summaryrefslogtreecommitdiffstats
path: root/drivers/gpio
diff options
context:
space:
mode:
authorBaolin Wang2019-04-10 09:47:54 +0200
committerGreg Kroah-Hartman2019-05-02 09:58:53 +0200
commita19e4a1b4c63c3c3fd151ec443b395bcaeba59bd (patch)
tree03016f3c71d9d3076636acc81ec9a42efb806af7 /drivers/gpio
parenttracing: Fix buffer_ref pipe ops (diff)
downloadkernel-qcow2-linux-a19e4a1b4c63c3c3fd151ec443b395bcaeba59bd.tar.gz
kernel-qcow2-linux-a19e4a1b4c63c3c3fd151ec443b395bcaeba59bd.tar.xz
kernel-qcow2-linux-a19e4a1b4c63c3c3fd151ec443b395bcaeba59bd.zip
gpio: eic: sprd: Fix incorrect irq type setting for the sync EIC
commit 102bbe34b31c9159e714432afd64458f6f3876d7 upstream. When setting sync EIC as IRQ_TYPE_EDGE_BOTH type, we missed to set the SPRD_EIC_SYNC_INTMODE register to 0, which means detecting edge signals. Thus this patch fixes the issue. Fixes: 25518e024e3a ("gpio: Add Spreadtrum EIC driver support") Cc: <stable@vger.kernel.org> Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-eic-sprd.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-eic-sprd.c b/drivers/gpio/gpio-eic-sprd.c
index e41223c05f6e..6cf2e2ce4093 100644
--- a/drivers/gpio/gpio-eic-sprd.c
+++ b/drivers/gpio/gpio-eic-sprd.c
@@ -414,6 +414,7 @@ static int sprd_eic_irq_set_type(struct irq_data *data, unsigned int flow_type)
irq_set_handler_locked(data, handle_edge_irq);
break;
case IRQ_TYPE_EDGE_BOTH:
+ sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTMODE, 0);
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTBOTH, 1);
irq_set_handler_locked(data, handle_edge_irq);
break;