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

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Message-ID: <20221025111154.d4o6hvya2fb6hmev@h-e2.ddg>
Date:   Tue, 25 Oct 2022 14:11:54 +0300
From:   Ivan Bornyakov <i.bornyakov@...rotek.ru>
To:     Xu Yilun <yilun.xu@...el.com>
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 Tue, Oct 25, 2022 at 02:54:38PM +0800, Xu Yilun wrote:
> 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.
> 

Sorry for this negligence. Thanks.