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| author | Wojciech Dubowik <Wojciech.Dubowik@westermo.com> | 2022-09-14 12:12:06 +0200 |
|---|---|---|
| committer | Petr Štetiar <ynezz@true.cz> | 2022-09-14 16:45:06 +0200 |
| commit | 00643b4584e73949de05ca8c3276a05657ba0d45 (patch) | |
| tree | d531da4006fa7cb2b4c73290edcb4e7696bbee8d /target/linux/mpc85xx/patches-5.15/110-gpio-mpc8xxx-Fix-support-for-IRQ_TYPE_LEVEL_LOW-flow.patch | |
| parent | df59c07fe9e32bd5124871daa400a8c5e2e8d96f (diff) | |
| download | upstream-00643b4584e73949de05ca8c3276a05657ba0d45.tar.gz upstream-00643b4584e73949de05ca8c3276a05657ba0d45.tar.bz2 upstream-00643b4584e73949de05ca8c3276a05657ba0d45.zip | |
mpc85xx: Copy over kernel 5.10 patches and config to 5.15
Split patches for better change visibility.
Signed-off-by: Wojciech Dubowik <Wojciech.Dubowik@westermo.com>
Signed-off-by: Petr Štetiar <ynezz@true.cz> [un-dmarc, commit description]
Diffstat (limited to 'target/linux/mpc85xx/patches-5.15/110-gpio-mpc8xxx-Fix-support-for-IRQ_TYPE_LEVEL_LOW-flow.patch')
| -rw-r--r-- | target/linux/mpc85xx/patches-5.15/110-gpio-mpc8xxx-Fix-support-for-IRQ_TYPE_LEVEL_LOW-flow.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/target/linux/mpc85xx/patches-5.15/110-gpio-mpc8xxx-Fix-support-for-IRQ_TYPE_LEVEL_LOW-flow.patch b/target/linux/mpc85xx/patches-5.15/110-gpio-mpc8xxx-Fix-support-for-IRQ_TYPE_LEVEL_LOW-flow.patch new file mode 100644 index 0000000000..0592da1763 --- /dev/null +++ b/target/linux/mpc85xx/patches-5.15/110-gpio-mpc8xxx-Fix-support-for-IRQ_TYPE_LEVEL_LOW-flow.patch @@ -0,0 +1,39 @@ +From 29af30435022442ec4eccf3166956b8e0b8a2134 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> +Date: Mon, 5 Sep 2022 23:13:47 +0200 +Subject: [PATCH] gpio: mpc8xxx: Fix support for IRQ_TYPE_LEVEL_LOW flow_type + in mpc85xx +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Commit e39d5ef67804 ("powerpc/5xxx: extend mpc8xxx_gpio driver to support +mpc512x gpios") implemented support for IRQ_TYPE_LEVEL_LOW flow type in +mpc512x via falling edge type. Do same for mpc85xx which support was added +in commit 345e5c8a1cc3 ("powerpc: Add interrupt support to mpc8xxx_gpio"). + +Fixes probing of lm90 hwmon driver on mpc85xx based board which use level +interrupt. Without it kernel prints error and refuse lm90 to work: + + [ 15.258370] genirq: Setting trigger mode 8 for irq 49 failed (mpc8xxx_irq_set_type+0x0/0xf8) + [ 15.267168] lm90 0-004c: cannot request IRQ 49 + [ 15.272708] lm90: probe of 0-004c failed with error -22 + +Fixes: 345e5c8a1cc3 ("powerpc: Add interrupt support to mpc8xxx_gpio") +Signed-off-by: Pali Rohár <pali@kernel.org> +--- + drivers/gpio/gpio-mpc8xxx.c | 1 + + 1 file changed, 1 insertion(+) + +Index: linux-5.15.67/drivers/gpio/gpio-mpc8xxx.c +=================================================================== +--- linux-5.15.67.orig/drivers/gpio/gpio-mpc8xxx.c ++++ linux-5.15.67/drivers/gpio/gpio-mpc8xxx.c +@@ -172,6 +172,7 @@ static int mpc8xxx_irq_set_type(struct i + + switch (flow_type) { + case IRQ_TYPE_EDGE_FALLING: ++ case IRQ_TYPE_LEVEL_LOW: + raw_spin_lock_irqsave(&mpc8xxx_gc->lock, flags); + gc->write_reg(mpc8xxx_gc->regs + GPIO_ICR, + gc->read_reg(mpc8xxx_gc->regs + GPIO_ICR) |