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ata: ahci_imx: warn when disabling ahci link 

When the AHCI link is disabled, it can't be re-enabled except by
resetting the entire SoC.  Rather than doing this silently print
some kernel messages to inform the user, along with how to avoid
this.

tj: Put a long printf format string on a single line.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Tejun Heo <tj@kernel.org>
hifive-unleashed-5.1
Russell King 2014-06-23 12:59:08 +01:00 committed by Tejun Heo
parent 72cbaa3d2f
commit f118ae5901
1 changed files with 3 additions and 0 deletions
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3
drivers/ata/ahci_imx.c
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@ -326,6 +326,9 @@ static void ahci_imx_error_handler(struct ata_port *ap)
writel(reg_val | IMX_P0PHYCR_TEST_PDDQ, mmio + IMX_P0PHYCR);
imx_sata_disable(hpriv);
imxpriv->no_device = true;
dev_info(ap->dev, "no device found, disabling link.\n");
dev_info(ap->dev, "pass " MODULE_PARAM_PREFIX ".hotplug=1 to enable hotplug\n");
}
static int ahci_imx_softreset(struct ata_link *link, unsigned int *class,