ARM: omap1: remove dead code

After the removal of the unused board files, I went through the
omap1 code to look for code that no longer has any callers
and remove that.

In particular, support for the omap7xx/omap8xx family is now
completely unused, so I'm only leaving omap15xx/omap16xx/omap59xx.

Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Cc: linux-omap@vger.kernel.org
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

5 files changed, 6 insertions, 133 deletions

diff --git a/drivers/spi/spi-omap-uwire.c b/drivers/spi/spi-omap-uwire.c
index 29198e6815b2..20c87163d612 100644
--- a/drivers/spi/spi-omap-uwire.c
+++ b/drivers/spi/spi-omap-uwire.c
@@ -99,7 +99,7 @@ struct uwire_state {
  * Or, put it in a structure which is used throughout the driver;
  * that avoids having to issue two loads for each bit of static data.
  */
-static unsigned int uwire_idx_shift;
+static unsigned int uwire_idx_shift = 2;
 static void __iomem *uwire_base;
 
 static inline void uwire_write_reg(int idx, u16 val)
@@ -481,11 +481,6 @@ static int uwire_probe(struct platform_device *pdev)
 	}
 	clk_prepare_enable(uwire->ck);
 
-	if (cpu_is_omap7xx())
-		uwire_idx_shift = 1;
-	else
-		uwire_idx_shift = 2;
-
 	uwire_write_reg(UWIRE_SR3, 1);
 
 	/* the spi->mode bits understood by this driver: */
@@ -536,15 +531,6 @@ static struct platform_driver uwire_driver = {
 
 static int __init omap_uwire_init(void)
 {
-	/* FIXME move these into the relevant board init code. also, include
-	 * H3 support; it uses tsc2101 like H2 (on a different chipselect).
-	 */
-
-	if (machine_is_omap_h2()) {
-		/* defaults: W21 SDO, U18 SDI, V19 SCL */
-		omap_cfg_reg(N14_1610_UWIRE_CS0);
-		omap_cfg_reg(N15_1610_UWIRE_CS1);
-	}
 	return platform_driver_register(&uwire_driver);
 }
 
diff --git a/drivers/usb/gadget/udc/omap_udc.c b/drivers/usb/gadget/udc/omap_udc.c
index bea346e362b2..1be8c19f2a04 100644
--- a/drivers/usb/gadget/udc/omap_udc.c
+++ b/drivers/usb/gadget/udc/omap_udc.c
@@ -2036,12 +2036,7 @@ static irqreturn_t omap_udc_iso_irq(int irq, void *_dev)
 
 static inline int machine_without_vbus_sense(void)
 {
-	return machine_is_omap_innovator()
-		|| machine_is_omap_osk()
-		|| machine_is_omap_palmte()
-		|| machine_is_sx1()
-		/* No known omap7xx boards with vbus sense */
-		|| cpu_is_omap7xx();
+	return  machine_is_omap_osk() || machine_is_sx1();
 }
 
 static int omap_udc_start(struct usb_gadget *g,
@@ -2759,9 +2754,6 @@ static int omap_udc_probe(struct platform_device *pdev)
 	struct clk		*dc_clk = NULL;
 	struct clk		*hhc_clk = NULL;
 
-	if (cpu_is_omap7xx())
-		use_dma = 0;
-
 	/* NOTE:  "knows" the order of the resources! */
 	if (!request_mem_region(pdev->resource[0].start,
 			resource_size(&pdev->resource[0]),
@@ -2780,16 +2772,6 @@ static int omap_udc_probe(struct platform_device *pdev)
 		udelay(100);
 	}
 
-	if (cpu_is_omap7xx()) {
-		dc_clk = clk_get(&pdev->dev, "usb_dc_ck");
-		hhc_clk = clk_get(&pdev->dev, "l3_ocpi_ck");
-		BUG_ON(IS_ERR(dc_clk) || IS_ERR(hhc_clk));
-		/* can't use omap_udc_enable_clock yet */
-		clk_prepare_enable(dc_clk);
-		clk_prepare_enable(hhc_clk);
-		udelay(100);
-	}
-
 	INFO("OMAP UDC rev %d.%d%s\n",
 		omap_readw(UDC_REV) >> 4, omap_readw(UDC_REV) & 0xf,
 		config->otg ? ", Mini-AB" : "");
@@ -2914,7 +2896,7 @@ bad_on_1710:
 		goto cleanup1;
 	}
 #endif
-	if (cpu_is_omap16xx() || cpu_is_omap7xx()) {
+	if (cpu_is_omap16xx()) {
 		udc->dc_clk = dc_clk;
 		udc->hhc_clk = hhc_clk;
 		clk_disable(hhc_clk);
@@ -2933,7 +2915,7 @@ cleanup0:
 	if (!IS_ERR_OR_NULL(xceiv))
 		usb_put_phy(xceiv);
 
-	if (cpu_is_omap16xx() || cpu_is_omap7xx()) {
+	if (cpu_is_omap16xx()) {
 		clk_disable_unprepare(hhc_clk);
 		clk_disable_unprepare(dc_clk);
 		clk_put(hhc_clk);
diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c
index cb29701df911..d7f594db56c6 100644
--- a/drivers/usb/host/ohci-omap.c
+++ b/drivers/usb/host/ohci-omap.c
@@ -107,10 +107,6 @@ static int ohci_omap_reset(struct usb_hcd *hcd)
 		hcd->power_budget = 8;
 	}
 
-	/* boards can use OTG transceivers in non-OTG modes */
-	need_transceiver = need_transceiver
-			|| machine_is_omap_h2() || machine_is_omap_h3();
-
 	/* XXX OMAP16xx only */
 	if (config->ocpi_enable)
 		config->ocpi_enable();
@@ -150,7 +146,7 @@ static int ohci_omap_reset(struct usb_hcd *hcd)
 	}
 
 	/* board-specific power switching and overcurrent support */
-	if (machine_is_omap_osk() || machine_is_omap_innovator()) {
+	if (machine_is_omap_osk()) {
 		u32	rh = roothub_a (ohci);
 
 		/* power switching (ganged by default) */
diff --git a/drivers/usb/phy/phy-isp1301-omap.c b/drivers/usb/phy/phy-isp1301-omap.c
index 931610b76f3d..57cf9d88814b 100644
--- a/drivers/usb/phy/phy-isp1301-omap.c
+++ b/drivers/usb/phy/phy-isp1301-omap.c
@@ -77,51 +77,6 @@ struct isp1301 {
 
 /*-------------------------------------------------------------------------*/
 
-/* board-specific PM hooks */
-
-#if defined(CONFIG_MACH_OMAP_H2) || defined(CONFIG_MACH_OMAP_H3)
-
-#if IS_REACHABLE(CONFIG_TPS65010)
-
-#include <linux/mfd/tps65010.h>
-
-#else
-
-static inline int tps65010_set_vbus_draw(unsigned mA)
-{
-	pr_debug("tps65010: draw %d mA (STUB)\n", mA);
-	return 0;
-}
-
-#endif
-
-static void enable_vbus_draw(struct isp1301 *isp, unsigned mA)
-{
-	int status = tps65010_set_vbus_draw(mA);
-	if (status < 0)
-		pr_debug("  VBUS %d mA error %d\n", mA, status);
-}
-
-#else
-
-static void enable_vbus_draw(struct isp1301 *isp, unsigned mA)
-{
-	/* H4 controls this by DIP switch S2.4; no soft control.
-	 * ON means the charger is always enabled.  Leave it OFF
-	 * unless the OTG port is used only in B-peripheral mode.
-	 */
-}
-
-#endif
-
-static void enable_vbus_source(struct isp1301 *isp)
-{
-	/* this board won't supply more than 8mA vbus power.
-	 * some boards can switch a 100ma "unit load" (or more).
-	 */
-}
-
-
 /* products will deliver OTG messages with LEDs, GUI, etc */
 static inline void notresponding(struct isp1301 *isp)
 {
@@ -916,10 +871,8 @@ static void b_peripheral(struct isp1301 *isp)
 	usb_gadget_vbus_connect(isp->phy.otg->gadget);
 
 #ifdef	CONFIG_USB_OTG
-	enable_vbus_draw(isp, 8);
 	otg_update_isp(isp);
 #else
-	enable_vbus_draw(isp, 100);
 	/* UDC driver just set OTG_BSESSVLD */
 	isp1301_set_bits(isp, ISP1301_OTG_CONTROL_1, OTG1_DP_PULLUP);
 	isp1301_clear_bits(isp, ISP1301_OTG_CONTROL_1, OTG1_DP_PULLDOWN);
@@ -947,7 +900,6 @@ static void isp_update_otg(struct isp1301 *isp, u8 stat)
 				a_idle(isp, "idle");
 				fallthrough;
 			case OTG_STATE_A_IDLE:
-				enable_vbus_source(isp);
 				fallthrough;
 			case OTG_STATE_A_WAIT_VRISE:
 				/* we skip over OTG_STATE_A_WAIT_BCON, since
@@ -1023,7 +975,6 @@ static void isp_update_otg(struct isp1301 *isp, u8 stat)
 		case OTG_STATE_B_HOST:
 			if (likely(isp_bstat & OTG_B_SESS_VLD))
 				break;
-			enable_vbus_draw(isp, 0);
 #ifndef	CONFIG_USB_OTG
 			/* UDC driver will clear OTG_BSESSVLD */
 			isp1301_set_bits(isp, ISP1301_OTG_CONTROL_1,
@@ -1283,9 +1234,6 @@ isp1301_set_host(struct usb_otg *otg, struct usb_bus *host)
 
 	power_up(isp);
 
-	if (machine_is_omap_h2())
-		isp1301_set_bits(isp, ISP1301_MODE_CONTROL_1, MC1_DAT_SE0);
-
 	dev_info(&isp->client->dev, "A-Host sessions ok\n");
 	isp1301_set_bits(isp, ISP1301_INTERRUPT_RISING,
 		INTR_ID_GND);
@@ -1320,8 +1268,6 @@ isp1301_set_peripheral(struct usb_otg *otg, struct usb_gadget *gadget)
 
 	if (!gadget) {
 		omap_writew(0, OTG_IRQ_EN);
-		if (!otg->default_a)
-			enable_vbus_draw(isp, 0);
 		usb_gadget_vbus_disconnect(otg->gadget);
 		otg->gadget = NULL;
 		power_down(isp);
@@ -1352,9 +1298,6 @@ isp1301_set_peripheral(struct usb_otg *otg, struct usb_gadget *gadget)
 	power_up(isp);
 	isp->phy.otg->state = OTG_STATE_B_IDLE;
 
-	if (machine_is_omap_h2() || machine_is_omap_h3())
-		isp1301_set_bits(isp, ISP1301_MODE_CONTROL_1, MC1_DAT_SE0);
-
 	isp1301_set_bits(isp, ISP1301_INTERRUPT_RISING,
 		INTR_SESS_VLD);
 	isp1301_set_bits(isp, ISP1301_INTERRUPT_FALLING,
@@ -1381,16 +1324,6 @@ isp1301_set_peripheral(struct usb_otg *otg, struct usb_gadget *gadget)
 /*-------------------------------------------------------------------------*/
 
 static int
-isp1301_set_power(struct usb_phy *dev, unsigned mA)
-{
-	if (!the_transceiver)
-		return -ENODEV;
-	if (dev->otg->state == OTG_STATE_B_PERIPHERAL)
-		enable_vbus_draw(the_transceiver, mA);
-	return 0;
-}
-
-static int
 isp1301_start_srp(struct usb_otg *otg)
 {
 	struct isp1301	*isp = container_of(otg->usb_phy, struct isp1301, phy);
@@ -1538,26 +1471,7 @@ isp1301_probe(struct i2c_client *i2c)
 	}
 #endif
 
-	if (machine_is_omap_h2()) {
-		struct gpio_desc *gpiod;
-
-		/* full speed signaling by default */
-		isp1301_set_bits(isp, ISP1301_MODE_CONTROL_1,
-			MC1_SPEED);
-		isp1301_set_bits(isp, ISP1301_MODE_CONTROL_2,
-			MC2_SPD_SUSP_CTRL);
-
-		gpiod = devm_gpiod_get(&i2c->dev, NULL, GPIOD_IN);
-		if (IS_ERR(gpiod)) {
-			dev_err(&i2c->dev, "cannot obtain H2 GPIO\n");
-			goto fail;
-		}
-		gpiod_set_consumer_name(gpiod, "isp1301");
-		irq = gpiod_to_irq(gpiod);
-		isp->irq_type = IRQF_TRIGGER_FALLING;
-	} else {
-		irq = i2c->irq;
-	}
+	irq = i2c->irq;
 
 	status = request_irq(irq, isp1301_irq,
 			isp->irq_type, DRIVER_NAME, isp);
@@ -1569,15 +1483,12 @@ isp1301_probe(struct i2c_client *i2c)
 
 	isp->phy.dev = &i2c->dev;
 	isp->phy.label = DRIVER_NAME;
-	isp->phy.set_power = isp1301_set_power;
-
 	isp->phy.otg->usb_phy = &isp->phy;
 	isp->phy.otg->set_host = isp1301_set_host;
 	isp->phy.otg->set_peripheral = isp1301_set_peripheral;
 	isp->phy.otg->start_srp = isp1301_start_srp;
 	isp->phy.otg->start_hnp = isp1301_start_hnp;
 
-	enable_vbus_draw(isp, 0);
 	power_down(isp);
 	the_transceiver = isp;
 
diff --git a/drivers/video/fbdev/omap/lcdc.c b/drivers/video/fbdev/omap/lcdc.c
index e7ce783e5215..abb8b11464e8 100644
--- a/drivers/video/fbdev/omap/lcdc.c
+++ b/drivers/video/fbdev/omap/lcdc.c
@@ -706,8 +706,6 @@ static int omap_lcdc_init(struct omapfb_device *fbdev, int ext_mode,
 
 	if (machine_is_ams_delta())
 		rate /= 4;
-	if (machine_is_omap_h3())
-		rate /= 3;
 	r = clk_set_rate(lcdc.lcd_ck, rate);
 	if (r) {
 		dev_err(fbdev->dev, "failed to adjust LCD rate\n");