[PATCH v9 2/3] fpga manager: Add cyclone-ps-spi driver for Altera FPGAs
From: Alan Tull <hidden>
Date: 2017-02-15 17:14:18
Also in:
linux-devicetree, lkml
From: Alan Tull <hidden>
Date: 2017-02-15 17:14:18
Also in:
linux-devicetree, lkml
On Wed, Feb 15, 2017 at 9:26 AM, Anatolij Gustschin [off-list ref] wrote:
Hi Joshua, On Tue, 24 Jan 2017 14:19:33 -0800 Joshua Clayton stillcompiling at gmail.com wrote: ...quoted
+static int cyclonespi_write(struct fpga_manager *mgr, const char *buf, + size_t count) +{ + struct cyclonespi_conf *conf = (struct cyclonespi_conf *)mgr->priv; + const char *fw_data = buf; + const char *fw_data_end = fw_data + count; + + while (fw_data < fw_data_end) { + int ret; + size_t stride = min(fw_data_end - fw_data, SZ_4K); + + rev_buf(fw_data, stride);Can we make rev_buf() optional here? I've tested this driver with Stratix-V FPGA using orion_spi driver. It works without swapping the data.
I replied earlier, but something in my email settings bounced. The way to make it optional is to add a bit to the flags of the fpga_image_info struct. Alan
Thanks, Anatolij