linux-kernel - Re: [PATCH v20 1/2] fpga: lattice-sysconfig-spi: add Lattice sysCONFIG FPGA manager

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Date:   Tue, 25 Oct 2022 14:54:38 +0800
From:   Xu Yilun <yilun.xu@...el.com>
To:     Ivan Bornyakov <i.bornyakov@...rotek.ru>
Cc:     mdf@...nel.org, hao.wu@...el.com, trix@...hat.com, dg@...ix.com,
        j.zink@...gutronix.de, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, linux-fpga@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@...gutronix.de, system@...rotek.ru
Subject: Re: [PATCH v20 1/2] fpga: lattice-sysconfig-spi: add Lattice
 sysCONFIG FPGA manager

On 2022-10-25 at 08:39:46 +0300, Ivan Bornyakov wrote:
> Add support to the FPGA manager for programming Lattice ECP5 FPGA over
> slave SPI sysCONFIG interface.
> 
> sysCONFIG interface core functionality is separate from both ECP5 and
> SPI specifics, so support for other FPGAs with different port types can
> be added in the future.
> 
> Signed-off-by: Ivan Bornyakov <i.bornyakov@...rotek.ru>

[...]

> +static int sysconfig_spi_bitstream_burst_init(struct sysconfig_priv *priv)
> +{
> +	const u8 lsc_bitstream_burst[] = SYSCONFIG_LSC_BITSTREAM_BURST;
> +	struct spi_device *spi = to_spi_device(priv->dev);
> +	struct spi_transfer xfer = {};
> +	struct spi_message msg;
> +	size_t buf_len;
> +	void *buf;
> +	int ret;
> +
> +	buf_len = sizeof(lsc_bitstream_burst);
> +
> +	buf = kmemdup(lsc_bitstream_burst, buf_len, GFP_KERNEL);
> +	if (!buf)
> +		return -ENOMEM;
> +
> +

I removed the second blank line and applied this series to for-next.

Thanks,
Yilun