: rename cluster_id Jeremy Linton
2018-05-11 23:58 ` [PATCH v9 10/12] arm64: topology: enable ACPI/PPTT based CPU topology Jeremy Linton
2018-05-11 23:58 ` [PATCH v9 11/12] ACPI: Add PPTT to injectable table list Jeremy Linton
2018-05-12 10:10 ` Rafael J. Wysocki
2018-05-11 23:58 ` [PATCH v9 12/12] arm64: topology: divorce MC scheduling domain from core_siblings Jeremy Linton
2018-05-17 17:05 ` [PATCH v9 00/12] Support PPTT for ARM64 Catalin Marinas
2018-05-29 10:48 ` Geert Uytterhoeven
2018-05-29 11:14 ` Sudeep Holla
2018-05-29 11:56 ` Geert Uytterhoeven
2018-05-29 13:18 ` Sudeep Holla
2018-05-29 15:08 ` Will Deacon
2018-05-29 15:51 ` Geert Uytterhoeven
2018-05-29 17:08 ` Robin Murphy
2018-05-29 17:18 ` Geert Uytterhoeven
2018-05-29 17:31 ` Sudeep Holla
2018-05-29 20:16 ` Will Deacon
2018-05-29 20:48 ` Jeremy Linton
2018-05-29 21:52 ` Jeremy Linton
2018-05-30 13:24 ` Sudeep Holla
2018-05-29 15:23 ` Jeremy Linton
2018-05-29 15:50 ` Geert Uytterhoeven
2018-05-30 8:52 ` Morten Rasmussen
2018-06-05 13:55 ` [PATCH 1/3] Revert "arm64: topology: divorce MC scheduling domain from core_siblings" Sudeep Holla
2018-06-05 13:55 ` [PATCH 2/3] ACPI / PPTT: fix build when CONFIG_ACPI_PPTT is not enabled Sudeep Holla
2018-06-05 13:55 ` [PATCH 3/3] arm64: disable ACPI PPTT support temporarily Sudeep Holla
2018-06-05 14:09 ` [PATCH 1/3] Revert "arm64: topology: divorce MC scheduling domain from core_siblings" Geert Uytterhoeven
2018-06-05 14:12 ` Sudeep Holla
2018-06-04 15:12 ` [PATCH v9 00/12] Support PPTT for ARM64 Catalin Marinas
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