[tip: x86/irq] x86: Fix typo s/ECLR/ELCR/ for the PIC register

From: tip-bot2 for Maciej W. Rozycki
Date: Tue Aug 10 2021 - 17:35:54 EST


The following commit has been merged into the x86/irq branch of tip:

Commit-ID: 34739a2809e1e5d54d41d93cfc6b074e8d781ee2
Gitweb: https://git.kernel.org/tip/34739a2809e1e5d54d41d93cfc6b074e8d781ee2
Author: Maciej W. Rozycki <macro@xxxxxxxxxxx>
AuthorDate: Tue, 20 Jul 2021 05:28:15 +02:00
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Tue, 10 Aug 2021 23:31:44 +02:00

x86: Fix typo s/ECLR/ELCR/ for the PIC register

The proper spelling for the acronym referring to the Edge/Level Control
Register is ELCR rather than ECLR. Adjust references accordingly. No
functional change.

Signed-off-by: Maciej W. Rozycki <macro@xxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/alpine.DEB.2.21.2107200251080.9461@xxxxxxxxxxxxxxxxx

---
arch/x86/kernel/acpi/boot.c | 6 +++---
arch/x86/kvm/i8259.c | 20 ++++++++++----------
arch/x86/kvm/irq.h | 2 +-
3 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 7f59f83..14bcd59 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -558,10 +558,10 @@ acpi_parse_nmi_src(union acpi_subtable_headers * header, const unsigned long end
* If a PIC-mode SCI is not recognized or gives spurious IRQ7's
* it may require Edge Trigger -- use "acpi_sci=edge"
*
- * Port 0x4d0-4d1 are ECLR1 and ECLR2, the Edge/Level Control Registers
+ * Port 0x4d0-4d1 are ELCR1 and ELCR2, the Edge/Level Control Registers
* for the 8259 PIC. bit[n] = 1 means irq[n] is Level, otherwise Edge.
- * ECLR1 is IRQs 0-7 (IRQ 0, 1, 2 must be 0)
- * ECLR2 is IRQs 8-15 (IRQ 8, 13 must be 0)
+ * ELCR1 is IRQs 0-7 (IRQ 0, 1, 2 must be 0)
+ * ELCR2 is IRQs 8-15 (IRQ 8, 13 must be 0)
*/

void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger)
diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c
index 629a09c..0b80263 100644
--- a/arch/x86/kvm/i8259.c
+++ b/arch/x86/kvm/i8259.c
@@ -541,17 +541,17 @@ static int picdev_slave_read(struct kvm_vcpu *vcpu, struct kvm_io_device *dev,
addr, len, val);
}

-static int picdev_eclr_write(struct kvm_vcpu *vcpu, struct kvm_io_device *dev,
+static int picdev_elcr_write(struct kvm_vcpu *vcpu, struct kvm_io_device *dev,
gpa_t addr, int len, const void *val)
{
- return picdev_write(container_of(dev, struct kvm_pic, dev_eclr),
+ return picdev_write(container_of(dev, struct kvm_pic, dev_elcr),
addr, len, val);
}

-static int picdev_eclr_read(struct kvm_vcpu *vcpu, struct kvm_io_device *dev,
+static int picdev_elcr_read(struct kvm_vcpu *vcpu, struct kvm_io_device *dev,
gpa_t addr, int len, void *val)
{
- return picdev_read(container_of(dev, struct kvm_pic, dev_eclr),
+ return picdev_read(container_of(dev, struct kvm_pic, dev_elcr),
addr, len, val);
}

@@ -577,9 +577,9 @@ static const struct kvm_io_device_ops picdev_slave_ops = {
.write = picdev_slave_write,
};

-static const struct kvm_io_device_ops picdev_eclr_ops = {
- .read = picdev_eclr_read,
- .write = picdev_eclr_write,
+static const struct kvm_io_device_ops picdev_elcr_ops = {
+ .read = picdev_elcr_read,
+ .write = picdev_elcr_write,
};

int kvm_pic_init(struct kvm *kvm)
@@ -602,7 +602,7 @@ int kvm_pic_init(struct kvm *kvm)
*/
kvm_iodevice_init(&s->dev_master, &picdev_master_ops);
kvm_iodevice_init(&s->dev_slave, &picdev_slave_ops);
- kvm_iodevice_init(&s->dev_eclr, &picdev_eclr_ops);
+ kvm_iodevice_init(&s->dev_elcr, &picdev_elcr_ops);
mutex_lock(&kvm->slots_lock);
ret = kvm_io_bus_register_dev(kvm, KVM_PIO_BUS, 0x20, 2,
&s->dev_master);
@@ -613,7 +613,7 @@ int kvm_pic_init(struct kvm *kvm)
if (ret < 0)
goto fail_unreg_2;

- ret = kvm_io_bus_register_dev(kvm, KVM_PIO_BUS, 0x4d0, 2, &s->dev_eclr);
+ ret = kvm_io_bus_register_dev(kvm, KVM_PIO_BUS, 0x4d0, 2, &s->dev_elcr);
if (ret < 0)
goto fail_unreg_1;

@@ -647,7 +647,7 @@ void kvm_pic_destroy(struct kvm *kvm)
mutex_lock(&kvm->slots_lock);
kvm_io_bus_unregister_dev(vpic->kvm, KVM_PIO_BUS, &vpic->dev_master);
kvm_io_bus_unregister_dev(vpic->kvm, KVM_PIO_BUS, &vpic->dev_slave);
- kvm_io_bus_unregister_dev(vpic->kvm, KVM_PIO_BUS, &vpic->dev_eclr);
+ kvm_io_bus_unregister_dev(vpic->kvm, KVM_PIO_BUS, &vpic->dev_elcr);
mutex_unlock(&kvm->slots_lock);

kvm->arch.vpic = NULL;
diff --git a/arch/x86/kvm/irq.h b/arch/x86/kvm/irq.h
index 9b64abf..650642b 100644
--- a/arch/x86/kvm/irq.h
+++ b/arch/x86/kvm/irq.h
@@ -55,7 +55,7 @@ struct kvm_pic {
int output; /* intr from master PIC */
struct kvm_io_device dev_master;
struct kvm_io_device dev_slave;
- struct kvm_io_device dev_eclr;
+ struct kvm_io_device dev_elcr;
void (*ack_notifier)(void *opaque, int irq);
unsigned long irq_states[PIC_NUM_PINS];
};