linux-kernel - Re: [PATCH] usb: dwc3: use proper initializers for property entries

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Date:   Sun, 15 Dec 2019 17:41:05 +0100
From:   Hans de Goede <hdegoede@...hat.com>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Felipe Balbi <balbi@...nel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: dwc3: use proper initializers for property entries

Hi,

On 13-12-2019 18:46, Dmitry Torokhov wrote:
> We should not be reaching into property entries and initialize them by
> hand, but rather use proper initializer macros. This way we can alter
> internal representation of property entries with no visible changes to
> their users.
> 
> Reported-by: Marek Szyprowski <m.szyprowski@...sung.com>
> Tested-by: Marek Szyprowski <m.szyprowski@...sung.com>
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
> ---
> 
> It would be good if this could go through Rafael's tree as it is needed
> for the rest of my software_node/property_entry rework patch series
> which I would love not to delay till 5.6.

Patch looks good to me:

Acked-by: Hans de Goede <hdegoede@...hat.com>

Regards,

Hans




> 
> Thanks!
> 
>   drivers/usb/dwc3/host.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c
> index 5567ed2cddbec..fa252870c926f 100644
> --- a/drivers/usb/dwc3/host.c
> +++ b/drivers/usb/dwc3/host.c
> @@ -88,10 +88,10 @@ int dwc3_host_init(struct dwc3 *dwc)
>   	memset(props, 0, sizeof(struct property_entry) * ARRAY_SIZE(props));
>   
>   	if (dwc->usb3_lpm_capable)
> -		props[prop_idx++].name = "usb3-lpm-capable";
> +		props[prop_idx++] = PROPERTY_ENTRY_BOOL("usb3-lpm-capable");
>   
>   	if (dwc->usb2_lpm_disable)
> -		props[prop_idx++].name = "usb2-lpm-disable";
> +		props[prop_idx++] = PROPERTY_ENTRY_BOOL("usb2-lpm-disable");
>   
>   	/**
>   	 * WORKAROUND: dwc3 revisions <=3.00a have a limitation
> @@ -103,7 +103,7 @@ int dwc3_host_init(struct dwc3 *dwc)
>   	 * This following flag tells XHCI to do just that.
>   	 */
>   	if (dwc->revision <= DWC3_REVISION_300A)
> -		props[prop_idx++].name = "quirk-broken-port-ped";
> +		props[prop_idx++] = PROPERTY_ENTRY_BOOL("quirk-broken-port-ped");
>   
>   	if (prop_idx) {
>   		ret = platform_device_add_properties(xhci, props);
>