[PATCH 8/9] ata: Add support for the Tegra124 SATA controller
From: Stephen Warren <hidden>
Date: 2014-06-16 22:21:58
Also in:
linux-ide, linux-tegra, lkml
On 06/04/2014 05:32 AM, Mikko Perttunen wrote:
This adds support for the integrated AHCI-compliant Serial ATA controller present on the NVIDIA Tegra124 system-on-chip.
quoted hunk ↗ jump to hunk
diff --git a/drivers/ata/ahci_tegra.c b/drivers/ata/ahci_tegra.c
+static int tegra_ahci_controller_init(struct ahci_host_priv *hpriv)
+ /* Pad calibration */
+
+ ret = tegra_fuse_readl(0x224, &val);
+ if (ret) {
+ dev_err(&tegra->pdev->dev,
+ "failed to read sata calibration fuse: %d\n", ret);
+ return ret;
+ }
+
+ calib = tegra124_pad_calibration[val];Shouldn't val be range-checked before blindly using it?