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authorRussell King <rmk+kernel@arm.linux.org.uk>2014-06-23 15:59:08 +0400
committerTejun Heo <tj@kernel.org>2014-06-25 01:58:14 +0400
commitf118ae5901172dacc4f272acf5eccfba06e8d221 (patch)
tree69be5dd83c28b3151641bf76e8fcc6f99202abb6 /drivers/ata/ahci_imx.c
parent72cbaa3d2f563d7b48c9f8aef47ec9aa3a31adf2 (diff)
downloadlinux-f118ae5901172dacc4f272acf5eccfba06e8d221.tar.xz
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>
Diffstat (limited to 'drivers/ata/ahci_imx.c')
-rw-r--r--drivers/ata/ahci_imx.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/ata/ahci_imx.c b/drivers/ata/ahci_imx.c
index 4384a7d72133..cac4360f272a 100644
--- a/drivers/ata/ahci_imx.c
+++ b/drivers/ata/ahci_imx.c
@@ -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,