From: Chunfeng Yun <chunfeng.yun@mediatek.com>
To: Ryder Lee <ryder.lee@mediatek.com>,
Honghui Zhang <honghui.zhang@mediatek.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
<linux-pci@vger.kernel.org>, <linux-mediatek@lists.infradead.org>,
<linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
Chunfeng Yun <chunfeng.yun@mediatek.com>
Subject: [PATCH] PCI: mediatek: get optional clock by devm_clk_get_optional()
Date: Sat, 30 Mar 2019 18:00:51 +0800 [thread overview]
Message-ID: <1553940051-10367-1-git-send-email-chunfeng.yun@mediatek.com> (raw)
Use devm_clk_get_optional() to get optional clock
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
drivers/pci/controller/pcie-mediatek.c | 46 ++++++--------------------
1 file changed, 11 insertions(+), 35 deletions(-)
diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c
index 0b6c72804e03..9a66a018489b 100644
--- a/drivers/pci/controller/pcie-mediatek.c
+++ b/drivers/pci/controller/pcie-mediatek.c
@@ -915,49 +915,25 @@ 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);
+ 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);
+ 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);
+ 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);
+ return PTR_ERR(port->pipe_ck);
snprintf(name, sizeof(name), "pcie-rst%d", slot);
port->reset = devm_reset_control_get_optional_exclusive(dev, name);
--
2.20.1
next reply other threads:[~2019-03-30 10:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-30 10:00 Chunfeng Yun [this message]
2019-03-31 0:45 ` [PATCH] PCI: mediatek: get optional clock by devm_clk_get_optional() Honghui Zhang
2019-03-31 10:10 ` Ryder Lee
2019-03-31 12:40 ` Chunfeng Yun
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