From: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
To: Marek Szyprowski <m.szyprowski@samsung.com>,
"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
"linux-samsung-soc@vger.kernel.org"
<linux-samsung-soc@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: Felipe Balbi <felipe.balbi@linux.intel.com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Jules Maselbas <jmaselbas@kalray.eu>,
Krzysztof Kozlowski <krzk@kernel.org>
Subject: Re: [PATCH] usb: dwc2: Force 8bit UTMI width for Samsung Exynos SoCs
Date: Tue, 7 May 2019 10:22:33 +0400 [thread overview]
Message-ID: <2f09e746-b3da-cac3-56f4-941fa2bca9d4@synopsys.com> (raw)
In-Reply-To: <20190506130046.20898-1-m.szyprowski@samsung.com>
On 5/6/2019 5:01 PM, Marek Szyprowski wrote:
> Samsung Exynos SoCs require to force UTMI width to 8bit, otherwise the
> host side of the shared USB2 PHY doesn't work.
>
> Reported-by: Krzysztof Kozlowski <krzk@kernel.org>
> Fixes: 707d80f0a3c5 ("usb: dwc2: gadget: Replace phyif with phy_utmi_width")
> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Minas Harutyunyan <hminas@synopsys.com>
> ---
> drivers/usb/dwc2/params.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c
> index 6900eea57526..9ece4affb9d4 100644
> --- a/drivers/usb/dwc2/params.c
> +++ b/drivers/usb/dwc2/params.c
> @@ -76,6 +76,7 @@ static void dwc2_set_s3c6400_params(struct dwc2_hsotg *hsotg)
> struct dwc2_core_params *p = &hsotg->params;
>
> p->power_down = 0;
> + p->phy_utmi_width = 8;
> }
>
> static void dwc2_set_rk_params(struct dwc2_hsotg *hsotg)
>
next prev parent reply other threads:[~2019-05-07 6:22 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-03 20:49 [BUG BISECT] USB on Exynos4412 fails after usb: dwc2: gadget: Replace phyif with phy_utmi_width Krzysztof Kozlowski
[not found] ` <CGME20190506130052eucas1p25afd4e15648e9efc6fd011e46081fbea@eucas1p2.samsung.com>
2019-05-06 13:00 ` [PATCH] usb: dwc2: Force 8bit UTMI width for Samsung Exynos SoCs Marek Szyprowski
2019-05-06 13:40 ` Jules Maselbas
2019-05-07 6:22 ` Minas Harutyunyan [this message]
2019-05-07 8:12 ` Markus Reichl
2019-05-07 9:17 ` Marek Szyprowski
2019-05-07 12:03 ` Marek Szyprowski
2019-05-07 12:38 ` Markus Reichl
2019-06-05 8:57 ` Krzysztof Kozlowski
2019-05-07 6:21 ` [BUG BISECT] USB on Exynos4412 fails after usb: dwc2: gadget: Replace phyif with phy_utmi_width Minas Harutyunyan
2019-05-07 6:43 ` Marek Szyprowski
2019-05-07 10:08 ` [PATCH] usb: dwc2: Use generic PHY width in params setup Jules Maselbas
2019-05-07 10:08 ` Jules Maselbas
2019-05-07 10:54 ` Marek Szyprowski
2019-05-09 9:15 ` [PATCH v2] " Jules Maselbas
2019-05-31 12:22 ` Jules Maselbas
2019-05-31 12:44 ` Minas Harutyunyan
2019-06-06 10:13 ` Marek Szyprowski
2019-06-18 7:26 ` Felipe Balbi
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