From: Jules Maselbas <jmaselbas@kalray.eu>
To: barebox@lists.infradead.org
Cc: Jules Maselbas <jmaselbas@kalray.eu>
Subject: [PATCH 1/5] usb: dwc2: Make dwc2_wait_bit_set wait all bits in mask
Date: Fri, 12 Mar 2021 17:24:28 +0100 [thread overview]
Message-ID: <20210312162432.9189-1-jmaselbas@kalray.eu> (raw)
The dwc2_wait_bit_set() wasn't waiting for all bits in the mask to be
set but was waiting for only one bit set a mask.
This is not the expected behavior as stated in the function's comment.
The function dwc2_wait_bit_set() is always called with a mask of only
one bit.
Signed-off-by: Jules Maselbas <jmaselbas@kalray.eu>
---
drivers/usb/dwc2/core.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h
index 780efb262..fa9d6ae95 100644
--- a/drivers/usb/dwc2/core.h
+++ b/drivers/usb/dwc2/core.h
@@ -532,7 +532,7 @@ static inline int dwc2_wait_bit_set(struct dwc2 *dwc2, u32 offset, u32 mask,
u32 timeout)
{
return wait_on_timeout(timeout * USECOND,
- dwc2_readl(dwc2, offset) & mask);
+ (dwc2_readl(dwc2, offset) & mask) == mask);
}
/**
--
2.17.1
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next reply other threads:[~2021-03-12 16:26 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-12 16:24 Jules Maselbas [this message]
2021-03-12 16:24 ` [PATCH 2/5] usb: dwc2: Replace pr_info with dev_warn Jules Maselbas
2021-03-12 16:24 ` [PATCH 3/5] usb: dwc2: Rework dwc2_wait_for_mode to use wait_on_timeout Jules Maselbas
2021-03-12 16:24 ` [PATCH 4/5] usb: dwc2: Move wait_for_mode and iddig_filter_enabled to core Jules Maselbas
2021-03-12 16:24 ` [PATCH 5/5] usb: dwc2: Rework wait for host mode during core reset Jules Maselbas
2021-03-15 8:51 ` [PATCH 1/5] usb: dwc2: Make dwc2_wait_bit_set wait all bits in mask Sascha Hauer
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