This is a note to let you know that I've just added the patch titled
gpio: pcie-idio-24: Fix IRQ Enable Register value
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
gpio-pcie-idio-24-fix-irq-enable-register-value.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 23a7fdc06ebcc334fa667f0550676b035510b70b Mon Sep 17 00:00:00 2001
From: Arnaud de Turckheim <quarium@xxxxxxxxx>
Date: Wed, 4 Nov 2020 16:24:54 +0100
Subject: gpio: pcie-idio-24: Fix IRQ Enable Register value
From: Arnaud de Turckheim <quarium@xxxxxxxxx>
commit 23a7fdc06ebcc334fa667f0550676b035510b70b upstream.
This fixes the COS Enable Register value for enabling/disabling the
corresponding IRQs bank.
Fixes: 585562046628 ("gpio: Add GPIO support for the ACCES PCIe-IDIO-24 family")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Arnaud de Turckheim <quarium@xxxxxxxxx>
Reviewed-by: William Breathitt Gray <vilhelm.gray@xxxxxxxxx>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpio/gpio-pcie-idio-24.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
--- a/drivers/gpio/gpio-pcie-idio-24.c
+++ b/drivers/gpio/gpio-pcie-idio-24.c
@@ -360,13 +360,13 @@ static void idio_24_irq_mask(struct irq_
unsigned long flags;
const unsigned long bit_offset = irqd_to_hwirq(data) - 24;
unsigned char new_irq_mask;
- const unsigned long bank_offset = bit_offset/8 * 8;
+ const unsigned long bank_offset = bit_offset / 8;
unsigned char cos_enable_state;
raw_spin_lock_irqsave(&idio24gpio->lock, flags);
idio24gpio->irq_mask &= ~BIT(bit_offset);
- new_irq_mask = idio24gpio->irq_mask >> bank_offset;
+ new_irq_mask = idio24gpio->irq_mask >> bank_offset * 8;
if (!new_irq_mask) {
cos_enable_state = ioread8(&idio24gpio->reg->cos_enable);
@@ -389,12 +389,12 @@ static void idio_24_irq_unmask(struct ir
unsigned long flags;
unsigned char prev_irq_mask;
const unsigned long bit_offset = irqd_to_hwirq(data) - 24;
- const unsigned long bank_offset = bit_offset/8 * 8;
+ const unsigned long bank_offset = bit_offset / 8;
unsigned char cos_enable_state;
raw_spin_lock_irqsave(&idio24gpio->lock, flags);
- prev_irq_mask = idio24gpio->irq_mask >> bank_offset;
+ prev_irq_mask = idio24gpio->irq_mask >> bank_offset * 8;
idio24gpio->irq_mask |= BIT(bit_offset);
if (!prev_irq_mask) {
Patches currently in stable-queue which might be from quarium@xxxxxxxxx are
queue-5.4/gpio-pcie-idio-24-fix-irq-enable-register-value.patch
queue-5.4/gpio-pcie-idio-24-enable-pex8311-interrupts.patch
queue-5.4/gpio-pcie-idio-24-fix-irq-mask-when-masking.patch
