From: Roger Quadros <rogerq@ti.com>
To: <hdegoede@redhat.com>, <axboe@kernel.dk>
Cc: <vigneshr@ti.com>, <nsekhar@ti.com>, <linux-ide@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, Roger Quadros <rogerq@ti.com>,
<stable@vger.kernel.org>
Subject: [PATCH] ata: ahci_platform: add 32-bit quirk for dwc-ahci
Date: Thu, 6 Feb 2020 13:17:28 +0200 [thread overview]
Message-ID: <20200206111728.6703-1-rogerq@ti.com> (raw)
On TI Platforms using LPAE, SATA breaks with 64-bit DMA.
Restrict it to 32-bit.
Cc: stable@vger.kernel.org
Signed-off-by: Roger Quadros <rogerq@ti.com>
---
drivers/ata/ahci_platform.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c
index 3aab2e3d57f3..b925dc54cfa5 100644
--- a/drivers/ata/ahci_platform.c
+++ b/drivers/ata/ahci_platform.c
@@ -62,6 +62,9 @@ static int ahci_probe(struct platform_device *pdev)
if (of_device_is_compatible(dev->of_node, "hisilicon,hisi-ahci"))
hpriv->flags |= AHCI_HFLAG_NO_FBS | AHCI_HFLAG_NO_NCQ;
+ if (of_device_is_compatible(dev->of_node, "snps,dwc-ahci"))
+ hpriv->flags |= AHCI_HFLAG_32BIT_ONLY;
+
port = acpi_device_get_match_data(dev);
if (!port)
port = &ahci_port_info;
--
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
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next reply other threads:[~2020-02-06 11:17 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-06 11:17 Roger Quadros [this message]
2020-02-06 11:50 ` [PATCH] ata: ahci_platform: add 32-bit quirk for dwc-ahci Hans de Goede
2020-02-06 11:54 ` Roger Quadros
2020-02-12 11:01 ` Roger Quadros
2020-02-12 11:32 ` Hans de Goede
2020-02-12 11:43 ` Robin Murphy
2020-02-12 11:56 ` David Laight
2020-02-12 12:09 ` Robin Murphy
2020-02-13 7:24 ` Roger Quadros
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