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net: phy: qt2025: Wait until PHY becomes ready

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Wait until a PHY becomes ready in the probe callback by
using read_poll_timeout function.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@gmail.com>
Link: https://patch.msgid.link/20251105133126.3221948-1-fujita.tomonori@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
FUJITA Tomonori
2025-11-05 22:31:26 +09:00
committed by Jakub Kicinski
parent c04956cccb
commit 8a25a2e341
1 changed files with 9 additions and 1 deletions
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10
drivers/net/phy/qt2025.rs
View File

@@ -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(())
}