[PATCH v6 07/11] firmware: xilinx: Add debugfs for IOCTL API

[Jolly Shah]

From: Rajan Vaja <raj...@xilinx.com>

Add debugfs file to set/get IOCTL using debugfs interface.

Signed-off-by: Rajan Vaja <raj...@xilinx.com>
Signed-off-by: Jolly Shah <jol...@xilinx.com>
---
 drivers/firmware/xilinx/zynqmp-debug.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/firmware/xilinx/zynqmp-debug.c 
b/drivers/firmware/xilinx/zynqmp-debug.c
index 4800366..148dbff 100644
--- a/drivers/firmware/xilinx/zynqmp-debug.c
+++ b/drivers/firmware/xilinx/zynqmp-debug.c
@@ -32,6 +32,7 @@ static char debugfs_buf[PAGE_SIZE];
 #define PM_API(id)              {id, #id, strlen(#id)}
 static struct pm_api_info pm_api_list[] = {
        PM_API(PM_GET_API_VERSION),
+       PM_API(PM_IOCTL),
 };
 
 /**
@@ -95,6 +96,15 @@ static int process_api_request(u32 pm_id, u64 *pm_api_arg, 
u32 *pm_api_ret)
                sprintf(debugfs_buf, "PM-API Version = %d.%d\n",
                        pm_api_version >> 16, pm_api_version & 0xffff);
                break;
+       case PM_IOCTL:
+               ret = eemi_ops->ioctl(pm_api_arg[0], pm_api_arg[1],
+                                     pm_api_arg[2], pm_api_arg[3],
+                                     &pm_api_ret[0]);
+               if (!ret && (pm_api_arg[1] == IOCTL_GET_PLL_FRAC_MODE ||
+                            pm_api_arg[1] == IOCTL_GET_PLL_FRAC_DATA))
+                       sprintf(debugfs_buf, "IOCTL return value: %u\n",
+                               pm_api_ret[1]);
+               break;
        default:
                sprintf(debugfs_buf, "Unsupported PM-API request\n");
                ret = -EINVAL;
-- 
2.7.4