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536f051b97
Add and enable a new kconfig knob to disable unprivileged eBPF by default. Patches automatically rebased. Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
98 lines
2.9 KiB
Diff
98 lines
2.9 KiB
Diff
From a2d9c86df8d12646f5bf66920e4f1e6d940cfc62 Mon Sep 17 00:00:00 2001
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From: Pawel Dembicki <paweldembicki@gmail.com>
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Date: Fri, 18 Jun 2021 13:25:33 +0200
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Subject: [PATCH 2/2] power: reset: linkstation-poweroff: add new device
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This commit introduces support for NETGEAR ReadyNAS Duo v2.
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This device use bit 4 of LED[2:0] Polarity Control Register to indicate
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AC Power loss.
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For more details about AC loss detection in NETGEAR ReadyNAS Duo v2,
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please look at the file:
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RND_5.3.13_WW.src/u-boot/board/mv_feroceon/mv_hal/usibootup/usibootup.c
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from Netgear GPL sources.
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Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
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---
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drivers/power/reset/linkstation-poweroff.c | 43 ++++++++++++++++++++++
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1 file changed, 43 insertions(+)
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--- a/drivers/power/reset/linkstation-poweroff.c
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+++ b/drivers/power/reset/linkstation-poweroff.c
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@@ -19,6 +19,7 @@
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#define MII_MARVELL_PHY_PAGE 22
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#define MII_PHY_LED_CTRL 16
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+#define MII_PHY_LED_POL_CTRL 17
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#define MII_88E1318S_PHY_LED_TCR 18
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#define MII_88E1318S_PHY_WOL_CTRL 16
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#define MII_M1011_IEVENT 19
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@@ -29,6 +30,8 @@
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#define LED2_FORCE_ON (0x8 << 8)
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#define LEDMASK GENMASK(11,8)
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+#define MII_88E1318S_PHY_LED_POL_LED2 BIT(4)
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+
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struct power_off_cfg {
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char *mdio_node_name;
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void (*phy_set_reg)(bool restart);
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@@ -76,11 +79,48 @@ err:
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dev_err(&phydev->mdio.dev, "Write register failed, %d\n", rc);
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}
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+static void readynas_mvphy_set_reg(bool restart)
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+{
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+ int rc = 0, saved_page;
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+ u16 data = 0;
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+
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+ if(restart)
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+ data = MII_88E1318S_PHY_LED_POL_LED2;
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+
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+ saved_page = phy_select_page(phydev, MII_MARVELL_LED_PAGE);
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+ if (saved_page < 0)
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+ goto err;
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+
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+ /* Set the LED[2].0 Polarity bit to the required state */
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+ __phy_modify(phydev, MII_PHY_LED_POL_CTRL,
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+ MII_88E1318S_PHY_LED_POL_LED2, data);
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+
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+ if (!data) {
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+
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+ /* If WOL was enabled and a magic packet was received before powering
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+ * off, we won't be able to wake up by sending another magic packet.
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+ * Clear WOL status.
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+ */
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+ __phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_MARVELL_WOL_PAGE);
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+ __phy_set_bits(phydev, MII_88E1318S_PHY_WOL_CTRL,
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+ MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS);
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+ }
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+err:
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+ rc = phy_restore_page(phydev, saved_page, rc);
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+ if (rc < 0)
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+ dev_err(&phydev->mdio.dev, "Write register failed, %d\n", rc);
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+}
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+
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static const struct power_off_cfg linkstation_power_off_cfg = {
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.mdio_node_name = "mdio",
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.phy_set_reg = linkstation_mvphy_reg_intn,
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};
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+static const struct power_off_cfg readynas_power_off_cfg = {
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+ .mdio_node_name = "mdio-bus",
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+ .phy_set_reg = readynas_mvphy_set_reg,
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+};
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+
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static int linkstation_reboot_notifier(struct notifier_block *nb,
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unsigned long action, void *unused)
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{
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@@ -109,6 +149,9 @@ static const struct of_device_id ls_powe
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{ .compatible = "buffalo,ls421de",
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.data = &linkstation_power_off_cfg,
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},
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+ { .compatible = "netgear,readynas-duo-v2",
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+ .data = &readynas_power_off_cfg,
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+ },
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{ },
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};
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