| Message ID | 20241016035214.2229-9-fujita.tomonori@gmail.com (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | rust: Add IO polling | expand |
On Wed, Oct 16, 2024 at 5:54 AM FUJITA Tomonori <fujita.tomonori@gmail.com> wrote: > > Wait until a PHY becomes ready in the probe callback by > using readx_poll_timeout function. > > Signed-off-by: FUJITA Tomonori <fujita.tomonori@gmail.com> Reviewed-by: Alice Ryhl <aliceryhl@google.com>
diff --git a/drivers/net/phy/qt2025.rs b/drivers/net/phy/qt2025.rs index 1ab065798175..dabb772c468f 100644 --- a/drivers/net/phy/qt2025.rs +++ b/drivers/net/phy/qt2025.rs @@ -18,7 +18,9 @@ Driver, }; use kernel::prelude::*; +use kernel::readx_poll_timeout; use kernel::sizes::{SZ_16K, SZ_8K}; +use kernel::time::Delta; kernel::module_phy_driver! { drivers: [PhyQT2025], @@ -93,7 +95,13 @@ fn probe(dev: &mut phy::Device) -> Result<()> { // The micro-controller will start running from SRAM. dev.write(C45::new(Mmd::PCS, 0xe854), 0x0040)?; - // TODO: sleep here until the hw becomes ready. + readx_poll_timeout!( + || dev.read(C45::new(Mmd::PCS, 0xd7fd)), + |val| val != 0x00 && val != 0x10, + Delta::from_millis(50), + Delta::from_secs(3) + )?; + Ok(()) }
Wait until a PHY becomes ready in the probe callback by using readx_poll_timeout function. Signed-off-by: FUJITA Tomonori <fujita.tomonori@gmail.com> --- drivers/net/phy/qt2025.rs | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-)