linux-kernel - Re: [PATCH] usb: host: ehci-platform: Update brcm, xgs-iproc-ehci workaround

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-prev] [day] [month] [year] [list]

Message-ID: <YgvZblgRiqzi6QlI@rowland.harvard.edu>
Date:   Tue, 15 Feb 2022 11:48:46 -0500
From:   Alan Stern <stern@...land.harvard.edu>
To:     Chris Packham <chris.packham@...iedtelesis.co.nz>
Cc:     gregkh@...uxfoundation.org, linux-arm-kernel@...ts.infradead.org,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: host: ehci-platform: Update brcm, xgs-iproc-ehci
 workaround

On Tue, Feb 15, 2022 at 01:08:13PM +1300, Chris Packham wrote:
> The original workaround was added prior to commit e4788edc730a ("USB:
> EHCI: Add alias for Broadcom INSNREG"). Now that brcm_insnreg exists in
> struct ehci_regs we can use that instead of having a local definition.
> 
> Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>
> ---

Acked-by: Alan Stern <stern@...land.harvard.edu>

>  drivers/usb/host/ehci-platform.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
> index c3dc906274d9..1115431a255d 100644
> --- a/drivers/usb/host/ehci-platform.c
> +++ b/drivers/usb/host/ehci-platform.c
> @@ -43,7 +43,6 @@
>  #define hcd_to_ehci_priv(h) ((struct ehci_platform_priv *)hcd_to_ehci(h)->priv)
>  
>  #define BCM_USB_FIFO_THRESHOLD	0x00800040
> -#define bcm_iproc_insnreg01	hostpc[0]
>  
>  struct ehci_platform_priv {
>  	struct clk *clks[EHCI_MAX_CLKS];
> @@ -81,7 +80,7 @@ static int ehci_platform_reset(struct usb_hcd *hcd)
>  
>  	if (of_device_is_compatible(pdev->dev.of_node, "brcm,xgs-iproc-ehci"))
>  		ehci_writel(ehci, BCM_USB_FIFO_THRESHOLD,
> -			    &ehci->regs->bcm_iproc_insnreg01);
> +			    &ehci->regs->brcm_insnreg[1]);
>  
>  	return 0;
>  }