From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jolly Shah Subject: [PATCH v9 07/10] firmware: xilinx: Add debugfs for IOCTL API Date: Wed, 20 Jun 2018 10:40:32 -0700 Message-ID: <1529516435-7315-8-git-send-email-jollys@xilinx.com> References: <1529516435-7315-1-git-send-email-jollys@xilinx.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1529516435-7315-1-git-send-email-jollys@xilinx.com> Sender: linux-kernel-owner@vger.kernel.org To: ard.biesheuvel@linaro.org, mingo@kernel.org, gregkh@linuxfoundation.org, matt@codeblueprint.co.uk, sudeep.holla@arm.com, hkallweit1@gmail.com, keescook@chromium.org, dmitry.torokhov@gmail.com, mturquette@baylibre.com, sboyd@codeaurora.org, michal.simek@xilinx.com, robh+dt@kernel.org, mark.rutland@arm.com, linux-clk@vger.kernel.org Cc: rajanv@xilinx.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Jolly Shah List-Id: devicetree@vger.kernel.org From: Rajan Vaja Add debugfs file to set/get IOCTL using debugfs interface. Signed-off-by: Rajan Vaja Signed-off-by: Jolly Shah --- 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