On Fri, Sep 27, 2019 at 11:45:55AM +0200, Thomas Petazzoni wrote: > On Fri, 27 Sep 2019 10:55:02 +0200 > Remi Pommarel <repk@xxxxxxxxxxxx> wrote: > > > advk_pcie_wait_pio() can be called while holding a spinlock (from > > pci_bus_read_config_dword()), then depends on jiffies in order to > > timeout while polling on PIO state registers. In the case the PIO > > transaction failed, the timeout will never happen and will also cause > > the cpu to stall. > > > > This decrements a variable and wait instead of using jiffies. > > > > Signed-off-by: Remi Pommarel <repk@xxxxxxxxxxxx> > > Acked-by: Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxx> > Reviewed-by: Andrew Murray <andrew.murray@xxxxxxx> > Thanks! > > Thomas > -- > Thomas Petazzoni, CTO, Bootlin > Embedded Linux and Kernel engineering > https://bootlin.com
