From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: Venu Byravarasu <vbyravarasu@nvidia.com>
Cc: gregkh@linuxfoundation.org, swarren@wwwdotorg.org, balbi@ti.com,
stern@rowland.harvard.edu, linux-usb@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org
Subject: Re: [PATCH v3 08/10] usb: phy: tegra: Add error handling & clean up.
Date: Fri, 10 May 2013 22:06:48 +0400 [thread overview]
Message-ID: <518D3738.6040402@cogentembedded.com> (raw)
In-Reply-To: <1368194051-4925-9-git-send-email-vbyravarasu@nvidia.com>
Hello.
On 05/10/2013 05:54 PM, Venu Byravarasu wrote:
> Check return values from all GPIO APIs and handle errors accordingly.
>
> Remove the call to clk_disable_unprepare(); this function does not
> prepare or enable the clock, so the error path should not disable or
> unprepare it.
>
> Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
[...]
> diff --git a/drivers/usb/phy/phy-tegra-usb.c b/drivers/usb/phy/phy-tegra-usb.c
> index a2a89a9..dce692a 100644
> --- a/drivers/usb/phy/phy-tegra-usb.c
> +++ b/drivers/usb/phy/phy-tegra-usb.c
[...]
> @@ -624,24 +632,44 @@ static int tegra_phy_init(struct usb_phy *x)
[...]
> phy->ulpi = otg_ulpi_create(&ulpi_viewport_access_ops, 0);
> + if (!phy->ulpi) {
> + dev_err(phy->dev, "otg_ulpi_create returned err\n");
Rather "returned NULL".
WBR, Sergei
next prev parent reply other threads:[~2013-05-10 18:06 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-10 13:54 [PATCH v3 00/10] Tegra USB PHY driver series Venu Byravarasu
2013-05-10 13:54 ` [PATCH v3 01/10] ARM: tegra: finalize USB EHCI and PHY bindings Venu Byravarasu
2013-05-13 17:17 ` Stephen Warren
2013-05-10 13:54 ` [PATCH v3 02/10] arm: dt: Tegra20: Modify ULPI reset GPIO properties Venu Byravarasu
2013-05-13 17:21 ` Stephen Warren
2013-05-10 13:54 ` [PATCH v3 03/10] ARM: tegra: update device trees for USB binding rework Venu Byravarasu
2013-05-13 17:29 ` Stephen Warren
2013-05-10 13:54 ` [PATCH v3 04/10] Revert "usb: phy: tegra: don't call into tegra-ehci directly" Venu Byravarasu
2013-05-10 14:26 ` Alan Stern
2013-05-10 13:54 ` [PATCH v3 05/10] usb: phy: tegra: Get PHY mode using DT Venu Byravarasu
2013-05-10 13:54 ` [PATCH v3 06/10] usb: phy: tegra: Return correct error value provided by clk_get_sys Venu Byravarasu
2013-05-10 13:54 ` [PATCH v3 07/10] usb: phy: tegra: get ULPI reset GPIO info using DT Venu Byravarasu
2013-05-10 13:54 ` [PATCH v3 08/10] usb: phy: tegra: Add error handling & clean up Venu Byravarasu
2013-05-10 18:06 ` Sergei Shtylyov [this message]
2013-05-10 13:54 ` [PATCH v3 09/10] usb: phy: registering Tegra USB PHY as platform driver Venu Byravarasu
2013-05-10 13:54 ` [PATCH v3 10/10] Usb: Move PORTSC access to PHY Venu Byravarasu
2013-05-10 20:04 ` Stephen Warren
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