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Message-Id: <20210814211713.180533-13-yury.norov@gmail.com>
Date: Sat, 14 Aug 2021 14:17:08 -0700
From: Yury Norov <yury.norov@...il.com>
To: Andrew Morton <akpm@...ux-foundation.org>,
linux-kernel@...r.kernel.org, linux-mm@...ck.org,
linux-arch@...r.kernel.org, linux-kselftest@...r.kernel.org,
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kvm@...r.kernel.org,
"James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
Alexander Lobakin <alobakin@...me>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
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Andrea Merello <andrea.merello@...il.com>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Arnaldo Carvalho de Melo <acme@...hat.com>,
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Peter Xu <peterx@...hat.com>,
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Rasmus Villemoes <linux@...musvillemoes.dk>,
Rich Felker <dalias@...c.org>,
Samuel Mendoza-Jonas <sam@...dozajonas.com>,
Sean Christopherson <seanjc@...gle.com>,
Sergey Senozhatsky <senozhatsky@...omium.org>,
Shuah Khan <shuah@...nel.org>,
Stefan Kristiansson <stefan.kristiansson@...nalahti.fi>,
Steven Rostedt <rostedt@...dmis.org>,
Tejun Heo <tj@...nel.org>,
Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
Ulf Hansson <ulf.hansson@...aro.org>,
Will Deacon <will@...nel.org>,
Wolfram Sang <wsa+renesas@...g-engineering.com>,
Yoshinori Sato <ysato@...rs.sourceforge.jp>,
Yury Norov <yury.norov@...il.com>
Subject: [PATCH 12/17] Replace for_each_*_bit_from() with for_each_*_bit() where appropriate
A couple of kernel functions call for_each_*_bit_from() with start
bit equal to 0. Replace them with for_each_*_bit().
No functional changes, but might improve on readability.
Signed-off-by: Yury Norov <yury.norov@...il.com>
Tested-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
---
arch/x86/kernel/apic/vector.c | 4 ++--
drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 4 ++--
drivers/hwmon/ltc2992.c | 3 +--
3 files changed, 5 insertions(+), 6 deletions(-)
diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index c132daabe615..3e6f6b448f6a 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -760,9 +760,9 @@ void __init lapic_update_legacy_vectors(void)
void __init lapic_assign_system_vectors(void)
{
- unsigned int i, vector = 0;
+ unsigned int i, vector;
- for_each_set_bit_from(vector, system_vectors, NR_VECTORS)
+ for_each_set_bit(vector, system_vectors, NR_VECTORS)
irq_matrix_assign_system(vector_matrix, vector, false);
if (nr_legacy_irqs() > 1)
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index c297fffe06eb..cb9a2e493e8a 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -1038,7 +1038,7 @@ int etnaviv_gpu_debugfs(struct etnaviv_gpu *gpu, struct seq_file *m)
void etnaviv_gpu_recover_hang(struct etnaviv_gpu *gpu)
{
- unsigned int i = 0;
+ unsigned int i;
dev_err(gpu->dev, "recover hung GPU!\n");
@@ -1051,7 +1051,7 @@ void etnaviv_gpu_recover_hang(struct etnaviv_gpu *gpu)
/* complete all events, the GPU won't do it after the reset */
spin_lock(&gpu->event_spinlock);
- for_each_set_bit_from(i, gpu->event_bitmap, ETNA_NR_EVENTS)
+ for_each_set_bit(i, gpu->event_bitmap, ETNA_NR_EVENTS)
complete(&gpu->event_free);
bitmap_zero(gpu->event_bitmap, ETNA_NR_EVENTS);
spin_unlock(&gpu->event_spinlock);
diff --git a/drivers/hwmon/ltc2992.c b/drivers/hwmon/ltc2992.c
index 2a4bed0ab226..7352d2b3c756 100644
--- a/drivers/hwmon/ltc2992.c
+++ b/drivers/hwmon/ltc2992.c
@@ -248,8 +248,7 @@ static int ltc2992_gpio_get_multiple(struct gpio_chip *chip, unsigned long *mask
gpio_status = reg;
- gpio_nr = 0;
- for_each_set_bit_from(gpio_nr, mask, LTC2992_GPIO_NR) {
+ for_each_set_bit(gpio_nr, mask, LTC2992_GPIO_NR) {
if (test_bit(LTC2992_GPIO_BIT(gpio_nr), &gpio_status))
set_bit(gpio_nr, bits);
}
--
2.30.2
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