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authorBartosz Golaszewski <bartosz.golaszewski@linaro.org>2025-06-24 16:32:20 +0200
committerBartosz Golaszewski <bartosz.golaszewski@linaro.org>2025-06-30 09:07:26 +0200
commit62b5848f73dd4f8ae17304dae54562d0c9ecdd3d (patch)
tree9b2be2933047f92fde4b3fa146d9c0aa64064da1
parentpower: sequencing: extend build coverage with COMPILE_TEST=y (diff)
downloadwireguard-linux-62b5848f73dd4f8ae17304dae54562d0c9ecdd3d.tar.xz
wireguard-linux-62b5848f73dd4f8ae17304dae54562d0c9ecdd3d.zip
power: sequencing: add defines for return values of the match() callback
Instead of using 0 and 1 as magic numbers, let's add proper defines whose names tell the reader what the meaning behind them is. Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Link: https://lore.kernel.org/r/20250624-pwrseq-match-defines-v1-3-a59d90a951f1@linaro.org Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
-rw-r--r--drivers/power/sequencing/core.c6
-rw-r--r--include/linux/pwrseq/provider.h3
2 files changed, 6 insertions, 3 deletions
diff --git a/drivers/power/sequencing/core.c b/drivers/power/sequencing/core.c
index 0ffc259c6bb6..190564e55988 100644
--- a/drivers/power/sequencing/core.c
+++ b/drivers/power/sequencing/core.c
@@ -628,7 +628,7 @@ static int pwrseq_match_device(struct device *pwrseq_dev, void *data)
return 0;
ret = pwrseq->match(pwrseq, match_data->dev);
- if (ret <= 0)
+ if (ret == PWRSEQ_NO_MATCH || ret < 0)
return ret;
/* We got the matching device, let's find the right target. */
@@ -651,7 +651,7 @@ static int pwrseq_match_device(struct device *pwrseq_dev, void *data)
match_data->desc->pwrseq = pwrseq_device_get(pwrseq);
- return 1;
+ return PWRSEQ_MATCH_OK;
}
/**
@@ -684,7 +684,7 @@ struct pwrseq_desc *pwrseq_get(struct device *dev, const char *target)
pwrseq_match_device);
if (ret < 0)
return ERR_PTR(ret);
- if (ret == 0)
+ if (ret == PWRSEQ_NO_MATCH)
/* No device matched. */
return ERR_PTR(-EPROBE_DEFER);
diff --git a/include/linux/pwrseq/provider.h b/include/linux/pwrseq/provider.h
index cbc3607cbfcf..33b3d2c2e39d 100644
--- a/include/linux/pwrseq/provider.h
+++ b/include/linux/pwrseq/provider.h
@@ -13,6 +13,9 @@ struct pwrseq_device;
typedef int (*pwrseq_power_state_func)(struct pwrseq_device *);
typedef int (*pwrseq_match_func)(struct pwrseq_device *, struct device *);
+#define PWRSEQ_NO_MATCH 0
+#define PWRSEQ_MATCH_OK 1
+
/**
* struct pwrseq_unit_data - Configuration of a single power sequencing
* unit.