linux-kernel - [PATCH] usb: dwc3-exynos remove suspend clock unspecified debug message

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Tue, 10 Jan 2017 14:20:59 -0700
From:   Shuah Khan <shuahkh@....samsung.com>
To:     balbi@...nel.org, gregkh@...uxfoundation.org, kgene@...nel.org,
        krzk@...nel.org, javier@....samsung.com
Cc:     Shuah Khan <shuahkh@....samsung.com>, linux-usb@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] usb: dwc3-exynos remove suspend clock unspecified debug message

dwc3-exynos prints debug message when suspend clock is not specified.
The suspend clock is optional and driver can work without it.

This debug message doesn't add any value and leads to confusion and
concern. Remove it.

Signed-off-by: Shuah Khan <shuahkh@....samsung.com>
---
This patch is a result of the disussion on the following patch.
https://lkml.org/lkml/2017/1/9/891

drivers/usb/dwc3/dwc3-exynos.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c
index e27899b..3e8407a 100644
--- a/drivers/usb/dwc3/dwc3-exynos.c
+++ b/drivers/usb/dwc3/dwc3-exynos.c
@@ -128,10 +128,8 @@ static int dwc3_exynos_probe(struct platform_device *pdev)
 	clk_prepare_enable(exynos->clk);
 
 	exynos->susp_clk = devm_clk_get(dev, "usbdrd30_susp_clk");
-	if (IS_ERR(exynos->susp_clk)) {
-		dev_info(dev, "no suspend clk specified\n");
+	if (IS_ERR(exynos->susp_clk))
 		exynos->susp_clk = NULL;
-	}
 	clk_prepare_enable(exynos->susp_clk);
 
 	if (of_device_is_compatible(node, "samsung,exynos7-dwusb3")) {
-- 
2.7.4