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From: Mark Brown <broonie@kernel.org>
To: zhuyinbo <zhuyinbo@loongson.cn>
Cc: Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	linux-spi@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, Jianmin Lv <lvjianmin@loongson.cn>,
	wanghongliang@loongson.cn, Liu Peibao <liupeibao@loongson.cn>,
	loongson-kernel@lists.loongnix.cn
Subject: Re: [PATCH v2 2/2] spi: loongson: add bus driver for the loongson spi controller
Date: Thu, 23 Mar 2023 13:59:21 +0000	[thread overview]
Message-ID: <75a40be0-8eaa-4c9b-87dc-382c2a2af439@sirena.org.uk> (raw)
In-Reply-To: <2337f45f-c513-1b10-ccfc-766363c5fd02@loongson.cn>

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On Thu, Mar 23, 2023 at 08:46:19PM +0800, zhuyinbo wrote:

> I think add following change and that issue what you said will can be
> fixed,   in addition, the spin_lock

> was also not needed.   Do you think so?

> @@ -101,8 +101,10 @@ static int loongson_spi_setup(struct spi_device *spi)
>         if (spi->chip_select >= spi->master->num_chipselect)
>                 return -EINVAL;
> 
> +       loongson_spi->hz = 0;
> +       loongson_spi->mode &= SPI_NO_CS;
> +
>         spin_lock(&loongson_spi->lock);
> -       loongson_spi_update_state(loongson_spi, spi, NULL);

Looks plausible, yes - I'd need to see the full thing to verify.

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  reply	other threads:[~2023-03-23 14:00 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-17  8:29 [PATCH v2 0/2] spi: loongson: add bus driver for the loongson spi Yinbo Zhu
2023-03-17  8:29 ` [PATCH v2 1/2] dt-bindings: spi: add " Yinbo Zhu
2023-03-17  9:15   ` Krzysztof Kozlowski
2023-03-17 10:00     ` zhuyinbo
2023-03-17 15:51       ` Krzysztof Kozlowski
2023-03-17 15:51         ` Krzysztof Kozlowski
2023-03-17 16:14           ` Mark Brown
2023-03-18  1:38             ` zhuyinbo
2023-03-18  1:18         ` zhuyinbo
2023-03-17 14:55   ` Rob Herring
2023-03-18  1:16     ` zhuyinbo
2023-03-17  8:29 ` [PATCH v2 2/2] spi: loongson: add bus driver for the loongson spi controller Yinbo Zhu
2023-03-17 16:26   ` Mark Brown
2023-03-18  6:07     ` zhuyinbo
2023-03-20 12:52       ` Mark Brown
2023-03-21  2:54         ` zhuyinbo
2023-03-21 12:08           ` Mark Brown
2023-03-23 12:46             ` zhuyinbo
2023-03-23 13:59               ` Mark Brown [this message]
2023-03-24  3:32                 ` zhuyinbo
2023-03-17 18:07   ` kernel test robot
2023-03-18  2:51     ` zhuyinbo
2023-03-18  3:21   ` kernel test robot
2023-03-18  7:10     ` zhuyinbo

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