This parameter allows the program bus width to be specified at
module insertion time.
Signed-off-by: Cihangir Akturk <cakturk@xxxxxxxxx>
---
drivers/staging/gs_fpgaboot/gs_fpgaboot.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/gs_fpgaboot/gs_fpgaboot.c b/drivers/staging/gs_fpgaboot/gs_fpgaboot.c
index 6aa9d7c..7bf8ea9 100644
--- a/drivers/staging/gs_fpgaboot/gs_fpgaboot.c
+++ b/drivers/staging/gs_fpgaboot/gs_fpgaboot.c
@@ -43,8 +43,12 @@ static uint8_t bits_magic[] = {
static struct platform_device *firmware_pdev;
static char *file = "xlinx_fpga_firmware.bit";
+static int bus_width = bus_2byte;
+
module_param(file, charp, S_IRUGO);
MODULE_PARM_DESC(file, "Xilinx FPGA firmware file.");
+module_param(bus_width, int, S_IRUGO);
+MODULE_PARM_DESC(bus_width, "program bus width in bytes (valid values 1-2, default=2)");
#ifdef DEBUG_FPGA
static void datadump(char *msg, void *m, int n)
@@ -339,7 +343,7 @@ static int gs_fpgaboot(void)
goto err_out2;
}
- err = gs_download_image(fimage, bus_2byte);
+ err = gs_download_image(fimage, bus_width);
if (err) {
pr_err("gs_download_image error\n");
goto err_out2;
--
1.7.9.5
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