From a8d9ca7ede5f98a03b170933d2cef7eea15ad638 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ond=C5=99ej=20Jirman?= Date: Tue, 23 Nov 2021 17:57:06 +0100 Subject: [PATCH 334/480] usb: typec: fusb302: Update VBUS state even if VBUS interrupt is not triggered This seems to improve robustness. Signed-off-by: Ondrej Jirman --- drivers/usb/typec/tcpm/fusb302.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/usb/typec/tcpm/fusb302.c b/drivers/usb/typec/tcpm/fusb302.c index c30f93ec78fa..16c3f8d94a9d 100644 --- a/drivers/usb/typec/tcpm/fusb302.c +++ b/drivers/usb/typec/tcpm/fusb302.c @@ -1716,14 +1716,16 @@ static void fusb302_irq_work(struct work_struct *work) fusb302_print_state(chip); - if (interrupt & FUSB_REG_INTERRUPT_VBUSOK) { - vbus_present = !!(status0 & FUSB_REG_STATUS0_VBUSOK); + vbus_present = !!(status0 & FUSB_REG_STATUS0_VBUSOK); + if (interrupt & FUSB_REG_INTERRUPT_VBUSOK) fusb302_log(chip, "IRQ: VBUS_OK, vbus=%s", str_on_off(vbus_present)); - if (vbus_present != chip->vbus_present) { - chip->vbus_present = vbus_present; - tcpm_vbus_change(chip->tcpm_port); - } + if (vbus_present != chip->vbus_present) { + chip->vbus_present = vbus_present; + if (!(interrupt & FUSB_REG_INTERRUPT_VBUSOK)) + fusb302_log(chip, "IRQ: VBUS changed without interrupt, vbus=%s", + str_on_off(vbus_present)); + tcpm_vbus_change(chip->tcpm_port); } if (interrupta & FUSB_REG_INTERRUPTA_TOGDONE) { -- 2.49.0