From patchwork Fri Jan 17 07:31:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Simek X-Patchwork-Id: 239693 List-Id: U-Boot discussion From: michal.simek at xilinx.com (Michal Simek) Date: Fri, 17 Jan 2020 08:31:33 +0100 Subject: [PATCH] versal: drivers: clk: Fix invalid clock name queries Message-ID: <6a926cd657d63147f49be2b0de293917c5b789e2.1579246289.git.michal.simek@xilinx.com> From: Rajan Vaja The clock driver makes EEMI call to get the name of invalid clk when executing versal_get_clock_info() function. This results in error messages. Added check for validating clock before saving clock attribute and calling versal_pm_clock_get_name() in versal_get_clock_info() function. Signed-off-by: Rajan Vaja Signed-off-by: Michal Simek --- drivers/clk/clk_versal.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/clk/clk_versal.c b/drivers/clk/clk_versal.c index 7e97b0c4bf3a..6ca46c612df8 100644 --- a/drivers/clk/clk_versal.c +++ b/drivers/clk/clk_versal.c @@ -569,6 +569,12 @@ static void versal_get_clock_info(void) continue; clock[i].valid = attr & CLK_VALID_MASK; + + /* skip query for Invalid clock */ + ret = versal_is_valid_clock(i); + if (ret != CLK_VALID_MASK) + continue; + clock[i].type = ((attr >> CLK_TYPE_SHIFT) & 0x1) ? CLK_TYPE_EXTERNAL : CLK_TYPE_OUTPUT; nodetype = (attr >> NODE_TYPE_SHIFT) & NODE_CLASS_MASK;