Re: [PATCH 2/2] powerpc/usb: fix bug of CPU hang when missing USB PHY clock
- From
- Tabi Timur-B04825 <hidden>
- Date
- 2012-08-21 02:31:10
- Reply to
- Shengzhou Liu, 2012-08-10
On Fri, Aug 10, 2012 at 5:48 AM, Shengzhou Liu [off-list ref] wrote:
quoted hunk ↗ jump to hunk
+ for (timeout =3D 1000; timeout > 0; timeout--) { + /* check PHY_CLK_VALID to get phy clk valid */ + if (in_be32(non_ehci + FSL_SOC_USB_CTRL) + & PHY_CLK_VALID) + break; + udelay(1); + }
Use spin_event_timeout() instead. --=20 Timur Tabi Linux kernel developer at Freescale=