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PCI: mediatek: Get optional clocks with devm_clk_get_optional()

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Update the driver to use devm_clk_get_optional() to claim
optional clocks instead of devm_clk_get().

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Ryder Lee <ryder.lee@mediatek.com>
Acked-by: Honghui Zhang <honghui.zhang@mediatek.com>
Cc: Ryder Lee <ryder.lee@mediatek.com>
Cc: Honghui Zhang <honghui.zhang@mediatek.com>
This commit is contained in:
Chunfeng Yun 2019-04-10 14:54:16 +08:00 committed by Lorenzo Pieralisi
parent 9e98c678c2
commit 6be22343cc
1 changed files with 15 additions and 35 deletions
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50
drivers/pci/controller/pcie-mediatek.c
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@ -915,49 +915,29 @@ static int mtk_pcie_parse_port(struct mtk_pcie *pcie,
/* sys_ck might be divided into the following parts in some chips */
snprintf(name, sizeof(name), "ahb_ck%d", slot);
port->ahb_ck = devm_clk_get(dev, name);
if (IS_ERR(port->ahb_ck)) {
if (PTR_ERR(port->ahb_ck) == -EPROBE_DEFER)
return -EPROBE_DEFER;
port->ahb_ck = NULL;
}
port->ahb_ck = devm_clk_get_optional(dev, name);
if (IS_ERR(port->ahb_ck))
return PTR_ERR(port->ahb_ck);
snprintf(name, sizeof(name), "axi_ck%d", slot);
port->axi_ck = devm_clk_get(dev, name);
if (IS_ERR(port->axi_ck)) {
if (PTR_ERR(port->axi_ck) == -EPROBE_DEFER)
return -EPROBE_DEFER;
port->axi_ck = NULL;
}
port->axi_ck = devm_clk_get_optional(dev, name);
if (IS_ERR(port->axi_ck))
return PTR_ERR(port->axi_ck);
snprintf(name, sizeof(name), "aux_ck%d", slot);
port->aux_ck = devm_clk_get(dev, name);
if (IS_ERR(port->aux_ck)) {
if (PTR_ERR(port->aux_ck) == -EPROBE_DEFER)
return -EPROBE_DEFER;
port->aux_ck = NULL;
}
port->aux_ck = devm_clk_get_optional(dev, name);
if (IS_ERR(port->aux_ck))
return PTR_ERR(port->aux_ck);
snprintf(name, sizeof(name), "obff_ck%d", slot);
port->obff_ck = devm_clk_get(dev, name);
if (IS_ERR(port->obff_ck)) {
if (PTR_ERR(port->obff_ck) == -EPROBE_DEFER)
return -EPROBE_DEFER;
port->obff_ck = NULL;
}
port->obff_ck = devm_clk_get_optional(dev, name);
if (IS_ERR(port->obff_ck))
return PTR_ERR(port->obff_ck);
snprintf(name, sizeof(name), "pipe_ck%d", slot);
port->pipe_ck = devm_clk_get(dev, name);
if (IS_ERR(port->pipe_ck)) {
if (PTR_ERR(port->pipe_ck) == -EPROBE_DEFER)
return -EPROBE_DEFER;
port->pipe_ck = NULL;
}
port->pipe_ck = devm_clk_get_optional(dev, name);
if (IS_ERR(port->pipe_ck))
return PTR_ERR(port->pipe_ck);
snprintf(name, sizeof(name), "pcie-rst%d", slot);
port->reset = devm_reset_control_get_optional_exclusive(dev, name);