| Message ID | 20210430155429.35034-1-ameynarkhede03@gmail.com |
|---|---|
| State | New |
| Headers | show |
| Series | [v2] PCI: mediatek: Check return value of clk_prepare_enable | expand |
diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c index 23548b517..9bdae34cc 100644 --- a/drivers/pci/controller/pcie-mediatek.c +++ b/drivers/pci/controller/pcie-mediatek.c @@ -1154,11 +1154,16 @@ static int __maybe_unused mtk_pcie_resume_noirq(struct device *dev) { struct mtk_pcie *pcie = dev_get_drvdata(dev); struct mtk_pcie_port *port, *tmp; + int ret; if (list_empty(&pcie->ports)) return 0; - clk_prepare_enable(pcie->free_ck); + ret = clk_prepare_enable(pcie->free_ck); + if (ret) { + dev_err(dev, "Failed to enable free_ck clock\n"); + return ret; + } list_for_each_entry_safe(port, tmp, &pcie->ports, list) mtk_pcie_enable_port(port);
In case when free_ck clock is not enabled during device resume check the return value of clk_prepare_enable() and return the error after printing it. Signed-off-by: Amey Narkhede <ameynarkhede03@gmail.com> --- Changes in v2: - Print the error before returning - Clarify commit log drivers/pci/controller/pcie-mediatek.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) -- 2.31.1