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authorLinus Torvalds <torvalds@linux-foundation.org>2019-07-09 09:47:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-07-09 09:47:22 -0700
commited63b9c873601ca113da5c7b1745e3946493e9f3 (patch)
tree94e96db2b79a8d123c0645dd64b3830bc4d20bfe /drivers/media/platform/cec-gpio/cec-gpio.c
parent947fbd4ca9fb38f320b076e68cfccab977c5ea01 (diff)
parentf81cbfc4f82a75ca0a2dc181a9c93b88f0e6509d (diff)
Merge tag 'media/v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab: - new Atmel microship ISC driver - coda has gained support for mpeg2 and mpeg4 - cxusb gained support for analog TV - rockchip staging driver was split into two separate staging drivers - added a new staging driver for Allegro DVT video IP core - added a new staging driver for Amlogic Meson video decoder - lots of improvements and cleanups * tag 'media/v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (398 commits) media: allegro: use new v4l2_m2m_ioctl_try_encoder_cmd funcs media: doc-rst: Fix typos media: radio-raremono: change devm_k*alloc to k*alloc media: stv0297: fix frequency range limit media: rc: Prefer KEY_NUMERIC_* for number buttons on remotes media: dvb_frontend: split dvb_frontend_handle_ioctl function media: mceusb: disable "nonsensical irdata" messages media: rc: remove redundant dev_err message media: cec-notifier: add new notifier functions media: cec: add struct cec_connector_info support media: cec-notifier: rename variables, check kstrdup and n->conn_name media: MAINTAINERS: Add maintainers for Media Controller media: staging: media: tegra-vde: Defer dmabuf's unmapping media: staging: media: tegra-vde: Add IOMMU support media: hdpvr: fix locking and a missing msleep media: v4l2: Test type instead of cfg->type in v4l2_ctrl_new_custom() media: atmel: atmel-isc: fix i386 build error media: v4l2-ctrl: Move compound control initialization media: hantro: Use vb2_get_buffer media: pci: cx88: Change the type of 'missed' to u64 ...
Diffstat (limited to 'drivers/media/platform/cec-gpio/cec-gpio.c')
-rw-r--r--drivers/media/platform/cec-gpio/cec-gpio.c28
1 files changed, 11 insertions, 17 deletions
diff --git a/drivers/media/platform/cec-gpio/cec-gpio.c b/drivers/media/platform/cec-gpio/cec-gpio.c
index d2861749d640..5b17d3a31896 100644
--- a/drivers/media/platform/cec-gpio/cec-gpio.c
+++ b/drivers/media/platform/cec-gpio/cec-gpio.c
@@ -17,7 +17,6 @@ struct cec_gpio {
struct gpio_desc *cec_gpio;
int cec_irq;
bool cec_is_low;
- bool cec_have_irq;
struct gpio_desc *hpd_gpio;
int hpd_irq;
@@ -55,9 +54,6 @@ static void cec_gpio_low(struct cec_adapter *adap)
if (cec->cec_is_low)
return;
- if (WARN_ON_ONCE(cec->cec_have_irq))
- free_irq(cec->cec_irq, cec);
- cec->cec_have_irq = false;
cec->cec_is_low = true;
gpiod_set_value(cec->cec_gpio, 0);
}
@@ -114,14 +110,7 @@ static bool cec_gpio_enable_irq(struct cec_adapter *adap)
{
struct cec_gpio *cec = cec_get_drvdata(adap);
- if (cec->cec_have_irq)
- return true;
-
- if (request_irq(cec->cec_irq, cec_gpio_irq_handler,
- IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
- adap->name, cec))
- return false;
- cec->cec_have_irq = true;
+ enable_irq(cec->cec_irq);
return true;
}
@@ -129,9 +118,7 @@ static void cec_gpio_disable_irq(struct cec_adapter *adap)
{
struct cec_gpio *cec = cec_get_drvdata(adap);
- if (cec->cec_have_irq)
- free_irq(cec->cec_irq, cec);
- cec->cec_have_irq = false;
+ disable_irq(cec->cec_irq);
}
static void cec_gpio_status(struct cec_adapter *adap, struct seq_file *file)
@@ -139,8 +126,7 @@ static void cec_gpio_status(struct cec_adapter *adap, struct seq_file *file)
struct cec_gpio *cec = cec_get_drvdata(adap);
seq_printf(file, "mode: %s\n", cec->cec_is_low ? "low-drive" : "read");
- if (cec->cec_have_irq)
- seq_printf(file, "using irq: %d\n", cec->cec_irq);
+ seq_printf(file, "using irq: %d\n", cec->cec_irq);
if (cec->hpd_gpio)
seq_printf(file, "hpd: %s\n",
cec->hpd_is_high ? "high" : "low");
@@ -215,6 +201,14 @@ static int cec_gpio_probe(struct platform_device *pdev)
if (IS_ERR(cec->adap))
return PTR_ERR(cec->adap);
+ ret = devm_request_irq(dev, cec->cec_irq, cec_gpio_irq_handler,
+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
+ cec->adap->name, cec);
+ if (ret)
+ return ret;
+
+ cec_gpio_disable_irq(cec->adap);
+
if (cec->hpd_gpio) {
cec->hpd_irq = gpiod_to_irq(cec->hpd_gpio);
ret = devm_request_threaded_irq(dev, cec->hpd_irq,