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Subject[PATCH] mmc: pwrseq_simple: include deferred probe reasons
Date
This adds a reason to /sys/kernel/debug/devices_deferred, which makes
it easier to debug deferred probes such as [0].

0. https://lore.kernel.org/all/20221228140708.26431-1-tom@tom-fitzhenry.me.uk/

Signed-off-by: Tom Fitzhenry <tom@tom-fitzhenry.me.uk>
---
drivers/mmc/core/pwrseq_simple.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/core/pwrseq_simple.c b/drivers/mmc/core/pwrseq_simple.c
index 988467fbb621..3bac1e71411b 100644
--- a/drivers/mmc/core/pwrseq_simple.c
+++ b/drivers/mmc/core/pwrseq_simple.c
@@ -119,14 +119,14 @@ static int mmc_pwrseq_simple_probe(struct platform_device *pdev)

pwrseq->ext_clk = devm_clk_get(dev, "ext_clock");
if (IS_ERR(pwrseq->ext_clk) && PTR_ERR(pwrseq->ext_clk) != -ENOENT)
- return PTR_ERR(pwrseq->ext_clk);
+ return dev_err_probe(dev, PTR_ERR(pwrseq->ext_clk), "external clock not ready\n");

pwrseq->reset_gpios = devm_gpiod_get_array(dev, "reset",
GPIOD_OUT_HIGH);
if (IS_ERR(pwrseq->reset_gpios) &&
PTR_ERR(pwrseq->reset_gpios) != -ENOENT &&
PTR_ERR(pwrseq->reset_gpios) != -ENOSYS) {
- return PTR_ERR(pwrseq->reset_gpios);
+ return dev_err_probe(dev, PTR_ERR(pwrseq->reset_gpios), "reset GPIOs not ready\n");
}

device_property_read_u32(dev, "post-power-on-delay-ms",
base-commit: c76083fac3bae1a87ae3d005b5cb1cbc761e31d5
--
2.38.1

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