From 8a25a2e34157d882032112e4194ccdfb29c499e8 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Wed, 5 Nov 2025 22:31:26 +0900 Subject: [PATCH] net: phy: qt2025: Wait until PHY becomes ready Wait until a PHY becomes ready in the probe callback by using read_poll_timeout function. Reviewed-by: Andrew Lunn Reviewed-by: Alice Ryhl Reviewed-by: Gary Guo Signed-off-by: FUJITA Tomonori Link: https://patch.msgid.link/20251105133126.3221948-1-fujita.tomonori@gmail.com Signed-off-by: Jakub Kicinski --- drivers/net/phy/qt2025.rs | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/net/phy/qt2025.rs b/drivers/net/phy/qt2025.rs index 0b9400dcb4c10..aaaead6512a01 100644 --- a/drivers/net/phy/qt2025.rs +++ b/drivers/net/phy/qt2025.rs @@ -12,6 +12,7 @@ use kernel::c_str; use kernel::error::code; use kernel::firmware::Firmware; +use kernel::io::poll::read_poll_timeout; use kernel::net::phy::{ self, reg::{Mmd, C45}, @@ -19,6 +20,7 @@ use kernel::net::phy::{ }; use kernel::prelude::*; use kernel::sizes::{SZ_16K, SZ_8K}; +use kernel::time::Delta; kernel::module_phy_driver! { drivers: [PhyQT2025], @@ -93,7 +95,13 @@ impl Driver for PhyQT2025 { // The micro-controller will start running from SRAM. dev.write(C45::new(Mmd::PCS, 0xe854), 0x0040)?; - // TODO: sleep here until the hw becomes ready. + read_poll_timeout( + || dev.read(C45::new(Mmd::PCS, 0xd7fd)), + |val| *val != 0x00 && *val != 0x10, + Delta::from_millis(50), + Delta::from_secs(3), + )?; + Ok(()) } -- 2.47.3