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| author | Chuanhong Guo <gch981213@gmail.com> | 2018-07-24 21:19:04 +0800 |
|---|---|---|
| committer | John Crispin <john@phrozen.org> | 2018-07-30 10:43:35 +0200 |
| commit | f593020a288bc38ed5f7d0ec6a3b70fa8f1e8bf6 (patch) | |
| tree | fa9db210d8669e090bad468ffc6ee06edc27ade5 /target/linux/ath79/files | |
| parent | a5fa6b3825c18058e6b2e5370041fa6cd9c81d12 (diff) | |
| download | upstream-f593020a288bc38ed5f7d0ec6a3b70fa8f1e8bf6.tar.gz upstream-f593020a288bc38ed5f7d0ec6a3b70fa8f1e8bf6.tar.bz2 upstream-f593020a288bc38ed5f7d0ec6a3b70fa8f1e8bf6.zip | |
ath79: ag71xx: assert a switch reset if defined in dts.
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
Diffstat (limited to 'target/linux/ath79/files')
| -rw-r--r-- | target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar7240.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar7240.c b/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar7240.c index f91144da6e..173c16a53d 100644 --- a/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar7240.c +++ b/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar7240.c @@ -1218,6 +1218,7 @@ ag71xx_ar7240_probe(struct mdio_device *mdiodev) struct mii_bus *mii = mdiodev->bus; struct ar7240sw *as; struct switch_dev *swdev; + struct reset_control *switch_reset; u32 ctrl; int phy_if_mode, err, i; @@ -1231,6 +1232,14 @@ ag71xx_ar7240_probe(struct mdio_device *mdiodev) swdev = &as->swdev; + switch_reset = devm_reset_control_get_optional(&mdiodev->dev, "switch"); + if (switch_reset) { + reset_control_assert(switch_reset); + msleep(50); + reset_control_deassert(switch_reset); + msleep(200); + } + ctrl = ar7240sw_reg_read(mii, AR7240_REG_MASK_CTRL); as->ver = (ctrl >> AR7240_MASK_CTRL_VERSION_S) & AR7240_MASK_CTRL_VERSION_M; |