Thread (9 messages) 9 messages, 4 authors, 2017-02-15

[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

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
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help