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Merge branch 'remotes/lorenzo/pci/rcar'

Browse source 
- Fix aarch32 abort handler so it doesn't check the wrong bus clock before
  accessing the host controller (Marek Vasut)

* remotes/lorenzo/pci/rcar:
  PCI: rcar: Check if device is runtime suspended instead of __clk_is_enabled()
This commit is contained in:
Bjorn Helgaas 2022-01-13 09:57:50 -06:00
commit 4ceca42d39
1 changed files with 5 additions and 5 deletions
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10
drivers/pci/controller/pcie-rcar-host.c
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@ -50,10 +50,10 @@ struct rcar_msi {
*/
static void __iomem *pcie_base;
/*
* Static copy of bus clock pointer, so we can check whether the clock
* is enabled or not.
* Static copy of PCIe device pointer, so we can check whether the
* device is runtime suspended or not.
*/
static struct clk *pcie_bus_clk;
static struct device *pcie_dev;
#endif
/* Structure representing the PCIe interface */
@ -792,7 +792,7 @@ static int rcar_pcie_get_resources(struct rcar_pcie_host *host)
#ifdef CONFIG_ARM
/* Cache static copy for L1 link state fixup hook on aarch32 */
pcie_base = pcie->base;
pcie_bus_clk = host->bus_clk;
pcie_dev = pcie->dev;
#endif
return 0;
@ -1062,7 +1062,7 @@ static int rcar_pcie_aarch32_abort_handler(unsigned long addr,
spin_lock_irqsave(&pmsr_lock, flags);
if (!pcie_base || !__clk_is_enabled(pcie_bus_clk)) {
if (!pcie_base || pm_runtime_suspended(pcie_dev)) {
ret = 1;
goto unlock_exit;
}