diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-09-27 15:39:40 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-09-27 15:39:40 +0200 |
| commit | 20ac422c8ef753ae0da0c9312443b03c37cfbb5b (patch) | |
| tree | 6476e9fa2504a002b105367007dcb6abc3391b96 /drivers/net/dsa/lantiq_gswip.c | |
| parent | 54fa156bb33ad06077ec709dc2331a4d5ee446f3 (diff) | |
| parent | 5816b3e6577eaa676ceb00a848f0fd65fe2adc29 (diff) | |
| download | linux-20ac422c8ef753ae0da0c9312443b03c37cfbb5b.tar.gz | |
Merge 5.15-rc3 into char-misc next
We need the char/misc fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/dsa/lantiq_gswip.c')
| -rw-r--r-- | drivers/net/dsa/lantiq_gswip.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/net/dsa/lantiq_gswip.c b/drivers/net/dsa/lantiq_gswip.c index 64d6dfa83122..3ff4b7e177f3 100644 --- a/drivers/net/dsa/lantiq_gswip.c +++ b/drivers/net/dsa/lantiq_gswip.c @@ -1885,6 +1885,12 @@ static int gswip_gphy_fw_load(struct gswip_priv *priv, struct gswip_gphy_fw *gph reset_control_assert(gphy_fw->reset); + /* The vendor BSP uses a 200ms delay after asserting the reset line. + * Without this some users are observing that the PHY is not coming up + * on the MDIO bus. + */ + msleep(200); + ret = request_firmware(&fw, gphy_fw->fw_name, dev); if (ret) { dev_err(dev, "failed to load firmware: %s, error: %i\n", @@ -2178,6 +2184,9 @@ static int gswip_remove(struct platform_device *pdev) struct gswip_priv *priv = platform_get_drvdata(pdev); int i; + if (!priv) + return 0; + /* disable the switch */ gswip_mdio_mask(priv, GSWIP_MDIO_GLOB_ENABLE, 0, GSWIP_MDIO_GLOB); @@ -2191,9 +2200,23 @@ static int gswip_remove(struct platform_device *pdev) for (i = 0; i < priv->num_gphy_fw; i++) gswip_gphy_fw_remove(priv, &priv->gphy_fw[i]); + platform_set_drvdata(pdev, NULL); + return 0; } +static void gswip_shutdown(struct platform_device *pdev) +{ + struct gswip_priv *priv = platform_get_drvdata(pdev); + + if (!priv) + return; + + dsa_switch_shutdown(priv->ds); + + platform_set_drvdata(pdev, NULL); +} + static const struct gswip_hw_info gswip_xrx200 = { .max_ports = 7, .cpu_port = 6, @@ -2217,6 +2240,7 @@ MODULE_DEVICE_TABLE(of, gswip_of_match); static struct platform_driver gswip_driver = { .probe = gswip_probe, .remove = gswip_remove, + .shutdown = gswip_shutdown, .driver = { .name = "gswip", .of_match_table = gswip_of_match, |