From: Ming Lei <tom.leiming@xxxxxxxxx>
Each hw controller may have different fifo configuraion,
so passing fifo_mode from hw glue is very reasonable.
Signed-off-by: Ming Lei <tom.leiming@xxxxxxxxx>
---
drivers/usb/musb/am35x.c | 1 +
drivers/usb/musb/blackfin.c | 1 +
drivers/usb/musb/da8xx.c | 1 +
drivers/usb/musb/davinci.c | 1 +
drivers/usb/musb/musb_core.c | 11 ++++-------
drivers/usb/musb/musb_core.h | 2 ++
drivers/usb/musb/omap2430.c | 1 +
drivers/usb/musb/tusb6010.c | 1 +
8 files changed, 12 insertions(+), 7 deletions(-)
diff --git a/drivers/usb/musb/am35x.c b/drivers/usb/musb/am35x.c
index 6ab6ed2..20231f3 100644
--- a/drivers/usb/musb/am35x.c
+++ b/drivers/usb/musb/am35x.c
@@ -442,6 +442,7 @@ static void am35x_musb_read_fifo(struct musb_hw_ep *hw_ep, u16 len, u8 *dst)
}
static const struct musb_platform_ops am35x_ops = {
+ .fifo_mode = 4,
.init = am35x_musb_init,
.exit = am35x_musb_exit,
diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c
index 6d61349..f6127ef8 100644
--- a/drivers/usb/musb/blackfin.c
+++ b/drivers/usb/musb/blackfin.c
@@ -416,6 +416,7 @@ static int bfin_musb_exit(struct musb *musb)
}
static const struct musb_platform_ops bfin_ops = {
+ .fifo_mode = 2,
.init = bfin_musb_init,
.exit = bfin_musb_exit,
diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c
index 616da28..5cc7881 100644
--- a/drivers/usb/musb/da8xx.c
+++ b/drivers/usb/musb/da8xx.c
@@ -470,6 +470,7 @@ static int da8xx_musb_exit(struct musb *musb)
}
static const struct musb_platform_ops da8xx_ops = {
+ .fifo_mode = 2,
.init = da8xx_musb_init,
.exit = da8xx_musb_exit,
diff --git a/drivers/usb/musb/davinci.c b/drivers/usb/musb/davinci.c
index 6987899..3c7f39a 100644
--- a/drivers/usb/musb/davinci.c
+++ b/drivers/usb/musb/davinci.c
@@ -505,6 +505,7 @@ static int davinci_musb_exit(struct musb *musb)
}
static const struct musb_platform_ops davinci_ops = {
+ .fifo_mode = 2,
.init = davinci_musb_init,
.exit = davinci_musb_exit,
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index cf8895a..2f73002 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -1061,15 +1061,10 @@ static void musb_shutdown(struct platform_device *pdev)
* We don't currently use dynamic fifo setup capability to do anything
* more than selecting one of a bunch of predefined configurations.
*/
-#if defined(CONFIG_USB_MUSB_TUSB6010) || defined(CONFIG_USB_MUSB_OMAP2PLUS) \
- || defined(CONFIG_USB_MUSB_AM35X)
-static ushort __devinitdata fifo_mode = 4;
-#else
-static ushort __devinitdata fifo_mode = 2;
-#endif
+static short __devinitdata fifo_mode = -1;
/* "modprobe ... fifo_mode=1" etc */
-module_param(fifo_mode, ushort, 0);
+module_param(fifo_mode, short, 0);
MODULE_PARM_DESC(fifo_mode, "initial endpoint configuration");
/*
@@ -1990,6 +1985,8 @@ bad_config:
musb->board_set_power = plat->set_power;
musb->min_power = plat->min_power;
musb->ops = plat->platform_ops;
+ if (fifo_mode == -1)
+ fifo_mode = musb->ops->fifo_mode;
/* The musb_platform_init() call:
* - adjusts musb->mregs and musb->isr if needed,
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index bfbd72e..6667fa2 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -255,6 +255,7 @@ enum musb_g_ep0_state {
/**
* struct musb_platform_ops - Operations passed to musb_core by HW glue layer
+ * @fifo_mode: which fifo_mode is taken by me
* @init: turns on clocks, sets up platform-specific registers, etc
* @exit: undoes @init
* @set_mode: forcefully changes operating mode
@@ -266,6 +267,7 @@ enum musb_g_ep0_state {
* @write_fifo: write data into musb fifo in PIO
*/
struct musb_platform_ops {
+ short fifo_mode;
int (*init)(struct musb *musb);
int (*exit)(struct musb *musb);
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index 09a9d57..f3a2d48 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -283,6 +283,7 @@ static int omap2430_musb_exit(struct musb *musb)
}
static const struct musb_platform_ops omap2430_ops = {
+ .fifo_mode = 4,
.init = omap2430_musb_init,
.exit = omap2430_musb_exit,
diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c
index 3427298..926c6b4 100644
--- a/drivers/usb/musb/tusb6010.c
+++ b/drivers/usb/musb/tusb6010.c
@@ -1164,6 +1164,7 @@ static int tusb_musb_exit(struct musb *musb)
}
static const struct musb_platform_ops tusb_ops = {
+ .fifo_mode = 4,
.init = tusb_musb_init,
.exit = tusb_musb_exit,
--
1.7.3
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