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authorSimon Glass <sjg@chromium.org>2020-11-09 17:12:49 +0300
committerHeiko Schocher <hs@denx.de>2020-11-28 10:30:41 +0300
commit942012246a7a1dea66869be7763d73f0565bdb7b (patch)
tree66e86d8b7d15b28b8706face31ae8505f3c77726
parent5a13c0d1348284b7f2a2c9b463ceedac67166d07 (diff)
downloadu-boot-942012246a7a1dea66869be7763d73f0565bdb7b.tar.xz
i2c: designware_i2c: Don't warn if no reset controller
At present if CONFIG_RESET is not enabled, this code shows a warning: designware_i2c_ofdata_to_platdata() i2c_designware_pci i2c2@16,0: Can't get reset: -524 Avoid this by checking if reset is supported, first. Fixes: 622597dee4f ("i2c: designware: add reset ctrl to driver") Signed-off-by: Simon Glass <sjg@chromium.org>
-rw-r--r--drivers/i2c/designware_i2c.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/i2c/designware_i2c.c b/drivers/i2c/designware_i2c.c
index 791f32e971..c54989504e 100644
--- a/drivers/i2c/designware_i2c.c
+++ b/drivers/i2c/designware_i2c.c
@@ -774,10 +774,12 @@ int designware_i2c_ofdata_to_platdata(struct udevice *bus)
dev_read_u32(bus, "i2c-sda-hold-time-ns", &priv->sda_hold_time_ns);
ret = reset_get_bulk(bus, &priv->resets);
- if (ret)
- dev_warn(bus, "Can't get reset: %d\n", ret);
- else
+ if (ret) {
+ if (ret != -ENOTSUPP)
+ dev_warn(bus, "Can't get reset: %d\n", ret);
+ } else {
reset_deassert_bulk(&priv->resets);
+ }
#if CONFIG_IS_ENABLED(CLK)
ret = clk_get_by_index(bus, 0, &priv->clk);