From: Ahmad Fatoum <a.fatoum@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH RFC] ARM: imx8: fix discrepancy between comment and code
Date: Fri, 31 May 2019 09:41:02 +0200 [thread overview]
Message-ID: <20190531074102.28035-1-a.fatoum@pengutronix.de> (raw)
The comment speaks of a one second polling timeout, while the polling
is indefinite with timeout not accounted for. Thus change the comment
to reflect the actual behavior.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
---
arch/arm/mach-imx/imx8-ddrc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-imx/imx8-ddrc.c b/arch/arm/mach-imx/imx8-ddrc.c
index 18454a91533b..736865eb6f12 100644
--- a/arch/arm/mach-imx/imx8-ddrc.c
+++ b/arch/arm/mach-imx/imx8-ddrc.c
@@ -29,7 +29,7 @@ static u32 ddrc_phy_get_message(void __iomem *phy, int type)
/*
* When BIT0 set to 0, the PMU has a message for the user
- * 10ms seems not enough for poll message, so use 1s here.
+ * Wait for it indefinitely.
*/
readl_poll_timeout(phy + DDRC_PHY_REG(0xd0004),
r, !(r & BIT(0)), 0);
@@ -104,4 +104,4 @@ void ddrc_phy_wait_training_complete(void __iomem *phy)
putc_ll('\r');
putc_ll('\n');
}
-}
\ No newline at end of file
+}
--
2.20.1
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next reply other threads:[~2019-05-31 7:41 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-31 7:41 Ahmad Fatoum [this message]
2019-05-31 7:55 ` Andrey Smirnov
2019-06-04 6:51 ` Sascha Hauer
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