[PATCH v10 07/10] firmware: xilinx: Add debugfs for IOCTL API
From: Jolly Shah <hidden>
Date: 2018-07-17 19:59:44
Also in:
linux-arm-kernel, linux-clk, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Rajan Vaja <redacted> Add debugfs file to set/get IOCTL using debugfs interface. Signed-off-by: Rajan Vaja <redacted> Signed-off-by: Jolly Shah <redacted> --- 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 fcbdd6e..fc11db9 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