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Subject[PATCH RESEND v3 2/2] bus: bt1-axi: Don't print error on -EPROBE_DEFER
Date
The Baikal-T1 AXI bus driver correctly handles the deferred probe
situation, but still pollutes the system log with a misleading error
message. Let's fix that by using the dev_err_probe() method to print the
log message in case of the clocks/resets request errors.

Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>

---

Link: https://lore.kernel.org/lkml/20220610080103.10689-1-Sergey.Semin@baikalelectronics.ru/
Changelog v2:
- Use the dev_err_probe() return value as the return status of the
corresponding method. (@Philipp)

Link: https://lore.kernel.org/lkml/20220610104030.28399-2-Sergey.Semin@baikalelectronics.ru/
Changelog v3:
- Just resend.
- Rebase onto the kernel v5.19-rcX.
---
drivers/bus/bt1-axi.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/bus/bt1-axi.c b/drivers/bus/bt1-axi.c
index e7a6744acc7b..70e49a6e5374 100644
--- a/drivers/bus/bt1-axi.c
+++ b/drivers/bus/bt1-axi.c
@@ -135,10 +135,9 @@ static int bt1_axi_request_rst(struct bt1_axi *axi)
int ret;

axi->arst = devm_reset_control_get_optional_exclusive(axi->dev, "arst");
- if (IS_ERR(axi->arst)) {
- dev_warn(axi->dev, "Couldn't get reset control line\n");
- return PTR_ERR(axi->arst);
- }
+ if (IS_ERR(axi->arst))
+ return dev_err_probe(axi->dev, PTR_ERR(axi->arst),
+ "Couldn't get reset control line\n");

ret = reset_control_deassert(axi->arst);
if (ret)
@@ -159,10 +158,9 @@ static int bt1_axi_request_clk(struct bt1_axi *axi)
int ret;

axi->aclk = devm_clk_get(axi->dev, "aclk");
- if (IS_ERR(axi->aclk)) {
- dev_err(axi->dev, "Couldn't get AXI Interconnect clock\n");
- return PTR_ERR(axi->aclk);
- }
+ if (IS_ERR(axi->aclk))
+ return dev_err_probe(axi->dev, PTR_ERR(axi->aclk),
+ "Couldn't get AXI Interconnect clock\n");

ret = clk_prepare_enable(axi->aclk);
if (ret) {
--
2.35.1
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