1 files changed, 0 insertions, 34 deletions

diff --git a/drivers/ata/sata_gemini.c b/drivers/ata/sata_gemini.c
index 373051ea8211..071e49971f6d 100644
--- a/drivers/ata/sata_gemini.c
+++ b/drivers/ata/sata_gemini.c
@@ -43,17 +43,6 @@ struct sata_gemini {
 	struct clk *sata1_pclk;
 };
 
-/* Global IDE PAD Skew Control Register */
-#define GEMINI_GLOBAL_IDE_SKEW_CTRL		0x18
-#define GEMINI_IDE1_HOST_STROBE_DELAY_SHIFT	28
-#define GEMINI_IDE1_DEVICE_STROBE_DELAY_SHIFT	24
-#define GEMINI_IDE1_OUTPUT_IO_SKEW_SHIFT	20
-#define GEMINI_IDE1_INPUT_IO_SKEW_SHIFT		16
-#define GEMINI_IDE0_HOST_STROBE_DELAY_SHIFT	12
-#define GEMINI_IDE0_DEVICE_STROBE_DELAY_SHIFT	8
-#define GEMINI_IDE0_OUTPUT_IO_SKEW_SHIFT	4
-#define GEMINI_IDE0_INPUT_IO_SKEW_SHIFT		0
-
 /* Miscellaneous Control Register */
 #define GEMINI_GLOBAL_MISC_CTRL		0x30
 /*
@@ -91,8 +80,6 @@ struct sata_gemini {
 #define GEMINI_IDE_IOMUX_MODE2			(2 << 24)
 #define GEMINI_IDE_IOMUX_MODE3			(3 << 24)
 #define GEMINI_IDE_IOMUX_SHIFT			(24)
-#define GEMINI_IDE_PADS_ENABLE			BIT(4)
-#define GEMINI_PFLASH_PADS_DISABLE		BIT(1)
 
 /*
  * Registers directly controlling the PATA<->SATA adapters
@@ -310,7 +297,6 @@ static int gemini_sata_probe(struct platform_device *pdev)
 	enum gemini_muxmode muxmode;
 	u32 gmode;
 	u32 gmask;
-	u32 val;
 	int ret;
 
 	sg = devm_kzalloc(dev, sizeof(*sg), GFP_KERNEL);
@@ -362,16 +348,6 @@ static int gemini_sata_probe(struct platform_device *pdev)
 	gmask = GEMINI_IDE_IOMUX_MASK;
 	gmode = (muxmode << GEMINI_IDE_IOMUX_SHIFT);
 
-	/*
-	 * If we mux out the IDE, parallel flash must be disabled.
-	 * SATA0 and SATA1 have dedicated pins and may coexist with
-	 * parallel flash.
-	 */
-	if (sg->ide_pins)
-		gmode |= GEMINI_IDE_PADS_ENABLE | GEMINI_PFLASH_PADS_DISABLE;
-	else
-		gmask |= GEMINI_IDE_PADS_ENABLE;
-
 	ret = regmap_update_bits(map, GEMINI_GLOBAL_MISC_CTRL, gmask, gmode);
 	if (ret) {
 		dev_err(dev, "unable to set up IDE muxing\n");
@@ -379,16 +355,6 @@ static int gemini_sata_probe(struct platform_device *pdev)
 		goto out_unprep_clk;
 	}
 
-	/* FIXME: add more elaborate IDE skew control handling */
-	if (sg->ide_pins) {
-		ret = regmap_read(map, GEMINI_GLOBAL_IDE_SKEW_CTRL, &val);
-		if (ret) {
-			dev_err(dev, "cannot read IDE skew control register\n");
-			return ret;
-		}
-		dev_info(dev, "IDE skew control: %08x\n", val);
-	}
-
 	dev_info(dev, "set up the Gemini IDE/SATA nexus\n");
 	platform_set_drvdata(pdev, sg);
 	sg_singleton = sg;