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| author | David S. Miller <davem@davemloft.net> | 2019-12-31 13:37:13 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-12-31 13:37:13 -0800 |
| commit | 31d518f35e1a80268a24a855be9477eb458540ad (patch) | |
| tree | 28494f630aede8f95d4ed2ebbfd14c222bd24fa6 /drivers/gpio/gpiolib.c | |
| parent | 9e860947d8d7a1504476ac49abfce90a4ce600f3 (diff) | |
| parent | 738d2902773e30939a982c8df7a7f94293659810 (diff) | |
| download | linux-31d518f35e1a80268a24a855be9477eb458540ad.tar.gz linux-31d518f35e1a80268a24a855be9477eb458540ad.tar.bz2 linux-31d518f35e1a80268a24a855be9477eb458540ad.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Simple overlapping changes in bpf land wrt. bpf_helper_defs.h
handling.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/gpio/gpiolib.c')
| -rw-r--r-- | drivers/gpio/gpiolib.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 9913886ede90..78a16e42f222 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -220,6 +220,14 @@ int gpiod_get_direction(struct gpio_desc *desc) chip = gpiod_to_chip(desc); offset = gpio_chip_hwgpio(desc); + /* + * Open drain emulation using input mode may incorrectly report + * input here, fix that up. + */ + if (test_bit(FLAG_OPEN_DRAIN, &desc->flags) && + test_bit(FLAG_IS_OUT, &desc->flags)) + return 0; + if (!chip->get_direction) return -ENOTSUPP; @@ -4472,8 +4480,9 @@ static struct gpio_desc *gpiod_find(struct device *dev, const char *con_id, if (chip->ngpio <= p->chip_hwnum) { dev_err(dev, - "requested GPIO %d is out of range [0..%d] for chip %s\n", - idx, chip->ngpio, chip->label); + "requested GPIO %u (%u) is out of range [0..%u] for chip %s\n", + idx, p->chip_hwnum, chip->ngpio - 1, + chip->label); return ERR_PTR(-EINVAL); } |