On Tue, Apr 18, 2017 at 08:44:30PM +0200, Lukas Wunner wrote: > Laurent Pinchart reported that the Renesas R-Car H2 Lager board > (r8a7790) crashes during suspend tests. Geert Uytterhoeven managed to > reproduce the issue on an M2-W Koelsch board (r8a7791): > > It occurs when the PME scan runs, once per second. During PME scan, the > PCI host bridge (rcar-pci) registers are accessed while its module clock > has already been disabled, leading to the crash. Cool! I stumbled over this while testing I2C suspend behaviour the last days, and I can confirm that the crash is gone with this patch on my Lager board. Thanks! Tested-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
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