From mboxrd@z Thu Jan 1 00:00:00 1970 From: yuantian.tang@nxp.com (yuantian.tang at nxp.com) Date: Wed, 16 Nov 2016 11:11:19 +0800 Subject: [PATCH 2/2] ahci: qoriq: report warning when ecc register is missing In-Reply-To: <1479265879-48840-1-git-send-email-yuantian.tang@nxp.com> References: <1479265879-48840-1-git-send-email-yuantian.tang@nxp.com> Message-ID: <1479265879-48840-2-git-send-email-yuantian.tang@nxp.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Tang Yuantian For ls1021a and ls1046a socs, sata ecc must be disabled. If ecc register is not found in sata node in dts, report a warning. Signed-off-by: Tang Yuantian --- drivers/ata/ahci_qoriq.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/ata/ahci_qoriq.c b/drivers/ata/ahci_qoriq.c index 45c88de..66eb4b5 100644 --- a/drivers/ata/ahci_qoriq.c +++ b/drivers/ata/ahci_qoriq.c @@ -158,6 +158,7 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv) switch (qpriv->type) { case AHCI_LS1021A: + WARN_ON(!qpriv->ecc_addr); writel(SATA_ECC_DISABLE, qpriv->ecc_addr); writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1); writel(LS1021A_PORT_PHY2, reg_base + PORT_PHY2); @@ -185,6 +186,7 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv) break; case AHCI_LS1046A: + WARN_ON(!qpriv->ecc_addr); writel(LS1046A_SATA_ECC_DIS, qpriv->ecc_addr); writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1); writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS); -- 2.1.0.27.g96db324