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PCI: rockchip: dw: Fix suspend support for rk356x

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Migrate to noirq phase and only call rk_pcie_reset_grant_ctrl()
when using in RK1808 platforms.

Change-Id: I629dc121457614b17bcf9a1e1d93e09859a4cb26
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
This commit is contained in:
Shawn Lin
2021-01-07 14:55:19 +08:00
committed by Tao Huang
parent 3b1adb0d79
commit a57c7fa1c7
1 changed files with 7 additions and 5 deletions
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12
drivers/pci/controller/dwc/pcie-dw-rockchip.c
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@@ -1352,9 +1352,11 @@ static int __maybe_unused rockchip_dw_pcie_resume(struct device *dev)
rk_pcie_ep_setup(rk_pcie);
/* hold link reset grant after link-up */
ret = rk_pcie_reset_grant_ctrl(rk_pcie, false);
if (ret)
goto err;
if (rk_pcie->is_rk1808) {
ret = rk_pcie_reset_grant_ctrl(rk_pcie, false);
if (ret)
goto err;
}
dw_pcie_dbi_ro_wr_dis(rk_pcie->pci);
@@ -1368,8 +1370,8 @@ err:
}
static const struct dev_pm_ops rockchip_dw_pcie_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(rockchip_dw_pcie_suspend,
rockchip_dw_pcie_resume)
SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(rockchip_dw_pcie_suspend,
rockchip_dw_pcie_resume)
};
static struct platform_driver rk_plat_pcie_driver = {