ahci: imx: add namespace for register enums

Update register enums a little bit to add proper namespace prefix, and
have the names match i.MX reference manual.

Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/drivers/ata/ahci_imx.c b/drivers/ata/ahci_imx.c
index 497c7abe1c7df5ef79ccd246828b68a1251c5201..776757634e908db86b6c40007219fbc5e8d13abd 100644 (file)
--- a/drivers/ata/ahci_imx.c
+++ b/drivers/ata/ahci_imx.c
@@ -29,9 +29,11 @@
 #include "ahci.h"
 
 enum {
-       PORT_PHY_CTL = 0x178,                   /* Port0 PHY Control */
-       PORT_PHY_CTL_PDDQ_LOC = 0x100000,       /* PORT_PHY_CTL bits */
-       HOST_TIMER1MS = 0xe0,                   /* Timer 1-ms */
+       /* Timer 1-ms Register */
+       IMX_TIMER1MS                            = 0x00e0,
+       /* Port0 PHY Control Register */
+       IMX_P0PHYCR                             = 0x0178,
+       IMX_P0PHYCR_TEST_PDDQ                   = 1 << 20,
 };
 
 enum ahci_imx_type {
@@ -156,8 +158,8 @@ static void ahci_imx_error_handler(struct ata_port *ap)
         * without full reset once the pddq mode is enabled making it
         * impossible to use as part of libata LPM.
         */
-       reg_val = readl(mmio + PORT_PHY_CTL);
-       writel(reg_val | PORT_PHY_CTL_PDDQ_LOC, mmio + PORT_PHY_CTL);
+       reg_val = readl(mmio + IMX_P0PHYCR);
+       writel(reg_val | IMX_P0PHYCR_TEST_PDDQ, mmio + IMX_P0PHYCR);
        imx_sata_disable(hpriv);
        imxpriv->no_device = true;
 }
@@ -248,7 +250,7 @@ static int imx_ahci_probe(struct platform_device *pdev)
 
        /*
         * Configure the HWINIT bits of the HOST_CAP and HOST_PORTS_IMPL,
-        * and IP vendor specific register HOST_TIMER1MS.
+        * and IP vendor specific register IMX_TIMER1MS.
         * Configure CAP_SSS (support stagered spin up).
         * Implement the port0.
         * Get the ahb clock rate, and configure the TIMER1MS register.
@@ -265,7 +267,7 @@ static int imx_ahci_probe(struct platform_device *pdev)
        }
 
        reg_val = clk_get_rate(imxpriv->ahb_clk) / 1000;
-       writel(reg_val, hpriv->mmio + HOST_TIMER1MS);
+       writel(reg_val, hpriv->mmio + IMX_TIMER1MS);
 
        ret = ahci_platform_init_host(pdev, hpriv, &ahci_imx_port_info, 0, 0);
        if (ret)