linux-kernel - [PATCH v2] usb: ehci-orion: Extend DMA mask to 64 bit for AC5 platform

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Date:   Tue, 18 Oct 2022 14:34:00 +0300
From:   Vadym Kochan <vadym.kochan@...ision.eu>
To:     Alan Stern <stern@...land.harvard.edu>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Elad Nachman <enachman@...vell.com>,
        Vadym Kochan <vadym.kochan@...ision.eu>
Subject: [PATCH v2] usb: ehci-orion: Extend DMA mask to 64 bit for AC5 platform

From: Elad Nachman <enachman@...vell.com>

AC5 is a 64-bit platform so extend the dma mask accordingly.

Checked this mask on armv7 a38x SoC (which has this
USB controller) platform with simple fs ops on the storage device
but on older 4.14 Linux version.

Signed-off-by: Elad Nachman <enachman@...vell.com>
Signed-off-by: Vadym Kochan <vadym.kochan@...ision.eu>
---
v2:
   Add missing description.

 drivers/usb/host/ehci-orion.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c
index a3454a3ea4e0..c6205abebbdf 100644
--- a/drivers/usb/host/ehci-orion.c
+++ b/drivers/usb/host/ehci-orion.c
@@ -230,7 +230,7 @@ static int ehci_orion_drv_probe(struct platform_device *pdev)
 	 * set. Since shared usb code relies on it, set it here for
 	 * now. Once we have dma capability bindings this can go away.
 	 */
-	err = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
+	err = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
 	if (err)
 		goto err;
 
-- 
2.17.1