Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1550611

[PATCH] clk: clk-conf: Do not print error messages if EPROBE_DEFER

From Geert Uytterhoeven <geert+renesas@glider.be>
Newsgroups linux.kernel
Subject [PATCH] clk: clk-conf: Do not print error messages if EPROBE_DEFER
Date 2017-01-04 11:20 +0100
Message-ID <sVQPL-3lt-13@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

Show all headers | View raw


EPROBE_DEFER is not an error, hence printing an error message like

	clk: couldn't get clock 0 for /soc/display@feb00000

may confuse the user.

Suppress error messages in case of probe deferral to fix this.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
 drivers/clk/clk-conf.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/clk/clk-conf.c b/drivers/clk/clk-conf.c
index 674785d968a3e1c5..e0e02a6e59009e7a 100644
--- a/drivers/clk/clk-conf.c
+++ b/drivers/clk/clk-conf.c
@@ -40,8 +40,9 @@ static int __set_clk_parents(struct device_node *node, bool clk_supplier)
 			return 0;
 		pclk = of_clk_get_from_provider(&clkspec);
 		if (IS_ERR(pclk)) {
-			pr_warn("clk: couldn't get parent clock %d for %s\n",
-				index, node->full_name);
+			if (PTR_ERR(pclk) != -EPROBE_DEFER)
+				pr_warn("clk: couldn't get parent clock %d for %s\n",
+					index, node->full_name);
 			return PTR_ERR(pclk);
 		}
 
@@ -55,8 +56,9 @@ static int __set_clk_parents(struct device_node *node, bool clk_supplier)
 		}
 		clk = of_clk_get_from_provider(&clkspec);
 		if (IS_ERR(clk)) {
-			pr_warn("clk: couldn't get assigned clock %d for %s\n",
-				index, node->full_name);
+			if (PTR_ERR(clk) != -EPROBE_DEFER)
+				pr_warn("clk: couldn't get assigned clock %d for %s\n",
+					index, node->full_name);
 			rc = PTR_ERR(clk);
 			goto err;
 		}
@@ -99,8 +101,9 @@ static int __set_clk_rates(struct device_node *node, bool clk_supplier)
 
 			clk = of_clk_get_from_provider(&clkspec);
 			if (IS_ERR(clk)) {
-				pr_warn("clk: couldn't get clock %d for %s\n",
-					index, node->full_name);
+				if (PTR_ERR(clk) != -EPROBE_DEFER)
+					pr_warn("clk: couldn't get clock %d for %s\n",
+						index, node->full_name);
 				return PTR_ERR(clk);
 			}
 
-- 
1.9.1

Back to linux.kernel | Previous | NextNext in thread | Find similar | Unroll thread


Thread

[PATCH] clk: clk-conf: Do not print error messages if EPROBE_DEFER Geert Uytterhoeven <geert+renesas@glider.be> - 2017-01-04 11:20 +0100
  Re: [PATCH] clk: clk-conf: Do not print error messages if  EPROBE_DEFER Marek Vasut <marek.vasut@gmail.com> - 2017-01-04 17:40 +0100
  Re: [PATCH] clk: clk-conf: Do not print error messages if EPROBE_DEFER Javier Martinez Canillas <javier@dowhile0.org> - 2017-01-04 22:40 +0100
  Re: [PATCH] clk: clk-conf: Do not print error messages if  EPROBE_DEFER Stephen Boyd <sboyd@codeaurora.org> - 2017-01-10 01:10 +0100

csiph-web