From: shawn.guo@linaro.org (Shawn Guo)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2] ARM: amba: adapt to regulator probe deferral change
Date: Mon, 2 Apr 2012 15:14:43 +0800 [thread overview]
Message-ID: <1333350883-6373-1-git-send-email-shawn.guo@linaro.org> (raw)
The commit 04bf301 (regulator: Support driver probe deferral) changes
regulator_get() and regulator_register() to return -EPROBE_DEFER
instead of -ENODEV. Adapt amba bus driver to the change, otherwise
amba_probe() will fail on the platforms that do not have "vcore"
regulator device.
It fixes the boot failure on i.mx28 which uses amba-pl011 as serial
console.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Reviwed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
Changes since v1:
* Revert the comment change
drivers/amba/bus.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
index 01c2cf4..380995e 100644
--- a/drivers/amba/bus.c
+++ b/drivers/amba/bus.c
@@ -363,7 +363,7 @@ static int amba_get_enable_vcore(struct amba_device *pcdev)
if (IS_ERR(vcore)) {
/* It is OK not to supply a vcore regulator */
- if (PTR_ERR(vcore) == -ENODEV)
+ if (PTR_ERR(vcore) == -EPROBE_DEFER)
return 0;
return PTR_ERR(vcore);
}
--
1.7.5.4
reply other threads:[~2012-04-02 7:14 UTC|newest]
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