diff options
Diffstat (limited to 'target/linux/kirkwood/patches-5.4/800-power-reset-linkstation-poweroff-prepare-for-new-dev.patch')
| -rw-r--r-- | target/linux/kirkwood/patches-5.4/800-power-reset-linkstation-poweroff-prepare-for-new-dev.patch | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/target/linux/kirkwood/patches-5.4/800-power-reset-linkstation-poweroff-prepare-for-new-dev.patch b/target/linux/kirkwood/patches-5.4/800-power-reset-linkstation-poweroff-prepare-for-new-dev.patch new file mode 100644 index 0000000000..03253cfe83 --- /dev/null +++ b/target/linux/kirkwood/patches-5.4/800-power-reset-linkstation-poweroff-prepare-for-new-dev.patch @@ -0,0 +1,106 @@ +From 11cab9f5cd9390cd83747e579957c8f5b807c09c Mon Sep 17 00:00:00 2001 +From: Pawel Dembicki <paweldembicki@gmail.com> +Date: Fri, 18 Jun 2021 12:37:27 +0200 +Subject: [PATCH 1/2] power: reset: linkstation-poweroff: prepare for new + devices + +This commit prepare driver for another device support. + +New power_off_cfg structure describes two most important things: name of +mdio bus and pointer to register setting function. It allow to add new +device with different mdio bus node and other phy register config. + +Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com> +--- + drivers/power/reset/linkstation-poweroff.c | 35 ++++++++++++++++++---- + 1 file changed, 29 insertions(+), 6 deletions(-) + +diff --git a/drivers/power/reset/linkstation-poweroff.c b/drivers/power/reset/linkstation-poweroff.c +index f1e843df0e16..8691cf98600d 100644 +--- a/drivers/power/reset/linkstation-poweroff.c ++++ b/drivers/power/reset/linkstation-poweroff.c +@@ -29,11 +29,21 @@ + #define LED2_FORCE_ON (0x8 << 8) + #define LEDMASK GENMASK(11,8) + ++struct power_off_cfg { ++ char *mdio_node_name; ++ void (*phy_set_reg)(bool restart); ++}; ++ + static struct phy_device *phydev; ++static const struct power_off_cfg *cfg; + +-static void mvphy_reg_intn(u16 data) ++static void linkstation_mvphy_reg_intn(bool restart) + { + int rc = 0, saved_page; ++ u16 data = 0; ++ ++ if(restart) ++ data = MII_88E1318S_PHY_LED_TCR_FORCE_INT; + + saved_page = phy_select_page(phydev, MII_MARVELL_LED_PAGE); + if (saved_page < 0) +@@ -66,11 +76,16 @@ static void mvphy_reg_intn(u16 data) + dev_err(&phydev->mdio.dev, "Write register failed, %d\n", rc); + } + ++static const struct power_off_cfg linkstation_power_off_cfg = { ++ .mdio_node_name = "mdio", ++ .phy_set_reg = linkstation_mvphy_reg_intn, ++}; ++ + static int linkstation_reboot_notifier(struct notifier_block *nb, + unsigned long action, void *unused) + { + if (action == SYS_RESTART) +- mvphy_reg_intn(MII_88E1318S_PHY_LED_TCR_FORCE_INT); ++ cfg->phy_set_reg(true); + + return NOTIFY_DONE; + } +@@ -82,14 +97,18 @@ static struct notifier_block linkstation_reboot_nb = { + static void linkstation_poweroff(void) + { + unregister_reboot_notifier(&linkstation_reboot_nb); +- mvphy_reg_intn(0); ++ cfg->phy_set_reg(false); + + kernel_restart("Power off"); + } + + static const struct of_device_id ls_poweroff_of_match[] = { +- { .compatible = "buffalo,ls421d" }, +- { .compatible = "buffalo,ls421de" }, ++ { .compatible = "buffalo,ls421d", ++ .data = &linkstation_power_off_cfg, ++ }, ++ { .compatible = "buffalo,ls421de", ++ .data = &linkstation_power_off_cfg, ++ }, + { }, + }; + +@@ -97,13 +116,17 @@ static int __init linkstation_poweroff_init(void) + { + struct mii_bus *bus; + struct device_node *dn; ++ const struct of_device_id *match; + + dn = of_find_matching_node(NULL, ls_poweroff_of_match); + if (!dn) + return -ENODEV; + of_node_put(dn); + +- dn = of_find_node_by_name(NULL, "mdio"); ++ match = of_match_node(ls_poweroff_of_match, dn); ++ cfg = match->data; ++ ++ dn = of_find_node_by_name(NULL, cfg->mdio_node_name); + if (!dn) + return -ENODEV; + +-- +2.25.1 + |