Linux SPI subsystem development
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From: Patrice CHOTARD <patrice.chotard@foss.st.com>
To: Hans Zhang <18255117159@163.com>, <broonie@kernel.org>,
	<sunny.luo@amlogic.com>, <xianwei.zhao@amlogic.com>,
	<neil.armstrong@linaro.org>, <khilman@baylibre.com>,
	<han.xu@nxp.com>, <haibo.chen@nxp.com>,
	<mcoquelin.stm32@gmail.com>, <alexandre.torgue@foss.st.com>,
	<lhjeff911@gmail.com>, <hayashi.kunihiko@socionext.com>,
	<mhiramat@kernel.org>, <jbrunet@baylibre.com>,
	<martin.blumenstingl@googlemail.com>
Cc: <linux-spi@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<linux-amlogic@lists.infradead.org>,
	<linux-arm-kernel@lists.infradead.org>, <imx@lists.linux.dev>,
	<linux-stm32@st-md-mailman.stormreply.com>
Subject: Re: [PATCH 08/10] spi: stm32-qspi: Use FIELD_MODIFY()
Date: Mon, 11 May 2026 09:59:06 +0200	[thread overview]
Message-ID: <283c1eb1-670f-45f3-bd33-dc8f9b0776ed@foss.st.com> (raw)
In-Reply-To: <20260430155456.36998-9-18255117159@163.com>



On 4/30/26 17:54, Hans Zhang wrote:
> Use FIELD_MODIFY() to remove open-coded bit manipulation.
> No functional change intended.
> 
> Signed-off-by: Hans Zhang <18255117159@163.com>
> ---
>  drivers/spi/spi-stm32-qspi.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/spi/spi-stm32-qspi.c b/drivers/spi/spi-stm32-qspi.c
> index df1bbacec90a..ea69fe25686f 100644
> --- a/drivers/spi/spi-stm32-qspi.c
> +++ b/drivers/spi/spi-stm32-qspi.c
> @@ -374,9 +374,8 @@ static int stm32_qspi_send(struct spi_device *spi, const struct spi_mem_op *op)
>  	int timeout, err = 0, err_poll_status = 0;
>  
>  	cr = readl_relaxed(qspi->io_base + QSPI_CR);
> -	cr &= ~CR_PRESC_MASK & ~CR_FSEL;
> -	cr |= FIELD_PREP(CR_PRESC_MASK, flash->presc);
> -	cr |= FIELD_PREP(CR_FSEL, flash->cs);
> +	FIELD_MODIFY(CR_PRESC_MASK, &cr, flash->presc);
> +	FIELD_MODIFY(CR_FSEL, &cr, flash->cs);
>  	writel_relaxed(cr, qspi->io_base + QSPI_CR);
>  
>  	if (op->data.nbytes)

Hi Hans

Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>

Thanks
Patrice

  reply	other threads:[~2026-05-11  7:59 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-30 15:54 [PATCH 00/10] spi: Use FIELD_MODIFY() for bitfield operations Hans Zhang
2026-04-30 15:54 ` [PATCH 01/10] spi: amlogic-spifc-a1: Use FIELD_MODIFY() Hans Zhang
2026-04-30 15:54 ` [PATCH 02/10] spi: amlogic-spisg: " Hans Zhang
2026-04-30 15:54 ` [PATCH 03/10] spi: cadence-xspi: " Hans Zhang
2026-05-01  0:52   ` Mark Brown
2026-04-30 15:54 ` [PATCH 04/10] spi: meson-spicc: " Hans Zhang
2026-04-30 15:54 ` [PATCH 05/10] spi: nxp-xspi: " Hans Zhang
2026-05-05 15:39   ` Frank Li
2026-04-30 15:54 ` [PATCH 06/10] spi: sn-f-ospi: " Hans Zhang
2026-04-30 15:54 ` [PATCH 07/10] spi: stm32-ospi: " Hans Zhang
2026-05-11  8:00   ` Patrice CHOTARD
2026-04-30 15:54 ` [PATCH 08/10] spi: stm32-qspi: " Hans Zhang
2026-05-11  7:59   ` Patrice CHOTARD [this message]
2026-04-30 15:54 ` [PATCH 09/10] spi: sunplus-sp7021: " Hans Zhang
2026-04-30 15:54 ` [PATCH 10/10] spi: uniphier: " Hans Zhang
2026-05-01  8:30 ` [PATCH 00/10] spi: Use FIELD_MODIFY() for bitfield operations David Laight
2026-05-05  4:23   ` Hans Zhang
2026-05-11 12:05 ` Mark Brown

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