diff options
| author | Baruch Siach <baruch@tkos.co.il> | 2019-02-03 15:15:39 +0200 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2019-02-11 09:39:12 +0100 |
| commit | 6664a0e5f3694592966c92ec4a0547ad77b84a9a (patch) | |
| tree | bd87330a44eaac35afa15e14906d6bfc0f1d016a /drivers/pci | |
| parent | f301ba55c877707e15378401247cc828740ba00e (diff) | |
pcie: designware: mvebu: fix reset release polarity
The dm_gpio_set_value() routine sets signal logical level, with
GPIO_ACTIVE_LOW/HIGH value taken into account. Reset active value is 1
(asserted), while reset inactive value is 0 (de-asserted). Fix the reset
toggle code to set the correct reset logic value.
Reported-by: Sven Auhagen <sven.auhagen@voleatech.de>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Reviewed-by: Stefan Roese <sr@denx.de>
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/pcie_dw_mvebu.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/pci/pcie_dw_mvebu.c b/drivers/pci/pcie_dw_mvebu.c index 8081005c27..95fb41966f 100644 --- a/drivers/pci/pcie_dw_mvebu.c +++ b/drivers/pci/pcie_dw_mvebu.c @@ -489,7 +489,9 @@ static int pcie_dw_mvebu_probe(struct udevice *dev) * using this GPIO. */ if (dm_gpio_is_valid(&reset_gpio)) { - dm_gpio_set_value(&reset_gpio, 1); + dm_gpio_set_value(&reset_gpio, 1); /* assert */ + mdelay(200); + dm_gpio_set_value(&reset_gpio, 0); /* de-assert */ mdelay(200); } #else |