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authorArnd Bergmann <arnd@arndb.de>2012-10-04 22:57:00 +0200
committerArnd Bergmann <arnd@arndb.de>2012-10-04 22:57:51 +0200
commitc37d6154c0b9163c27e53cc1d0be3867b4abd760 (patch)
tree7a24522c56d1cb284dff1d3c225bbdaba0901bb5 /drivers/usb/musb/da8xx.c
parente7a570ff7dff9af6e54ff5e580a61ec7652137a0 (diff)
parent8a1ab3155c2ac7fbe5f2038d6e26efeb607a1498 (diff)
Merge branch 'disintegrate-asm-generic' of git://git.infradead.org/users/dhowells/linux-headers into asm-generic
Patches from David Howells <dhowells@redhat.com>: This is to complete part of the UAPI disintegration for which the preparatory patches were pulled recently. Note that there are some fixup patches which are at the base of the branch aimed at you, plus all arches get the asm-generic branch merged in too. * 'disintegrate-asm-generic' of git://git.infradead.org/users/dhowells/linux-headers: UAPI: (Scripted) Disintegrate include/asm-generic UAPI: Fix conditional header installation handling (notably kvm_para.h on m68k) c6x: remove c6x signal.h UAPI: Split compound conditionals containing __KERNEL__ in Arm64 UAPI: Fix the guards on various asm/unistd.h files Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/usb/musb/da8xx.c')
-rw-r--r--drivers/usb/musb/da8xx.c61
1 files changed, 33 insertions, 28 deletions
diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c
index 0f9fcec4e1d..8bc44b76eec 100644
--- a/drivers/usb/musb/da8xx.c
+++ b/drivers/usb/musb/da8xx.c
@@ -33,9 +33,10 @@
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
+#include <linux/usb/nop-usb-xceiv.h>
#include <mach/da8xx.h>
-#include <mach/usb.h>
+#include <linux/platform_data/usb-davinci.h>
#include "musb_core.h"
@@ -155,9 +156,8 @@ static void da8xx_musb_enable(struct musb *musb)
musb_writel(reg_base, DA8XX_USB_INTR_MASK_SET_REG, mask);
/* Force the DRVVBUS IRQ so we can start polling for ID change. */
- if (is_otg_enabled(musb))
- musb_writel(reg_base, DA8XX_USB_INTR_SRC_SET_REG,
- DA8XX_INTR_DRVVBUS << DA8XX_INTR_USB_SHIFT);
+ musb_writel(reg_base, DA8XX_USB_INTR_SRC_SET_REG,
+ DA8XX_INTR_DRVVBUS << DA8XX_INTR_USB_SHIFT);
}
/**
@@ -231,9 +231,6 @@ static void otg_timer(unsigned long _musb)
MUSB_INTR_VBUSERROR << DA8XX_INTR_USB_SHIFT);
break;
case OTG_STATE_B_IDLE:
- if (!is_peripheral_enabled(musb))
- break;
-
/*
* There's no ID-changed IRQ, so we have no good way to tell
* when to switch to the A-Default state machine (by setting
@@ -263,9 +260,6 @@ static void da8xx_musb_try_idle(struct musb *musb, unsigned long timeout)
{
static unsigned long last_timer;
- if (!is_otg_enabled(musb))
- return;
-
if (timeout == 0)
timeout = jiffies + msecs_to_jiffies(3);
@@ -333,8 +327,7 @@ static irqreturn_t da8xx_musb_interrupt(int irq, void *hci)
u8 devctl = musb_readb(mregs, MUSB_DEVCTL);
int err;
- err = is_host_enabled(musb) && (musb->int_usb &
- MUSB_INTR_VBUSERROR);
+ err = musb->int_usb & USB_INTR_VBUSERROR;
if (err) {
/*
* The Mentor core doesn't debounce VBUS as needed
@@ -351,7 +344,7 @@ static irqreturn_t da8xx_musb_interrupt(int irq, void *hci)
musb->xceiv->state = OTG_STATE_A_WAIT_VFALL;
mod_timer(&otg_workaround, jiffies + POLL_SECONDS * HZ);
WARNING("VBUS error workaround (delay coming)\n");
- } else if (is_host_enabled(musb) && drvvbus) {
+ } else if (drvvbus) {
MUSB_HST_MODE(musb);
otg->default_a = 1;
musb->xceiv->state = OTG_STATE_A_WAIT_VRISE;
@@ -382,7 +375,7 @@ static irqreturn_t da8xx_musb_interrupt(int irq, void *hci)
musb_writel(reg_base, DA8XX_USB_END_OF_INTR_REG, 0);
/* Poll for ID change */
- if (is_otg_enabled(musb) && musb->xceiv->state == OTG_STATE_B_IDLE)
+ if (musb->xceiv->state == OTG_STATE_B_IDLE)
mod_timer(&otg_workaround, jiffies + POLL_SECONDS * HZ);
spin_unlock_irqrestore(&musb->lock, flags);
@@ -430,8 +423,7 @@ static int da8xx_musb_init(struct musb *musb)
if (IS_ERR_OR_NULL(musb->xceiv))
goto fail;
- if (is_host_enabled(musb))
- setup_timer(&otg_workaround, otg_timer, (unsigned long)musb);
+ setup_timer(&otg_workaround, otg_timer, (unsigned long)musb);
/* Reset the controller */
musb_writel(reg_base, DA8XX_USB_CTRL_REG, DA8XX_SOFT_RESET_MASK);
@@ -454,8 +446,7 @@ fail:
static int da8xx_musb_exit(struct musb *musb)
{
- if (is_host_enabled(musb))
- del_timer_sync(&otg_workaround);
+ del_timer_sync(&otg_workaround);
phy_off();
@@ -489,6 +480,7 @@ static int __devinit da8xx_probe(struct platform_device *pdev)
struct clk *clk;
int ret = -ENOMEM;
+ int musbid;
glue = kzalloc(sizeof(*glue), GFP_KERNEL);
if (!glue) {
@@ -496,25 +488,34 @@ static int __devinit da8xx_probe(struct platform_device *pdev)
goto err0;
}
- musb = platform_device_alloc("musb-hdrc", -1);
+ /* get the musb id */
+ musbid = musb_get_id(&pdev->dev, GFP_KERNEL);
+ if (musbid < 0) {
+ dev_err(&pdev->dev, "failed to allocate musb id\n");
+ ret = -ENOMEM;
+ goto err1;
+ }
+
+ musb = platform_device_alloc("musb-hdrc", musbid);
if (!musb) {
dev_err(&pdev->dev, "failed to allocate musb device\n");
- goto err1;
+ goto err2;
}
clk = clk_get(&pdev->dev, "usb20");
if (IS_ERR(clk)) {
dev_err(&pdev->dev, "failed to get clock\n");
ret = PTR_ERR(clk);
- goto err2;
+ goto err3;
}
ret = clk_enable(clk);
if (ret) {
dev_err(&pdev->dev, "failed to enable clock\n");
- goto err3;
+ goto err4;
}
+ musb->id = musbid;
musb->dev.parent = &pdev->dev;
musb->dev.dma_mask = &da8xx_dmamask;
musb->dev.coherent_dma_mask = da8xx_dmamask;
@@ -531,32 +532,35 @@ static int __devinit da8xx_probe(struct platform_device *pdev)
pdev->num_resources);
if (ret) {
dev_err(&pdev->dev, "failed to add resources\n");
- goto err4;
+ goto err5;
}
ret = platform_device_add_data(musb, pdata, sizeof(*pdata));
if (ret) {
dev_err(&pdev->dev, "failed to add platform_data\n");
- goto err4;
+ goto err5;
}
ret = platform_device_add(musb);
if (ret) {
dev_err(&pdev->dev, "failed to register musb device\n");
- goto err4;
+ goto err5;
}
return 0;
-err4:
+err5:
clk_disable(clk);
-err3:
+err4:
clk_put(clk);
-err2:
+err3:
platform_device_put(musb);
+err2:
+ musb_put_id(&pdev->dev, musbid);
+
err1:
kfree(glue);
@@ -568,6 +572,7 @@ static int __devexit da8xx_remove(struct platform_device *pdev)
{
struct da8xx_glue *glue = platform_get_drvdata(pdev);
+ musb_put_id(&pdev->dev, glue->musb->id);
platform_device_del(glue->musb);
platform_device_put(glue->musb);
clk_disable(glue->clk);