From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tero Kristo Date: Tue, 10 Nov 2020 11:05:43 +0200 Subject: [PATCH 07/26] clk: do not attempt to fetch clock pointer with null device In-Reply-To: <20201110090602.2255-1-t-kristo@ti.com> References: <20201110090602.2255-1-t-kristo@ti.com> Message-ID: <20201110090602.2255-8-t-kristo@ti.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Bail out early if device returned for the parent clock is null. This avoids warning prints like this when doing clk dump: dev_get_uclass_priv: null device Signed-off-by: Tero Kristo --- drivers/clk/clk-uclass.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c index 31c5997aea..a4b24b98e6 100644 --- a/drivers/clk/clk-uclass.c +++ b/drivers/clk/clk-uclass.c @@ -493,6 +493,8 @@ struct clk *clk_get_parent(struct clk *clk) return NULL; pdev = dev_get_parent(clk->dev); + if (!pdev) + return ERR_PTR(-ENODEV); pclk = dev_get_clk_ptr(pdev); if (!pclk) return ERR_PTR(-ENODEV); -- 2.17.1 -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki