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> Thanks! Thomas -- Thomas Petazzoni, CTO, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
