lkml.org 
[lkml]   [2019]   [Mar]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] PCI: mediatek: get optional clock by devm_clk_get_optional()
Date
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
\
 
 \ /
  Last update: 2019-03-30 11:02    [W:0.105 / U:0.136 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site