From: Mark Brown <broonie@kernel.org>
To: patrice.chotard@foss.st.com
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>,
linux-spi@vger.kernel.org,
linux-stm32@st-md-mailman.stormreply.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, christophe.kerello@foss.st.com
Subject: Re: spi: stm32-qspi: Always wait BUSY bit to be cleared in stm32_qspi_wait_cmd()
Date: Thu, 3 Jun 2021 12:56:42 +0100 [thread overview]
Message-ID: <20210603115642.GC4257@sirena.org.uk> (raw)
In-Reply-To: <20210603073421.8441-1-patrice.chotard@foss.st.com>
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On Thu, Jun 03, 2021 at 09:34:21AM +0200, patrice.chotard@foss.st.com wrote:
> From: Patrice Chotard <patrice.chotard@foss.st.com>
>
> In U-boot side, an issue has been encountered when QSPI source clock is
> running at low frequency (24 MHz for example), waiting for TCF bit to be
> set didn't ensure that all data has been send out the FIFO, we should also
> wait that BUSY bit is cleared.
Please remember to put the [PATCH] in your subject.
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next prev parent reply other threads:[~2021-06-03 11:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-03 7:34 spi: stm32-qspi: Always wait BUSY bit to be cleared in stm32_qspi_wait_cmd() patrice.chotard
2021-06-03 11:56 ` Mark Brown [this message]
2021-06-03 18:41 ` Mark Brown
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