Adrian Bunk wrote:
This patch fixes an obvious bug (loop was never entered) caused by
commit 820943b6fc4781621dee52ba026106758a727dd3
(pciehp: cleanup pcie_poll_cmd).
Reported-by: Adrian Bunk <bunk@xxxxxxxxxx>
Signed-off-by: Adrian Bunk <bunk@xxxxxxxxxx>
---
0cca78f4b7c7d6c7b64ae5acc08bb641454b4835
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index ab31f5b..9d934dd 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -250,23 +250,23 @@ static inline void pciehp_free_irq(struct controller *ctrl)
static int pcie_poll_cmd(struct controller *ctrl)
{
u16 slot_status;
int timeout = 1000;
if (!pciehp_readw(ctrl, SLOTSTATUS, &slot_status)) {
if (slot_status & CMD_COMPLETED) {
pciehp_writew(ctrl, SLOTSTATUS, CMD_COMPLETED);
return 1;
}
}
- while (timeout > 1000) {
+ while (timeout > 0) {
msleep(10);
timeout -= 10;
if (!pciehp_readw(ctrl, SLOTSTATUS, &slot_status)) {
if (slot_status & CMD_COMPLETED) {
pciehp_writew(ctrl, SLOTSTATUS, CMD_COMPLETED);
return 1;
}
}
}
return 0; /* timeout */
}
Sorry, that's my bad.
Thank you for the patch, Adrian.
Acked-by: Kenji Kaneshige <kaneshige.kenji@xxxxxxxxxxxxxx>
Thanks,
Kenji Kaneshige
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