4.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Brian Norris <briannorris@xxxxxxxxxxxx>
commit a45e2611b9bbd81288d97d02ce7e74a60a698d43 upstream.
We're trying to mask out bits[23:8] while retaining [32:24, 7:0], but we're
doing the inverse. That doesn't have too much effect, since we're setting
all the [23:8] bits to 1, and the other bits are only relevant for modes
we're currently not using. But we should get this right.
Fixes: ca1989084054 ("PCI: rockchip: Fix wrong transmitted FTS count")
Signed-off-by: Brian Norris <briannorris@xxxxxxxxxxxx>
Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
Acked-by: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/pci/host/pcie-rockchip.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/pci/host/pcie-rockchip.c
+++ b/drivers/pci/host/pcie-rockchip.c
@@ -533,7 +533,7 @@ static int rockchip_pcie_init_port(struc
/* Fix the transmitted FTS count desired to exit from L0s. */
status = rockchip_pcie_read(rockchip, PCIE_CORE_CTRL_PLC1);
- status = (status & PCIE_CORE_CTRL_PLC1_FTS_MASK) |
+ status = (status & ~PCIE_CORE_CTRL_PLC1_FTS_MASK) |
(PCIE_CORE_CTRL_PLC1_FTS_CNT << PCIE_CORE_CTRL_PLC1_FTS_SHIFT);
rockchip_pcie_write(rockchip, status, PCIE_CORE_CTRL_PLC1);
--
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